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authorGluster Ant <bugzilla-bot@gluster.org>2018-09-12 17:52:45 +0530
committerNigel Babu <nigelb@redhat.com>2018-09-12 17:52:45 +0530
commite16868dede6455cab644805af6fe1ac312775e13 (patch)
tree15aebdb4fff2d87cf8a72f836816b3aa634da58d /xlators/cluster/afr/src/afr-dir-read.c
parent45a71c0548b6fd2c757aa2e7b7671a1411948894 (diff)
Land part 2 of clang-format changes
Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4 Signed-off-by: Nigel Babu <nigelb@redhat.com>
Diffstat (limited to 'xlators/cluster/afr/src/afr-dir-read.c')
-rw-r--r--xlators/cluster/afr/src/afr-dir-read.c493
1 files changed, 237 insertions, 256 deletions
diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c
index 76d0cdfa826..4c40e85f393 100644
--- a/xlators/cluster/afr/src/afr-dir-read.c
+++ b/xlators/cluster/afr/src/afr-dir-read.c
@@ -8,7 +8,6 @@
cases as published by the Free Software Foundation.
*/
-
#include <libgen.h>
#include <unistd.h>
#include <fnmatch.h>
@@ -33,327 +32,309 @@
#include "afr.h"
#include "afr-transaction.h"
-
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, dict_t *xdata)
+afr_opendir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = -1;
- int32_t child_index = 0;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- local = frame->local;
- fd_ctx = local->fd_ctx;
- child_index = (long) cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
- } else {
- local->op_ret = op_ret;
- fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- }
+ afr_local_t *local = NULL;
+ int call_count = -1;
+ int32_t child_index = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ local = frame->local;
+ fd_ctx = local->fd_ctx;
+ child_index = (long)cookie;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
+ } else {
+ local->op_ret = op_ret;
+ fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
}
- UNLOCK (&frame->lock);
+ }
+ UNLOCK(&frame->lock);
- call_count = afr_frame_return (frame);
+ call_count = afr_frame_return(frame);
- if (call_count == 0)
- AFR_STACK_UNWIND (opendir, frame, local->op_ret,
- local->op_errno, local->fd, NULL);
- return 0;
+ if (call_count == 0)
+ AFR_STACK_UNWIND(opendir, frame, local->op_ret, local->op_errno,
+ local->fd, NULL);
+ return 0;
}
-
int
-afr_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd)
+afr_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd)
{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
- int i = 0;
- int call_count = -1;
- int32_t op_errno = ENOMEM;
- afr_fd_ctx_t *fd_ctx = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int call_count = -1;
+ int32_t op_errno = ENOMEM;
+ afr_fd_ctx_t *fd_ctx = NULL;
- priv = this->private;
+ priv = this->private;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_OPENDIR;
- if (!afr_is_consistent_io_possible (local, priv, &op_errno))
- goto out;
+ local->op = GF_FOP_OPENDIR;
+ if (!afr_is_consistent_io_possible(local, priv, &op_errno))
+ goto out;
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx)
- goto out;
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx)
+ goto out;
- loc_copy (&local->loc, loc);
+ loc_copy(&local->loc, loc);
- local->fd = fd_ref (fd);
- local->fd_ctx = fd_ctx;
+ local->fd = fd_ref(fd);
+ local->fd_ctx = fd_ctx;
- call_count = local->call_count;
+ call_count = local->call_count;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, afr_opendir_cbk,
- (void*) (long) i,
- priv->children[i],
- priv->children[i]->fops->opendir,
- loc, fd, NULL);
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(frame, afr_opendir_cbk, (void *)(long)i,
+ priv->children[i],
+ priv->children[i]->fops->opendir, loc, fd, NULL);
- if (!--call_count)
- break;
- }
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (opendir, frame, -1, op_errno, fd, NULL);
- return 0;
+ AFR_STACK_UNWIND(opendir, frame, -1, op_errno, fd, NULL);
+ return 0;
}
static int
-afr_validate_read_subvol (inode_t *inode, xlator_t *this, int par_read_subvol)
+afr_validate_read_subvol(inode_t *inode, xlator_t *this, int par_read_subvol)
{
- int gen = 0;
- int entry_read_subvol = 0;
- unsigned char *data_readable = NULL;
- unsigned char *metadata_readable = NULL;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- data_readable = alloca0 (priv->child_count);
- metadata_readable = alloca0 (priv->child_count);
-
- afr_inode_read_subvol_get (inode, this, data_readable,
- metadata_readable, &gen);
-
- if (gen != priv->event_generation ||
- !data_readable[par_read_subvol] ||
- !metadata_readable[par_read_subvol])
- return -1;
-
- /* Once the control reaches the following statement, it means that the
- * parent's read subvol is perfectly readable. So calling
- * either afr_data_subvol_get() or afr_metadata_subvol_get() would
- * yield the same result. Hence, choosing afr_data_subvol_get() below.
