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authorAmar Tumballi <amar@gluster.com>2011-03-24 07:27:26 +0000
committerVijay Bellur <vijay@dev.gluster.com>2011-03-29 04:14:29 -0700
commitb691214fd9114e2b4c7d419ef06aedd28614127a (patch)
treea0a03c39dee5ac2af4b0f2c7acfe49808903823d /xlators/cluster/afr/src/afr-dir-read.c
parent408a2b029824a3915ce094aed520061e80c078c8 (diff)
cluster/afr: whitespace cleanup
Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 2346 (Log message enhancements in GlusterFS - phase 1) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2346
Diffstat (limited to 'xlators/cluster/afr/src/afr-dir-read.c')
-rw-r--r--xlators/cluster/afr/src/afr-dir-read.c544
1 files changed, 272 insertions, 272 deletions
diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c
index 19ddcbda762..59bd7872e9f 100644
--- a/xlators/cluster/afr/src/afr-dir-read.c
+++ b/xlators/cluster/afr/src/afr-dir-read.c
@@ -1,20 +1,20 @@
/*
- Copyright (c) 2007-2010 Gluster, Inc. <http://www.gluster.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 Affero 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
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ Copyright (c) 2007-2010 Gluster, Inc. <http://www.gluster.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 Affero 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
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
*/
@@ -98,8 +98,8 @@ afr_examine_dir_readdir_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno,
gf_dirent_t *entries)
{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
afr_self_heal_t * sh = NULL;
gf_dirent_t * entry = NULL;
@@ -166,7 +166,7 @@ out:
sizeof(sh_type_str));
gf_log (this->name, GF_LOG_NORMAL,
"%s self-heal triggered. path: %s, "
- "reason: checksums of directory differ,"
+ "reason: checksums of directory differ,"
" forced merge option set",
sh_type_str, local->loc.path);
@@ -197,8 +197,8 @@ afr_examine_dir (call_frame_t *frame, xlator_t *this)
priv = this->private;
local->cont.opendir.checksum = GF_CALLOC (priv->child_count,
- sizeof (*local->cont.opendir.checksum),
- gf_afr_mt_int32_t);
+ sizeof (*local->cont.opendir.checksum),
+ gf_afr_mt_int32_t);
call_count = afr_up_children_count (priv->child_count, local->child_up);
@@ -223,15 +223,15 @@ afr_examine_dir (call_frame_t *frame, xlator_t *this)
int32_t
afr_opendir_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- fd_t *fd)
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ fd_t *fd)
{
afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
int32_t up_children_count = 0;
int ret = -1;
- int call_count = -1;
+ int call_count = -1;
priv = this->private;
local = frame->local;
@@ -239,18 +239,18 @@ afr_opendir_cbk (call_frame_t *frame, void *cookie,
up_children_count = afr_up_children_count (priv->child_count,
local->child_up);
- LOCK (&frame->lock);
- {
- if (op_ret >= 0)
- local->op_ret = op_ret;
+ LOCK (&frame->lock);
+ {
+ if (op_ret >= 0)
+ local->op_ret = op_ret;
- local->op_errno = op_errno;
- }
- UNLOCK (&frame->lock);
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
- call_count = afr_frame_return (frame);
+ call_count = afr_frame_return (frame);
- if (call_count == 0) {
+ if (call_count == 0) {
if (local->op_ret == 0) {
ret = afr_fd_ctx_set (this, local->fd);
@@ -286,79 +286,79 @@ afr_opendir_cbk (call_frame_t *frame, void *cookie,
