diff options
Diffstat (limited to 'xlators/cluster/stripe')
| -rw-r--r-- | xlators/cluster/stripe/src/Makefile.am | 2 | ||||
| -rw-r--r-- | xlators/cluster/stripe/src/stripe.c | 5253 | ||||
| -rw-r--r-- | xlators/cluster/stripe/src/stripe.h | 125 |
3 files changed, 2759 insertions, 2621 deletions
diff --git a/xlators/cluster/stripe/src/Makefile.am b/xlators/cluster/stripe/src/Makefile.am index 60e0a156876..180d0da1f3c 100644 --- a/xlators/cluster/stripe/src/Makefile.am +++ b/xlators/cluster/stripe/src/Makefile.am @@ -7,6 +7,8 @@ stripe_la_LDFLAGS = -module -avoidversion stripe_la_SOURCES = stripe.c stripe_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la +noinst_HEADERS = stripe.h + AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS)\ -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) diff --git a/xlators/cluster/stripe/src/stripe.c b/xlators/cluster/stripe/src/stripe.c index b9df7a80e1c..11d6172f9da 100644 --- a/xlators/cluster/stripe/src/stripe.c +++ b/xlators/cluster/stripe/src/stripe.c @@ -33,141 +33,39 @@ * backup copy. */ -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "xlator.h" -#include "logging.h" -#include "defaults.h" -#include "compat.h" -#include "compat-errno.h" -#include <fnmatch.h> -#include <signal.h> - -#define STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR(_loc) do { \ - if (!(_loc && _loc->inode)) { \ - STACK_UNWIND (frame, -1, EINVAL, NULL, NULL, NULL); \ - return 0; \ - } \ -} while(0) - -/** - * struct stripe_options : This keeps the pattern and the block-size - * information, which is used for striping on a file. - */ -struct stripe_options { - struct stripe_options *next; - char path_pattern[256]; - uint64_t block_size; -}; - -/** - * Private structure for stripe translator - */ -struct stripe_private { - struct stripe_options *pattern; - xlator_t **xl_array; - uint64_t block_size; - gf_lock_t lock; - uint8_t nodes_down; - int8_t first_child_down; - int8_t child_count; - int8_t state[256]; /* Current state of the child node, - 0 for down, 1 for up */ - gf_boolean_t xattr_supported; /* 0 for no, 1 for yes, default yes */ -}; - -/** - * Used to keep info about the replies received from fops->readv calls - */ -struct readv_replies { - struct iovec *vector; - int32_t count; //count of vector - int32_t op_ret; //op_ret of readv - int32_t op_errno; - struct stat stbuf; /* 'stbuf' is also a part of reply */ -}; - -/** - * Local structure to be passed with all the frames in case of STACK_WIND +/* TODO: + * 1. Implement basic self-heal ability to manage the basic backend + * layout missmatch. + * */ -struct stripe_local; /* this itself is used inside the structure; */ - -struct stripe_local { - struct stripe_local *next; - call_frame_t *orig_frame; - - /* Used by _cbk functions */ - struct stat stbuf; - struct readv_replies *replies; - struct statvfs statvfs_buf; - dir_entry_t *entry; - struct xlator_stats stats; - - int8_t revalidate; - int8_t failed; - int8_t unwind; - - int32_t node_index; - int32_t call_count; - int32_t wind_count; /* used instead of child_cound - in case of read and write */ - int32_t op_ret; - int32_t op_errno; - int32_t count; - int32_t flags; - char *name; - inode_t *inode; - - loc_t loc; - loc_t loc2; - - /* For File I/O fops */ - dict_t *dict; - - /* General usage */ - off_t offset; - off_t stripe_size; - - int8_t *list; - struct flock lock; - fd_t *fd; - void *value; - struct iobref *iobref; -}; -typedef struct stripe_local stripe_local_t; -typedef struct stripe_private stripe_private_t; +#include "stripe.h" /** * stripe_get_matching_bs - Get the matching block size for the given path. */ int32_t -stripe_get_matching_bs (const char *path, - struct stripe_options *opts, - uint64_t default_bs) +stripe_get_matching_bs (const char *path, struct stripe_options *opts, + uint64_t default_bs) { - struct stripe_options *trav = NULL; - char *pathname = NULL; - uint64_t block_size = 0; + struct stripe_options *trav = NULL; + char *pathname = NULL; + uint64_t block_size = 0; - block_size = default_bs; - pathname = strdup (path); - trav = opts; + block_size = default_bs; + pathname = strdup (path); + trav = opts; - while (trav) { - if (fnmatch (trav->path_pattern, - pathname, FNM_NOESCAPE) == 0) { - block_size = trav->block_size; - break; - } - trav = trav->next; - } - free (pathname); - - return block_size; + while (trav) { + if (!fnmatch (trav->path_pattern, pathname, FNM_NOESCAPE)) { + block_size = trav->block_size; + break; + } + trav = trav->next; + } + free (pathname); + + return block_size; } @@ -175,14 +73,11 @@ stripe_get_matching_bs (const char *path, * stripe_common_cbk - */ int32_t -stripe_common_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) +stripe_common_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno) { - STACK_UNWIND (frame, op_ret, op_errno); - return 0; + STACK_UNWIND (frame, op_ret, op_errno); + return 0; } /** @@ -192,57 +87,52 @@ stripe_common_cbk (call_frame_t *frame, * */ int32_t -stripe_stack_unwind_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_errno = op_errno; - if (op_errno == ENOTCONN) - local->failed = 1; - } - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->loc.path) - loc_wipe (&local->loc); - if (local->loc2.path) - loc_wipe (&local->loc2); - - STACK_UNWIND (frame, local->op_ret, local->op_errno); - } - return 0; +stripe_stack_unwind_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_errno = op_errno; + if (op_errno == ENOTCONN) + local->failed = 1; + } + if (op_ret >= 0) + local->op_ret = op_ret; + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + + if (local->loc.path) + loc_wipe (&local->loc); + if (local->loc2.path) + loc_wipe (&local->loc2); + + STACK_UNWIND (frame, local->op_ret, local->op_errno); + } + return 0; } int32_t -stripe_common_buf_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct stat *buf) +stripe_common_buf_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct stat *buf) { - STACK_UNWIND (frame, op_ret, op_errno, buf); - return 0; + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; } /** @@ -254,85 +144,80 @@ stripe_common_buf_cbk (call_frame_t *frame, * @cookie - this argument should be always 'xlator_t *' of child node */ int32_t -stripe_stack_unwind_buf_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct stat *buf) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_errno = op_errno; - if (op_errno == ENOTCONN) - local->failed = 1; - } +stripe_stack_unwind_buf_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, + struct stat *buf) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_errno = op_errno; + if (op_errno == ENOTCONN) + local->failed = 1; + } - if (op_ret == 0) { - local->op_ret = 0; - if (local->stbuf.st_blksize == 0) { - local->stbuf = *buf; - /* Because st_blocks gets added again */ - local->stbuf.st_blocks = 0; - } - - if (FIRST_CHILD(this) == - ((call_frame_t *)cookie)->this) { - /* Always, pass the inode number of - first child to the above layer */ - local->stbuf.st_ino = buf->st_ino; - local->stbuf.st_mtime = buf->st_mtime; - } - - local->stbuf.st_blocks += buf->st_blocks; - if (local->stbuf.st_size < buf->st_size) - local->stbuf.st_size = buf->st_size; - if (local->stbuf.st_blksize != buf->st_blksize) { - /* TODO: add to blocks in terms of - original block size */ - } - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->loc.path) - loc_wipe (&local->loc); - if (local->loc2.path) - loc_wipe (&local->loc2); - - STACK_UNWIND (frame, local->op_ret, local->op_errno, - &local->stbuf); - } - - return 0; + if (op_ret == 0) { + local->op_ret = 0; + if (local->stbuf.st_blksize == 0) { + local->stbuf = *buf; + /* Because st_blocks gets added again */ + local->stbuf.st_blocks = 0; + } + + if (FIRST_CHILD(this) == + ((call_frame_t *)cookie)->this) { + /* Always, pass the inode number of + first child to the above layer */ + local->stbuf.st_ino = buf->st_ino; + local->stbuf.st_mtime = buf->st_mtime; + } + + local->stbuf.st_blocks += buf->st_blocks; + if (local->stbuf.st_size < buf->st_size) + local->stbuf.st_size = buf->st_size; + if (local->stbuf.st_blksize != buf->st_blksize) { + /* TODO: add to blocks in terms of + original block size */ + } + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + + if (local->loc.path) + loc_wipe (&local->loc); + if (local->loc2.path) + loc_wipe (&local->loc2); + + STACK_UNWIND (frame, local->op_ret, local->op_errno, + &local->stbuf); + } + + return 0; } /* In case of symlink, mknod, the file is created on just first node */ int32_t -stripe_common_inode_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - inode_t *inode, - struct stat *buf) +stripe_common_inode_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct stat *buf) { - STACK_UNWIND (frame, op_ret, op_errno, inode, buf); - return 0; + STACK_UNWIND (frame, op_ret, op_errno, inode, buf); + return 0; } /** @@ -344,142 +229,152 @@ stripe_common_inode_cbk (call_frame_t *frame, * */ int32_t -stripe_stack_unwind_inode_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - inode_t *inode, - struct stat *buf) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; +stripe_stack_unwind_inode_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, + int32_t op_errno, inode_t *inode, + struct stat *buf) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_errno = op_errno; - if (op_errno == ENOTCONN) - local->failed = 1; - } + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_errno = op_errno; + if (op_errno == ENOTCONN) + local->failed = 1; + } - if (op_ret >= 0) { - local->op_ret = 0; - - if (local->stbuf.st_blksize == 0) { - local->inode = inode; - local->stbuf = *buf; - /* Because st_blocks gets added again */ - local->stbuf.st_blocks = 0; - } - if (FIRST_CHILD(this) == - ((call_frame_t *)cookie)->this) { - local->stbuf.st_ino = buf->st_ino; - local->stbuf.st_mtime = buf->st_mtime; - } - - local->stbuf.st_blocks += buf->st_blocks; - if (local->stbuf.st_size < buf->st_size) - local->stbuf.st_size = buf->st_size; - if (local->stbuf.st_blksize != buf->st_blksize) { - /* TODO: add to blocks in terms of - original block size */ - } - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf); - } - - return 0; + if (op_ret >= 0) { + local->op_ret = 0; + + if (local->stbuf.st_blksize == 0) { + local->inode = inode; + local->stbuf = *buf; + /* Because st_blocks gets added again */ + local->stbuf.st_blocks = 0; + } + if (FIRST_CHILD(this) == + ((call_frame_t *)cookie)->this) { + local->stbuf.st_ino = buf->st_ino; + local->stbuf.st_mtime = buf->st_mtime; + } + + local->stbuf.st_blocks += buf->st_blocks; + if (local->stbuf.st_size < buf->st_size) + local->stbuf.st_size = buf->st_size; + if (local->stbuf.st_blksize != buf->st_blksize) { + /* TODO: add to blocks in terms of + original block size */ + } + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->inode, &local->stbuf); + } + + return 0; } int32_t -stripe_stack_unwind_inode_lookup_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - inode_t *inode, - struct stat *buf, - dict_t *dict) -{ - int32_t callcnt = 0; - dict_t *tmp_dict = NULL; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; +stripe_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct stat *buf, dict_t *dict) +{ + int32_t callcnt = 0; + dict_t *tmp_dict = NULL; + inode_t *tmp_inode = NULL; + stripe_local_t *local = NULL; + call_frame_t *prev = NULL; + + prev = cookie; + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - if (op_errno != ENOENT) - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); + if (op_ret == -1) { + if (op_errno != ENOENT) + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + prev->this->name, + strerror (op_errno)); if (local->op_errno != ESTALE) local->op_errno = op_errno; - if ((op_errno == ENOTCONN) - || (op_errno == ESTALE)) - local->failed = 1; - } + if ((op_errno == ENOTCONN) || (op_errno == ESTALE)) + local->failed = 1; + /* TODO: bring in self-heal ability */ + /* + * if (local->op_ret == 0) { + * if (S_ISREG (local->stbuf.st_mode) || + * S_ISDIR (local->stbuf.st_mode)) + * local->entry_self_heal_needed = 1; + * } + */ + } - if (op_ret >= 0) { - local->op_ret = 0; - - if (local->stbuf.st_blksize == 0) { - local->inode = inode; - local->stbuf = *buf; - /* Because st_blocks gets added again */ - local->stbuf.st_blocks = 0; - } - if (FIRST_CHILD(this) == - ((call_frame_t *)cookie)->this) { - local->stbuf.st_ino = buf->st_ino; - local->stbuf.st_mtime = buf->st_mtime; - if (local->dict) - dict_unref (local->dict); - local->dict = dict_ref (dict); - } else { - if (!local->dict) - local->dict = dict_ref (dict); - } - local->stbuf.st_blocks += buf->st_blocks; - if (local->stbuf.st_size < buf->st_size) - local->stbuf.st_size = buf->st_size; - if (local->stbuf.st_blksize != buf->st_blksize) { - /* TODO: add to blocks in terms of - original block size */ - } - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - tmp_dict = local->dict; - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, local->dict); - if (tmp_dict) - dict_unref (tmp_dict); - } - - return 0; + if (op_ret >= 0) { + local->op_ret = 0; + + if (local->stbuf.st_blksize == 0) { + local->inode = inode_ref (inode); + local->stbuf = *buf; + /* Because st_blocks gets added again */ + local->stbuf.st_blocks = 0; + } + if (FIRST_CHILD(this) == prev->this) { + local->stbuf.st_ino = buf->st_ino; + local->stbuf.st_mtime = buf->st_mtime; + if (local->dict) + dict_unref (local->dict); + local->dict = dict_ref (dict); + } else { + if (!local->dict) + local->dict = dict_ref (dict); + } + local->stbuf.st_blocks += buf->st_blocks; + if (local->stbuf.st_size < buf->st_size) + local->stbuf.st_size = buf->st_size; + if (local->stbuf.st_blksize != buf->st_blksize) { + /* TODO: add to blocks in terms of + original block size */ + } + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + + tmp_dict = local->dict; + tmp_inode = local->inode; + + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->inode, &local->stbuf, local->dict); + + if (tmp_inode) + inode_unref (tmp_inode); + if (tmp_dict) + dict_unref (tmp_dict); + } + + return 0; } @@ -487,104 +382,118 @@ stripe_stack_unwind_inode_lookup_cbk (call_frame_t *frame, * stripe_lookup - */ int32_t -stripe_lookup (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - dict_t *xattr_req) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - stripe_private_t *priv = this->private; - char send_lookup_to_all = 0; - - if (!