diff options
| author | Csaba Henk <csaba@gluster.com> | 2009-07-13 22:28:07 +0200 |
|---|---|---|
| committer | Csaba Henk <csaba@gluster.com> | 2009-08-12 06:21:04 -0700 |
| commit | d5910898f1602dc16ab158b06c37abcd98a0588a (patch) | |
| tree | 8ea867f1f530554e81f9b1d604a6925f55d93540 /xlators/mount | |
| parent | 57a6cb9806ad9d99e6866a21d16fcb1bafef000c (diff) | |
basic version of direct FUSE interface (ie. not relying on libfuse)
Diffstat (limited to 'xlators/mount')
| -rw-r--r-- | xlators/mount/fuse/src/Makefile.am | 6 | ||||
| -rw-r--r-- | xlators/mount/fuse/src/fuse-bridge.c | 1708 | ||||
| -rw-r--r-- | xlators/mount/fuse/src/fuse-extra.c | 155 | ||||
| -rw-r--r-- | xlators/mount/fuse/src/fuse-extra.h | 42 | ||||
| -rw-r--r-- | xlators/mount/fuse/src/fuse_kernel.h | 509 |
5 files changed, 1471 insertions, 949 deletions
diff --git a/xlators/mount/fuse/src/Makefile.am b/xlators/mount/fuse/src/Makefile.am index 9d8d45e4f02..cc4fe9de683 100644 --- a/xlators/mount/fuse/src/Makefile.am +++ b/xlators/mount/fuse/src/Makefile.am @@ -1,10 +1,10 @@ -noinst_HEADERS = fuse-extra.h +noinst_HEADERS = fuse_kernel.h xlator_LTLIBRARIES = fuse.la xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/mount -fuse_la_SOURCES = fuse-bridge.c fuse-extra.c -fuse_la_LDFLAGS = -module -avoidversion -shared -nostartfiles $(GF_FUSE_LDADD) +fuse_la_SOURCES = fuse-bridge.c +fuse_la_LDFLAGS = -module -avoidversion -shared -nostartfiles AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D$(GF_HOST_OS) -Wall \ -I$(top_srcdir)/libglusterfs/src $(GF_CFLAGS) -DFUSE_USE_VERSION=26 diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c index efc8ea54d1b..2700d6ed05d 100644 --- a/xlators/mount/fuse/src/fuse-bridge.c +++ b/xlators/mount/fuse/src/fuse-bridge.c @@ -28,6 +28,9 @@ #include <stdint.h> #include <signal.h> #include <pthread.h> +#include <stddef.h> +#include <dirent.h> +#include <sys/mount.h> #ifndef _CONFIG_H #define _CONFIG_H @@ -41,9 +44,8 @@ #include "defaults.h" #include "common-utils.h" -#include <fuse/fuse_lowlevel.h> +#include "fuse_kernel.h" -#include "fuse-extra.h" #include "list.h" #include "dict.h" @@ -57,11 +59,16 @@ #define ZR_DIRECT_IO_OPT "direct-io-mode" #define ZR_STRICT_VOLFILE_CHECK "strict-volfile-check" +#define FUSE_711_OP_HIGH (FUSE_POLL + 1) +#define OFFSET_MAX 0x7fffffffffffffffLL +#define GLUSTERFS_XATTR_LEN_MAX 65536 + +typedef struct fuse_in_header fuse_in_header_t; +typedef void (fuse_handler_t) (xlator_t *this, fuse_in_header_t *finh, + void *msg); + struct fuse_private { int fd; - struct fuse *fuse; - struct fuse_session *se; - struct fuse_chan *ch; char *volfile; size_t volfile_size; char *mount_point; @@ -78,16 +85,16 @@ struct fuse_private { }; typedef struct fuse_private fuse_private_t; -#define _FI_TO_FD(fi) ((fd_t *)((long)fi->fh)) +#define _FH_TO_FD(fh) ((fd_t *)(uintptr_t)(fh)) -#define FI_TO_FD(fi) ((_FI_TO_FD (fi))?(fd_ref (_FI_TO_FD(fi))):((fd_t *) 0)) +#define FH_TO_FD(fh) ((_FH_TO_FD (fh))?(fd_ref (_FH_TO_FD (fh))):((fd_t *) 0)) #define FUSE_FOP(state, ret, op_num, fop, args ...) \ do { \ call_frame_t *frame = NULL; \ xlator_t *xl = NULL; \ \ - frame = get_call_frame_for_req (state, 1); \ + frame = get_call_frame_for_req (state); \ if (!frame) { \ /* This is not completely clean, as some \ * earlier allocations might remain unfreed \ @@ -97,9 +104,11 @@ typedef struct fuse_private fuse_private_t; */ \ gf_log ("glusterfs-fuse", \ GF_LOG_ERROR, \ - "FUSE message unique %"PRIu64":" \ + "FUSE message" \ + " unique %"PRIu64" opcode %d:" \ " frame allocation failed", \ - req_callid (state->req)); \ + state->finh->unique, \ + state->finh->opcode); \ free_state (state); \ return; \ } \ @@ -114,20 +123,21 @@ typedef struct fuse_private fuse_private_t; (((_errno == ENOENT) || (_errno == ESTALE))? \ GF_LOG_DEBUG) -#define STATE_FROM_REQ(req, state) \ - do { \ - state = state_from_req (req); \ - if (!state) { \ - gf_log ("glusterfs-fuse", \ - GF_LOG_ERROR, \ - "FUSE message unique %"PRIu64":" \ - " state allocation failed", \ - req_callid (req)); \ - \ - fuse_reply_err (req, ENOMEM); \ - \ - return; \ - } \ +#define GET_STATE(this, finh, state) \ + do { \ + state = get_state (this, finh); \ + if (!state) { \ + gf_log ("glusterfs-fuse", \ + GF_LOG_ERROR, \ + "FUSE message unique %"PRIu64" opcode %d:" \ + " state allocation failed", \ + finh->unique, finh->opcode); \ + \ + send_fuse_err (this, finh, ENOMEM); \ + FREE (finh); \ + \ + return; \ + } \ } while (0) @@ -137,7 +147,7 @@ typedef struct { inode_table_t *itable; loc_t loc; loc_t loc2; - fuse_req_t req; + fuse_in_header_t *finh; int32_t flags; off_t off; size_t size; @@ -148,8 +158,6 @@ typedef struct { char is_revalidate; } fuse_state_t; -int fuse_chan_receive (struct fuse_chan *ch, char *buf, int32_t size); - static void free_state (fuse_state_t *state) @@ -170,6 +178,10 @@ free_state (fuse_state_t *state) fd_unref (state->fd); state->fd = (void *)0xfdfdfdfd; } + if (state->finh) { + FREE (state->finh); + state->finh = NULL; + } #ifdef DEBUG memset (state, 0x90, sizeof (*state)); #endif @@ -179,66 +191,45 @@ free_state (fuse_state_t *state) fuse_state_t * -state_from_req (fuse_req_t req) +get_state (xlator_t *this, fuse_in_header_t *finh) { fuse_state_t *state = NULL; - xlator_t *this = NULL; - - this = fuse_req_userdata (req); state = (void *)calloc (1, sizeof (*state)); if (!state) return NULL; state->pool = this->ctx->pool; state->itable = this->itable; - state->req = req; + state->finh = finh; state->this = this; return state; } -static pid_t -get_pid_from_req (fuse_req_t req) -{ - const struct fuse_ctx *ctx = NULL; - - ctx = fuse_req_ctx (req); - return ctx->pid; -} - - static call_frame_t * -get_call_frame_for_req (fuse_state_t *state, char d) +get_call_frame_for_req (fuse_state_t *state) { call_pool_t *pool = NULL; - fuse_req_t req = NULL; - const struct fuse_ctx *ctx = NULL; + fuse_in_header_t *finh = NULL; call_frame_t *frame = NULL; xlator_t *this = NULL; fuse_private_t *priv = NULL; pool = state->pool; - req = state->req; - - if (req) { - this = fuse_req_userdata (req); - } else { - this = state->this; - } + finh = state->finh; + this = state->this; priv = this->private; frame = create_frame (this, pool); if (!frame) return NULL; - if (req) { - ctx = fuse_req_ctx (req); - - frame->root->uid = ctx->uid; - frame->root->gid = ctx->gid; - frame->root->pid = ctx->pid; - frame->root->unique = req_callid (req); + if (finh) { + frame->root->uid = finh->uid; + frame->root->gid = finh->gid; + frame->root->pid = finh->pid; + frame->root->unique = finh->unique; } frame->root->type = GF_OP_TYPE_FOP_REQUEST; @@ -247,6 +238,66 @@ get_call_frame_for_req (fuse_state_t *state, char d) } +/* + * iov_out should contain a fuse_out_header at zeroth position. + * The error value of this header is sent to kernel. + */ +static int +send_fuse_iov (xlator_t *this, fuse_in_header_t *finh, struct iovec *iov_out, + int count) +{ + fuse_private_t *priv = NULL; + struct fuse_out_header *fouh = NULL; + int res, i; + + priv = this->private; + + fouh = iov_out[0].iov_base; + iov_out[0].iov_len = sizeof (*fouh); + fouh->len = 0; + for (i = 0; i < count; i++) + fouh->len += iov_out[i].iov_len; + fouh->unique = finh->unique; + + res = writev (priv->fd, iov_out, count); + + if (res == -1) + return errno; + if (res != fouh->len) + return EINVAL; + return 0; +} + +static int +send_fuse_data (xlator_t *this, fuse_in_header_t *finh, void *data, size_t size) +{ + struct fuse_out_header fouh = {0, }; + struct iovec iov_out[2]; + + fouh.error = 0; + iov_out[0].iov_base = &fouh; + iov_out[1].iov_base = data; + iov_out[1].iov_len = size; + + return send_fuse_iov (this, finh, iov_out, 2); +} + +#define send_fuse_obj(this, finh, obj) \ + send_fuse_data (this, finh, obj, sizeof (*(obj))) + +static int +send_fuse_err (xlator_t *this, fuse_in_header_t *finh, int error) +{ + struct fuse_out_header fouh = {0, }; + struct iovec iov_out; + + fouh.error = -error; + iov_out.iov_base = &fouh; + + return send_fuse_iov (this, finh, &iov_out, 1); +} + + GF_MUST_CHECK static int32_t fuse_loc_fill (loc_t *loc, fuse_state_t *state, ino_t ino, ino_t par, const char *name) @@ -351,6 +402,51 @@ need_fresh_lookup (int32_t op_ret, int32_t op_errno, return 0; } +/* courtesy of folly/fuse */ +static void +stat2attr (struct stat *st, struct fuse_attr *fa) +{ + fa->ino = st->st_ino; + fa->size = st->st_size; + fa->blocks = st->st_blocks; + fa->atime = st->st_atime; + fa->mtime = st->st_mtime; + fa->ctime = st->st_ctime; + fa->atimensec = ST_ATIM_NSEC (st); + fa->mtimensec = ST_MTIM_NSEC (st); + fa->ctimensec = ST_CTIM_NSEC (st); + fa->mode = st->st_mode; + fa->nlink = st->st_nlink; + fa->uid = st->st_uid; + fa->gid = st->st_gid; + fa->rdev = st->st_rdev; + fa->blksize = st->st_blksize; +} + +/* courtesy of fuse */ +static unsigned long +calc_timeout_sec (double t) +{ + if (t > (double) ULONG_MAX) + return ULONG_MAX; + else if (t < 0.0) + return 0; + else + return (unsigned long) t; +} + +/* courtesy of fuse */ +static unsigned int +calc_timeout_nsec (double t) +{ + double f = t - (double) calc_timeout_sec (t); + if (f < 0.0) + return 0; + else if (f >= 0.999999999) + return 999999999; + else + return (unsigned int) (f * 1.0e9); +} static int fuse_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, @@ -363,13 +459,14 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, inode_t *inode, struct stat *buf) { fuse_state_t *state = NULL; - fuse_req_t req = NULL; - struct fuse_entry_param e = {0, }; + fuse_in_header_t *finh = NULL; + struct fuse_entry_out feo = {0, }; + struct fuse_attr_out *fao = NULL; fuse_private_t *priv = NULL; priv = this->private; state = frame->root->state; - req = state->req; + finh = state->finh; if (!op_ret && state->loc.ino == 1) { buf->st_ino = 1; @@ -391,7 +488,7 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => %"PRId64" (%"PRId64")", + "%"PRIu64": %s() %s => %"PRId64" (%"PRId64")", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, buf->st_ino, state->loc.ino); @@ -399,38 +496,56 @@ fuse_entry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, inode_lookup (inode); - /* TODO: make these timeouts configurable (via meta?) */ - e.ino = inode->ino; - -#ifdef GF_DARWIN_HOST_OS - e.generation = 0; -#else - e.generation = buf->st_ctime; -#endif - buf->st_blksize = this->ctx->page_size; - e.entry_timeout = priv->entry_timeout; - e.attr_timeout = priv->attribute_timeout; - e.attr = *buf; + stat2attr (buf, &feo.attr); - if (!e.ino || !buf->st_ino) { + if (!inode->ino || !buf->st_ino) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s() %s returning inode 0", + "%"PRIu64": %s() %s returning inode 0", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path); } - if (state->loc.parent) - fuse_reply_entry (req, &e); - else - fuse_reply_attr (req, buf, priv->attribute_timeout); + if (state->loc.parent) { + /* TODO: make these timeouts configurable (via meta?) */ + feo.nodeid = inode->ino; + +#ifdef GF_DARWIN_HOST_OS + feo.generation = 0; +#else + feo.generation = buf->st_ctime; +#endif + + feo.entry_valid = + calc_timeout_sec (priv->entry_timeout); + feo.entry_valid_nsec = + calc_timeout_nsec (priv->entry_timeout); + feo.attr_valid = + calc_timeout_sec (priv->attribute_timeout); + feo.attr_valid_nsec = + calc_timeout_nsec (priv->attribute_timeout); + + send_fuse_obj (this, finh, &feo); + } else { + /* Refurbish the entry_out as attr_out. Too hacky?... */ + fao = (struct fuse_attr_out *) + ((char *)&feo.attr - + offsetof (struct fuse_attr_out, attr)); + + fao->attr_valid = + calc_timeout_sec (priv->attribute_timeout); + fao->attr_valid_nsec = + calc_timeout_nsec (priv->attribute_timeout); + + send_fuse_obj (this, finh, fao); + } } else { gf_log ("glusterfs-fuse", (op_errno == ENOENT ? GF_LOG_TRACE : GF_LOG_WARNING), - "%"PRId64": %s() %s => -1 (%s)", frame->root->unique, + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, state->finh, op_errno); } free_state (state); @@ -450,27 +565,29 @@ fuse_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_lookup (fuse_req_t req, fuse_ino_t par, const char *name) +fuse_lookup (xlator_t *this, fuse_in_header_t *finh, void *msg) { + char *name = msg; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": LOOKUP %"PRId64"/%s (fuse_loc_fill() failed)", - req_callid (req), (ino_t)par, name); + "%"PRIu64": LOOKUP %"PRIu64"/%s (fuse_loc_fill() failed)", + finh->unique, finh->nodeid, name); free_state (state); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); return; } if (!state->loc.inode) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": LOOKUP %s", req_callid (req), + "%"PRIu64": LOOKUP %s", finh->unique, state->loc.path); state->loc.inode = inode_new (state->itable); @@ -478,7 +595,7 @@ fuse_lookup (fuse_req_t req, fuse_ino_t par, const char *name) state->is_revalidate = -1; } else { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": LOOKUP %s(%"PRId64")", req_callid (req), + "%"PRIu64": LOOKUP %s(%"PRId64")", finh->unique, state->loc.path, state->loc.inode->ino); state->is_revalidate = 1; } @@ -491,30 +608,30 @@ fuse_lookup (fuse_req_t req, fuse_ino_t par, const char *name) static void -fuse_forget (fuse_req_t req, fuse_ino_t ino, unsigned long nlookup) +fuse_forget (xlator_t *this, fuse_in_header_t *finh, void *msg) + { - inode_t *fuse_inode; - xlator_t *this = NULL; + struct fuse_forget_in *ffi = msg; - this = fuse_req_userdata (req); + inode_t *fuse_inode; - if (ino == 1) { - fuse_reply_none (req); + if (finh->nodeid == 1) { + FREE (finh); return; } - fuse_inode = inode_search (this->itable, ino, NULL); + fuse_inode = inode_search (this->itable, finh->nodeid, NULL); if (fuse_inode) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "got forget on inode (%lu)", ino); - inode_forget (fuse_inode, nlookup); + "got forget on inode (%"PRIu64")", finh->nodeid); + inode_forget (fuse_inode, ffi->nlookup); inode_unref (fuse_inode); } else { gf_log ("glusterfs-fuse", GF_LOG_DEBUG, - "got forget, but inode (%lu) not found", ino); + "got forget, but inode (%"PRIu64") not found", finh->nodeid); } - fuse_reply_none (req); + FREE (finh); } @@ -522,17 +639,18 @@ static int fuse_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct stat *buf) { - fuse_state_t *state; - fuse_req_t req; - fuse_private_t *priv = NULL; + fuse_state_t *state; + fuse_in_header_t *finh; + fuse_private_t *priv = NULL; + struct fuse_attr_out fao; priv = this->private; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => %"PRId64, frame->root->unique, + "%"PRIu64": %s() %s => %"PRId64, frame->root->unique, gf_fop_list[frame->root->op], state->loc.path ? state->loc.path : "ERR", buf->st_ino); @@ -540,16 +658,21 @@ fuse_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, /* TODO: make these timeouts configurable via meta */ /* TODO: what if the inode number has changed by now */ buf->st_blksize = this->ctx->page_size; + stat2attr (buf, &fao.attr); + + fao.attr_valid = calc_timeout_sec (priv->attribute_timeout); + fao.attr_valid_nsec = + calc_timeout_nsec (priv->attribute_timeout); - fuse_reply_attr (req, buf, priv->attribute_timeout); + send_fuse_obj (this, finh, &fao); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s() %s => -1 (%s)", frame->root->unique, + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path ? state->loc.path : "ERR", strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -559,21 +682,21 @@ fuse_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_getattr (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) +fuse_getattr (xlator_t *this, fuse_in_header_t *finh, void *msg) { fuse_state_t *state; fd_t *fd = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - if (ino == 1) { - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + if (finh->nodeid == 1) { + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": GETATTR %"PRId64" (fuse_loc_fill() failed)", - req_callid (req), (ino_t)ino); - fuse_reply_err (req, ENOENT); + "%"PRIu64": GETATTR %"PRIu64" (fuse_loc_fill() failed)", + finh->unique, finh->nodeid); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } @@ -590,17 +713,17 @@ fuse_getattr (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) return; } - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if (!state->loc.inode) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": GETATTR %"PRId64" (%s) (fuse_loc_fill() returned NULL inode)", - req_callid (req), (int64_t)ino, state->loc.path); - fuse_reply_err (req, ENOENT); + "%"PRIu64": GETATTR %"PRIu64" (%s) (fuse_loc_fill() returned NULL inode)", + finh->unique, finh->nodeid, state->loc.path); + send_fuse_err (this, finh, ENOENT); return; } - fd = fd_lookup (state->loc.inode, get_pid_from_req (req)); + fd = fd_lookup (state->loc.inode, finh->pid); state->fd = fd; if (!fd || S_ISDIR (state->loc.inode->st_mode)) { /* this is the @ret of fuse_loc_fill, checked here @@ -608,16 +731,16 @@ fuse_getattr (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) */ if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": GETATTR %"PRId64" (fuse_loc_fill() failed)", - req_callid (req), (ino_t)ino); - fuse_reply_err (req, ENOENT); + "%"PRIu64": GETATTR %"PRIu64" (fuse_loc_fill() failed)", + finh->unique, finh->nodeid); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": GETATTR %"PRId64" (%s)", - req_callid (req), (int64_t)ino, state->loc.path); + "%"PRIu64": GETATTR %"PRIu64" (%s)", + finh->unique, finh->nodeid, state->loc.path); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_STAT, @@ -625,8 +748,8 @@ fuse_getattr (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) } else { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": FGETATTR %"PRId64" (%s/%p)", - req_callid (req), (int64_t)ino, state->loc.path, fd); + "%"PRIu64": FGETATTR %"PRIu64" (%s/%p)", + finh->unique, finh->nodeid, state->loc.path, fd); FUSE_FOP (state,fuse_attr_cbk, GF_FOP_FSTAT, fstat, fd); @@ -639,30 +762,30 @@ fuse_fd_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd) { fuse_state_t *state; - fuse_req_t req; + fuse_in_header_t *finh; fuse_private_t *priv = NULL; - struct fuse_file_info fi = {0, }; + struct fuse_open_out foo = {0, }; priv = this->private; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret >= 0) { - fi.fh = (unsigned long) fd; - fi.flags = state->flags; + foo.fh = (uintptr_t) fd; + foo.open_flags = 0; if (!S_ISDIR (fd->inode->st_mode)) { - if (((fi.flags & O_ACCMODE) != O_RDONLY) && + if (((state->flags & O_ACCMODE) != O_RDONLY) && priv->direct_io_mode) - fi.direct_io = 1; + foo.open_flags |= FOPEN_DIRECT_IO; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => %p", frame->root->unique, + "%"PRIu64": %s() %s => %p", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, fd); fd_ref (fd); - if (fuse_reply_open (req, &fi) == -ENOENT) { + if (send_fuse_obj (this, finh, &foo) == ENOENT) { gf_log ("glusterfs-fuse", GF_LOG_DEBUG, "open(%s) got EINTR", state->loc.path); fd_unref (fd); @@ -672,11 +795,11 @@ fuse_fd_cbk (call_frame_t *frame, void *cookie, xlator_t *this, fd_bind (fd); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s() %s => -1 (%s)", frame->root->unique, + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } out: free_state (state); @@ -686,53 +809,51 @@ out: static void -do_chmod (fuse_req_t req, fuse_ino_t ino, struct stat *attr, - struct fuse_file_info *fi) +do_chmod (xlator_t *this, fuse_in_header_t *finh, struct fuse_setattr_in *fsi) { fuse_state_t *state = NULL; fd_t *fd = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - if (fi) { - fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + if (fsi->valid & FATTR_FH) { + fd = FH_TO_FD (fsi->fh); state->fd = fd; } if (fd) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": FCHMOD %p", req_callid (req), fd); + "%"PRIu64": FCHMOD %p", finh->unique, fd); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_FCHMOD, - fchmod, fd, attr->st_mode); + fchmod, fd, fsi->mode); } else { - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": CHMOD %"PRId64" (%s) (fuse_loc_fill() failed)", - req_callid (req), (int64_t)ino, + "%"PRIu64": CHMOD %"PRIu64" (%s) (fuse_loc_fill() failed)", + finh->unique, finh->nodeid, state->loc.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": CHMOD %s", req_callid (req), + "%"PRIu64": CHMOD %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_CHMOD, - chmod, &state->loc, attr->st_mode); + chmod, &state->loc, fsi->mode); } } static void -do_chown (fuse_req_t req, fuse_ino_t ino, struct stat *attr, - int valid, struct fuse_file_info *fi) +do_chown (xlator_t *this, fuse_in_header_t *finh, struct fuse_setattr_in *fsi) { fuse_state_t *state = NULL; fd_t *fd = NULL; @@ -740,36 +861,36 @@ do_chown (fuse_req_t req, fuse_ino_t ino, struct stat *attr, uid_t uid = 0; gid_t gid = 0; - uid = (valid & FUSE_SET_ATTR_UID) ? attr->st_uid : (uid_t) -1; - gid = (valid & FUSE_SET_ATTR_GID) ? attr->st_gid : (gid_t) -1; - STATE_FROM_REQ (req, state); + uid = (fsi->valid & FATTR_UID) ? fsi->uid : (uid_t) -1; + gid = (fsi->valid & FATTR_GID) ? fsi->gid : (gid_t) -1; + GET_STATE (this, finh, state); - if (fi) { - fd = FI_TO_FD (fi); + if (fsi->valid & FATTR_FH) { + fd = FH_TO_FD (fsi->fh); state->fd = fd; } if (fd) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": FCHOWN %p", req_callid (req), fd); + "%"PRIu64": FCHOWN %p", finh->unique, fd); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_FCHOWN, fchown, fd, uid, gid); } else { - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": CHOWN %"PRId64" (%s) (fuse_loc_fill() failed)", - req_callid (req), (int64_t)ino, + "%"PRIu64": CHOWN %"PRIu64" (%s) (fuse_loc_fill() failed)", + finh->unique, finh->nodeid, state->loc.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": CHOWN %s", req_callid (req), + "%"PRIu64": CHOWN %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_CHOWN, @@ -779,47 +900,46 @@ do_chown (fuse_req_t req, fuse_ino_t ino, struct stat *attr, static void -do_truncate (fuse_req_t req, fuse_ino_t ino, struct stat *attr, - struct fuse_file_info *fi) +do_truncate (xlator_t *this, fuse_in_header_t *finh, struct fuse_setattr_in *fsi) { fuse_state_t *state = NULL; fd_t *fd = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - if (fi) { - fd = FI_TO_FD (fi); + if (fsi->valid & FATTR_FH) { + fd = FH_TO_FD (fsi->fh); state->fd = fd; } if (fd) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": FTRUNCATE %p/%"PRId64, req_callid (req), - fd, attr->st_size); + "%"PRIu64": FTRUNCATE %p/%"PRId64, finh->unique, + fd, fsi->size); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_FTRUNCATE, - ftruncate, fd, attr->st_size); + ftruncate, fd, fsi->size); } else { - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": TRUNCATE %s/%"PRId64" (fuse_loc_fill() failed)", - req_callid (req), state->loc.path, - attr->st_size); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path, + fsi->size); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": TRUNCATE %s/%"PRId64"(%lu)", - req_callid (req), - state->loc.path, attr->st_size, ino); + "%"PRIu64": TRUNCATE %s/%"PRId64"(%"PRIu64")", + finh->unique, + state->loc.path, fsi->size, finh->nodeid); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_TRUNCATE, - truncate, &state->loc, attr->st_size); + truncate, &state->loc, fsi->size); } return; @@ -827,32 +947,32 @@ do_truncate (fuse_req_t req, fuse_ino_t ino, struct stat *attr, static void -do_utimes (fuse_req_t req, fuse_ino_t ino, struct stat *attr) +do_utimes (xlator_t *this, fuse_in_header_t *finh, struct fuse_setattr_in *fsi) { fuse_state_t *state = NULL; struct timespec tv[2]; int32_t ret = -1; - tv[0].tv_sec = attr->st_atime; - tv[0].tv_nsec = ST_ATIM_NSEC (attr); - tv[1].tv_sec = attr->st_mtime; - tv[1].tv_nsec = ST_ATIM_NSEC (attr); + tv[0].tv_sec = fsi->atime; + tv[0].tv_nsec = fsi->atimensec; + tv[1].tv_sec = fsi->mtime; + tv[1].tv_nsec = fsi->mtimensec; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": UTIMENS %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": UTIMENS (%lu)%s", req_callid (req), - ino, state->loc.path); + "%"PRIu64": UTIMENS (%"PRIu64")%s", finh->unique, + finh->nodeid, state->loc.path); FUSE_FOP (state, fuse_attr_cbk, GF_FOP_UTIMENS, utimens, &state->loc, tv); @@ -860,20 +980,24 @@ do_utimes (fuse_req_t req, fuse_ino_t ino, struct stat *attr) static void -fuse_setattr (fuse_req_t req, fuse_ino_t ino, struct stat *attr, - int valid, struct fuse_file_info *fi) -{ - - if (valid & FUSE_SET_ATTR_MODE) - do_chmod (req, ino, attr, fi); - else if (valid & (FUSE_SET_ATTR_UID | FUSE_SET_ATTR_GID)) - do_chown (req, ino, attr, valid, fi); - else if (valid & FUSE_SET_ATTR_SIZE) - do_truncate (req, ino, attr, fi); - else if (valid & (FUSE_SET_ATTR_ATIME | FUSE_SET_ATTR_MTIME)) - do_utimes (req, ino, attr); +fuse_setattr (xlator_t *this, fuse_in_header_t *finh, void *msg) +{ + struct fuse_setattr_in *fsi = msg; + + if (fsi->valid & FATTR_MODE) + do_chmod (this, finh, fsi); + else if (fsi->valid & (FATTR_UID | FATTR_GID)) + do_chown (this, finh, fsi); + else if (fsi->valid & FATTR_SIZE) + do_truncate (this, finh, fsi); + else if (fsi->valid & (FATTR_ATIME | FATTR_MTIME)) + do_utimes (this, finh, fsi); else - fuse_getattr (req, ino, fi); + /* As of now, getattr uses only the header. + * If it happens to change, we'll have to + * do some refactoring... + */ + fuse_getattr (this, finh, NULL); } @@ -884,15 +1008,15 @@ fuse_err_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { fuse_state_t *state = frame->root->state; - fuse_req_t req = state->req; + fuse_in_header_t *finh = state->finh; if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => 0", frame->root->unique, + "%"PRIu64": %s() %s => 0", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path ? state->loc.path : "ERR"); - fuse_reply_err (req, 0); + send_fuse_err (this, finh, 0); } else { if (frame->root->op == GF_FOP_SETXATTR) { op_ret = gf_compat_setxattr (state->dict); @@ -913,7 +1037,7 @@ fuse_err_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto nolog; } gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s() %s => -1 (%s)", + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path ? state->loc.path : "ERR", @@ -921,7 +1045,7 @@ fuse_err_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } nolog: - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -935,11 +1059,11 @@ static int fuse_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { - fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_state_t *state = NULL; + fuse_in_header_t *finh = NULL; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret == 0) inode_unlink (state->loc.inode, state->loc.parent, @@ -947,18 +1071,18 @@ fuse_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => 0", frame->root->unique, + "%"PRIu64": %s() %s => 0", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path); - fuse_reply_err (req, 0); + send_fuse_err (this, finh, 0); } else { gf_log ("glusterfs-fuse", op_errno == ENOTEMPTY ? GF_LOG_DEBUG : GF_LOG_WARNING, - "%"PRId64": %s() %s => -1 (%s)", frame->root->unique, + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -969,31 +1093,33 @@ fuse_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_access (fuse_req_t req, fuse_ino_t ino, int mask) +fuse_access (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_access_in *fai = msg; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": ACCESS %"PRId64" (%s) (fuse_loc_fill() failed)", - req_callid (req), (int64_t)ino, state->loc.path); - fuse_reply_err (req, ENOENT); + "%"PRIu64": ACCESS %"PRIu64" (%s) (fuse_loc_fill() failed)", + finh->unique, finh->nodeid, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64" ACCESS %s/%lu mask=%d", req_callid (req), - state->loc.path, ino, mask); + "%"PRIu64" ACCESS %s/%"PRIu64" mask=%d", finh->unique, + state->loc.path, finh->nodeid, fai->mask); FUSE_FOP (state, fuse_err_cbk, GF_FOP_ACCESS, access, - &state->loc, mask); + &state->loc, fai->mask); return; } @@ -1003,26 +1129,26 @@ static int fuse_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, const char *linkname) { - fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_state_t *state = NULL; + fuse_in_header_t *finh = NULL; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret > 0) { ((char *)linkname)[op_ret] = '\0'; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s => %s", frame->root->unique, + "%"PRIu64": %s => %s", frame->root->unique, state->loc.path, linkname); - fuse_reply_readlink (req, linkname); + send_fuse_data (this, finh, (void *)linkname, op_ret + 1); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s => -1 (%s)", frame->root->unique, + "%"PRIu64": %s => -1 (%s)", frame->root->unique, state->loc.path, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -1033,26 +1159,26 @@ fuse_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_readlink (fuse_req_t req, fuse_ino_t ino) +fuse_readlink (xlator_t *this, fuse_in_header_t *finh, void *msg) { fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64" READLINK %s/%"PRId64" (fuse_loc_fill() returned NULL inode)", - req_callid (req), state->loc.path, + finh->unique, state->loc.path, state->loc.inode->ino); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64" READLINK %s/%"PRId64, req_callid (req), + "%"PRIu64" READLINK %s/%"PRId64, finh->unique, state->loc.path, state->loc.inode->ino); FUSE_FOP (state, fuse_readlink_cbk, GF_FOP_READLINK, @@ -1063,19 +1189,21 @@ fuse_readlink (fuse_req_t req, fuse_ino_t ino) static void -fuse_mknod (fuse_req_t req, fuse_ino_t par, const char *name, - mode_t mode, dev_t rdev) +fuse_mknod (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_mknod_in *fmi = msg; + char *name = (char *)(fmi + 1); + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64" MKNOD %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } @@ -1083,29 +1211,32 @@ fuse_mknod (fuse_req_t req, fuse_ino_t par, const char *name, state->loc.inode = inode_new (state->itable); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": MKNOD %s", req_callid (req), + "%"PRIu64": MKNOD %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_entry_cbk, GF_FOP_MKNOD, - mknod, &state->loc, mode, rdev); + mknod, &state->loc, fmi->mode, fmi->rdev); return; } static void -fuse_mkdir (fuse_req_t req, fuse_ino_t par, const char *name, mode_t mode) +fuse_mkdir (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_mknod_in *fmi = msg; + char *name = (char *)(fmi + 1); + fuse_state_t *state; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64" MKDIR %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } @@ -1113,38 +1244,40 @@ fuse_mkdir (fuse_req_t req, fuse_ino_t par, const char *name, mode_t mode) state->loc.inode = inode_new (state->itable); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": MKDIR %s", req_callid (req), + "%"PRIu64": MKDIR %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_entry_cbk, GF_FOP_MKDIR, - mkdir, &state->loc, mode); + mkdir, &state->loc, fmi->mode); return; } static void -fuse_unlink (fuse_req_t req, fuse_ino_t par, const char *name) +fuse_unlink (xlator_t *this, fuse_in_header_t *finh, void *msg) { + char *name = msg; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": UNLINK %s (fuse_loc_fill() returned NULL inode)", - req_callid (req), state->loc.path); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": UNLINK %s", req_callid (req), + "%"PRIu64": UNLINK %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_unlink_cbk, GF_FOP_UNLINK, @@ -1155,25 +1288,27 @@ fuse_unlink (fuse_req_t req, fuse_ino_t par, const char *name) static void -fuse_rmdir (fuse_req_t req, fuse_ino_t par, const char *name) +fuse_rmdir (xlator_t *this, fuse_in_header_t *finh, void *msg) { + char *name = msg; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": RMDIR %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": RMDIR %s", req_callid (req), + "%"PRIu64": RMDIR %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_unlink_cbk, GF_FOP_RMDIR, @@ -1184,19 +1319,21 @@ fuse_rmdir (fuse_req_t req, fuse_ino_t par, const char *name) static void -fuse_symlink (fuse_req_t req, const char *linkname, fuse_ino_t par, - const char *name) +fuse_symlink (xlator_t *this, fuse_in_header_t *finh, void *msg) { + char *name = msg; + char *linkname = name + strlen (name) + 1; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64" SYMLINK %s -> %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path, linkname); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path, linkname); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } @@ -1204,7 +1341,7 @@ fuse_symlink (fuse_req_t req, const char *linkname, fuse_ino_t par, state->loc.inode = inode_new (state->itable); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": SYMLINK %s -> %s", req_callid (req), + "%"PRIu64": SYMLINK %s -> %s", finh->unique, state->loc.path, linkname); FUSE_FOP (state, fuse_entry_cbk, GF_FOP_SYMLINK, @@ -1218,15 +1355,15 @@ int fuse_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct stat *buf) { - fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_state_t *state = NULL; + fuse_in_header_t *finh = NULL; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s -> %s => 0 (buf->st_ino=%"PRId64" , loc->ino=%"PRId64")", + "%"PRIu64": %s -> %s => 0 (buf->st_ino=%"PRId64" , loc->ino=%"PRId64")", frame->root->unique, state->loc.path, state->loc2.path, buf->st_ino, state->loc.ino); @@ -1244,13 +1381,13 @@ fuse_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, state->loc2.parent, state->loc2.name, state->loc.inode, buf); - fuse_reply_err (req, 0); + send_fuse_err (this, finh, 0); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s -> %s => -1 (%s)", frame->root->unique, + "%"PRIu64": %s -> %s => -1 (%s)", frame->root->unique, state->loc.path, state->loc2.path, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -1260,42 +1397,45 @@ fuse_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_rename (fuse_req_t req, fuse_ino_t oldpar, const char *oldname, - fuse_ino_t newpar, const char *newname) +fuse_rename (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_rename_in *fri = msg; + char *oldname = (char *)(fri + 1); + char *newname = oldname + strlen (oldname) + 1; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - ret = fuse_loc_fill (&state->loc, state, 0, oldpar, oldname); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, oldname); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "for %s %"PRIu64": RENAME `%s' -> `%s' (fuse_loc_fill() failed)", - state->loc.path, req_callid (req), state->loc.path, + state->loc.path, finh->unique, state->loc.path, state->loc2.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } - ret = fuse_loc_fill (&state->loc2, state, 0, newpar, newname); + ret = fuse_loc_fill (&state->loc2, state, 0, fri->newdir, newname); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "for %s %"PRIu64": RENAME `%s' -> `%s' (fuse_loc_fill() failed)", - state->loc.path, req_callid (req), state->loc.path, + state->loc.path, finh->unique, state->loc.path, state->loc2.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, "%"PRIu64": RENAME `%s (%"PRId64")' -> `%s (%"PRId64")'", - req_callid (req), state->loc.path, state->loc.ino, + finh->unique, state->loc.path, state->loc.ino, state->loc2.path, state->loc2.ino); FUSE_FOP (state, fuse_rename_cbk, GF_FOP_RENAME, @@ -1306,24 +1446,28 @@ fuse_rename (fuse_req_t req, fuse_ino_t oldpar, const char *oldname, static void -fuse_link (fuse_req_t req, fuse_ino_t ino, fuse_ino_t par, const char *name) +fuse_link (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_link_in *fli = msg; + char *name = (char *)(fli + 1); + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if (ret == 0) - ret = fuse_loc_fill (&state->loc2, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc2, state, fli->oldnodeid, 0, + NULL); if ((state->loc2.