local->op_errno, local->fd);
}
} else {
-out:
+ out:
AFR_STACK_UNWIND (opendir, frame, local->op_ret,
local->op_errno, local->fd);
}
}
- return 0;
+ return 0;
}
-int32_t
+int32_t
afr_opendir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, fd_t *fd)
+ loc_t *loc, fd_t *fd)
{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
- int child_count = 0;
- int i = 0;
+ int child_count = 0;
+ int i = 0;
- int ret = -1;
- int call_count = -1;
+ int ret = -1;
+ int call_count = -1;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
+ int32_t op_ret = -1;
+ int32_t op_errno = 0;
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
- priv = this->private;
+ priv = this->private;
- child_count = priv->child_count;
+ child_count = priv->child_count;
- ALLOC_OR_GOTO (local, afr_local_t, out);
- ret = AFR_LOCAL_INIT (local, priv);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
loc_copy (&local->loc, loc);
- frame->local = local;
- local->fd = fd_ref (fd);
+ frame->local = local;
+ local->fd = fd_ref (fd);
- call_count = local->call_count;
-
- for (i = 0; i < child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND (frame, afr_opendir_cbk,
- priv->children[i],
- priv->children[i]->fops->opendir,
- loc, fd);
+ call_count = local->call_count;
- if (!--call_count)
- break;
- }
- }
+ for (i = 0; i < child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND (frame, afr_opendir_cbk,
+ priv->children[i],
+ priv->children[i]->fops->opendir,
+ loc, fd);
+
+ if (!--call_count)
+ break;
+ }
+ }
- op_ret = 0;
+ op_ret = 0;
out:
- if (op_ret == -1) {
- AFR_STACK_UNWIND (opendir, frame, op_ret, op_errno, fd);
- }
+ if (op_ret == -1) {
+ AFR_STACK_UNWIND (opendir, frame, op_ret, op_errno, fd);
+ }
- return 0;
+ return 0;
}
/**
* Common algorithm for directory read calls:
- *
+ *
* - Try the fop on the first child that is up
* - if we have failed due to ENOTCONN:
* try the next child
@@ -394,110 +394,110 @@ out:
static void
afr_remember_entries (gf_dirent_t *entries, fd_t *fd)
{
- struct entry_name *n = NULL;
- gf_dirent_t * entry = NULL;
+ struct entry_name *n = NULL;
+ gf_dirent_t * entry = NULL;
- int ret = 0;
+ int ret = 0;
- uint64_t ctx;
- afr_fd_ctx_t *fd_ctx;
+ uint64_t ctx;
+ afr_fd_ctx_t *fd_ctx;
- ret = fd_ctx_get (fd, THIS, &ctx);
- if (ret < 0) {
- gf_log (THIS->name, GF_LOG_DEBUG,
- "could not get fd ctx for fd=%p", fd);
- return;
- }
+ ret = fd_ctx_get (fd, THIS, &ctx);
+ if (ret < 0) {
+ gf_log (THIS->name, GF_LOG_DEBUG,
+ "could not get fd ctx for fd=%p", fd);
+ return;
+ }
fd_ctx = (afr_fd_ctx_t *)(long) ctx;
- list_for_each_entry (entry, &entries->list, list) {
- n = GF_CALLOC (1, sizeof (*n), gf_afr_mt_entry_name);
- n->name = gf_strdup (entry->d_name);
- INIT_LIST_HEAD (&n->list);
+ list_for_each_entry (entry, &entries->list, list) {
+ n = GF_CALLOC (1, sizeof (*n), gf_afr_mt_entry_name);
+ n->name = gf_strdup (entry->d_name);
+ INIT_LIST_HEAD (&n->list);
- list_add (&n->list, &fd_ctx->entries);
- }
+ list_add (&n->list, &fd_ctx->entries);
+ }
}
static off_t
afr_filter_entries (gf_dirent_t *entries, fd_t *fd)
{
- gf_dirent_t *entry, *tmp;
- int ret = 0;
+ gf_dirent_t *entry, *tmp;
+ int ret = 0;
- uint64_t ctx;
- afr_fd_ctx_t *fd_ctx;
+ uint64_t ctx;
+ afr_fd_ctx_t *fd_ctx;
- off_t offset = 0;
+ off_t offset = 0;