(loc && loc->inode)) { - gf_log (this->name, GF_LOG_ERROR, - "wrong argument, returning EINVAL"); - STACK_UNWIND (frame, -1, EINVAL, NULL, NULL, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - - if ((!loc->inode->st_mode) || - S_ISDIR (loc->inode->st_mode) || - S_ISREG (loc->inode->st_mode)) - send_lookup_to_all = 1; - - if (send_lookup_to_all) { - /* Everytime in stripe lookup, all child nodes - should be looked up */ - local->call_count = priv->child_count; - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_inode_lookup_cbk, - trav->xlator, - trav->xlator->fops->lookup, - loc, xattr_req); - trav = trav->next; - } - } else { - local->call_count = 1; - - STACK_WIND (frame, - stripe_stack_unwind_inode_lookup_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->lookup, - loc, xattr_req); - } +stripe_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xattr_req) +{ + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + char send_lookup_to_all = 0; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + + if ((!loc->inode->st_mode) || S_ISDIR (loc->inode->st_mode) || + S_ISREG (loc->inode->st_mode)) { + send_lookup_to_all = 1; + } + + if (send_lookup_to_all) { + /* Everytime in stripe lookup, all child nodes + should be looked up */ + local->call_count = priv->child_count; + while (trav) { + STACK_WIND (frame, stripe_lookup_cbk, trav->xlator, + trav->xlator->fops->lookup, + loc, xattr_req); + trav = trav->next; + } + } else { + local->call_count = 1; + + STACK_WIND (frame, stripe_lookup_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->lookup, + loc, xattr_req); + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL, NULL); + return 0; } /** * stripe_stat - */ int32_t -stripe_stat (call_frame_t *frame, - xlator_t *this, - loc_t *loc) +stripe_stat (call_frame_t *frame, xlator_t *this, loc_t *loc) { - int send_lookup_to_all = 0; - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) - send_lookup_to_all = 1; - - if (!send_lookup_to_all) { - STACK_WIND (frame, - stripe_common_buf_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->stat, - loc); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = loc->inode; - local->call_count = priv->child_count; + int send_lookup_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) + send_lookup_to_all = 1; + + if (!send_lookup_to_all) { + STACK_WIND (frame, stripe_common_buf_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->stat, loc); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = loc->inode; + local->call_count = priv->child_count; - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->stat, - loc); - trav = trav->next; - } - } - return 0; + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, + trav->xlator, trav->xlator->fops->stat, + loc); + trav = trav->next; + } + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -592,54 +501,57 @@ stripe_stat (call_frame_t *frame, * stripe_chmod - */ int32_t -stripe_chmod (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode) -{ - int send_fop_to_all = 0; - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } - - if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) - send_fop_to_all = 1; - - if (!send_fop_to_all) { - STACK_WIND (frame, - stripe_common_buf_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->chmod, - loc, mode); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = loc->inode; - local->call_count = priv->child_count; - - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->chmod, - loc, mode); - trav = trav->next; - } - } - return 0; +stripe_chmod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode) +{ + int send_fop_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) + send_fop_to_all = 1; + + if (!send_fop_to_all) { + STACK_WIND (frame, stripe_common_buf_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->chmod, loc, mode); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = loc->inode; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, + trav->xlator, trav->xlator->fops->chmod, + loc, mode); + trav = trav->next; + } + } + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -647,57 +559,59 @@ stripe_chmod (call_frame_t *frame, * stripe_chown - */ int32_t -stripe_chown (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - uid_t uid, - gid_t gid) -{ - int send_fop_to_all = 0; - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } - - if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) - send_fop_to_all = 1; - - trav = this->children; - if (!send_fop_to_all) { - STACK_WIND (frame, - stripe_common_buf_cbk, - trav->xlator, - trav->xlator->fops->chown, - loc, uid, gid); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = loc->inode; - local->call_count = priv->child_count; - - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->chown, - loc, uid, gid); - trav = trav->next; - } - } - - return 0; +stripe_chown (call_frame_t *frame, xlator_t *this, loc_t *loc, uid_t uid, + gid_t gid) +{ + int send_fop_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) + send_fop_to_all = 1; + + if (!send_fop_to_all) { + STACK_WIND (frame, stripe_common_buf_cbk, trav->xlator, + trav->xlator->fops->chown, loc, uid, gid); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = loc->inode; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, + trav->xlator, trav->xlator->fops->chown, + loc, uid, gid); + trav = trav->next; + } + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -705,46 +619,45 @@ stripe_chown (call_frame_t *frame, * stripe_statfs_cbk - */ int32_t -stripe_statfs_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct statvfs *stbuf) -{ - stripe_local_t *local = (stripe_local_t *)frame->local; - int32_t callcnt; - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret != 0 && op_errno != ENOTCONN) { - local->op_errno = op_errno; - } - if (op_ret == 0) { - struct statvfs *dict_buf = &local->statvfs_buf; - dict_buf->f_bsize = stbuf->f_bsize; - dict_buf->f_frsize = stbuf->f_frsize; - dict_buf->f_blocks += stbuf->f_blocks; - dict_buf->f_bfree += stbuf->f_bfree; - dict_buf->f_bavail += stbuf->f_bavail; - dict_buf->f_files += stbuf->f_files; - dict_buf->f_ffree += stbuf->f_ffree; - dict_buf->f_favail += stbuf->f_favail; - dict_buf->f_fsid = stbuf->f_fsid; - dict_buf->f_flag = stbuf->f_flag; - dict_buf->f_namemax = stbuf->f_namemax; - local->op_ret = 0; - } - } - UNLOCK (&frame->lock); +stripe_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct statvfs *stbuf) +{ + stripe_local_t *local = NULL; + int32_t callcnt = 0; + + local = frame->local; + + LOCK(&frame->lock); + { + callcnt = --local->call_count; + + if (op_ret && (op_errno != ENOTCONN)) { + local->op_errno = op_errno; + } + if (op_ret == 0) { + struct statvfs *dict_buf = &local->statvfs_buf; + dict_buf->f_bsize = stbuf->f_bsize; + dict_buf->f_frsize = stbuf->f_frsize; + dict_buf->f_blocks += stbuf->f_blocks; + dict_buf->f_bfree += stbuf->f_bfree; + dict_buf->f_bavail += stbuf->f_bavail; + dict_buf->f_files += stbuf->f_files; + dict_buf->f_ffree += stbuf->f_ffree; + dict_buf->f_favail += stbuf->f_favail; + dict_buf->f_fsid = stbuf->f_fsid; + dict_buf->f_flag = stbuf->f_flag; + dict_buf->f_namemax = stbuf->f_namemax; + local->op_ret = 0; + } + } + UNLOCK (&frame->lock); - if (!callcnt) { - STACK_UNWIND (frame, local->op_ret, - local->op_errno, &local->statvfs_buf); - } + if (!callcnt) { + STACK_UNWIND (frame, local->op_ret, + local->op_errno, &local->statvfs_buf); + } - return 0; + return 0; } @@ -752,31 +665,37 @@ stripe_statfs_cbk (call_frame_t *frame, * stripe_statfs - */ int32_t -stripe_statfs (call_frame_t *frame, - xlator_t *this, - loc_t *loc) +stripe_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc) { - stripe_local_t *local = NULL; - xlator_list_t *trav = this->children; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - local->op_errno = ENOTCONN; - frame->local = local; + trav = this->children; + priv = this->private; - local->call_count = ((stripe_private_t *)this->private)->child_count; - while (trav) { - STACK_WIND (frame, - stripe_statfs_cbk, - trav->xlator, - trav->xlator->fops->statfs, - loc); - trav = trav->next; - } + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + local->op_errno = ENOTCONN; + frame->local = local; + + local->call_count = priv->child_count; + while (trav) { + STACK_WIND (frame, stripe_statfs_cbk, trav->xlator, + trav->xlator->fops->statfs, loc); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -784,56 +703,58 @@ stripe_statfs (call_frame_t *frame, * stripe_truncate - */ int32_t -stripe_truncate (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - off_t offset) -{ - int send_fop_to_all = 0; - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } - - if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) - send_fop_to_all = 1; - - if (!send_fop_to_all) { - STACK_WIND (frame, - stripe_common_buf_cbk, - trav->xlator, - trav->xlator->fops->truncate, - loc, - offset); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = loc->inode; - local->call_count = priv->child_count; +stripe_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset) +{ + int send_fop_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) + send_fop_to_all = 1; + + if (!send_fop_to_all) { + STACK_WIND (frame, stripe_common_buf_cbk, trav->xlator, + trav->xlator->fops->truncate, loc, offset); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = loc->inode; + local->call_count = priv->child_count; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->truncate, - loc, - offset); - trav = trav->next; - } - } + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, + trav->xlator, trav->xlator->fops->truncate, + loc, offset); + trav = trav->next; + } + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -841,130 +762,142 @@ stripe_truncate (call_frame_t *frame, * stripe_utimens - */ int32_t -stripe_utimens (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - struct timespec tv[2]) -{ - int send_fop_to_all = 0; - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } - - if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) - send_fop_to_all = 1; - - if (!send_fop_to_all) { - STACK_WIND (frame, - stripe_common_buf_cbk, - trav->xlator, - trav->xlator->fops->utimens, - loc, tv); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = loc->inode; - local->call_count = priv->child_count; +stripe_utimens (call_frame_t *frame, xlator_t *this, loc_t *loc, + struct timespec tv[2]) +{ + int send_fop_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) + send_fop_to_all = 1; + + if (!send_fop_to_all) { + STACK_WIND (frame, stripe_common_buf_cbk, trav->xlator, + trav->xlator->fops->utimens, loc, tv); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = loc->inode; + local->call_count = priv->child_count; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->utimens, - loc, tv); - trav = trav->next; - } - } - return 0; + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, + trav->xlator, trav->xlator->fops->utimens, + loc, tv); + trav = trav->next; + } + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } int32_t -stripe_first_rename_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct stat *buf) -{ - stripe_local_t *local = frame->local; - xlator_list_t *trav = this->children; - - if (op_ret == -1) - { - STACK_UNWIND (frame, op_ret, op_errno, buf); - return 0; - } - - local->op_ret = 0; - local->stbuf = *buf; - local->call_count--; - trav = trav->next; /* Skip first child */ - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->rename, - &local->loc, &local->loc2); - trav = trav->next; - } - - return 0; +stripe_first_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct stat *buf) +{ + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + + if (op_ret == -1) { + goto unwind; + } + + local = frame->local; + trav = this->children; + + local->op_ret = 0; + local->stbuf = *buf; + local->call_count--; + trav = trav->next; /* Skip first child */ + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, + trav->xlator, trav->xlator->fops->rename, + &local->loc, &local->loc2); + trav = trav->next; + } + return 0; + + unwind: + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; } /** * stripe_rename - */ int32_t -stripe_rename (call_frame_t *frame, - xlator_t *this, - loc_t *oldloc, - loc_t *newloc) -{ - stripe_private_t *priv = this->private; - stripe_local_t *local = NULL; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (oldloc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, EIO, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - local->inode = oldloc->inode; - loc_copy (&local->loc, oldloc); - loc_copy (&local->loc2, newloc); - - local->call_count = priv->child_count; +stripe_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, + loc_t *newloc) +{ + stripe_private_t *priv = NULL; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (oldloc, err); + VALIDATE_OR_GOTO (oldloc->path, err); + VALIDATE_OR_GOTO (oldloc->inode, err); + VALIDATE_OR_GOTO (newloc, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + local->inode = oldloc->inode; + loc_copy (&local->loc, oldloc); + loc_copy (&local->loc2, newloc); + + local->call_count = priv->child_count; - frame->local = local; + frame->local = local; - STACK_WIND (frame, - stripe_first_rename_cbk, - trav->xlator, - trav->xlator->fops->rename, - oldloc, newloc); + STACK_WIND (frame, stripe_first_rename_cbk, trav->xlator, + trav->xlator->fops->rename, oldloc, newloc); - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -972,20 +905,23 @@ stripe_rename (call_frame_t *frame, * stripe_access - */ int32_t -stripe_access (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t mask) +stripe_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask) { - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); - STACK_WIND (frame, - stripe_common_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->access, - loc, mask); + STACK_WIND (frame, stripe_common_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->access, loc, mask); - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } @@ -993,16 +929,11 @@ stripe_access (call_frame_t *frame, * stripe_readlink_cbk - */ int32_t -stripe_readlink_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - const char *path) +stripe_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, const char *path) { - STACK_UNWIND (frame, op_ret, op_errno, path); - - return 0; + STACK_UNWIND (frame, op_ret, op_errno, path); + return 0; } @@ -1010,29 +941,23 @@ stripe_readlink_cbk (call_frame_t *frame, * stripe_readlink - */ int32_t -stripe_readlink (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - size_t size) +stripe_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size) { - stripe_private_t *priv = this->private; + int32_t op_errno = 1; - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } + STACK_WIND (frame, stripe_readlink_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->readlink, loc, size); - STACK_WIND (frame, - stripe_readlink_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->readlink, - loc, size); - - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -1040,123 +965,131 @@ stripe_readlink (call_frame_t *frame, * stripe_unlink - */ int32_t -stripe_unlink (call_frame_t *frame, - xlator_t *this, - loc_t *loc) -{ - int send_fop_to_all = 0; - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO); - return 0; - } +stripe_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc) +{ + int send_fop_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } - if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) - send_fop_to_all = 1; - - if (!send_fop_to_all) { - STACK_WIND (frame, - stripe_common_cbk, - trav->xlator, - trav->xlator->fops->unlink, - loc); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; + if (S_ISDIR (loc->inode->st_mode) || S_ISREG (loc->inode->st_mode)) + send_fop_to_all = 1; + + if (!send_fop_to_all) { + STACK_WIND (frame, stripe_common_cbk, trav->xlator, + trav->xlator->fops->unlink, loc); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->call_count = priv->child_count; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_cbk, - trav->xlator, - trav->xlator->fops->unlink, - loc); - trav = trav->next; - } - } + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_cbk, + trav->xlator, trav->xlator->fops->unlink, + loc); + trav = trav->next; + } + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } int32_t -stripe_first_rmdir_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) +stripe_first_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno) { - xlator_list_t *trav = this->children; - stripe_local_t *local = frame->local; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + + if (op_ret == -1) { + STACK_UNWIND (frame, op_ret, op_errno); + return 0; + } - if (op_ret == -1) - { - STACK_UNWIND (frame, op_ret, op_errno); - return 0; - } + trav = this->children; + local = frame->local; - local->call_count--; /* First child successful */ - trav = trav->next; /* Skip first child */ + local->call_count--; /* First child successful */ + trav = trav->next; /* Skip first child */ - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_cbk, - trav->xlator, - trav->xlator->fops->rmdir, - &local->loc); - trav = trav->next; - } + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator, + trav->xlator->fops->rmdir, &local->loc); + trav = trav->next; + } - return 0; + return 0; } /** * stripe_rmdir - */ int32_t -stripe_rmdir (call_frame_t *frame, - xlator_t *this, - loc_t *loc) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = this->children; - stripe_private_t *priv = this->private; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = loc->inode; - loc_copy (&local->loc, loc); - local->call_count = priv->child_count; +stripe_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc) +{ + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = loc->inode; + loc_copy (&local->loc, loc); + local->call_count = priv->child_count; - STACK_WIND (frame, - stripe_first_rmdir_cbk, - trav->xlator, - trav->xlator->fops->rmdir, - loc); + STACK_WIND (frame, stripe_first_rmdir_cbk, trav->xlator, + trav->xlator->fops->rmdir, loc); - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } @@ -1164,218 +1097,217 @@ stripe_rmdir (call_frame_t *frame, * stripe_setxattr - */ int32_t -stripe_setxattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - dict_t *dict, - int32_t flags) +stripe_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *dict, int32_t flags) { - stripe_private_t *priv = this->private; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN); - return 0; - } + priv = this->private; - STACK_WIND (frame, - stripe_common_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->setxattr, - loc, dict, flags); + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + STACK_WIND (frame, stripe_common_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->setxattr, loc, dict, flags); - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } int32_t -stripe_mknod_ifreg_fail_unlink_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) +stripe_mknod_ifreg_fail_unlink_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, + int32_t op_errno) { - int32_t callcnt = 0; - stripe_local_t *local = frame->local; + int32_t callcnt = 0; + stripe_local_t *local = NULL; - LOCK (&frame->lock); - { - callcnt = --local->call_count; - } - UNLOCK (&frame->lock); + local = frame->local; - if (!callcnt) { - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf); - } + LOCK (&frame->lock); + { + callcnt = --local->call_count; + } + UNLOCK (&frame->lock); - return 0; + if (!callcnt) { + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->inode, &local->stbuf); + } + + return 0; } /** */ int32_t -stripe_mknod_ifreg_setxattr_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; +stripe_mknod_ifreg_setxattr_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, + int32_t op_errno) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->op_ret == -1) { - local->call_count = priv->child_count; - while (trav) { - STACK_WIND (frame, - stripe_mknod_ifreg_fail_unlink_cbk, - trav->xlator, - trav->xlator->fops->unlink, - &local->loc); - trav = trav->next; - } - return 0; - } - - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf); - } - return 0; + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_ret = -1; + local->op_errno = op_errno; + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->op_ret == -1) { + local->call_count = priv->child_count; + while (trav) { + STACK_WIND (frame, + stripe_mknod_ifreg_fail_unlink_cbk, + trav->xlator, + trav->xlator->fops->unlink, + &local->loc); + trav = trav->next; + } + return 0; + } + + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->inode, &local->stbuf); + } + return 0; } /** */ int32_t -stripe_mknod_ifreg_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - inode_t *inode, - struct stat *buf) -{ - int ret = 0; - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - stripe_private_t *priv = this->private; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; +stripe_mknod_ifreg_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct stat *buf) +{ + int ret = 0; + int32_t callcnt = 0; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->failed = 1; - local->op_errno = op_errno; - } + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->failed = 1; + local->op_errno = op_errno; + } - if (op_ret >= 0) { - local->op_ret = op_ret; - /* Get the mapping in inode private */ - /* Get the stat buf right */ - if (local->stbuf.st_blksize == 0) { - local->stbuf = *buf; - /* Because st_blocks gets added again */ - local->stbuf.st_blocks = 0; - } - - /* Always, pass the inode number of first child - to the above layer */ - if (FIRST_CHILD(this) == - ((call_frame_t *)cookie)->this) - local->stbuf.st_ino = buf->st_ino; + if (op_ret >= 0) { + local->op_ret = op_ret; + /* Get the mapping in inode private */ + /* Get the stat buf right */ + if (local->stbuf.st_blksize == 0) { + local->stbuf = *buf; + /* Because st_blocks gets added again */ + local->stbuf.st_blocks = 0; + } + + /* Always, pass the inode number of first child + to the above layer */ + if (FIRST_CHILD(this) == + ((call_frame_t *)cookie)->this) + local->stbuf.st_ino = buf->st_ino; - local->stbuf.st_blocks += buf->st_blocks; - if (local->stbuf.st_size < buf->st_size) - local->stbuf.st_size = buf->st_size; - if (local->stbuf.st_blksize != buf->st_blksize) { - /* TODO: add to blocks in terms of - original block size */ - } - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if ((local->op_ret != -1) && priv->xattr_supported) { - /* Send a setxattr request to nodes where the - files are created */ - int32_t index = 0; - char size_key[256] = {0,}; - char index_key[256] = {0,}; - char count_key[256] = {0,}; - xlator_list_t *trav = this->children; - dict_t *dict = NULL; - - sprintf (size_key, - "trusted.%s.stripe-size", this->name); - sprintf (count_key, - "trusted.%s.stripe-count", this->name); - sprintf (index_key, - "trusted.%s.stripe-index", this->name); - - local->call_count = priv->child_count; - - while (trav) { - dict = get_new_dict (); - dict_ref (dict); - /* TODO: check return value */ - ret = dict_set_int64 (dict, size_key, - local->stripe_size); - ret = dict_set_int32 (dict, count_key, - local->call_count); - ret = dict_set_int32 (dict, index_key, index); - - STACK_WIND (frame, - stripe_mknod_ifreg_setxattr_cbk, - trav->xlator, - trav->xlator->fops->setxattr, - &local->loc, dict, 0); - - dict_unref (dict); - index++; - trav = trav->next; - } - } else { - /* Create itself has failed.. so return - without setxattring */ - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf); - } - } + local->stbuf.st_blocks += buf->st_blocks; + if (local->stbuf.st_size < buf->st_size) + local->stbuf.st_size = buf->st_size; + if (local->stbuf.st_blksize != buf->st_blksize) { + /* TODO: add to blocks in terms of + original block size */ + } + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + + if ((local->op_ret != -1) && priv->xattr_supported) { + /* Send a setxattr request to nodes where the + files are created */ + int32_t index = 0; + char size_key[256] = {0,}; + char index_key[256] = {0,}; + char count_key[256] = {0,}; + dict_t *dict = NULL; + + trav = this->children; + sprintf (size_key, + "trusted.