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "fuse_loc_fill() failed for %s %"PRIu64": LINK %s %s", - state->loc2.path, req_callid (req), + state->loc2.path, finh->unique, state->loc2.path, state->loc.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } @@ -1331,7 +1475,7 @@ fuse_link (fuse_req_t req, fuse_ino_t ino, fuse_ino_t par, const char *name) state->loc.inode = inode_ref (state->loc2.inode); gf_log ("glusterfs-fuse", GF_LOG_TRACE, "%"PRIu64": LINK() %s (%"PRId64") -> %s (%"PRId64")", - req_callid (req), state->loc2.path, state->loc2.ino, + finh->unique, state->loc2.path, state->loc2.ino, state->loc.path, state->loc.ino); FUSE_FOP (state, fuse_entry_cbk, GF_FOP_LINK, @@ -1347,42 +1491,46 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, fd_t *fd, inode_t *inode, struct stat *buf) { fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_in_header_t *finh = NULL; fuse_private_t *priv = NULL; - struct fuse_file_info fi = {0, }; - struct fuse_entry_param e = {0, }; + struct fuse_out_header fouh = {0, }; + struct fuse_entry_out feo = {0, }; + struct fuse_open_out foo = {0, }; + struct iovec iov_out[3]; state = frame->root->state; priv = this->private; - req = state->req; - fi.flags = state->flags; + finh = state->finh; + foo.open_flags = 0; if (op_ret >= 0) { - fi.fh = (unsigned long) fd; + foo.fh = (uintptr_t) fd; - if (((fi.flags & O_ACCMODE) != O_RDONLY) - && priv->direct_io_mode) - fi.direct_io = 1; + if (((state->flags & O_ACCMODE) != O_RDONLY) && + priv->direct_io_mode) + foo.open_flags |= FOPEN_DIRECT_IO; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => %p (ino=%"PRId64")", + "%"PRIu64": %s() %s => %p (ino=%"PRId64")", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, fd, buf->st_ino); - e.ino = buf->st_ino; + buf->st_blksize = this->ctx->page_size; + stat2attr (buf, &feo.attr); + + feo.nodeid = buf->st_ino; #ifdef GF_DARWIN_HOST_OS - e.generation = 0; + feo.generation = 0; #else - e.generation = buf->st_ctime; + feo.generation = buf->st_ctime; #endif - buf->st_blksize = this->ctx->page_size; - e.entry_timeout = priv->entry_timeout; - e.attr_timeout = priv->attribute_timeout; - e.attr = *buf; - - fi.keep_cache = 0; + feo.entry_valid = calc_timeout_sec (priv->entry_timeout); + feo.entry_valid_nsec = calc_timeout_nsec (priv->entry_timeout); + feo.attr_valid = calc_timeout_sec (priv->attribute_timeout); + feo.attr_valid_nsec = + calc_timeout_nsec (priv->attribute_timeout); inode_link (inode, state->loc.parent, state->loc.name, buf); @@ -1390,7 +1538,14 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, inode_lookup (inode); fd_ref (fd); - if (fuse_reply_create (req, &e, &fi) == -ENOENT) { + + fouh.error = 0; + iov_out[0].iov_base = &fouh; + iov_out[1].iov_base = &feo; + iov_out[1].iov_len = sizeof (feo); + iov_out[2].iov_base = &foo; + iov_out[2].iov_len = sizeof (foo); + if (send_fuse_iov (this, finh, iov_out, 3) == ENOENT) { gf_log ("glusterfs-fuse", GF_LOG_DEBUG, "create(%s) got EINTR", state->loc.path); inode_forget (inode, 1); @@ -1401,9 +1556,9 @@ fuse_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, fd_bind (fd); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": %s => -1 (%s)", req_callid (req), + "%"PRIu64": %s => -1 (%s)", finh->unique, state->loc.path, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } out: free_state (state); @@ -1414,75 +1569,79 @@ out: static void -fuse_create (fuse_req_t req, fuse_ino_t par, const char *name, - mode_t mode, struct fuse_file_info *fi) +fuse_create (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_open_in *foi = msg; + char *name = (char *)(foi + 1); + fuse_state_t *state = NULL; fd_t *fd = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - state->flags = fi->flags; + GET_STATE (this, finh, state); + state->flags = foi->flags; - ret = fuse_loc_fill (&state->loc, state, 0, par, name); + ret = fuse_loc_fill (&state->loc, state, 0, finh->nodeid, name); if (ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64" CREATE %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); - fuse_reply_err (req, ENOENT); + finh->unique, state->loc.path); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } state->loc.inode = inode_new (state->itable); - fd = fd_create (state->loc.inode, get_pid_from_req (req)); + fd = fd_create (state->loc.inode, finh->pid); state->fd = fd; fd->flags = state->flags; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": CREATE %s", req_callid (req), + "%"PRIu64": CREATE %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_create_cbk, GF_FOP_CREATE, - create, &state->loc, state->flags, mode, fd); + create, &state->loc, state->flags, foi->mode, fd); return; } static void -fuse_open (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) +fuse_open (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_open_in *foi = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - state->flags = fi->flags; + GET_STATE (this, finh, state); + state->flags = foi->flags; - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": OPEN %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); + finh->unique, state->loc.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } - fd = fd_create (state->loc.inode, get_pid_from_req (req)); + fd = fd_create (state->loc.inode, finh->pid); state->fd = fd; - fd->flags = fi->flags; + fd->flags = foi->flags; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": OPEN %s", req_callid (req), + "%"PRIu64": OPEN %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_fd_cbk, GF_FOP_OPEN, - open, &state->loc, fi->flags, fd); + open, &state->loc, foi->flags, fd); return; } @@ -1495,28 +1654,34 @@ fuse_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, struct stat *stbuf, struct iobref *iobref) { fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_in_header_t *finh = NULL; + struct fuse_out_header fouh = {0, }; + struct iovec *iov_out = NULL; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret >= 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": READ => %d/%"GF_PRI_SIZET",%"PRId64"/%"PRId64, + "%"PRIu64": READ => %d/%"GF_PRI_SIZET",%"PRId64"/%"PRId64, frame->root->unique, op_ret, state->size, state->off, stbuf->st_size); -#ifdef HAVE_FUSE_REPLY_IOV - fuse_reply_iov (req, vector, count); -#else - fuse_reply_vec (req, vector, count); -#endif + iov_out = CALLOC (count + 1, sizeof (*iov_out)); + if (iov_out) { + fouh.error = 0; + iov_out[0].iov_base = &fouh; + memcpy (iov_out + 1, vector, count * sizeof (*iov_out)); + send_fuse_iov (this, finh, iov_out, count + 1); + FREE (iov_out); + } else + send_fuse_err (this, finh, ENOMEM); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": READ => %d (%s)", frame->root->unique, + "%"PRIu64": READ => %d (%s)", frame->root->unique, op_ret, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -1527,25 +1692,26 @@ fuse_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_readv (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, - struct fuse_file_info *fi) +fuse_readv (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_read_in *fri = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; - STATE_FROM_REQ (req, state); - state->size = size; - state->off = off; + GET_STATE (this, finh, state); + state->size = fri->size; + state->off = fri->offset; - fd = FI_TO_FD (fi); + fd = FH_TO_FD (fri->fh); state->fd = fd; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": READ (%p, size=%"GF_PRI_SIZET", offset=%"PRId64")", - req_callid (req), fd, size, off); + "%"PRIu64": READ (%p, size=%"PRIu32", offset=%"PRIu64")", + finh->unique, fd, fri->size, fri->offset); FUSE_FOP (state, fuse_readv_cbk, GF_FOP_READ, - readv, fd, size, off); + readv, fd, fri->size, fri->offset); } @@ -1556,24 +1722,26 @@ fuse_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, struct stat *stbuf) { fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_in_header_t *finh = NULL; + struct fuse_write_out fwo = {0, }; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret >= 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": WRITE => %d/%"GF_PRI_SIZET",%"PRId64"/%"PRId64, + "%"PRIu64": WRITE => %d/%"GF_PRI_SIZET",%"PRId64"/%"PRId64, frame->root->unique, op_ret, state->size, state->off, stbuf->st_size); - fuse_reply_write (req, op_ret); + fwo.size = op_ret; + send_fuse_obj (this, finh, &fwo); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": WRITE => -1 (%s)", frame->root->unique, + "%"PRIu64": WRITE => -1 (%s)", frame->root->unique, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -1584,33 +1752,34 @@ fuse_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_write (fuse_req_t req, fuse_ino_t ino, const char *buf, - size_t size, off_t off, - struct fuse_file_info *fi) +fuse_write (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_write_in *fwi = msg; + char *buf = (char *)(fwi + 1); + fuse_state_t *state = NULL; struct iovec vector; fd_t *fd = NULL; struct iobref *iobref = NULL; struct iobuf *iobuf = NULL; - STATE_FROM_REQ (req, state); - state->size = size; - state->off = off; - fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + state->size = fwi->size; + state->off = fwi->offset; + fd = FH_TO_FD (fwi->fh); state->fd = fd; vector.iov_base = (void *)buf; - vector.iov_len = size; + vector.iov_len = fwi->size; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": WRITE (%p, size=%"GF_PRI_SIZET", offset=%"PRId64")", - req_callid (req), fd, size, off); + "%"PRIu64": WRITE (%p, size=%"PRIu32", offset=%"PRId64")", + finh->unique, fd, fwi->size, fwi->offset); iobref = iobref_new (); if (!iobref) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "%"PRIu64": WRITE iobref allocation failed", - req_callid (req)); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "%"PRIu64": WRITE iobref allocation failed", + finh->unique); free_state (state); return; @@ -1619,7 +1788,7 @@ fuse_write (fuse_req_t req, fuse_ino_t ino, const char *buf, iobref_add (iobref, iobuf); FUSE_FOP (state, fuse_writev_cbk, GF_FOP_WRITE, - writev, fd, &vector, 1, off, iobref); + writev, fd, &vector, 1, fwi->offset, iobref); iobref_unref (iobref); return; @@ -1627,17 +1796,19 @@ fuse_write (fuse_req_t req, fuse_ino_t ino, const char *buf, static void -fuse_flush (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) +fuse_flush (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_flush_in *ffi = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; - STATE_FROM_REQ (req, state); - fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + fd = FH_TO_FD (ffi->fh); state->fd = fd; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": FLUSH %p", req_callid (req), fd); + "%"PRIu64": FLUSH %p", finh->unique, fd); FUSE_FOP (state, fuse_err_cbk, GF_FOP_FLUSH, flush, fd); @@ -1647,19 +1818,21 @@ fuse_flush (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) static void -fuse_release (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) +fuse_release (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_release_in *fri = msg; + fuse_state_t *state = NULL; - STATE_FROM_REQ (req, state); - state->fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + state->fd = FH_TO_FD (fri->fh); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": RELEASE %p", req_callid (req), state->fd); + "%"PRIu64": RELEASE %p", finh->unique, state->fd); fd_unref (state->fd); - fuse_reply_err (req, 0); + send_fuse_err (this, finh, 0); free_state (state); return; @@ -1667,51 +1840,57 @@ fuse_release (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) static void -fuse_fsync (fuse_req_t req, fuse_ino_t ino, int datasync, - struct fuse_file_info *fi) +fuse_fsync (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_fsync_in *fsi = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; - STATE_FROM_REQ (req, state); - fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + fd = FH_TO_FD (fsi->fh); state->fd = fd; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": FSYNC %p", req_callid (req), fd); + "%"PRIu64": FSYNC %p", finh->unique, fd); + /* fsync_flags: 1 means "datasync" (no defines for this) */ FUSE_FOP (state, fuse_err_cbk, GF_FOP_FSYNC, - fsync, fd, datasync); + fsync, fd, fsi->fsync_flags & 1); return; } static void -fuse_opendir (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) +fuse_opendir (xlator_t *this, fuse_in_header_t *finh, void *msg) { + /* + struct fuse_open_in *foi = msg; + */ + fuse_state_t *state = NULL; fd_t *fd = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": OPENDIR %s (fuse_loc_fill() failed)", - req_callid (req), state->loc.path); + finh->unique, state->loc.path); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } - fd = fd_create (state->loc.inode, get_pid_from_req (req)); + fd = fd_create (state->loc.inode, finh->pid); state->fd = fd; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": OPENDIR %s", req_callid (req), + "%"PRIu64": OPENDIR %s", finh->unique, state->loc.path); FUSE_FOP (state, fuse_fd_cbk, GF_FOP_OPENDIR, @@ -1724,53 +1903,54 @@ fuse_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) { fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_in_header_t *finh = NULL; int size = 0; - int entry_size = 0; char *buf = NULL; gf_dirent_t *entry = NULL; - struct stat stbuf = {0, }; + struct fuse_dirent *fde = NULL; state = frame->root->state; - req = state->req; + finh = state->finh; if (op_ret < 0) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": READDIR => -1 (%s)", frame->root->unique, + "%"PRIu64": READDIR => -1 (%s)", frame->root->unique, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); goto out; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": READDIR => %d/%"GF_PRI_SIZET",%"PRId64, + "%"PRIu64": READDIR => %d/%"GF_PRI_SIZET",%"PRId64, frame->root->unique, op_ret, state->size, state->off); list_for_each_entry (entry, &entries->list, list) { - size += fuse_dirent_size (strlen (entry->d_name)); + size += FUSE_DIRENT_ALIGN (FUSE_NAME_OFFSET + + strlen (entry->d_name)); } buf = CALLOC (1, size); if (!buf) { gf_log ("glusterfs-fuse", GF_LOG_DEBUG, - "%"PRId64": READDIR => -1 (%s)", frame->root->unique, + "%"PRIu64": READDIR => -1 (%s)", frame->root->unique, strerror (ENOMEM)); - fuse_reply_err (req, ENOMEM); + send_fuse_err (this, finh, ENOMEM); goto out; } size = 0; list_for_each_entry (entry, &entries->list, list) { - stbuf.st_ino = entry->d_ino; - entry_size = fuse_dirent_size (strlen (entry->d_name)); - fuse_add_direntry (req, buf + size, entry_size, - entry->d_name, &stbuf, - entry->d_off); - size += entry_size; + fde = (struct fuse_dirent *)(buf + size); + fde->ino = entry->d_ino; + fde->off = entry->d_off; + fde->type = entry->d_type; + fde->namelen = strlen (entry->d_name); + strncpy (fde->name, entry->d_name, fde->namelen); + size += FUSE_DIRENT_SIZE (fde); } - fuse_reply_buf (req, (void *)buf, size); + send_fuse_data (this, finh, buf, size); out: free_state (state); @@ -1783,41 +1963,44 @@ out: static void -fuse_readdir (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, - struct fuse_file_info *fi) +fuse_readdir (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_read_in *fri = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; - STATE_FROM_REQ (req, state); - state->size = size; - state->off = off; - fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + state->size = fri->size; + state->off = fri->offset; + fd = FH_TO_FD (fri->fh); state->fd = fd; gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": READDIR (%p, size=%"GF_PRI_SIZET", offset=%"PRId64")", - req_callid (req), fd, size, off); + "%"PRIu64": READDIR (%p, size=%"PRIu32", offset=%"PRId64")", + finh->unique, fd, fri->size, fri->offset); FUSE_FOP (state, fuse_readdir_cbk, GF_FOP_READDIR, - readdir, fd, size, off); + readdir, fd, fri->size, fri->offset); } static void -fuse_releasedir (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) +fuse_releasedir (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_release_in *fri = msg; + fuse_state_t *state = NULL; - STATE_FROM_REQ (req, state); - state->fd = FI_TO_FD (fi); + GET_STATE (this, finh, state); + state->fd = FH_TO_FD (fri->fh); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": RELEASEDIR %p", req_callid (req), state->fd); + "%"PRIu64": RELEASEDIR %p", finh->unique, state->fd); fd_unref (state->fd); - fuse_reply_err (req, 0); + send_fuse_err (this, finh, 0); free_state (state); @@ -1826,19 +2009,20 @@ fuse_releasedir (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) static void -fuse_fsyncdir (fuse_req_t req, fuse_ino_t ino, int datasync, - struct fuse_file_info *fi) +fuse_fsyncdir (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_fsync_in *fsi = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; - fd = FI_TO_FD (fi); + fd = FH_TO_FD (fsi->fh); - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); state->fd = fd; FUSE_FOP (state, fuse_err_cbk, GF_FOP_FSYNCDIR, - fsyncdir, fd, datasync); + fsyncdir, fd, fsi->fsync_flags & 1); return; } @@ -1849,10 +2033,11 @@ fuse_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct statvfs *buf) { fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_in_header_t *finh = NULL; + struct fuse_statfs_out fso = {{0, }, }; state = frame->root->state; - req = state->req; + finh = state->finh; /* Filesystems (like ZFS on solaris) reports different ->f_frsize and ->f_bsize. Old coreutils @@ -1881,13 +2066,22 @@ fuse_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, buf->f_frsize = buf->f_bsize =this->ctx->page_size; #endif /* GF_DARWIN_HOST_OS */ - fuse_reply_statfs (req, buf); + fso.st.bsize = buf->f_bsize; + fso.st.frsize = buf->f_frsize; + fso.st.blocks = buf->f_blocks; + fso.st.bfree = buf->f_bfree; + fso.st.bavail = buf->f_bavail; + fso.st.files = buf->f_files; + fso.st.ffree = buf->f_ffree; + fso.st.namelen = buf->f_namemax; + + send_fuse_obj (this, finh, &fso); } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": ERR => -1 (%s)", frame->root->unique, + "%"PRIu64": ERR => -1 (%s)", frame->root->unique, strerror (op_errno)); - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } free_state (state); @@ -1898,26 +2092,26 @@ fuse_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_statfs (fuse_req_t req, fuse_ino_t ino) +fuse_statfs (xlator_t *this, fuse_in_header_t *finh, void *msg) { fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); + GET_STATE (this, finh, state); ret = fuse_loc_fill (&state->loc, state, 1, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, "%"PRIu64": STATFS (fuse_loc_fill() fail)", - req_callid (req)); + finh->unique); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": STATFS", req_callid (req)); + "%"PRIu64": STATFS", finh->unique); FUSE_FOP (state, fuse_statfs_cbk, GF_FOP_STATFS, statfs, &state->loc); @@ -1925,77 +2119,84 @@ fuse_statfs (fuse_req_t req, fuse_ino_t ino) static void -fuse_setxattr (fuse_req_t req, fuse_ino_t ino, const char *name, - const char *value, size_t size, int flags) +fuse_setxattr (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_setxattr_in *fsi = msg; + char *name = (char *)(fsi + 1); + char *value = name + strlen (name) + 1; + fuse_state_t *state = NULL; char *dict_value = NULL; int32_t ret = -1; #ifdef DISABLE_POSIX_ACL if (!strncmp (name, "system.", 7)) { - fuse_reply_err (req, EOPNOTSUPP); + send_fuse_err (this, finh, EOPNOTSUPP); return; } #endif - STATE_FROM_REQ (req, state); - state->size = size; - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + GET_STATE (this, finh, state); + state->size = fsi->size; + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": SETXATTR %s/%"PRId64" (%s) (fuse_loc_fill() failed)", - req_callid (req), - state->loc.path, (int64_t)ino, name); + "%"PRIu64": SETXATTR %s/%"PRIu64" (%s) (fuse_loc_fill() failed)", + finh->unique, + state->loc.path, finh->nodeid, name); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } state->dict = get_new_dict (); if (!state->dict) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "%"PRIu64": SETXATTR dict allocation failed", - req_callid (req)); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "%"PRIu64": SETXATTR dict allocation failed", + finh->unique); free_state (state); return; } - dict_value = memdup (value, size); + dict_value = memdup (value, fsi->size); dict_set (state->dict, (char *)name, - data_from_dynptr ((void *)dict_value, size)); + data_from_dynptr ((void *)dict_value, fsi->size)); dict_ref (state->dict); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": SETXATTR %s/%"PRId64" (%s)", req_callid (req), - state->loc.path, (int64_t)ino, name); + "%"PRIu64": SETXATTR %s/%"PRIu64" (%s)", finh->unique, + state->loc.path, finh->nodeid, name); FUSE_FOP (state, fuse_err_cbk, GF_FOP_SETXATTR, - setxattr, &state->loc, state->dict, flags); + setxattr, &state->loc, state->dict, fsi->flags); return; } static void -fuse_reply_xattr_buf (fuse_state_t *state, fuse_req_t req, const char *value, - size_t ret) +send_fuse_xattr (xlator_t *this, fuse_in_header_t *finh, const char *value, + size_t size, size_t expected) { + struct fuse_getxattr_out fgxo; + /* linux kernel limits the size of xattr value to 64k */ - if (ret > GLUSTERFS_XATTR_LEN_MAX) - fuse_reply_err (req, E2BIG); - else if (state->size) { + if (size > GLUSTERFS_XATTR_LEN_MAX) + send_fuse_err (this, finh, E2BIG); + else if (expected) { /* if callback for getxattr and asks for value */ - if (ret > state->size) + if (size > expected) /* reply would be bigger than * what was asked by kernel */ - fuse_reply_err (req, ERANGE); + send_fuse_err (this, finh, ERANGE); else - fuse_reply_buf (req, value, ret); - } else - fuse_reply_xattr (req, ret); + send_fuse_data (this, finh, (void *)value, size); + } else { + fgxo.size = size; + send_fuse_obj (this, finh, &fgxo); + } } static int @@ -2005,7 +2206,7 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int need_to_free_dict = 0; char *value = ""; fuse_state_t *state = NULL; - fuse_req_t req = NULL; + fuse_in_header_t *finh = NULL; int32_t dummy_ret = 0; data_t *value_data = NULL; fuse_private_t *priv = NULL; @@ -2019,7 +2220,7 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, priv = this->private; ret = op_ret; state = frame->root->state; - req = state->req; + finh = state->finh; dummy_ret = 0; #ifdef GF_DARWIN_HOST_OS @@ -2048,7 +2249,7 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (ret >= 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": %s() %s => %d", frame->root->unique, + "%"PRIu64": %s() %s => %d", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, op_ret); /* if successful */ @@ -2059,7 +2260,7 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, ret = value_data->len; /* Don't return the value for '\0' */ value = value_data->data; - fuse_reply_xattr_buf (state, req, value, ret); + send_fuse_xattr (this, finh, value, ret, state->size); /* if(ret >...)...else if...else */ } else if (!strcmp (state->name, "user.glusterfs-booster-volfile")) { if (!priv->volfile) { @@ -2070,7 +2271,7 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, gf_log (this->name, GF_LOG_ERROR, "fstat on fd (%d) failed (%s)", fd, strerror (errno)); - fuse_reply_err (req, ENODATA); + send_fuse_err (this, finh, ENODATA); } priv->volfile_size = st.st_size; @@ -2081,16 +2282,17 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } } - fuse_reply_xattr_buf (state, req, priv->volfile, priv->volfile_size); + send_fuse_xattr (this, finh, priv->volfile, + priv->volfile_size, state->size); /* if(ret >...)