- ret = fd_ctx_get (fd, THIS, &ctx);
- if (ret < 0) {
- gf_log (THIS->name, GF_LOG_DEBUG,
- "could not get fd ctx for fd=%p", fd);
- return -1;
- }
+ ret = fd_ctx_get (fd, THIS, &ctx);
+ if (ret < 0) {
+ gf_log (THIS->name, GF_LOG_DEBUG,
+ "could not get fd ctx for fd=%p", fd);
+ return -1;
+ }
fd_ctx = (afr_fd_ctx_t *)(long) ctx;
- list_for_each_entry_safe (entry, tmp, &entries->list, list) {
- offset = entry->d_off;
+ list_for_each_entry_safe (entry, tmp, &entries->list, list) {
+ offset = entry->d_off;
- if (remembered_name (entry->d_name, &fd_ctx->entries)) {
- list_del (&entry->list);
- GF_FREE (entry);
- }
- }
+ if (remembered_name (entry->d_name, &fd_ctx->entries)) {
+ list_del (&entry->list);
+ GF_FREE (entry);
+ }
+ }
- return offset;
+ return offset;
}
static void
afr_forget_entries (fd_t *fd)
{
- struct entry_name *entry, *tmp;
- int ret = 0;
+ struct entry_name *entry, *tmp;
+ int ret = 0;
- uint64_t ctx;
- afr_fd_ctx_t *fd_ctx;
+ uint64_t ctx;
+ afr_fd_ctx_t *fd_ctx;
- ret = fd_ctx_get (fd, THIS, &ctx);
- if (ret < 0) {
- gf_log (THIS->name, GF_LOG_DEBUG,
- "could not get fd ctx for fd=%p", fd);
- return;
- }
+ ret = fd_ctx_get (fd, THIS, &ctx);
+ if (ret < 0) {
+ gf_log (THIS->name, GF_LOG_DEBUG,
+ "could not get fd ctx for fd=%p", fd);
+ return;
+ }
fd_ctx = (afr_fd_ctx_t *)(long) ctx;
- list_for_each_entry_safe (entry, tmp, &fd_ctx->entries, list) {
- GF_FREE (entry->name);
- list_del (&entry->list);
- GF_FREE (entry);
- }
+ list_for_each_entry_safe (entry, tmp, &fd_ctx->entries, list) {
+ GF_FREE (entry->name);
+ list_del (&entry->list);
+ GF_FREE (entry);
+ }
}
int32_t
afr_readdir_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- gf_dirent_t *entries)
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ gf_dirent_t *entries)
{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
gf_dirent_t * entry = NULL;
gf_dirent_t * tmp = NULL;
int child_index = -1;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
child_index = (long) cookie;
- if (op_ret != -1) {
+ if (op_ret != -1) {
list_for_each_entry_safe (entry, tmp, &entries->list, list) {
entry->d_ino = afr_itransform (entry->d_ino,
priv->child_count,
@@ -509,11 +509,11 @@ afr_readdir_cbk (call_frame_t *frame, void *cookie,
GF_FREE (entry);
}
}
- }
+ }
AFR_STACK_UNWIND (readdir, frame, op_ret, op_errno, entries);
- return 0;
+ return 0;
}
@@ -537,7 +537,7 @@ afr_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
uint64_t ctx = 0;
afr_fd_ctx_t *fd_ctx = NULL;
- off_t offset = 0;
+ off_t offset = 0;
priv = this->private;
children = priv->children;
@@ -546,88 +546,88 @@ afr_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
child_index = (long) cookie;
- if (priv->strict_readdir) {
- ret = fd_ctx_get (local->fd, this, &ctx);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_DEBUG,
- "could not get fd ctx for fd=%p", local->fd);
- op_ret = -1;
- op_errno = -ret;
- goto out;
- }
-
- fd_ctx = (afr_fd_ctx_t *)(long) ctx;
-
- if (child_went_down (op_ret, op_errno)) {
- if (all_tried (child_index, priv->child_count)) {
- goto out;
- }
-
- call_child = ++child_index;
-
- gf_log (this->name, GF_LOG_TRACE,
- "starting readdir afresh on child %d, offset %"PRId64,
- call_child, (uint64_t) 0);
-
- fd_ctx->failed_over = _gf_true;
-
- STACK_WIND_COOKIE (frame, afr_readdirp_cbk,
- (void *) (long) call_child,