%s.stripe-size", this->name); + sprintf (count_key, + "trusted.%s.stripe-count", this->name); + sprintf (index_key, + "trusted.%s.stripe-index", this->name); + + local->call_count = priv->child_count; + + while (trav) { + dict = get_new_dict (); + dict_ref (dict); + /* TODO: check return value */ + ret = dict_set_int64 (dict, size_key, + local->stripe_size); + ret = dict_set_int32 (dict, count_key, + local->call_count); + ret = dict_set_int32 (dict, index_key, index); + + STACK_WIND (frame, + stripe_mknod_ifreg_setxattr_cbk, + trav->xlator, + trav->xlator->fops->setxattr, + &local->loc, dict, 0); + + dict_unref (dict); + index++; + trav = trav->next; + } + } else { + /* Create itself has failed.. so return + without setxattring */ + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->inode, &local->stbuf); + } + } - return 0; + return 0; } @@ -1383,73 +1315,78 @@ stripe_mknod_ifreg_cbk (call_frame_t *frame, * stripe_mknod - */ int32_t -stripe_mknod (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode, - dev_t rdev) -{ - stripe_private_t *priv = this->private; - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; +stripe_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, + dev_t rdev) +{ + stripe_private_t *priv = NULL; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, NULL, NULL); - return 0; - } - - if (S_ISREG(mode)) { - /* NOTE: on older kernels (older than 2.6.9), - creat() fops is sent as mknod() + open(). Hence handling - S_IFREG files is necessary */ - if (priv->nodes_down) { - gf_log (this->name, GF_LOG_WARNING, - "Some node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, loc->inode, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - local->op_errno = ENOTCONN; - local->stripe_size = stripe_get_matching_bs (loc->path, - priv->pattern, - priv->block_size); - frame->local = local; - local->inode = loc->inode; - loc_copy (&local->loc, loc); - - /* Everytime in stripe lookup, all child nodes should - be looked up */ - local->call_count = - ((stripe_private_t *)this->private)->child_count; - - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_mknod_ifreg_cbk, - trav->xlator, - trav->xlator->fops->mknod, - loc, mode, rdev); - trav = trav->next; - } - - /* This case is handled, no need to continue further. */ - return 0; - } - - - STACK_WIND (frame, - stripe_common_inode_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->mknod, - loc, mode, rdev); - - return 0; + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + if (S_ISREG(mode)) { + /* NOTE: on older kernels (older than 2.6.9), + creat() fops is sent as mknod() + open(). Hence handling + S_IFREG files is necessary */ + if (priv->nodes_down) { + gf_log (this->name, GF_LOG_WARNING, + "Some node down, returning EIO"); + op_errno = EIO; + goto err; + } + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + local->op_errno = ENOTCONN; + local->stripe_size = stripe_get_matching_bs (loc->path, + priv->pattern, + priv->block_size); + frame->local = local; + local->inode = loc->inode; + loc_copy (&local->loc, loc); + + /* Everytime in stripe lookup, all child nodes should + be looked up */ + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_mknod_ifreg_cbk, + trav->xlator, trav->xlator->fops->mknod, + loc, mode, rdev); + trav = trav->next; + } + + /* This case is handled, no need to continue further. */ + return 0; + } + + + STACK_WIND (frame, stripe_common_inode_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->mknod, + loc, mode, rdev); + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL, NULL); + return 0; } @@ -1457,41 +1394,49 @@ stripe_mknod (call_frame_t *frame, * stripe_mkdir - */ int32_t -stripe_mkdir (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode) -{ - stripe_private_t *priv = this->private; - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; +stripe_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode) +{ + stripe_private_t *priv = NULL; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, NULL, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - local->call_count = priv->child_count; - frame->local = local; - - /* Everytime in stripe lookup, all child nodes should be looked up */ - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_inode_cbk, - trav->xlator, - trav->xlator->fops->mkdir, - loc, mode); - trav = trav->next; - } - - return 0; + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + local->call_count = priv->child_count; + frame->local = local; + + /* Everytime in stripe lookup, all child nodes should be looked up */ + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_inode_cbk, + trav->xlator, trav->xlator->fops->mkdir, + loc, mode); + trav = trav->next; + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL, NULL); + return 0; } @@ -1499,111 +1444,116 @@ stripe_mkdir (call_frame_t *frame, * stripe_symlink - */ int32_t -stripe_symlink (call_frame_t *frame, - xlator_t *this, - const char *linkpath, - loc_t *loc) +stripe_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath, + loc_t *loc) { - stripe_private_t *priv = this->private; + int32_t op_errno = 1; + stripe_private_t *priv = NULL; - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, NULL, NULL); - return 0; - } + priv = this->private; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + /* send symlink to only first node */ + STACK_WIND (frame, stripe_common_inode_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->symlink, linkpath, loc); - /* send symlink to only first node */ - STACK_WIND (frame, - stripe_common_inode_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->symlink, - linkpath, loc); + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL, NULL); - return 0; + return 0; } /** * stripe_link - */ int32_t -stripe_link (call_frame_t *frame, - xlator_t *this, - loc_t *oldloc, - loc_t *newloc) -{ - int send_fop_to_all = 0; - stripe_private_t *priv = this->private; - stripe_local_t *local = NULL; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (oldloc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, NULL, NULL); - return 0; - } - - - if (S_ISREG (oldloc->inode->st_mode)) - send_fop_to_all = 1; - - if (!send_fop_to_all) { - STACK_WIND (frame, - stripe_common_inode_cbk, - trav->xlator, - trav->xlator->fops->link, - oldloc, newloc); - } else { - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - /* Everytime in stripe lookup, all child - nodes should be looked up */ - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_inode_cbk, - trav->xlator, - trav->xlator->fops->link, - oldloc, newloc); - trav = trav->next; - } - } - - return 0; +stripe_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc) +{ + int send_fop_to_all = 0; + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (oldloc, err); + VALIDATE_OR_GOTO (oldloc->path, err); + VALIDATE_OR_GOTO (oldloc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + + if (S_ISREG (oldloc->inode->st_mode)) + send_fop_to_all = 1; + + if (!send_fop_to_all) { + STACK_WIND (frame, stripe_common_inode_cbk, + trav->xlator, trav->xlator->fops->link, + oldloc, newloc); + } else { + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->call_count = priv->child_count; + + /* Everytime in stripe lookup, all child + nodes should be looked up */ + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_inode_cbk, + trav->xlator, trav->xlator->fops->link, + oldloc, newloc); + trav = trav->next; + } + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL, NULL); + return 0; } int32_t -stripe_create_fail_unlink_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) +stripe_create_fail_unlink_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, + int32_t op_errno) { - int32_t callcnt = 0; - fd_t *lfd = NULL; - stripe_local_t *local = frame->local; + int32_t callcnt = 0; + fd_t *lfd = NULL; + stripe_local_t *local = NULL; - LOCK (&frame->lock); - { - callcnt = --local->call_count; - } - UNLOCK (&frame->lock); + local = frame->local; - if (!callcnt) { - lfd = local->fd; - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->fd, local->inode, &local->stbuf); - fd_unref (lfd); - } - return 0; + LOCK (&frame->lock); + { + callcnt = --local->call_count; + } + UNLOCK (&frame->lock); + + if (!callcnt) { + lfd = local->fd; + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->fd, local->inode, &local->stbuf); + fd_unref (lfd); + } + return 0; } @@ -1611,181 +1561,175 @@ stripe_create_fail_unlink_cbk (call_frame_t *frame, * stripe_create_setxattr_cbk - */ int32_t -stripe_create_setxattr_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno) -{ - fd_t *lfd = NULL; - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; +stripe_create_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno) +{ + fd_t *lfd = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t callcnt = 0; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->op_ret == -1) { - local->call_count = priv->child_count; - while (trav) { - STACK_WIND (frame, - stripe_create_fail_unlink_cbk, - trav->xlator, - trav->xlator->fops->unlink, - &local->loc); - trav = trav->next; - } - - return 0; - } - - lfd = local->fd; - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->fd, local->inode, &local->stbuf); - fd_unref (lfd); - } - - return 0; + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_ret = -1; + local->op_errno = op_errno; + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->op_ret == -1) { + local->call_count = priv->child_count; + trav = this->children; + while (trav) { + STACK_WIND (frame, + stripe_create_fail_unlink_cbk, + trav->xlator, + trav->xlator->fops->unlink, + &local->loc); + trav = trav->next; + } + + return 0; + } + + lfd = local->fd; + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->fd, local->inode, &local->stbuf); + fd_unref (lfd); + } + + return 0; } /** * stripe_create_cbk - */ int32_t -stripe_create_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - fd_t *fd, - inode_t *inode, - struct stat *buf) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - stripe_private_t *priv = this->private; - fd_t *lfd = NULL; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; +stripe_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, fd_t *fd, + inode_t *inode, struct stat *buf) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + fd_t *lfd = NULL; + + priv = this->private; + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->failed = 1; - local->op_errno = op_errno; - } + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->failed = 1; + local->op_errno = op_errno; + } - if (op_ret >= 0) { - local->op_ret = op_ret; - /* Get the mapping in inode private */ - /* Get the stat buf right */ - if (local->stbuf.st_blksize == 0) { - local->stbuf = *buf; - /* Because st_blocks gets added again */ - local->stbuf.st_blocks = 0; - } + if (op_ret >= 0) { + local->op_ret = op_ret; + /* Get the mapping in inode private */ + /* Get the stat buf right */ + if (local->stbuf.st_blksize == 0) { + local->stbuf = *buf; + /* Because st_blocks gets added again */ + local->stbuf.st_blocks = 0; + } - /* Always, pass the inode number of first - child to the above layer */ - if (FIRST_CHILD(this) == - ((call_frame_t *)cookie)->this) - local->stbuf.st_ino = buf->st_ino; + /* Always, pass the inode number of first + child to the above layer */ + if (FIRST_CHILD(this) == + ((call_frame_t *)cookie)->this) + local->stbuf.st_ino = buf->st_ino; - local->stbuf.st_blocks += buf->st_blocks; - if (local->stbuf.st_size < buf->st_size) - local->stbuf.st_size = buf->st_size; - if (local->stbuf.st_blksize != buf->st_blksize) { - /* TODO: add to blocks in terms of - original block size */ - } - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret >= 0) { - fd_ctx_set (local->fd, this, local->stripe_size); - } - - if ((local->op_ret != -1) && - local->stripe_size && priv->xattr_supported) { - /* Send a setxattr request to nodes where - the files are created */ - int ret = 0; - int32_t index = 0; - char size_key[256] = {0,}; - char index_key[256] = {0,}; - char count_key[256] = {0,}; - xlator_list_t *trav = this->children; - dict_t *dict = NULL; - - sprintf (size_key, - "trusted.%s.stripe-size", this->name); - sprintf (count_key, - "trusted.%s.stripe-count", this->name); - sprintf (index_key, - "trusted.