...else if...else */ } else if (!strcmp (state->name, "user.glusterfs-booster-path")) { - fuse_reply_xattr_buf (state, req, state->loc.path, - strlen (state->loc.path) + 1); + send_fuse_xattr (this, finh, state->loc.path, + strlen (state->loc.path) + 1, state->size); } else if (!strcmp (state->name, "user.glusterfs-booster-mount")) { - fuse_reply_xattr_buf (state, req, priv->mount_point, - strlen(priv->mount_point) + 1); + send_fuse_xattr (this, finh, priv->mount_point, + strlen (priv->mount_point) + 1, state->size); } else { - fuse_reply_err (req, ENODATA); + send_fuse_err (this, finh, ENODATA); } /* if(value_data)...else */ } else { /* if callback for listxattr */ @@ -2109,7 +2311,7 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, len += strlen (trav->key) + 1; trav = trav->next; } /* while(trav) */ - fuse_reply_xattr_buf (state, req, value, len); + send_fuse_xattr (this, finh, value, len, state->size); } /* if(state->name)...else */ } else { /* if failure - no need to check if listxattr or getxattr */ @@ -2126,20 +2328,20 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s() %s => -1 (%s)", + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, strerror (op_errno)); } } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": %s() %s => -1 (%s)", + "%"PRIu64": %s() %s => -1 (%s)", frame->root->unique, gf_fop_list[frame->root->op], state->loc.path, strerror (op_errno)); } /* if(op_errno!= ENODATA)...else */ - fuse_reply_err (req, op_errno); + send_fuse_err (this, finh, op_errno); } /* if(op_ret>=0)...else */ if (need_to_free_dict) @@ -2153,37 +2355,40 @@ fuse_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_getxattr (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size) +fuse_getxattr (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_getxattr_in *fgxi = msg; + char *name = (char *)(msg + 1); + fuse_state_t *state = NULL; int32_t ret = -1; #ifdef DISABLE_POSIX_ACL if (!strncmp (name, "system.", 7)) { - fuse_reply_err (req, ENODATA); + send_fuse_err (this, finh, ENODATA); return; } #endif - STATE_FROM_REQ (req, state); - state->size = size; + GET_STATE (this, finh, state); + state->size = fgxi->size; state->name = strdup (name); - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": GETXATTR %s/%"PRId64" (%s) (fuse_loc_fill() failed)", - req_callid (req), state->loc.path, (int64_t)ino, name); + "%"PRIu64": GETXATTR %s/%"PRIu64" (%s) (fuse_loc_fill() failed)", + finh->unique, state->loc.path, finh->nodeid, name); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": GETXATTR %s/%"PRId64" (%s)", req_callid (req), - state->loc.path, (int64_t)ino, name); + "%"PRIu64": GETXATTR %s/%"PRIu64" (%s)", finh->unique, + state->loc.path, finh->nodeid, name); FUSE_FOP (state, fuse_xattr_cbk, GF_FOP_GETXATTR, getxattr, &state->loc, name); @@ -2193,28 +2398,30 @@ fuse_getxattr (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size) static void -fuse_listxattr (fuse_req_t req, fuse_ino_t ino, size_t size) +fuse_listxattr (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_getxattr_in *fgxi = msg; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - state->size = size; - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + GET_STATE (this, finh, state); + state->size = fgxi->size; + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRIu64": LISTXATTR %s/%"PRId64" (fuse_loc_fill() failed)", - req_callid (req), state->loc.path, (int64_t)ino); + "%"PRIu64": LISTXATTR %s/%"PRIu64" (fuse_loc_fill() failed)", + finh->unique, state->loc.path, finh->nodeid); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": LISTXATTR %s/%"PRId64, req_callid (req), - state->loc.path, (int64_t)ino); + "%"PRIu64": LISTXATTR %s/%"PRIu64, finh->unique, + state->loc.path, finh->nodeid); FUSE_FOP (state, fuse_xattr_cbk, GF_FOP_GETXATTR, getxattr, &state->loc, NULL); @@ -2224,28 +2431,30 @@ fuse_listxattr (fuse_req_t req, fuse_ino_t ino, size_t size) static void -fuse_removexattr (fuse_req_t req, fuse_ino_t ino, const char *name) +fuse_removexattr (xlator_t *this, fuse_in_header_t *finh, void *msg) { + char *name = msg; + fuse_state_t *state = NULL; int32_t ret = -1; - STATE_FROM_REQ (req, state); - ret = fuse_loc_fill (&state->loc, state, ino, 0, NULL); + GET_STATE (this, finh, state); + ret = fuse_loc_fill (&state->loc, state, finh->nodeid, 0, NULL); if ((state->loc.inode == NULL) || (ret < 0)) { gf_log ("glusterfs-fuse", GF_LOG_DEBUG, - "%"PRIu64": REMOVEXATTR %s/%"PRId64" (%s) (fuse_loc_fill() failed)", - req_callid (req), state->loc.path, (int64_t)ino, name); + "%"PRIu64": REMOVEXATTR %s/%"PRIu64" (%s) (fuse_loc_fill() failed)", + finh->unique, state->loc.path, finh->nodeid, name); - fuse_reply_err (req, ENOENT); + send_fuse_err (this, finh, ENOENT); free_state (state); return; } gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": REMOVEXATTR %s/%"PRId64" (%s)", req_callid (req), - state->loc.path, (int64_t)ino, name); + "%"PRIu64": REMOVEXATTR %s/%"PRIu64" (%s)", finh->unique, + state->loc.path, finh->nodeid, name); FUSE_FOP (state, fuse_err_cbk, GF_FOP_REMOVEXATTR, removexattr, &state->loc, name); @@ -2263,11 +2472,22 @@ fuse_getlk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, fuse_state_t *state = NULL; state = frame->root->state; + struct fuse_lk_out flo = {{0, }, }; if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": ERR => 0", frame->root->unique); - fuse_reply_lock (state->req, lock); + "%"PRIu64": ERR => 0", frame->root->unique); + flo.lk.type = lock->l_type; + flo.lk.pid = lock->l_pid; + if (lock->l_type == F_UNLCK) + flo.lk.start = flo.lk.end = 0; + else { + flo.lk.start = lock->l_start; + flo.lk.end = lock->l_len ? + (lock->l_start + lock->l_len - 1) : + OFFSET_MAX; + } + send_fuse_obj (this, state->finh, &flo); } else { if (op_errno == ENOSYS) { gf_fuse_lk_enosys_log++; @@ -2279,10 +2499,10 @@ fuse_getlk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": ERR => -1 (%s)", + "%"PRIu64": ERR => -1 (%s)", frame->root->unique, strerror (op_errno)); } - fuse_reply_err (state->req, op_errno); + send_fuse_err (this, state->finh, op_errno); } free_state (state); @@ -2292,23 +2512,40 @@ fuse_getlk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } +/* courtesy of fuse */ +static void +convert_fuse_file_lock (struct fuse_file_lock *fl, struct flock *flock) +{ + memset (flock, 0, sizeof (struct flock)); + flock->l_type = fl->type; + flock->l_whence = SEEK_SET; + flock->l_start = fl->start; + if (fl->end == OFFSET_MAX) + flock->l_len = 0; + else + flock->l_len = fl->end - fl->start + 1; + flock->l_pid = fl->pid; +} + static void -fuse_getlk (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, - struct flock *lock) +fuse_getlk (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_lk_in *fli = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; + struct flock lock = {0, }; - fd = FI_TO_FD (fi); - STATE_FROM_REQ (req, state); - state->req = req; + fd = FH_TO_FD (fli->fh); + GET_STATE (this, finh, state); state->fd = fd; + convert_fuse_file_lock (&fli->lk, &lock); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": GETLK %p", req_callid (req), fd); + "%"PRIu64": GETLK %p", finh->unique, fd); FUSE_FOP (state, fuse_getlk_cbk, GF_FOP_LK, - lk, fd, F_GETLK, lock); + lk, fd, F_GETLK, &lock); return; } @@ -2324,8 +2561,8 @@ fuse_setlk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (op_ret == 0) { gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRId64": ERR => 0", frame->root->unique); - fuse_reply_err (state->req, 0); + "%"PRIu64": ERR => 0", frame->root->unique); + send_fuse_err (this, state->finh, 0); } else { if (op_errno == ENOSYS) { gf_fuse_lk_enosys_log++; @@ -2337,11 +2574,11 @@ fuse_setlk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } } else { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "%"PRId64": ERR => -1 (%s)", + "%"PRIu64": ERR => -1 (%s)", frame->root->unique, strerror (op_errno)); } - fuse_reply_err (state->req, op_errno); + send_fuse_err (this, state->finh, op_errno); } free_state (state); @@ -2352,76 +2589,102 @@ fuse_setlk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, static void -fuse_setlk (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi, - struct flock *lock, int sleep) +fuse_setlk (xlator_t *this, fuse_in_header_t *finh, void *msg) { + struct fuse_lk_in *fli = msg; + fuse_state_t *state = NULL; fd_t *fd = NULL; + struct flock lock = {0, }; - fd = FI_TO_FD (fi); - STATE_FROM_REQ (req, state); - state->req = req; + fd = FH_TO_FD (fli->fh); + GET_STATE (this, finh, state); + state->finh = finh; state->fd = fd; + convert_fuse_file_lock (&fli->lk, &lock); gf_log ("glusterfs-fuse", GF_LOG_TRACE, - "%"PRIu64": SETLK %p (sleep=%d)", req_callid (req), fd, - sleep); + "%"PRIu64": SETLK%s %p", finh->unique, + finh->opcode == FUSE_SETLK ? "" : "W", fd); FUSE_FOP (state, fuse_setlk_cbk, GF_FOP_LK, - lk, fd, (sleep ? F_SETLKW : F_SETLK), lock); + lk, fd, finh->opcode == FUSE_SETLK ? F_SETLK : F_SETLKW, + &lock); return; } static void -fuse_init (void *data, struct fuse_conn_info *conn) +fuse_init (xlator_t *this, fuse_in_header_t *finh, void *msg) { - return; + struct fuse_init_in *fini = msg; + + struct fuse_init_out fino; + fuse_private_t *priv = NULL; + int ret; + + priv = this->private; + + if (!priv->first_call) { + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "got INIT after first message"); + + close (priv->fd); + goto out; + } + + if (fini->major != FUSE_KERNEL_VERSION || + fini->minor < 9) { + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "unsupported FUSE protocol version %d.%d", + fini->major, fini->minor); + + close (priv->fd); + goto out; + } + + fino.major = FUSE_KERNEL_VERSION; + fino.minor = FUSE_KERNEL_MINOR_VERSION; + fino.max_readahead = 1 << 17; + fino.max_write = 1 << 17; + fino.flags = FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_BIG_WRITES; + + ret = send_fuse_obj (this, finh, &fino); + if (ret == 0) + gf_log ("glusterfs-fuse", GF_LOG_INFO, + "FUSE inited with protocol versions:" + " glusterfs %d.%d kernel %d.%d", + FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION, + fini->major, fini->minor); + else { + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "FUSE init failed (%s)", strerror (ret)); + + close (priv->fd); + } + + out: + FREE (finh); } + static void -fuse_destroy (void *data) -{ - -} - -static struct fuse_lowlevel_ops fuse_ops = { - .init = fuse_init, - .destroy = fuse_destroy, - .lookup = fuse_lookup, - .forget = fuse_forget, - .getattr = fuse_getattr, - .setattr = fuse_setattr, - .opendir = fuse_opendir, - .readdir = fuse_readdir, - .releasedir = fuse_releasedir, - .access = fuse_access, - .readlink = fuse_readlink, - .mknod = fuse_mknod, - .mkdir = fuse_mkdir, - .unlink = fuse_unlink, - .rmdir = fuse_rmdir, - .symlink = fuse_symlink, - .rename = fuse_rename, - .link = fuse_link, - .create = fuse_create, - .open = fuse_open, - .read = fuse_readv, - .write = fuse_write, - .flush = fuse_flush, - .release = fuse_release, - .fsync = fuse_fsync, - .fsyncdir = fuse_fsyncdir, - .statfs = fuse_statfs, - .setxattr = fuse_setxattr, - .getxattr = fuse_getxattr, - .listxattr = fuse_listxattr, - .removexattr = fuse_removexattr, - .getlk = fuse_getlk, - .setlk = fuse_setlk -}; +fuse_enosys (xlator_t *this, fuse_in_header_t *finh, void *msg) +{ + send_fuse_err (this, finh, ENOSYS); + FREE (finh); +} + + +static void +fuse_discard (xlator_t *this, fuse_in_header_t *finh, void *msg) +{ + FREE (finh); +} + +static fuse_handler_t *fuse_ops[FUSE_711_OP_HIGH]; int fuse_root_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, @@ -2493,33 +2756,44 @@ fuse_root_lookup (xlator_t *this) } + static void * fuse_thread_proc (void *data) { char *mount_point = NULL; xlator_t *this = NULL; fuse_private_t *priv = NULL; - int32_t res = 0; + ssize_t res = 0; struct iobuf *iobuf = NULL; - size_t chan_size = 0; + fuse_in_header_t *finh; + struct iovec iov_in[2]; this = data; priv = this->private; - chan_size = fuse_chan_bufsize (priv->ch); THIS = this; - while (!fuse_session_exited (priv->se)) { + iov_in[0].iov_len = sizeof (fuse_in_header_t); + iov_in[1].iov_len = ((struct iobuf_pool *)this->ctx->iobuf_pool) + ->page_size; + + for (;;) { iobuf = iobuf_get (this->ctx->iobuf_pool); + iov_in[0].iov_base = CALLOC (1, sizeof (*finh)); - if (!iobuf) { + if (!iobuf || !iov_in[0].iov_base) { gf_log (this->name, GF_LOG_ERROR, "Out of memory"); + if (iobuf) + iobuf_unref (iobuf); + FREE (iov_in[0].iov_base); sleep (10); continue; } - res = fuse_chan_receive (priv->ch, iobuf->ptr, chan_size); + iov_in[1].iov_base = iobuf->ptr; + + res = readv (priv->fd, iov_in, 2); if (priv->first_call) { if (priv->first_call > 1) { @@ -2532,25 +2806,35 @@ fuse_thread_proc (void *data) if (res == -1) { if (errno != EINTR) { gf_log ("glusterfs-fuse", GF_LOG_WARNING, - "fuse_chan_receive() returned -1 (%d)", errno); + "read from /dev/fuse returned -1 (%d)", errno); } - if (errno == ENODEV) { - iobuf_unref (iobuf); + if (errno == ENODEV || errno == EBADF) break; - } + iobuf_unref (iobuf); + FREE (iov_in[0].iov_base); continue; } + if (res < sizeof (finh)) { + gf_log ("glusterfs-fuse", GF_LOG_WARNING, "short read on /dev/fuse"); + break; + } + + finh = (fuse_in_header_t *)iov_in[0].iov_base; + if (res != finh->len) { + gf_log ("glusterfs-fuse", GF_LOG_WARNING, "inconsistent read on /dev/fuse"); + break; + } priv->iobuf = iobuf; - if (res && res != -1) { - fuse_session_process (priv->se, iobuf->ptr, - res, priv->ch); - } + fuse_ops[finh->opcode] (this, finh, iov_in[1].iov_base); iobuf_unref (iobuf); } + iobuf_unref (iobuf); + FREE (iov_in[0].iov_base); + if (dict_get (this->options, ZR_MOUNTPOINT_OPT)) mount_point = data_to_str (dict_get (this->options, ZR_MOUNTPOINT_OPT)); @@ -2560,10 +2844,6 @@ fuse_thread_proc (void *data) dict_del (this->options, ZR_MOUNTPOINT_OPT); } - fuse_session_remove_chan (priv->ch); - fuse_session_destroy (priv->se); - // fuse_unmount (priv->mount_point, priv->ch); - raise (SIGTERM); return NULL; @@ -2628,18 +2908,6 @@ notify (xlator_t *this, int32_t event, void *data, ...) return 0; } -static struct fuse_opt subtype_workaround[] = { - FUSE_OPT_KEY ("subtype=", 0), - FUSE_OPT_KEY ("fssubtype=", 0), - FUSE_OPT_END -}; - -static int -subtype_workaround_optproc (void *data, const char *arg, int key, - struct fuse_args *outargs) -{ - return key ? 1 : 0; -} int init (xlator_t *this_xl) @@ -2648,10 +2916,10 @@ init (xlator_t *this_xl) dict_t *options = NULL; char *value_string = NULL; char *fsname = NULL; - char *fsname_opt = NULL; + char *mount_param = NULL; fuse_private_t *priv = NULL; struct stat stbuf = {0,}; - struct fuse_args args = FUSE_ARGS_INIT (0, NULL); + int i = 0; int xl_name_allocated = 0; if (this_xl == NULL) @@ -2665,78 +2933,24 @@ init (xlator_t *this_xl) if (this_xl->name == NULL) { this_xl->name = strdup ("fuse"); if (!this_xl->name) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "Out of memory"); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "Out of memory"); goto cleanup_exit; } xl_name_allocated = 1; } - fsname = this_xl->ctx->cmd_args.volume_file; - fsname = (fsname ? fsname : this_xl->ctx->cmd_args.volfile_server); - fsname = (fsname ? fsname : "glusterfs"); - ret = asprintf (&fsname_opt, "-ofsname=%s", fsname); - - if (ret != -1) - ret = fuse_opt_add_arg (&args, "glusterfs"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, fsname_opt); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-oallow_other"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-odefault_permissions"); -#ifdef GF_DARWIN_HOST_OS - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-ofssubtype=glusterfs"); - if (ret != -1 && !dict_get (options, "macfuse-local")) - /* This way, GlusterFS will be detected as 'servers' instead - * of 'devices'. This method is useful if you want to do - * 'umount <mount_point>' over network, instead of 'eject'ing - * it from desktop. Works better for servers - */ - ret = fuse_opt_add_arg (&args, "-olocal"); -#else /* ! DARWIN_OS */ - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-osubtype=glusterfs"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-omax_readahead=131072"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-omax_read=131072"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-omax_write=131072"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-osuid"); -#if GF_LINUX_HOST_OS /* LINUX */ - /* '-o dev', '-o nonempty' is supported only on Linux */ - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-ononempty"); - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-odev"); -#ifdef HAVE_FUSE_VERSION_28 - if (ret != -1) - ret = fuse_opt_add_arg (&args, "-obig_writes"); -#endif /* FUSE 2.8 */ - -#endif /* LINUX */ -#endif /* ! DARWIN_OS */ - - if (ret == -1) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "Out of memory"); - - goto cleanup_exit; - } - priv = CALLOC (1, sizeof (*priv)); if (!priv) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "Out of memory"); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "Out of memory"); goto cleanup_exit; } this_xl->private = (void *) priv; priv->mount_point = NULL; + priv->fd = -1; /* get options from option dictionary */ ret = dict_get_str (options, ZR_MOUNTPOINT_OPT, &value_string); @@ -2773,8 +2987,8 @@ init (xlator_t *this_xl) } priv->mount_point = strdup (value_string); if (!priv->mount_point) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "Out of memory"); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "Out of memory"); goto cleanup_exit; } @@ -2803,102 +3017,97 @@ init (xlator_t *this_xl) &priv->strict_volfile_check); } + fsname = this_xl->ctx->cmd_args.volume_file; + fsname = (fsname ? fsname : this_xl->ctx->cmd_args.volfile_server); + fsname = (fsname ? fsname : "glusterfs"); + this_xl->itable = inode_table_new (0, this_xl); if (!this_xl->itable) { - gf_log("glusterfs-fuse", GF_LOG_ERROR, - "Out of memory"); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "Out of memory"); goto cleanup_exit; } - priv->ch = fuse_mount (priv->mount_point, &args); - if (priv->ch == NULL) { - if (errno == ENOTCONN) { - gf_log ("glusterfs-fuse", GF_LOG_ERROR, - "A stale mount is present on %s. " - "Run 'umount %s' and try again", - priv->mount_point, - priv->mount_point); - } else { - if (errno == ENOENT) { - gf_log ("glusterfs-fuse", GF_LOG_ERROR, - "Unable to mount on %s. Run " - "'modprobe fuse' and try again", - priv->mount_point); - } else { - gf_log ("glusterfs-fuse", GF_LOG_DEBUG, - "fuse_mount() failed with error %s " - "on mount point %s", - strerror (errno), - priv->mount_point); - } - } + priv->fd = open ("/dev/fuse", O_RDWR); + if (priv->fd == -1) { + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "cannot open /dev/fuse (%s)", strerror (errno)); goto cleanup_exit; } + ret = asprintf (&mount_param, + "allow_other,default_permissions,max_read=131072," + "fd=%i,rootmode=%o,user_id=%i,group_id=%i", + priv->fd, stbuf.st_mode & S_IFMT, getuid (), getgid ()); + if (ret == -1) { + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "Out of memory"); - errno = 0; - - priv->se = fuse_lowlevel_new (&args, &fuse_ops, - sizeof (fuse_ops), this_xl); - if (priv->se == NULL && !errno) { - /* - * Option parsing misery. Can happen if libfuse is of - * FUSE < 2.7.0, as then the "-o subtype" option is not - * handled. - * - * Best we can do to is to handle it at runtime -- this is not - * a binary incompatibility issue (which should dealt with at - * compile time), but a behavioural incompatibility issue. Ie. - * we can't tell in advance whether the lib we use supports - * "-o subtype". So try to be clever now. - * - * Delete the subtype option, and try again. - */ - if (fuse_opt_parse (&args, NULL, subtype_workaround, - subtype_workaround_optproc) == 0) - priv->se = fuse_lowlevel_new (&args, &fuse_ops, - sizeof (fuse_ops), - this_xl); - } - - if (priv->se == NULL) { - gf_log ("glusterfs-fuse", GF_LOG_DEBUG, - "fuse_lowlevel_new() failed with error %s on " - "mount point %s", - strerror (errno), priv->mount_point); - goto umount_exit; + goto cleanup_exit; } - - ret = fuse_set_signal_handlers (priv->se); + ret = mount (fsname, priv->mount_point, "fuse.glusterfs", 0, + mount_param); if (ret == -1) { - gf_log ("glusterfs-fuse", GF_LOG_DEBUG, - "fuse_set_signal_handlers() failed on mount point %s", - priv->mount_point); - goto umount_exit; - } - - fuse_opt_free_args (&args); - FREE (fsname_opt); + gf_log ("glusterfs-fuse", GF_LOG_ERROR, + "mount failed (%s)", strerror (errno)); - fuse_session_add_chan (priv->se, priv->ch); + goto cleanup_exit; + } - priv->fd = fuse_chan_fd (priv->ch); + FREE (mount_param); this_xl->ctx->top = this_xl; priv->first_call = 2; + + for (i = 0; i < FUSE_711_OP_HIGH; i++) + fuse_ops[i] = fuse_enosys; + fuse_ops[FUSE_INIT] = fuse_init; + fuse_ops[FUSE_DESTROY] = fuse_discard; + fuse_ops[FUSE_LOOKUP] = fuse_lookup; + fuse_ops[FUSE_FORGET] = fuse_forget; + fuse_ops[FUSE_GETATTR] = fuse_getattr; + fuse_ops[FUSE_SETATTR] = fuse_setattr; + fuse_ops[FUSE_OPENDIR] = fuse_opendir; + fuse_ops[FUSE_READDIR] = fuse_readdir; + fuse_ops[FUSE_RELEASEDIR] = fuse_releasedir; + fuse_ops[FUSE_ACCESS] = fuse_access; + fuse_ops[FUSE_READLINK] = fuse_readlink; + fuse_ops[FUSE_MKNOD] = fuse_mknod; + fuse_ops[FUSE_MKDIR] = fuse_mkdir; + fuse_ops[FUSE_UNLINK] = fuse_unlink; + fuse_ops[FUSE_RMDIR] = fuse_rmdir; + fuse_ops[FUSE_SYMLINK] = fuse_symlink; + fuse_ops[FUSE_RENAME] = fuse_rename; + fuse_ops[FUSE_LINK] = fuse_link; + fuse_ops[FUSE_CREATE] = fuse_create; + fuse_ops[FUSE_OPEN] = fuse_open; + fuse_ops[FUSE_READ] = fuse_readv; + fuse_ops[FUSE_WRITE] = fuse_write; + fuse_ops[FUSE_FLUSH] = fuse_flush; + fuse_ops[FUSE_RELEASE] = fuse_release; + fuse_ops[FUSE_FSYNC] = fuse_fsync; + fuse_ops[FUSE_FSYNCDIR] = fuse_fsyncdir; + fuse_ops[FUSE_STATFS] = fuse_statfs; + fuse_ops[FUSE_SETXATTR] = fuse_setxattr; + fuse_ops[FUSE_GETXATTR] = fuse_getxattr; + fuse_ops[FUSE_LISTXATTR] = fuse_listxattr; + fuse_ops[FUSE_REMOVEXATTR] = fuse_removexattr; + fuse_ops[FUSE_GETLK] = fuse_getlk; + fuse_ops[FUSE_SETLK] = fuse_setlk; + fuse_ops[FUSE_SETLKW] = fuse_setlk; + return 0; -umount_exit: - fuse_unmount (priv->mount_point, priv->ch); cleanup_exit: if (xl_name_allocated) FREE (this_xl->name); - fuse_opt_free_args (&args); - FREE (fsname_opt); - if (priv) + FREE (mount_param); + if (priv) { FREE (priv->mount_point); + close (priv->fd); + } FREE (priv); return -1; } @@ -2916,6 +3125,8 @@ fini (xlator_t *this_xl) if ((priv = this_xl->private) == NULL) return; + close (priv->fd); + if (dict_get (this_xl->options, ZR_MOUNTPOINT_OPT)) mount_point = data_to_str (dict_get (this_xl->options, ZR_MOUNTPOINT_OPT)); @@ -2924,8 +3135,7 @@ fini (xlator_t *this_xl) "Unmounting '%s'.", mount_point); dict_del (this_xl->options, ZR_MOUNTPOINT_OPT); - fuse_session_exit (priv->se); - fuse_unmount (mount_point, priv->ch); + umount (mount_point); } } diff --git a/xlators/mount/fuse/src/fuse-extra.c b/xlators/mount/fuse/src/fuse-extra.c deleted file mode 100644 index 422ff4b563d..00000000000 --- a/xlators/mount/fuse/src/fuse-extra.