- children[call_child],
- children[call_child]->fops->readdirp, local->fd,
- local->cont.readdir.size, 0);
- return 0;
- }
- }
-
- if (op_ret != -1) {
- list_for_each_entry_safe (entry, tmp, &entries->list, list) {
- inum = afr_itransform (entry->d_ino, priv->child_count,
- child_index);
- entry->d_ino = inum;
- inum = afr_itransform (entry->d_stat.ia_ino,
- priv->child_count, child_index);
- entry->d_stat.ia_ino = inum;
-
- if ((local->fd->inode == local->fd->inode->table->root)
- && !strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR)) {
- list_del_init (&entry->list);
- GF_FREE (entry);
- }
- }
- }
-
- if (priv->strict_readdir) {
- if (fd_ctx->failed_over) {
- if (list_empty (&entries->list)) {
- goto out;
- }
-
- offset = afr_filter_entries (entries, local->fd);
-
- afr_remember_entries (entries, local->fd);
-
- if (list_empty (&entries->list)) {
- /* All the entries we got were duplicate. We
- shouldn't send an empty list now, because
- that'll make the application stop reading. So
- try to get more entries */
-
- gf_log (this->name, GF_LOG_TRACE,
- "trying to fetch non-duplicate entries from offset %"PRId64", child %s",
- offset, children[child_index]->name);
-
- STACK_WIND_COOKIE (frame, afr_readdirp_cbk,
- (void *) (long) child_index,
- children[child_index],
- children[child_index]->fops->readdirp,
- local->fd, local->cont.readdir.size, offset);
- return 0;
- }
- } else {
- afr_remember_entries (entries, local->fd);
- }
- }
+ if (priv->strict_readdir) {
+ ret = fd_ctx_get (local->fd, this, &ctx);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "could not get fd ctx for fd=%p", local->fd);
+ op_ret = -1;
+ op_errno = -ret;
+ goto out;
+ }
+
+ fd_ctx = (afr_fd_ctx_t *)(long) ctx;
+
+ if (child_went_down (op_ret, op_errno)) {
+ if (all_tried (child_index, priv->child_count)) {
+ goto out;
+ }
+
+ call_child = ++child_index;
+
+ gf_log (this->name, GF_LOG_TRACE,
+ "starting readdir afresh on child %d, offset %"PRId64,
+ call_child, (uint64_t) 0);
+
+ fd_ctx->failed_over = _gf_true;
+
+ STACK_WIND_COOKIE (frame, afr_readdirp_cbk,
+ (void *) (long) call_child,
+ children[call_child],
+ children[call_child]->fops->readdirp, local->fd,
+ local->cont.readdir.size, 0);
+ return 0;
+ }
+ }
+
+ if (op_ret != -1) {
+ list_for_each_entry_safe (entry, tmp, &entries->list, list) {
+ inum = afr_itransform (entry->d_ino, priv->child_count,
+ child_index);
+ entry->d_ino = inum;
+ inum = afr_itransform (entry->d_stat.ia_ino,
+ priv->child_count, child_index);
+ entry->d_stat.ia_ino = inum;
+
+ if ((local->fd->inode == local->fd->inode->table->root)
+ && !strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR)) {
+ list_del_init (&entry->list);
+ GF_FREE (entry);
+ }
+ }
+ }
+
+ if (priv->strict_readdir) {
+ if (fd_ctx->failed_over) {
+ if (list_empty (&entries->list)) {
+ goto out;
+ }
+
+ offset = afr_filter_entries (entries, local->fd);
+
+ afr_remember_entries (entries, local->fd);
+
+ if (list_empty (&entries->list)) {
+ /* All the entries we got were duplicate. We
+ shouldn't send an empty list now, because
+ that'll make the application stop reading. So
+ try to get more entries */
+
+ gf_log (this->name, GF_LOG_TRACE,
+ "trying to fetch non-duplicate entries from offset %"PRId64", child %s",
+ offset, children[child_index]->name);
+
+ STACK_WIND_COOKIE (frame, afr_readdirp_cbk,