- */
-
- if (!priv->consistent_metadata)
- return 0;
-
- /* For an inode fetched through readdirp which is yet to be linked,
- * inode ctx would not be initialised (yet). So this function returns
- * -1 above due to gen being 0, which is why it is OK to pass NULL for
- * read_subvol_args here.
- */
- entry_read_subvol = afr_data_subvol_get (inode, this, NULL, NULL,
- NULL, NULL);
- if (entry_read_subvol != par_read_subvol)
- return -1;
-
+ int gen = 0;
+ int entry_read_subvol = 0;
+ unsigned char *data_readable = NULL;
+ unsigned char *metadata_readable = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ data_readable = alloca0(priv->child_count);
+ metadata_readable = alloca0(priv->child_count);
+
+ afr_inode_read_subvol_get(inode, this, data_readable, metadata_readable,
+ &gen);
+
+ if (gen != priv->event_generation || !data_readable[par_read_subvol] ||
+ !metadata_readable[par_read_subvol])
+ return -1;
+
+ /* Once the control reaches the following statement, it means that the
+ * parent's read subvol is perfectly readable. So calling
+ * either afr_data_subvol_get() or afr_metadata_subvol_get() would
+ * yield the same result. Hence, choosing afr_data_subvol_get() below.
+ */
+
+ if (!priv->consistent_metadata)
return 0;
+ /* For an inode fetched through readdirp which is yet to be linked,
+ * inode ctx would not be initialised (yet). So this function returns
+ * -1 above due to gen being 0, which is why it is OK to pass NULL for
+ * read_subvol_args here.
+ */
+ entry_read_subvol = afr_data_subvol_get(inode, this, NULL, NULL, NULL,
+ NULL);
+ if (entry_read_subvol != par_read_subvol)
+ return -1;
+
+ return 0;
}
static void
-afr_readdir_transform_entries (gf_dirent_t *subvol_entries, int subvol,
- gf_dirent_t *entries, fd_t *fd)
+afr_readdir_transform_entries(gf_dirent_t *subvol_entries, int subvol,
+ gf_dirent_t *entries, fd_t *fd)
{
- int ret = -1;
- gf_dirent_t *entry = NULL;
- gf_dirent_t *tmp = NULL;
- xlator_t *this = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t need_heal = _gf_false;
- gf_boolean_t validate_subvol = _gf_false;
-
- this = THIS;
- priv = this->private;
-
- need_heal = afr_get_need_heal (this);
- validate_subvol = need_heal | priv->consistent_metadata;
-
- list_for_each_entry_safe (entry, tmp, &subvol_entries->list, list) {
- if (__is_root_gfid (fd->inode->gfid) &&
- !strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR)) {
- continue;
- }
-
- list_del_init (&entry->list);
- list_add_tail (&entry->list, &entries->list);
-
- if (!validate_subvol)
- continue;
-
- if (entry->inode) {
- ret = afr_validate_read_subvol (entry->inode, this,
- subvol);
- if (ret == -1) {
- inode_unref (entry->inode);
- entry->inode = NULL;
- continue;
- }
- }
+ int ret = -1;
+ gf_dirent_t *entry = NULL;
+ gf_dirent_t *tmp = NULL;
+ xlator_t *this = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t need_heal = _gf_false;
+ gf_boolean_t validate_subvol = _gf_false;
+
+ this = THIS;
+ priv = this->private;
+
+ need_heal = afr_get_need_heal(this);
+ validate_subvol = need_heal | priv->consistent_metadata;
+
+ list_for_each_entry_safe(entry, tmp, &subvol_entries->list, list)
+ {
+ if (__is_root_gfid(fd->inode->gfid) &&
+ !strcmp(entry->d_name, GF_REPLICATE_TRASH_DIR)) {
+ continue;
}
-}
+ list_del_init(&entry->list);
+ list_add_tail(&entry->list, &entries->list);
+
+ if (!validate_subvol)
+ continue;
+
+ if (entry->inode) {
+ ret = afr_validate_read_subvol(entry->inode, this, subvol);
+ if (ret == -1) {
+ inode_unref(entry->inode);
+ entry->inode = NULL;
+ continue;
+ }
+ }
+ }
+}
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 *subvol_entries,
- dict_t *xdata)
+afr_readdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *subvol_entries,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- gf_dirent_t entries;
+ afr_local_t *local = NULL;
+ gf_dirent_t entries;
- INIT_LIST_HEAD (&entries.list);
+ INIT_LIST_HEAD(&entries.list);
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0 && !local->cont.readdir.offset) {
- /* failover only if this was first readdir, detected
- by offset == 0 */
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if (op_ret < 0 && !local->cont.readdir.offset) {
+ /* failover only if this was first readdir, detected