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - Copyright (c) 2006-2009 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 _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif /* _CONFIG_H */ - -#include "fuse-extra.h" -#include "common-utils.h" -#include <stdio.h> -#include <pthread.h> -#include <stdlib.h> -#include <string.h> -#include "common-utils.h" - -struct fuse_req; -struct fuse_ll; - -struct fuse_req { - struct fuse_ll *f; - uint64_t unique; - int ctr; - pthread_mutex_t lock; - struct fuse_ctx ctx; - struct fuse_chan *ch; - int interrupted; - union { - struct { - uint64_t unique; - } i; - struct { - fuse_interrupt_func_t func; - void *data; - } ni; - } u; - struct fuse_req *next; - struct fuse_req *prev; -}; - -#ifdef HAVE_FUSE_VERSION_28 -struct fuse_ll { - int debug; - int allow_root; - int atomic_o_trunc; - int big_writes; - struct fuse_lowlevel_ops op; - int got_init; - void *userdata; - uid_t owner; - struct fuse_conn_info conn; - struct fuse_req list; - struct fuse_req interrupts; - pthread_mutex_t lock; - int got_destroy; -}; -#else -struct fuse_ll { - int debug; - int allow_root; - struct fuse_lowlevel_ops op; - int got_init; - void *userdata; - uid_t owner; - struct fuse_conn_info conn; - struct fuse_req list; - struct fuse_req interrupts; - pthread_mutex_t lock; - int got_destroy; -}; -#endif /* FUSE 2.8 */ - -struct fuse_out_header { - uint32_t len; - int32_t error; - uint64_t unique; -}; - -uint64_t req_callid (fuse_req_t req) -{ - return req->unique; -} - -static void destroy_req(fuse_req_t req) -{ - pthread_mutex_destroy (&req->lock); - FREE (req); -} - -static void list_del_req(struct fuse_req *req) -{ - struct fuse_req *prev = req->prev; - struct fuse_req *next = req->next; - prev->next = next; - next->prev = prev; -} - -static void -free_req (fuse_req_t req) -{ - int ctr; - struct fuse_ll *f = req->f; - - pthread_mutex_lock(&req->lock); - req->u.ni.func = NULL; - req->u.ni.data = NULL; - pthread_mutex_unlock(&req->lock); - - pthread_mutex_lock(&f->lock); - list_del_req(req); - ctr = --req->ctr; - pthread_mutex_unlock(&f->lock); - if (!ctr) - destroy_req(req); -} - -int32_t -fuse_reply_vec (fuse_req_t req, - struct iovec *vector, - int32_t count) -{ - int32_t error = 0; - struct fuse_out_header out; - struct iovec *iov; - int res; - - iov = alloca ((count + 1) * sizeof (*vector)); - out.unique = req->unique; - out.error = error; - iov[0].iov_base = &out; - iov[0].iov_len = sizeof(struct fuse_out_header); - memcpy (&iov[1], vector, count * sizeof (*vector)); - count++; - out.len = iov_length(iov, count); - res = fuse_chan_send(req->ch, iov, count); - free_req(req); - - return res; -} diff --git a/xlators/mount/fuse/src/fuse-extra.h b/xlators/mount/fuse/src/fuse-extra.h deleted file mode 100644 index 5688e34c76d..00000000000 --- a/xlators/mount/fuse/src/fuse-extra.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - Copyright (c) 2007-2009 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 _FUSE_EXTRA_H -#define _FUSE_EXTRA_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif /* _CONFIG_H */ - -#include <stdlib.h> -#include <fuse/fuse_lowlevel.h> - -#define GLUSTERFS_XATTR_LEN_MAX 65536 - -uint64_t req_callid (fuse_req_t req); - -size_t fuse_dirent_size (size_t dname_len); - -int32_t -fuse_reply_vec (fuse_req_t req, - struct iovec *vector, - int32_t count); - -#endif /* _FUSE_EXTRA_H */ diff --git a/xlators/mount/fuse/src/fuse_kernel.h b/xlators/mount/fuse/src/fuse_kernel.h new file mode 100644 index 00000000000..df558e394ff --- /dev/null +++ b/xlators/mount/fuse/src/fuse_kernel.h @@ -0,0 +1,509 @@ +/* + This file defines the kernel interface of FUSE + Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu> + + This program can be distributed under the terms of the GNU GPL. + See the file COPYING. + + This -- and only this -- header file may also be distributed under + the terms of the BSD Licence as follows: + + Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. +*/ + +/* + * This file defines the kernel interface of FUSE + * + * Protocol changelog: + * + * 7.9: + * - new fuse_getattr_in input argument of GETATTR + * - add lk_flags in fuse_lk_in + * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in + * - add blksize field to fuse_attr + * - add file flags field to fuse_read_in and fuse_write_in + * + * 7.10 + * - add nonseekable open flag + * + * 7.11 + * - add IOCTL message + * - add unsolicited notification support + * - add POLL message and NOTIFY_POLL notification + */ + +#ifndef _LINUX_FUSE_H +#define _LINUX_FUSE_H + +#include <sys/types.h> +#define __u64 uint64_t +#define __u32 uint32_t +#define __s32 int32_t + +/** Version number of this interface */ +#define FUSE_KERNEL_VERSION 7 + +/** Minor version number of this interface */ +#define FUSE_KERNEL_MINOR_VERSION 11 + +/** The node ID of the root inode */ +#define FUSE_ROOT_ID 1 + +/* Make sure all structures are padded to 64bit boundary, so 32bit + userspace works under 64bit kernels */ + +struct fuse_attr { + __u64 ino; + __u64 size; + __u64 blocks; + __u64 atime; + __u64 mtime; + __u64 ctime; + __u32 atimensec; + __u32 mtimensec; + __u32 ctimensec; + __u32 mode; + __u32 nlink; + __u32 uid; + __u32 gid; + __u32 rdev; + __u32 blksize; + __u32 padding; +}; + +struct fuse_kstatfs { + __u64 blocks; + __u64 bfree; + __u64 bavail; + __u64 files; + __u64 ffree; + __u32 bsize; + __u32 namelen; + __u32 frsize; + __u32 padding; + __u32 spare[6]; +}; + +struct fuse_file_lock { + __u64 start; + __u64 end; + __u32 type; + __u32 pid; /* tgid */ +}; + +/** + * Bitmasks for fuse_setattr_in.valid + */ +#define FATTR_MODE (1 << 0) +#define FATTR_UID (1 << 1) +#define FATTR_GID (1 << 2) +#define FATTR_SIZE (1 << 3) +#define FATTR_ATIME (1 << 4) +#define FATTR_MTIME (1 << 5) +#define FATTR_FH (1 << 6) +#define FATTR_ATIME_NOW (1 << 7) +#define FATTR_MTIME_NOW (1 << 8) +#define FATTR_LOCKOWNER (1 << 9) + +/** + * Flags returned by the OPEN request + * + * FOPEN_DIRECT_IO: bypass page cache for this open file + * FOPEN_KEEP_CACHE: don't invalidate the data cache on open + * FOPEN_NONSEEKABLE: the file is not seekable + */ +#define FOPEN_DIRECT_IO (1 << 0) +#define FOPEN_KEEP_CACHE (1 << 1) +#define FOPEN_NONSEEKABLE (1 << 2) + +/** + * INIT request/reply flags + * + * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." + */ +#define FUSE_ASYNC_READ (1 << 0) +#define FUSE_POSIX_LOCKS (1 << 1) +#define FUSE_FILE_OPS (1 << 2) +#define FUSE_ATOMIC_O_TRUNC (1 << 3) +#define FUSE_EXPORT_SUPPORT (1 << 4) +#define FUSE_BIG_WRITES (1 << 5) + +/** + * Release flags + */ +#define FUSE_RELEASE_FLUSH (1 << 0) + +/** + * Getattr flags + */ +#define FUSE_GETATTR_FH (1 << 0) + +/** + * Lock flags + */ +#define FUSE_LK_FLOCK (1 << 0) + +/** + * WRITE flags + * + * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed + * FUSE_WRITE_LOCKOWNER: lock_owner field is valid + */ +#define FUSE_WRITE_CACHE (1 << 0) +#define FUSE_WRITE_LOCKOWNER (1 << 1) + +/** + * Read flags + */ +#define FUSE_READ_LOCKOWNER (1 << 1) + +/** + * Ioctl flags + * + * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine + * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed + * FUSE_IOCTL_RETRY: retry with new iovecs + * + * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs + */ +#define FUSE_IOCTL_COMPAT (1 << 0) +#define FUSE_IOCTL_UNRESTRICTED (1 << 1) +#define FUSE_IOCTL_RETRY (1 << 2) + +#define FUSE_IOCTL_MAX_IOV 256 + +/** + * Poll flags + * + * FUSE_POLL_SCHEDULE_NOTIFY: request poll notify + */ +#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) + +enum fuse_opcode { + FUSE_LOOKUP = 1, + FUSE_FORGET = 2, /* no reply */ + FUSE_GETATTR = 3, + FUSE_SETATTR = 4, + FUSE_READLINK = 5, + FUSE_SYMLINK = 6, + FUSE_MKNOD = 8, + FUSE_MKDIR = 9, + FUSE_UNLINK = 10, + FUSE_RMDIR = 11, + FUSE_RENAME = 12, + FUSE_LINK = 13, + FUSE_OPEN = 14, + FUSE_READ = 15, + FUSE_WRITE = 16, + FUSE_STATFS = 17, + FUSE_RELEASE = 18, + FUSE_FSYNC = 20, + FUSE_SETXATTR = 21, + FUSE_GETXATTR = 22, + FUSE_LISTXATTR = 23, + FUSE_REMOVEXATTR = 24, + FUSE_FLUSH = 25, + FUSE_INIT = 26, + FUSE_OPENDIR = 27, + FUSE_READDIR = 28, + FUSE_RELEASEDIR = 29, + FUSE_FSYNCDIR = 30, + FUSE_GETLK = 31, + FUSE_SETLK = 32, + FUSE_SETLKW = 33, + FUSE_ACCESS = 34, + FUSE_CREATE = 35, + FUSE_INTERRUPT = 36, + FUSE_BMAP = 37, + FUSE_DESTROY = 38, + FUSE_IOCTL = 39, + FUSE_POLL = 40, +}; + +enum fuse_notify_code { + FUSE_NOTIFY_POLL = 1, + FUSE_NOTIFY_CODE_MAX, +}; + +/* The read buffer is required to be at least 8k, but may be much larger */ +#define FUSE_MIN_READ_BUFFER 8192 + +#define FUSE_COMPAT_ENTRY_OUT_SIZE 120 + +struct fuse_entry_out { + __u64 nodeid; /* Inode ID */ + __u64 generation; /* Inode generation: nodeid:gen must + be unique for the fs's lifetime */ + __u64 entry_valid; /* Cache timeout for the name */ + __u64 attr_valid; /* Cache timeout for the attributes */ + __u32 entry_valid_nsec; + __u32 attr_valid_nsec; + struct fuse_attr attr; +}; + +struct fuse_forget_in { + __u64 nlookup; +}; + +struct fuse_getattr_in { + __u32 getattr_flags; + __u32 dummy; + __u64 fh; +}; + +#define FUSE_COMPAT_ATTR_OUT_SIZE 96 + +struct fuse_attr_out { + __u64 attr_valid; /* Cache timeout for the attributes */ + __u32 attr_valid_nsec; + __u32 dummy; + struct fuse_attr attr; +}; + +struct fuse_mknod_in { + __u32 mode; + __u32 rdev; +}; + +struct fuse_mkdir_in { + __u32 mode; + __u32 padding; +}; + +struct fuse_rename_in { + __u64 newdir; +}; + +struct fuse_link_in { + __u64 oldnodeid; +}; + +struct fuse_setattr_in { + __u32 valid; + __u32 padding; + __u64 fh; + __u64 size; + __u64 lock_owner; + __u64 atime; + __u64 mtime; + __u64 unused2; + __u32 atimensec; + __u32 mtimensec; + __u32 unused3; + __u32 mode; + __u32 unused4; + __u32 uid; + __u32 gid; + __u32 unused5; +}; + +struct fuse_open_in { + __u32 flags; + __u32 mode; +}; + +struct fuse_open_out { + __u64 fh; + __u32 open_flags; + __u32 padding; +}; + +struct fuse_release_in { + __u64 fh; + __u32 flags; + __u32 release_flags; + __u64 lock_owner; +}; + +struct fuse_flush_in { + __u64 fh; + __u32 unused; + __u32 padding; + __u64 lock_owner; +}; + +struct fuse_read_in { + __u64 fh; + __u64 offset; + __u32 size; + __u32 read_flags; + __u64 lock_owner; + __u32 flags; + __u32 padding; +}; + +#define FUSE_COMPAT_WRITE_IN_SIZE 24 + +struct fuse_write_in { + __u64 fh; + __u64 offset; + __u32 size; + __u32 write_flags; + __u64 lock_owner; + __u32 flags; + __u32 padding; +}; + +struct fuse_write_out { + __u32 size; + __u32 padding; +}; + +#define FUSE_COMPAT_STATFS_SIZE 48 + +struct fuse_statfs_out { + struct fuse_kstatfs st; +}; + +struct fuse_fsync_in { + __u64 fh; + __u32 fsync_flags; + __u32 padding; +}; + +struct fuse_setxattr_in { + __u32 size; + __u32 flags; +}; + +struct fuse_getxattr_in { + __u32 size; + __u32 padding; +}; + +struct fuse_getxattr_out { + __u32 size; + __u32 padding; +}; + +struct fuse_lk_in { + __u64 fh; + __u64 owner; + struct fuse_file_lock lk; + __u32 lk_flags; + __u32 padding; +}; + +struct fuse_lk_out { + struct fuse_file_lock lk; +}; + +struct fuse_access_in { + __u32 mask; + __u32 padding; +}; + +struct fuse_init_in { + __u32 major; + __u32 minor; + __u32 max_readahead; + __u32 flags; +}; + +struct fuse_init_out { + __u32 major; + __u32 minor; + __u32 max_readahead; + __u32 flags; + __u32 unused; + __u32 max_write; +}; + +struct fuse_interrupt_in { + __u64 unique; +}; + +struct fuse_bmap_in { + __u64 block; + __u32 blocksize; + __u32 padding; +}; + +struct fuse_bmap_out { + __u64 block; +}; + +struct fuse_ioctl_in { + __u64 fh; + __u32 flags; + __u32 cmd; + __u64 arg; + __u32 in_size; + __u32 out_size; +}; + +struct fuse_ioctl_out { + __s32 result; + __u32 flags; + __u32 in_iovs; + __u32 out_iovs; +}; + +struct fuse_poll_in { + __u64 fh; + __u64 kh; + __u32 flags; + __u32 padding; +}; + +struct fuse_poll_out { + __u32 revents; + __u32 padding; +}; + +struct fuse_notify_poll_wakeup_out { + __u64 kh; +}; + +struct fuse_in_header { + __u32 len; + __u32 opcode; + __u64 unique; + __u64 nodeid; + __u32 uid; + __u32 gid; + __u32 pid; + __u32 padding; +}; + +struct fuse_out_header { + __u32 len; + __s32 error; + __u64 unique; +}; + +struct fuse_dirent { + __u64 ino; + __u64 off; + __u32 namelen; + __u32 type; + char name[0]; +}; + +#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) +#define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1)) +#define FUSE_DIRENT_SIZE(d) \ + FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) + +#endif /* _LINUX_FUSE_H */ |