+ (void *) (long) child_index,
+ children[child_index],
+ children[child_index]->fops->readdirp,
+ local->fd, local->cont.readdir.size, offset);
+ return 0;
+ }
+ } else {
+ afr_remember_entries (entries, local->fd);
+ }
+ }
out:
AFR_STACK_UNWIND (readdirp, frame, op_ret, op_errno, entries);
@@ -638,70 +638,70 @@ out:
int32_t
afr_do_readdir (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t offset, int whichop)
+ fd_t *fd, size_t size, off_t offset, int whichop)
{
- afr_private_t * priv = NULL;
- xlator_t ** children = NULL;
- int call_child = 0;
- afr_local_t *local = NULL;
+ afr_private_t * priv = NULL;
+ xlator_t ** children = NULL;
+ int call_child = 0;
+ afr_local_t *local = NULL;
uint64_t ctx;
afr_fd_ctx_t *fd_ctx;
- int ret = -1;
+ int ret = -1;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
+ int32_t op_ret = -1;
+ int32_t op_errno = 0;
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
- priv = this->private;
- children = priv->children;
+ priv = this->private;
+ children = priv->children;
- ALLOC_OR_GOTO (local, afr_local_t, out);
- ret = AFR_LOCAL_INIT (local, priv);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- frame->local = local;
+ frame->local = local;
- call_child = afr_first_up_child (priv);
- if (call_child == -1) {
- op_errno = ENOTCONN;
- gf_log (this->name, GF_LOG_DEBUG,
- "no child is up");
- goto out;
- }
+ call_child = afr_first_up_child (priv);
+ if (call_child == -1) {
+ op_errno = ENOTCONN;
+ gf_log (this->name, GF_LOG_DEBUG,
+ "no child is up");
+ goto out;
+ }
local->fd = fd_ref (fd);
local->cont.readdir.size = size;
- if (priv->strict_readdir) {
- ret = fd_ctx_get (fd, this, &ctx);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_DEBUG,
- "could not get fd ctx for fd=%p", fd);
- op_errno = -ret;
- goto out;
- }
+ if (priv->strict_readdir) {
+ ret = fd_ctx_get (fd, this, &ctx);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "could not get fd ctx for fd=%p", fd);
+ op_errno = -ret;
+ goto out;
+ }
- fd_ctx = (afr_fd_ctx_t *)(long) ctx;
+ fd_ctx = (afr_fd_ctx_t *)(long) ctx;
- if (fd_ctx->last_tried != call_child) {
- gf_log (this->name, GF_LOG_TRACE,
- "first up child has changed from %d to %d, restarting readdir from offset 0",
- fd_ctx->last_tried, call_child);
+ if (fd_ctx->last_tried != call_child) {
+ gf_log (this->name, GF_LOG_TRACE,
+ "first up child has changed from %d to %d, restarting readdir from offset 0",
+ fd_ctx->last_tried, call_child);
- fd_ctx->failed_over = _gf_true;
- offset = 0;
- }
+ fd_ctx->failed_over = _gf_true;
+ offset = 0;
+ }
- fd_ctx->last_tried = call_child;
- }
+ fd_ctx->last_tried = call_child;
+ }
if (whichop == GF_FOP_READDIR)
STACK_WIND_COOKIE (frame, afr_readdir_cbk,
@@ -716,12 +716,12 @@ afr_do_readdir (call_frame_t *frame, xlator_t *this,
children[call_child]->fops->readdirp, fd,
size, offset);
- op_ret = 0;
+ op_ret = 0;
out:
- if (op_ret == -1) {
- AFR_STACK_UNWIND (readdir, frame, op_ret, op_errno, NULL);
- }
- return 0;
+ if (op_ret == -1) {
+ AFR_STACK_UNWIND (readdir, frame, op_ret, op_errno, NULL);
+ }
+ return 0;
}
@@ -746,8 +746,8 @@ afr_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
int32_t
afr_releasedir (xlator_t *this, fd_t *fd)
{
- afr_forget_entries (fd);
+ afr_forget_entries (fd);
afr_cleanup_fd_ctx (this, fd);
- return 0;
+ return 0;
}