%s.stripe-index", this->name); - - local->call_count = priv->child_count; - - while (trav) { - dict = get_new_dict (); - dict_ref (dict); - - /* TODO: check return values */ - ret = dict_set_int64 (dict, size_key, - local->stripe_size); - ret = dict_set_int32 (dict, count_key, - local->call_count); - ret = dict_set_int32 (dict, index_key, index); - - STACK_WIND (frame, - stripe_create_setxattr_cbk, - trav->xlator, - trav->xlator->fops->setxattr, - &local->loc, - dict, - 0); - - dict_unref (dict); - index++; - trav = trav->next; - } - } else { - /* Create itself has failed.. so return - without setxattring */ - lfd = local->fd; - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, - local->fd, local->inode, &local->stbuf); + local->stbuf.st_blocks += buf->st_blocks; + if (local->stbuf.st_size < buf->st_size) + local->stbuf.st_size = buf->st_size; + if (local->stbuf.st_blksize != buf->st_blksize) { + /* TODO: add to blocks in terms of + original block size */ + } + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + + if (local->op_ret >= 0) + fd_ctx_set (local->fd, this, local->stripe_size); + + if ((local->op_ret != -1) && + local->stripe_size && priv->xattr_supported) { + /* Send a setxattr request to nodes where + the files are created */ + int ret = 0; + int32_t index = 0; + char size_key[256] = {0,}; + char index_key[256] = {0,}; + char count_key[256] = {0,}; + xlator_list_t *trav = this->children; + dict_t *dict = NULL; + + sprintf (size_key, + "trusted.%s.stripe-size", this->name); + sprintf (count_key, + "trusted.%s.stripe-count", this->name); + sprintf (index_key, + "trusted.%s.stripe-index", this->name); + + local->call_count = priv->child_count; + + while (trav) { + dict = get_new_dict (); + dict_ref (dict); + + /* TODO: check return values */ + ret = dict_set_int64 (dict, size_key, + local->stripe_size); + ret = dict_set_int32 (dict, count_key, + local->call_count); + ret = dict_set_int32 (dict, index_key, index); + + STACK_WIND (frame, stripe_create_setxattr_cbk, + trav->xlator, + trav->xlator->fops->setxattr, + &local->loc, dict, 0); + + dict_unref (dict); + index++; + trav = trav->next; + } + } else { + /* Create itself has failed.. so return + without setxattring */ + lfd = local->fd; + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->fd, local->inode, &local->stbuf); - fd_unref (lfd); - } - } + fd_unref (lfd); + } + } - return 0; + return 0; } @@ -1796,100 +1740,100 @@ stripe_create_cbk (call_frame_t *frame, * @name- complete path of the file to be created. */ int32_t -stripe_create (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t flags, - mode_t mode, - fd_t *fd) -{ - stripe_private_t *priv = this->private; - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - - /* files created in O_APPEND mode does not allow lseek() on fd */ - flags &= ~O_APPEND; - - if (priv->first_child_down || priv->nodes_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, fd, loc->inode, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - local->op_errno = ENOTCONN; - local->stripe_size = stripe_get_matching_bs (loc->path, - priv->pattern, - priv->block_size); - frame->local = local; - local->inode = loc->inode; - loc_copy (&local->loc, loc); - local->fd = fd_ref (fd); - - local->call_count = ((stripe_private_t *)this->private)->child_count; - - trav = this->children; - while (trav) { - STACK_WIND (frame, - stripe_create_cbk, - trav->xlator, - trav->xlator->fops->create, - loc, flags, mode, fd); - trav = trav->next; - } +stripe_create (call_frame_t *frame, xlator_t *this, loc_t *loc, + int32_t flags, mode_t mode, fd_t *fd) +{ + stripe_private_t *priv = NULL; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + priv = this->private; + + /* files created in O_APPEND mode does not allow lseek() on fd */ + flags &= ~O_APPEND; + + if (priv->first_child_down || priv->nodes_down) { + gf_log (this->name, GF_LOG_DEBUG, + "First node down, returning EIO"); + op_errno = EIO; + goto err; + } + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + local->op_errno = ENOTCONN; + local->stripe_size = stripe_get_matching_bs (loc->path, + priv->pattern, + priv->block_size); + frame->local = local; + local->inode = loc->inode; + loc_copy (&local->loc, loc); + local->fd = fd_ref (fd); + + local->call_count = priv->child_count; + + trav = this->children; + while (trav) { + STACK_WIND (frame, stripe_create_cbk, trav->xlator, + trav->xlator->fops->create, loc, flags, mode, fd); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL, NULL, NULL); + return 0; } /** * stripe_open_cbk - */ int32_t -stripe_open_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - fd_t *fd) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - local->failed = 1; - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - } +stripe_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, fd_t *fd) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + + if (op_ret == -1) { + local->failed = 1; + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_ret = -1; + local->op_errno = op_errno; + } - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK (&frame->lock); + if (op_ret >= 0) + local->op_ret = op_ret; + } + UNLOCK (&frame->lock); - if (!callcnt) { - if (local->failed) - local->op_ret = -1; + if (!callcnt) { + if (local->failed) + local->op_ret = -1; - if (local->op_ret >= 0) { - fd_ctx_set (local->fd, this, local->stripe_size); - } - loc_wipe (&local->loc); - STACK_UNWIND (frame, local->op_ret, local->op_errno, fd); - } + if (local->op_ret >= 0) + fd_ctx_set (local->fd, this, local->stripe_size); - return 0; + loc_wipe (&local->loc); + STACK_UNWIND (frame, local->op_ret, local->op_errno, fd); + } + + return 0; } @@ -1897,183 +1841,183 @@ stripe_open_cbk (call_frame_t *frame, * stripe_getxattr_cbk - */ int32_t -stripe_open_getxattr_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - dict_t *dict) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - xlator_list_t *trav = this->children; - stripe_private_t *priv = this->private; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - if (op_errno == ENOTCONN) - local->failed = 1; - } - } - UNLOCK (&frame->lock); +stripe_open_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *dict) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + + priv = this->private; + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_ret = -1; + local->op_errno = op_errno; + if (op_errno == ENOTCONN) + local->failed = 1; + } + } + UNLOCK (&frame->lock); - if (!callcnt) { - if (!local->failed && (local->op_ret != -1)) { - /* If getxattr doesn't fails, call open */ - char size_key[256] = {0,}; - data_t *stripe_size_data = NULL; - - sprintf (size_key, - "trusted.%s.stripe-size", this->name); - stripe_size_data = dict_get (dict, size_key); - - if (stripe_size_data) { - local->stripe_size = - data_to_int64 (stripe_size_data); - /* - if (local->stripe_size != priv->block_size) { - gf_log (this->name, GF_LOG_WARNING, - "file(%s) is having different " - "block-size", local->loc.path); - } - */ - } else { - /* if the file was created using earlier - versions of stripe */ - gf_log (this->name, GF_LOG_CRITICAL, - "[CRITICAL] Seems like file(%s) " - "created using earlier version", - local->loc.path); - } - } + if (!callcnt) { + if (!local->failed && (local->op_ret != -1)) { + /* If getxattr doesn't fails, call open */ + char size_key[256] = {0,}; + data_t *stripe_size_data = NULL; + + sprintf (size_key, + "trusted.%s.stripe-size", this->name); + stripe_size_data = dict_get (dict, size_key); + + if (stripe_size_data) { + local->stripe_size = + data_to_int64 (stripe_size_data); + /* + if (local->stripe_size != priv->block_size) { + gf_log (this->name, GF_LOG_WARNING, + "file(%s) is having different " + "block-size", local->loc.path); + } + */ + } else { + /* if the file was created using earlier + versions of stripe */ + gf_log (this->name, GF_LOG_DEBUG, + "[CRITICAL] Seems like file(%s) " + "created using earlier version", + local->loc.path); + } + } - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_open_cbk, - trav->xlator, - trav->xlator->fops->open, - &local->loc, local->flags, local->fd); - trav = trav->next; - } - } + local->call_count = priv->child_count; + + trav = this->children; + while (trav) { + STACK_WIND (frame, stripe_open_cbk, trav->xlator, + trav->xlator->fops->open, &local->loc, + local->flags, local->fd); + trav = trav->next; + } + } - return 0; + return 0; } /** * stripe_open - */ int32_t -stripe_open (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t flags, - fd_t *fd) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; +stripe_open (call_frame_t *frame, xlator_t *this, loc_t *loc, + int32_t flags, fd_t *fd) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - /* files opened in O_APPEND mode does not allow lseek() on fd */ - flags &= ~O_APPEND; - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->fd = fd; - frame->local = local; - local->inode = loc->inode; - loc_copy (&local->loc, loc); - - /* Striped files */ - local->flags = flags; - local->call_count = priv->child_count; - local->stripe_size = stripe_get_matching_bs (loc->path, - priv->pattern, - priv->block_size); - - if (priv->xattr_supported) { - while (trav) { - STACK_WIND (frame, - stripe_open_getxattr_cbk, - trav->xlator, - trav->xlator->fops->getxattr, - loc, NULL); - trav = trav->next; - } - } else { - while (trav) { - STACK_WIND (frame, - stripe_open_cbk, - trav->xlator, - trav->xlator->fops->open, - &local->loc, local->flags, local->fd); - trav = trav->next; - } - } - - return 0; + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + + /* files opened in O_APPEND mode does not allow lseek() on fd */ + flags &= ~O_APPEND; + + local->fd = fd; + frame->local = local; + local->inode = loc->inode; + loc_copy (&local->loc, loc); + + /* Striped files */ + local->flags = flags; + local->call_count = priv->child_count; + local->stripe_size = stripe_get_matching_bs (loc->path, + priv->pattern, + priv->block_size); + + if (priv->xattr_supported) { + while (trav) { + STACK_WIND (frame, stripe_open_getxattr_cbk, + trav->xlator, trav->xlator->fops->getxattr, + loc, NULL); + trav = trav->next; + } + } else { + while (trav) { + STACK_WIND (frame, stripe_open_cbk, trav->xlator, + trav->xlator->fops->open, + &local->loc, local->flags, local->fd); + trav = trav->next; + } + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } /** * stripe_opendir_cbk - */ int32_t -stripe_opendir_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - fd_t *fd) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_ret = -1; - local->failed = 1; - local->op_errno = op_errno; - } +stripe_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, fd_t *fd) +{ + int32_t callcnt = 0; + stripe_local_t *local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_ret = -1; + local->failed = 1; + local->op_errno = op_errno; + } - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK (&frame->lock); + if (op_ret >= 0) + local->op_ret = op_ret; + } + UNLOCK (&frame->lock); - if (!callcnt) { - STACK_UNWIND (frame, local->op_ret, - local->op_errno, local->fd); - } + if (!callcnt) { + STACK_UNWIND (frame, local->op_ret, local->op_errno, + local->fd); + } - return 0; + return 0; } @@ -2081,42 +2025,48 @@ stripe_opendir_cbk (call_frame_t *frame, * stripe_opendir - */ int32_t -stripe_opendir (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - fd_t *fd) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); - - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning EIO"); - STACK_UNWIND (frame, -1, EIO, NULL); - return 0; - } - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - frame->local = local; - local->inode = loc->inode; - local->fd = fd; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_opendir_cbk, - trav->xlator, - trav->xlator->fops->opendir, - loc, fd); - trav = trav->next; - } +stripe_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd) +{ + xlator_list_t *trav = NULL; + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); + + priv = this->private; + trav = this->children; + + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + frame->local = local; + local->inode = loc->inode; + local->fd = fd; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_opendir_cbk, trav->xlator, + trav->xlator->fops->opendir, loc, fd); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2124,15 +2074,11 @@ stripe_opendir (call_frame_t *frame, * stripe_getxattr_cbk - */ int32_t -stripe_getxattr_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - dict_t *value) +stripe_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *value) { - STACK_UNWIND (frame, op_ret, op_errno, value); - return 0; + STACK_UNWIND (frame, op_ret, op_errno, value); + return 0; } @@ -2140,49 +2086,48 @@ stripe_getxattr_cbk (call_frame_t *frame, * stripe_getxattr - */ int32_t -stripe_getxattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - const char *name) +stripe_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, + const char *name) { - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); - STACK_WIND (frame, - stripe_getxattr_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->getxattr, - loc, name); + STACK_WIND (frame, stripe_getxattr_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->getxattr, loc, name); - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } /** * stripe_removexattr - */ int32_t -stripe_removexattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - const char *name) +stripe_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc, + const char *name) { - stripe_private_t *priv = this->private; + int32_t op_errno = 1; - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (loc); + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (loc, err); + VALIDATE_OR_GOTO (loc->path, err); + VALIDATE_OR_GOTO (loc->inode, err); - if (priv->first_child_down) { - gf_log (this->name, GF_LOG_WARNING, - "First node down, returning ENOTCONN"); - STACK_UNWIND (frame, -1, ENOTCONN, NULL); - return 0; - } + STACK_WIND (frame, stripe_common_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->removexattr, loc, name); - STACK_WIND (frame, - stripe_common_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->removexattr, - loc, name); - - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } @@ -2190,43 +2135,41 @@ stripe_removexattr (call_frame_t *frame, * stripe_lk_cbk - */ int32_t -stripe_lk_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct flock *lock) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK (&frame->lock); - { - callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_errno = op_errno; - if (op_errno == ENOTCONN) - local->failed = 1; - } - if (op_ret == 0 && local->op_ret == -1) { - /* First successful call, copy the *lock */ - local->op_ret = 0; - local->lock = *lock; - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - STACK_UNWIND (frame, local->op_ret, - local->op_errno, &local->lock); - } - return 0; +stripe_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct flock *lock) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK (&frame->lock); + { + callcnt = --local->call_count; + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_errno = op_errno; + if (op_errno == ENOTCONN) + local->failed = 1; + } + if (op_ret == 0 && local->op_ret == -1) { + /* First successful call, copy the *lock */ + local->op_ret = 0; + local->lock = *lock; + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + if (local->failed) + local->op_ret = -1; + STACK_UNWIND (frame, local->op_ret, + local->op_errno, &local->lock); + } + return 0; } @@ -2234,71 +2177,86 @@ stripe_lk_cbk (call_frame_t *frame, * stripe_lk - */ int32_t -stripe_lk (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t cmd, - struct flock *lock) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = this->children; - stripe_private_t *priv = this->private; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; +stripe_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd, + struct flock *lock) +{ + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + trav = this->children; + priv = this->private; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_lk_cbk, - trav->xlator, - trav->xlator->fops->lk, - fd, cmd, lock); - trav = trav->next; - } + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_lk_cbk, trav->xlator, + trav->xlator->fops->lk, fd, cmd, lock); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } /** * stripe_writedir - */ int32_t -stripe_setdents (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t flags, - dir_entry_t *entries, - int32_t count) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_cbk, - trav->xlator, - trav->xlator->fops->setdents, - fd, flags, entries, count); - trav = trav->next; - } +stripe_setdents (call_frame_t *frame, xlator_t *this, fd_t *fd, + int32_t flags, dir_entry_t *entries, int32_t count) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator, + trav->xlator->fops->setdents, fd, flags, entries, + count); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } @@ -2306,44 +2264,45 @@ stripe_setdents (call_frame_t *frame, * stripe_flush - */ int32_t -stripe_flush (call_frame_t *frame, - xlator_t *this, - fd_t *fd) +stripe_flush (call_frame_t *frame, xlator_t *this, fd_t *fd) { - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_cbk, - trav->xlator, - trav->xlator->fops->flush, - fd); - trav = trav->next; - } + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); - return 0; -} + priv = this->private; + trav = this->children; + if (priv->first_child_down) { + op_errno = ENOTCONN; + goto err; + } + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator, + trav->xlator->fops->flush, fd); + trav = trav->next; + } -/** - * stripe_close - - */ -int32_t -stripe_release (xlator_t *this, - fd_t *fd) -{ - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } @@ -2351,34 +2310,41 @@ stripe_release (xlator_t *this, * stripe_fsync - */ int32_t -stripe_fsync (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t flags) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_cbk, - trav->xlator, - trav->xlator->fops->fsync, - fd, flags); - trav = trav->next; - } +stripe_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator, + trav->xlator->fops->fsync, fd, flags); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno); + return 0; } @@ -2387,33 +2353,43 @@ stripe_fsync (call_frame_t *frame, */ int32_t stripe_fstat (call_frame_t *frame, - xlator_t *this, - fd_t *fd) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = fd->inode; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->fstat, - fd); - trav = trav->next; - } + xlator_t *this, + fd_t *fd) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = fd->inode; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, trav->xlator, + trav->xlator->fops->fstat, fd); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2421,35 +2397,42 @@ stripe_fstat (call_frame_t *frame, * stripe_fchmod - */ int32_t -stripe_fchmod (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - mode_t mode) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = fd->inode; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->fchmod, - fd, mode); - trav = trav->next; - } - - return 0; +stripe_fchmod (call_frame_t *frame, xlator_t *this, fd_t *fd, mode_t mode) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = fd->inode; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, trav->xlator, + trav->xlator->fops->fchmod, fd, mode); + trav = trav->next; + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2457,36 +2440,43 @@ stripe_fchmod (call_frame_t *frame, * stripe_fchown - */ int32_t -stripe_fchown (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - uid_t uid, - gid_t gid) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = fd->inode; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->fchown, - fd, uid, gid); - trav = trav->next; - } - - return 0; +stripe_fchown (call_frame_t *frame, xlator_t *this, fd_t *fd, uid_t uid, + gid_t gid) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = fd->inode; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, trav->xlator, + trav->xlator->fops->fchown, fd, uid, gid); + trav = trav->next; + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2494,46 +2484,42 @@ stripe_fchown (call_frame_t *frame, * stripe_ftruncate - */ int32_t -stripe_ftruncate (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - off_t offset) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->inode = fd->inode; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_buf_cbk, - trav->xlator, - trav->xlator->fops->ftruncate, - fd, offset); - trav = trav->next; - } - - return 0; -} - +stripe_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->inode = fd->inode; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_buf_cbk, trav->xlator, + trav->xlator->fops->ftruncate, fd, offset); + trav = trav->next; + } -/** - * stripe_releasedir - - */ -int32_t -stripe_releasedir (xlator_t *this, - fd_t *fd) -{ - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2541,35 +2527,41 @@ stripe_releasedir (xlator_t *this, * stripe_fsyncdir - */ int32_t -stripe_fsyncdir (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t flags) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = this->private; - xlator_list_t *trav = this->children; - - STRIPE_CHECK_INODE_CTX_AND_UNWIND_ON_ERR (fd); - - /* Initialization */ - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND (frame, - stripe_stack_unwind_cbk, - trav->xlator, - trav->xlator->fops->fsyncdir, - fd, - flags); - trav = trav->next; - } +stripe_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags) +{ + stripe_local_t *local = NULL; + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + + VALIDATE_OR_GOTO (frame, err); + VALIDATE_OR_GOTO (this, err); + VALIDATE_OR_GOTO (fd, err); + VALIDATE_OR_GOTO (fd->inode, err); + + priv = this->private; + trav = this->children; + + /* Initialization */ + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->op_ret = -1; + frame->local = local; + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stack_unwind_cbk, trav->xlator, + trav->xlator->fops->fsyncdir, fd, flags); + trav = trav->next; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2578,18 +2570,13 @@ stripe_fsyncdir (call_frame_t *frame, * file name doesn't match the pattern specified for striping. */ int32_t -stripe_single_readv_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct iovec *vector, - int32_t count, - struct stat *stbuf, - struct iobref *iobref) +stripe_single_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, + struct iovec *vector, int32_t count, + struct stat *stbuf, struct iobref *iobref) { - STACK_UNWIND (frame, op_ret, op_errno, vector, count, stbuf, iobref); - return 0; + STACK_UNWIND (frame, op_ret, op_errno, vector, count, stbuf, iobref); + return 0; } /** @@ -2597,184 +2584,195 @@ stripe_single_readv_cbk (call_frame_t *frame, * to above layer after putting it in a single vector. */ int32_t -stripe_readv_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct iovec *vector, - int32_t count, - struct stat *stbuf, - struct iobref *iobref) -{ - int32_t index = 0; - int32_t callcnt = 0; - call_frame_t *main_frame = NULL; - stripe_local_t *main_local = NULL; - stripe_local_t *local = frame->local; - - index = local->node_index; - main_frame = local->orig_frame; - main_local = main_frame->local; - - LOCK (&main_frame->lock); - { - main_local->replies[index].op_ret = op_ret; - main_local->replies[index].op_errno = op_errno; - if (op_ret >= 0) { - main_local->replies[index].stbuf = *stbuf; - main_local->replies[index].count = count; - main_local->replies[index].vector = - iov_dup (vector, count); +stripe_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct iovec *vector, + int32_t count, struct stat *stbuf, struct iobref *iobref) +{ + int32_t index = 0; + int32_t callcnt = 0; + call_frame_t *main_frame = NULL; + stripe_local_t *main_local = NULL; + stripe_local_t *local = frame->local; + + index = local->node_index; + main_frame = local->orig_frame; + main_local = main_frame->local; + + LOCK (&main_frame->lock); + { + main_local->replies[index].op_ret = op_ret; + main_local->replies[index].op_errno = op_errno; + if (op_ret >= 0) { + main_local->replies[index].stbuf = *stbuf; + main_local->replies[index].count = count; + main_local->replies[index].vector = + iov_dup (vector, count); if (!main_local->iobref) main_local->iobref = iobref_new (); iobref_merge (main_local->iobref, iobref); - } - callcnt = ++main_local->call_count; - } - UNLOCK(&main_frame->lock); - - if (callcnt == main_local->wind_count) { - int32_t final_count = 0; - struct iovec *final_vec = NULL; - struct stat tmp_stbuf = {0,}; - struct iobref *iobref = NULL; - - op_ret = 0; - memcpy (&tmp_stbuf, &main_local->replies[0].stbuf, - sizeof (struct stat)); - for (index=0; index < main_local->wind_count; index++) { - /* TODO: check whether each stripe returned 'expected' - * number of bytes - */ - if (main_local->replies[index].op_ret == -1) { - op_ret = -1; - op_errno = main_local->replies[index].op_errno; - break; - } - op_ret += main_local->replies[index].op_ret; - final_count += main_local->replies[index].count; - /* TODO: Do I need to send anything more in stbuf? */ - if (tmp_stbuf.st_size < - main_local->replies[index].stbuf.st_size) { - tmp_stbuf.st_size = - main_local->replies[index].stbuf.st_size; - } - } - if (op_ret != -1) { - final_vec = CALLOC (final_count, - sizeof (struct iovec)); - ERR_ABORT (final_vec); - final_count = 0; - - for (index=0; - index < main_local->wind_count; index++) { - memcpy (final_vec + final_count, - main_local->replies[index].vector, - (main_local->replies[index].count * - sizeof (struct iovec))); - final_count += - main_local->replies[index].count; - - free (main_local->replies[index].vector); - } - } else { - final_vec = NULL; - final_count = 0; - } - /* */ - FREE (main_local->replies); + } + callcnt = ++main_local->call_count; + } + UNLOCK(&main_frame->lock); + + if (callcnt == main_local->wind_count) { + int32_t final_count = 0; + struct iovec *final_vec = NULL; + struct stat tmp_stbuf = {0,}; + struct iobref *iobref = NULL; + + op_ret = 0; + memcpy (&tmp_stbuf, &main_local->replies[0].stbuf, + sizeof (struct stat)); + for (index=0; index < main_local->wind_count; index++) { + /* TODO: check whether each stripe returned 'expected' + * number of bytes + */ + if (main_local->replies[index].op_ret == -1) { + op_ret = -1; + op_errno = main_local->replies[index].op_errno; + break; + } + op_ret += main_local->replies[index].op_ret; + final_count += main_local->replies[index].count; + /* TODO: Do I need to send anything more in stbuf? */ + if (tmp_stbuf.st_size < + main_local->replies[index].stbuf.st_size) { + tmp_stbuf.st_size = + main_local->replies[index].stbuf.st_size; + } + } + if (op_ret != -1) { + final_vec = CALLOC (final_count, + sizeof (struct iovec)); + if (!final_vec) { + op_ret = -1; + final_count = 0; + goto done; + } + + final_count = 0; + + for (index=0; + index < main_local->wind_count; index++) { + memcpy (final_vec + final_count, + main_local->replies[index].vector, + (main_local->replies[index].count * + sizeof (struct iovec))); + final_count += + main_local->replies[index].count; + + free (main_local->replies[index].vector); + } + } else { + final_vec = NULL; + final_count = 0; + } + + done: + /* */ + FREE (main_local->replies); iobref = main_local->iobref; - STACK_UNWIND (main_frame, op_ret, op_errno, - final_vec, final_count, &tmp_stbuf, iobref); + STACK_UNWIND (main_frame, op_ret, op_errno, + final_vec, final_count, &tmp_stbuf, iobref); - iobref_unref (iobref); - if (final_vec) - free (final_vec); - } + iobref_unref (iobref); + if (final_vec) + FREE (final_vec); + } - STACK_DESTROY (frame->root); - return 0; + STACK_DESTROY (frame->root); + return 0; } /** * stripe_readv - */ int32_t -stripe_readv (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - size_t size, - off_t offset) -{ - int32_t index = 0; - int32_t num_stripe = 0; - size_t frame_size = 0; - off_t rounded_end = 0; - uint64_t stripe_size = 0; - off_t rounded_start = 0; - off_t frame_offset = offset; - stripe_local_t *local = NULL; - call_frame_t *rframe = NULL; - stripe_local_t *rlocal = NULL; - xlator_list_t *trav = this->children; - stripe_private_t *priv = this->private; - - fd_ctx_get (fd, this, &stripe_size); - if (!stripe_size) { - STACK_UNWIND (frame, -1, EINVAL, NULL, 0, NULL); - return 0; - } - - /* The file is stripe across the child nodes. Send the read request - * to the child nodes appropriately after checking which region of - * the file is in which child node. Always '0-<stripe_size>' part of - * the file resides in the first child. - */ - rounded_start = floor (offset, stripe_size); - rounded_end = roof (offset+size, stripe_size); - num_stripe = (rounded_end - rounded_start) / stripe_size; - - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - local->wind_count = num_stripe; - frame->local = local; - - /* This is where all the vectors should be copied. */ - local->replies = CALLOC (1, num_stripe * - sizeof (struct readv_replies)); - ERR_ABORT (local->replies); - - for (index = 0; - index < ((offset / stripe_size) % priv->child_count); - index++) { - trav = trav->next; - } +stripe_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, + size_t size, off_t offset) +{ + int32_t op_errno = 1; + int32_t index = 0; + int32_t num_stripe = 0; + size_t frame_size = 0; + off_t rounded_end = 0; + uint64_t stripe_size = 0; + off_t rounded_start = 0; + off_t frame_offset = offset; + stripe_local_t *local = NULL; + call_frame_t *rframe = NULL; + stripe_local_t *rlocal = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + + trav = this->children; + priv = this->private; + + fd_ctx_get (fd, this, &stripe_size); + if (!stripe_size) { + op_errno = EBADFD; + goto err; + } + + /* The file is stripe across the child nodes. Send the read request + * to the child nodes appropriately after checking which region of + * the file is in which child node. Always '0-<stripe_size>' part of + * the file resides in the first child. + */ + rounded_start = floor (offset, stripe_size); + rounded_end = roof (offset+size, stripe_size); + num_stripe = (rounded_end - rounded_start) / stripe_size; + + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + local->wind_count = num_stripe; + frame->local = local; + + /* This is where all the vectors should be copied. */ + local->replies = CALLOC (num_stripe, sizeof (struct readv_replies)); + if (!local->replies) { + op_errno = ENOMEM; + goto err; + } + + for (index = 0; + index < ((offset / stripe_size) % priv->child_count); + index++) { + trav = trav->next; + } - for (index = 0; index < num_stripe; index++) { - rframe = copy_frame (frame); - rlocal = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (rlocal); - - frame_size = min (roof (frame_offset+1, stripe_size), - (offset + size)) - frame_offset; - - rlocal->node_index = index; - rlocal->orig_frame = frame; - rframe->local = rlocal; - STACK_WIND (rframe, - stripe_readv_cbk, - trav->xlator, - trav->xlator->fops->readv, - fd, frame_size, frame_offset); + for (index = 0; index < num_stripe; index++) { + rframe = copy_frame (frame); + rlocal = CALLOC (1, sizeof (stripe_local_t)); + if (!rlocal) { + op_errno = ENOMEM; + goto err; + } + + frame_size = min (roof (frame_offset+1, stripe_size), + (offset + size)) - frame_offset; + + rlocal->node_index = index; + rlocal->orig_frame = frame; + rframe->local = rlocal; + STACK_WIND (rframe, stripe_readv_cbk, trav->xlator, + trav->xlator->fops->readv, + fd, frame_size, frame_offset); - frame_offset += frame_size; + frame_offset += frame_size; - trav = trav->next ? trav->next : this->children; - } + trav = trav->next ? trav->next : this->children; + } - return 0; + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2782,39 +2780,38 @@ stripe_readv (call_frame_t *frame, * stripe_writev_cbk - */ int32_t -stripe_writev_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct stat *stbuf) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - LOCK(&frame->lock); - { - callcnt = ++local->call_count; +stripe_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct stat *stbuf) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK(&frame->lock); + { + callcnt = ++local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_errno = op_errno; - local->op_ret = -1; - } - if (op_ret >= 0) { - local->op_ret += op_ret; - local->stbuf = *stbuf; - } - } - UNLOCK (&frame->lock); - - if ((callcnt == local->wind_count) && local->unwind) { - STACK_UNWIND (frame, local->op_ret, - local->op_errno, &local->stbuf); - } - return 0; + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_errno = op_errno; + local->op_ret = -1; + } + if (op_ret >= 0) { + local->op_ret += op_ret; + local->stbuf = *stbuf; + } + } + UNLOCK (&frame->lock); + + if ((callcnt == local->wind_count) && local->unwind) { + STACK_UNWIND (frame, local->op_ret, + local->op_errno, &local->stbuf); + } + return 0; } @@ -2822,99 +2819,100 @@ stripe_writev_cbk (call_frame_t *frame, * stripe_single_writev_cbk - */ int32_t -stripe_single_writev_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct stat *stbuf) +stripe_single_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct stat *stbuf) { - STACK_UNWIND (frame, op_ret, op_errno, stbuf); - return 0; + STACK_UNWIND (frame, op_ret, op_errno, stbuf); + return 0; } /** * stripe_writev - */ int32_t -stripe_writev (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - struct iovec *vector, - int32_t count, - off_t offset, +stripe_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, + struct iovec *vector, int32_t count, off_t offset, struct iobref *iobref) { - int32_t idx = 0; - int32_t total_size = 0; - int32_t offset_offset = 0; - int32_t remaining_size = 0; - int32_t tmp_count = count; - off_t fill_size = 0; - uint64_t stripe_size = 0; - struct iovec *tmp_vec = vector; - stripe_private_t *priv = this->private; - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - - fd_ctx_get (fd, this, &stripe_size); - if (!stripe_size) { - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - } - - /* File has to be stripped across the child nodes */ - for (idx = 0; idx< count; idx ++) { - total_size += tmp_vec[idx].iov_len; - } - remaining_size = total_size; - - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - frame->local = local; - local->stripe_size = stripe_size; - - while (1) { - /* Send striped chunk of the vector to child - nodes appropriately. */ - trav = this->children; - - idx = (((offset + offset_offset) / - local->stripe_size) % priv->child_count); - while (idx) { - trav = trav->next; - idx--; - } - fill_size = (local->stripe_size - - ((offset + offset_offset) % local->stripe_size)); - if (fill_size > remaining_size) - fill_size = remaining_size; - - remaining_size -= fill_size; - - tmp_count = iov_subset (vector, count, offset_offset, - offset_offset + fill_size, NULL); - tmp_vec = CALLOC (tmp_count, sizeof (struct iovec)); - ERR_ABORT (tmp_vec); - tmp_count = iov_subset (vector, count, offset_offset, - offset_offset + fill_size, tmp_vec); - - local->wind_count++; - if (remaining_size == 0) - local->unwind = 1; - - STACK_WIND(frame, - stripe_writev_cbk, - trav->xlator, - trav->xlator->fops->writev, - fd, tmp_vec, tmp_count, offset + offset_offset, - iobref); - FREE (tmp_vec); - offset_offset += fill_size; - if (remaining_size == 0) - break; - } - - return 0; + struct iovec *tmp_vec = vector; + stripe_private_t *priv = NULL; + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + int32_t op_errno = 1; + int32_t idx = 0; + int32_t total_size = 0; + int32_t offset_offset = 0; + int32_t remaining_size = 0; + int32_t tmp_count = count; + off_t fill_size = 0; + uint64_t stripe_size = 0; + + priv = this->private; + + fd_ctx_get (fd, this, &stripe_size); + if (!stripe_size) { + op_errno = EINVAL; + goto err; + } + + /* File has to be stripped across the child nodes */ + for (idx = 0; idx< count; idx ++) { + total_size += tmp_vec[idx].iov_len; + } + remaining_size = total_size; + + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + frame->local = local; + local->stripe_size = stripe_size; + + while (1) { + /* Send striped chunk of the vector to child + nodes appropriately. */ + trav = this->children; + + idx = (((offset + offset_offset) / + local->stripe_size) % priv->child_count); + while (idx) { + trav = trav->next; + idx--; + } + fill_size = (local->stripe_size - + ((offset + offset_offset) % local->stripe_size)); + if (fill_size > remaining_size) + fill_size = remaining_size; + + remaining_size -= fill_size; + + tmp_count = iov_subset (vector, count, offset_offset, + offset_offset + fill_size, NULL); + tmp_vec = CALLOC (tmp_count, sizeof (struct iovec)); + if (!tmp_vec) { + op_errno = ENOMEM; + goto err; + } + tmp_count = iov_subset (vector, count, offset_offset, + offset_offset + fill_size, tmp_vec); + + local->wind_count++; + if (remaining_size == 0) + local->unwind = 1; + + STACK_WIND(frame, stripe_writev_cbk, trav->xlator, + trav->xlator->fops->writev, fd, tmp_vec, + tmp_count, offset + offset_offset, iobref); + FREE (tmp_vec); + offset_offset += fill_size; + if (remaining_size == 0) + break; + } + + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } @@ -2927,157 +2925,160 @@ stripe_writev (call_frame_t *frame, * */ int32_t -stripe_stats_cbk (call_frame_t *frame, - void *cookie, - xlator_t *this, - int32_t op_ret, - int32_t op_errno, - struct xlator_stats *stats) -{ - int32_t callcnt = 0; - stripe_local_t *local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; +stripe_stats_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct xlator_stats *stats) +{ + int32_t callcnt = 0; + stripe_local_t *local = NULL; + + local = frame->local; + + LOCK(&frame->lock); + { + callcnt = --local->call_count; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "%s returned error %s", - ((call_frame_t *)cookie)->this->name, - strerror (op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - } - if (op_ret == 0) { - if (local->op_ret == -2) { - /* This is to make sure this is the - first time */ - local->stats = *stats; - local->op_ret = 0; - } else { - local->stats.nr_files += stats->nr_files; - local->stats.free_disk += stats->free_disk; - local->stats.disk_usage += stats->disk_usage; - local->stats.nr_clients += stats->nr_clients; - } - } - } - UNLOCK (&frame->lock); - - if (!callcnt) { - STACK_UNWIND (frame, local->op_ret, local->op_errno, - &local->stats); - } - - return 0; + if (op_ret == -1) { + gf_log (this->name, GF_LOG_DEBUG, + "%s returned error %s", + ((call_frame_t *)cookie)->this->name, + strerror (op_errno)); + local->op_ret = -1; + local->op_errno = op_errno; + } + if (op_ret == 0) { + if (local->op_ret == -2) { + /* This is to make sure this is the + first time */ + local->stats = *stats; + local->op_ret = 0; + } else { + local->stats.nr_files += stats->nr_files; + local->stats.free_disk += stats->free_disk; + local->stats.disk_usage += stats->disk_usage; + local->stats.nr_clients += stats->nr_clients; + } + } + } + UNLOCK (&frame->lock); + + if (!callcnt) { + STACK_UNWIND (frame, local->op_ret, local->op_errno, + &local->stats); + } + + return 0; } /** * stripe_stats - */ int32_t -stripe_stats (call_frame_t *frame, - xlator_t *this, - int32_t flags) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = this->children; - - local = CALLOC (1, sizeof (stripe_local_t)); - ERR_ABORT (local); - frame->local = local; - local->op_ret = -2; /* to be used as a flag in _cbk */ - local->call_count = ((stripe_private_t*)this->private)->child_count; - while (trav) { - STACK_WIND (frame, - stripe_stats_cbk, - trav->xlator, - trav->xlator->mops->stats, - flags); - trav = trav->next; - } - return 0; +stripe_stats (call_frame_t *frame, xlator_t *this, int32_t flags) +{ + stripe_local_t *local = NULL; + xlator_list_t *trav = NULL; + stripe_private_t *priv = NULL; + int32_t op_errno = 1; + + priv = this->private; + trav = this->children; + + local = CALLOC (1, sizeof (stripe_local_t)); + if (!local) { + op_errno = ENOMEM; + goto err; + } + frame->local = local; + local->op_ret = -2; /* to be used as a flag in _cbk */ + local->call_count = priv->child_count; + + while (trav) { + STACK_WIND (frame, stripe_stats_cbk, trav->xlator, + trav->xlator->mops->stats, flags); + trav = trav->next; + } + return 0; + err: + STACK_UNWIND (frame, -1, op_errno, NULL); + return 0; } /** * notify */ int32_t -notify (xlator_t *this, - int32_t event, - void *data, - ...) -{ - stripe_private_t *priv = this->private; - int down_client = 0; - int i = 0; - - if (!priv) - return 0; - - switch (event) - { - case GF_EVENT_CHILD_UP: - { - /* get an index number to set */ - for (i = 0; i < priv->child_count; i++) { - if (data == priv->xl_array[i]) - break; - } - priv->state[i] = 1; - for (i = 0; i < priv->child_count; i++) { - if (!priv->state[i]) - down_client++; - } - - LOCK (&priv->lock); - { - priv->nodes_down = down_client; - - if (data == FIRST_CHILD (this)) { - priv->first_child_down = 0; - default_notify (this, event, data); - } - } - UNLOCK (&priv->lock); - } - break; - case GF_EVENT_CHILD_DOWN: - { - /* get an index number to set */ - for (i = 0; i < priv->child_count; i++) { - if (data == priv->xl_array[i]) - break; - } - priv->state[i] = 0; - for (i = 0; i < priv->child_count; i++) { - if (!priv->state[i]) - down_client++; - } - - LOCK (&priv->lock); - { - priv->nodes_down = down_client; - - if (data == FIRST_CHILD (this)) { - priv->first_child_down = 1; - default_notify (this, event, data); - } - } - UNLOCK (&priv->lock); - } - break; - - default: - { - /* */ - default_notify (this, event, data); - } - break; - } - - return 0; +notify (xlator_t *this, int32_t event, void *data, ...) +{ + stripe_private_t *priv = NULL; + int down_client = 0; + int i = 0; + + priv = this->private; + if (!priv) + return 0; + + switch (event) + { + case GF_EVENT_CHILD_UP: + { + /* get an index number to set */ + for (i = 0; i < priv->child_count; i++) { + if (data == priv->xl_array[i]) + break; + } + priv->state[i] = 1; + for (i = 0; i < priv->child_count; i++) { + if (!priv->state[i]) + down_client++; + } + + LOCK (&priv->lock); + { + priv->nodes_down = down_client; + + if (data == FIRST_CHILD (this)) { + priv->first_child_down = 0; + default_notify (this, event, data); + } + } + UNLOCK (&priv->lock); + } + break; + case GF_EVENT_CHILD_DOWN: + { + /* get an index number to set */ + for (i = 0; i < priv->child_count; i++) { + if (data == priv->xl_array[i]) + break; + } + priv->state[i] = 0; + for (i = 0; i < priv->child_count; i++) { + if (!priv->state[i]) + down_client++; + } + + LOCK (&priv->lock); + { + priv->nodes_down = down_client; + + if (data == FIRST_CHILD (this)) { + priv->first_child_down = 1; + default_notify (this, event, data); + } + } + UNLOCK (&priv->lock); + } + break; + + default: + { + /* */ + default_notify (this, event, data); + } + break; + } + + return 0; } int @@ -3143,82 +3144,86 @@ set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data) int32_t init (xlator_t *this) { - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - data_t *data = NULL; - int32_t count = 0; - int ret = -1; - - trav = this->children; - while (trav) { - count++; - trav = trav->next; - } - - if (!count) { - gf_log (this->name, GF_LOG_ERROR, - "stripe configured without \"subvolumes\" option. " - "exiting"); + stripe_private_t *priv = NULL; + xlator_list_t *trav = NULL; + data_t *data = NULL; + int32_t count = 0; + int ret = -1; + + trav = this->children; + while (trav) { + count++; + trav = trav->next; + } + + if (!count) { + gf_log (this->name, GF_LOG_ERROR, + "stripe configured without \"subvolumes\" option. " + "exiting"); goto out; - } + } - if (!this->parents) { - gf_log (this->name, GF_LOG_WARNING, - "dangling volume. check volfile "); - } + if (!this->parents) { + gf_log (this->name, GF_LOG_WARNING, + "dangling volume. check volfile "); + } - priv = CALLOC (1, sizeof (stripe_private_t)); + priv = CALLOC (1, sizeof (stripe_private_t)); if (!priv) goto out; - priv->xl_array = CALLOC (1, count * sizeof (xlator_t *)); + priv->xl_array = CALLOC (count, sizeof (xlator_t *)); if (!priv->xl_array) goto out; - priv->child_count = count; - LOCK_INIT (&priv->lock); - - trav = this->children; - count = 0; - while (trav) { - priv->xl_array[count++] = trav->xlator; - trav = trav->next; - } - - if (count > 256) { - gf_log (this->name, GF_LOG_ERROR, - "maximum number of stripe subvolumes supported " - "is 256"); - goto out; - } - - priv->block_size = (128 * GF_UNIT_KB); - /* option stripe-pattern *avi:1GB,*pdf:4096 */ - data = dict_get (this->options, "block-size"); - if (!data) { - gf_log (this->name, GF_LOG_DEBUG, - "No \"option block-size <x>\" given, defaulting " - "to 128KB"); - } else { + priv->state = CALLOC (count, sizeof (int8_t)); + if (!priv->xl_array) + goto out; + + priv->child_count = count; + LOCK_INIT (&priv->lock); + + trav = this->children; + count = 0; + while (trav) { + priv->xl_array[count++] = trav->xlator; + trav = trav->next; + } + + if (count > 256) { + gf_log (this->name, GF_LOG_ERROR, + "maximum number of stripe subvolumes supported " + "is 256"); + goto out; + } + + priv->block_size = (128 * GF_UNIT_KB); + /* option stripe-pattern *avi:1GB,*pdf:4096 */ + data = dict_get (this->options, "block-size"); + if (!data) { + gf_log (this->name, GF_LOG_DEBUG, + "No \"option block-size <x>\" given, defaulting " + "to 128KB"); + } else { ret = set_stripe_block_size (this, priv, data->data); if (ret) goto out; - } + } - priv->xattr_supported = 1; - data = dict_get (this->options, "use-xattr"); - if (data) { - if (gf_string2boolean (data->data, - &priv->xattr_supported) == -1) { - gf_log (this->name, GF_LOG_ERROR, - "error setting hard check for extended " - "attribute"); - //return -1; - } - } - - /* notify related */ - priv->nodes_down = priv->child_count; - this->private = priv; + priv->xattr_supported = 1; + data = dict_get (this->options, "use-xattr"); + if (data) { + if (gf_string2boolean (data->data, + &priv->xattr_supported) == -1) { + gf_log (this->name, GF_LOG_ERROR, + "error setting hard check for extended " + "attribute"); + //return -1; + } + } + + /* notify related */ + priv->nodes_down = priv->child_count; + this->private = priv; ret = 0; out: @@ -3229,7 +3234,7 @@ init (xlator_t *this) FREE (priv); } } - return ret; + return ret; } /** @@ -3239,73 +3244,79 @@ init (xlator_t *this) void fini (xlator_t *this) { - stripe_private_t *priv = this->private; - struct stripe_options *prev = NULL; - struct stripe_options *trav = priv->pattern; - while (trav) { - prev = trav; - trav = trav->next; - FREE (prev); - } - FREE (priv->xl_array); - LOCK_DESTROY (&priv->lock); - FREE (priv); - return; + stripe_private_t *priv = NULL; + struct stripe_options *prev = NULL; + struct stripe_options *trav = NULL; + + priv = this->private; + if (priv) { + if (priv->xl_array) + FREE (priv->xl_array); + + trav = priv->pattern; + while (trav) { + prev = trav; + trav = trav->next; + FREE (prev); + } + LOCK_DESTROY (&priv->lock); + FREE (priv); + } + + return; } struct xlator_fops fops = { - .stat = stripe_stat, - .unlink = stripe_unlink, - .symlink = stripe_symlink, - .rename = stripe_rename, - .link = stripe_link, - .chmod = stripe_chmod, - .chown = stripe_chown, - .truncate = stripe_truncate, - .utimens = stripe_utimens, - .create = stripe_create, - .open = stripe_open, - .readv = stripe_readv, - .writev = stripe_writev, - .statfs = stripe_statfs, - .flush = stripe_flush, - .fsync = stripe_fsync, - .setxattr = stripe_setxattr, - .getxattr = stripe_getxattr, - .removexattr = stripe_removexattr, - .access = stripe_access, - .ftruncate = stripe_ftruncate, - .fstat = stripe_fstat, - .readlink = stripe_readlink, - .mkdir = stripe_mkdir, - .rmdir = stripe_rmdir, - .lk = stripe_lk, - .opendir = stripe_opendir, - .fsyncdir = stripe_fsyncdir, - .fchmod = stripe_fchmod, - .fchown = stripe_fchown, - .lookup = stripe_lookup, - .setdents = stripe_setdents, - .mknod = stripe_mknod, + .stat = stripe_stat, + .unlink = stripe_unlink, + .symlink = stripe_symlink, + .rename = stripe_rename, + .link = stripe_link, + .chmod = stripe_chmod, + .chown = stripe_chown, + .truncate = stripe_truncate, + .utimens = stripe_utimens, + .create = stripe_create, + .open = stripe_open, + .readv = stripe_readv, + .writev = stripe_writev, + .statfs = stripe_statfs, + .flush = stripe_flush, + .fsync = stripe_fsync, + .setxattr = stripe_setxattr, + .getxattr = stripe_getxattr, + .removexattr = stripe_removexattr, + .access = stripe_access, + .ftruncate = stripe_ftruncate, + .fstat = stripe_fstat, + .readlink = stripe_readlink, + .mkdir = stripe_mkdir, + .rmdir = stripe_rmdir, + .lk = stripe_lk, + .opendir = stripe_opendir, + .fsyncdir = stripe_fsyncdir, + .fchmod = stripe_fchmod, + .fchown = stripe_fchown, + .lookup = stripe_lookup, + .setdents = stripe_setdents, + .mknod = stripe_mknod, }; struct xlator_mops mops = { - .stats = stripe_stats, + .stats = stripe_stats, }; struct xlator_cbks cbks = { - .release = stripe_release, - .releasedir = stripe_releasedir }; struct volume_options options[] = { - { .key = {"block-size"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"use-xattr"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {NULL} }, + { .key = {"block-size"}, + .type = GF_OPTION_TYPE_ANY + }, + { .key = {"use-xattr"}, + .type = GF_OPTION_TYPE_BOOL + }, + { .key = {NULL} }, }; diff --git a/xlators/cluster/stripe/src/stripe.h b/xlators/cluster/stripe/src/stripe.h new file mode 100644 index 00000000000..fbaf8fad6af --- /dev/null +++ b/xlators/cluster/stripe/src/stripe.h @@ -0,0 +1,125 @@ +/* + Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + + +#ifndef _STRIPE_H_ +#define _STRIPE_H_ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "xlator.h" +#include "logging.h" +#include "defaults.h" +#include "compat.h" +#include "compat-errno.h" +#include <fnmatch.h> +#include <signal.h> + + +/** + * struct stripe_options : This keeps the pattern and the block-size + * information, which is used for striping on a file. + */ +struct stripe_options { + struct stripe_options *next; + char path_pattern[256]; + uint64_t block_size; +}; + +/** + * Private structure for stripe translator + */ +struct stripe_private { + struct stripe_options *pattern; + xlator_t **xl_array; + uint64_t block_size; + gf_lock_t lock; + uint8_t nodes_down; + int8_t first_child_down; + int8_t child_count; + int8_t *state; /* Current state of child node */ + gf_boolean_t xattr_supported; /* default yes */ +}; + +/** + * Used to keep info about the replies received from fops->readv calls + */ +struct readv_replies { + struct iovec *vector; + int32_t count; //count of vector + int32_t op_ret; //op_ret of readv + int32_t op_errno; + struct stat stbuf; /* 'stbuf' is also a part of reply */ +}; + +/** + * Local structure to be passed with all the frames in case of STACK_WIND + */ +struct stripe_local; /* this itself is used inside the structure; */ + +struct stripe_local { + struct stripe_local *next; + call_frame_t *orig_frame; + + /* Used by _cbk functions */ + struct stat stbuf; + struct readv_replies *replies; + struct statvfs statvfs_buf; + dir_entry_t *entry; + struct xlator_stats stats; + + int8_t revalidate; + int8_t failed; + int8_t unwind; + + int32_t node_index; + int32_t call_count; + int32_t wind_count; /* used instead of child_cound + in case of read and write */ + int32_t op_ret; + int32_t op_errno; + int32_t count; + int32_t flags; + char *name; + inode_t *inode; + + loc_t loc; + loc_t loc2; + + /* For File I/O fops */ + dict_t *dict; + + /* General usage */ + off_t offset; + off_t stripe_size; + + int8_t *list; + struct flock lock; + fd_t *fd; + void *value; + struct iobref *iobref; +}; + +typedef struct stripe_local stripe_local_t; +typedef struct stripe_private stripe_private_t; + +#endif /* _STRIPE_H_ */ |