+ by offset == 0 */
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- if (op_ret >= 0)
- afr_readdir_transform_entries (subvol_entries, (long) cookie,
- &entries, local->fd);
+ if (op_ret >= 0)
+ afr_readdir_transform_entries(subvol_entries, (long)cookie, &entries,
+ local->fd);
- AFR_STACK_UNWIND (readdir, frame, op_ret, op_errno, &entries, xdata);
+ AFR_STACK_UNWIND(readdir, frame, op_ret, op_errno, &entries, xdata);
- gf_dirent_free (&entries);
+ gf_dirent_free(&entries);
- return 0;
+ return 0;
}
-
int
-afr_readdir_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_readdir_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- priv = this->private;
- local = frame->local;
- fd_ctx = afr_fd_ctx_get (local->fd, this);
- if (!fd_ctx) {
- local->op_errno = EINVAL;
- local->op_ret = -1;
- }
-
- if (subvol == -1 || !fd_ctx) {
- AFR_STACK_UNWIND (readdir, frame, local->op_ret,
- local->op_errno, 0, 0);
- return 0;
- }
-
- fd_ctx->readdir_subvol = subvol;
-
- if (local->op == GF_FOP_READDIR)
- STACK_WIND_COOKIE (frame, afr_readdir_cbk,
- (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->readdir,
- local->fd, local->cont.readdir.size,
- local->cont.readdir.offset,
- local->xdata_req);
- else
- STACK_WIND_COOKIE (frame, afr_readdir_cbk,
- (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->readdirp,
- local->fd, local->cont.readdir.size,
- local->cont.readdir.offset,
- local->xdata_req);
- return 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ priv = this->private;
+ local = frame->local;
+ fd_ctx = afr_fd_ctx_get(local->fd, this);
+ if (!fd_ctx) {
+ local->op_errno = EINVAL;
+ local->op_ret = -1;
+ }
+
+ if (subvol == -1 || !fd_ctx) {
+ AFR_STACK_UNWIND(readdir, frame, local->op_ret, local->op_errno, 0, 0);
+ return 0;
+ }
+
+ fd_ctx->readdir_subvol = subvol;
+
+ if (local->op == GF_FOP_READDIR)
+ STACK_WIND_COOKIE(frame, afr_readdir_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->readdir, local->fd,
+ local->cont.readdir.size, local->cont.readdir.offset,
+ local->xdata_req);
+ else
+ STACK_WIND_COOKIE(frame, afr_readdir_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->readdirp, local->fd,
+ local->cont.readdir.size, local->cont.readdir.offset,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_do_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, int whichop, dict_t *dict)
+afr_do_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, int whichop, dict_t *dict)
{
- afr_local_t *local = NULL;
- int32_t op_errno = 0;
- int subvol = -1;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx) {
- op_errno = EINVAL;
- goto out;
- }
-
- local->op = whichop;
- local->fd = fd_ref (fd);
- local->cont.readdir.size = size;
- local->cont.readdir.offset = offset;
- local->xdata_req = (dict)? dict_ref (dict) : NULL;
-
- subvol = fd_ctx->readdir_subvol;
-
- if (offset == 0 || subvol == -1) {
- /* First readdir has option of failing over and selecting
- an appropriate read subvolume */
- afr_read_txn (frame, this, fd->inode, afr_readdir_wind,
- AFR_DATA_TRANSACTION);
- } else {
- /* But continued readdirs MUST stick to the same subvolume
- without an option to failover */
- afr_readdir_wind (frame, this, subvol);
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
+ int subvol = -1;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx) {
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ local->op = whichop;
+ local->fd = fd_ref(fd);
+ local->cont.readdir.size = size;
+ local->cont.readdir.offset = offset;
+ local->xdata_req = (dict) ? dict_ref(dict) : NULL;
+
+ subvol = fd_ctx->readdir_subvol;
+
+ if (offset == 0 || subvol == -1) {
+ /* First readdir has option of failing over and selecting
+ an appropriate read subvolume */
+ afr_read_txn(frame, this, fd->inode, afr_readdir_wind,
+ AFR_DATA_TRANSACTION);
+ } else {
+ /* But continued readdirs MUST stick to the same subvolume
+ without an option to failover */
+ afr_readdir_wind(frame, this, subvol);
+ }
+
+ return 0;
out:
- AFR_STACK_UNWIND (readdir, frame, -1, op_errno, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(readdir, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
-
int32_t
-afr_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, dict_t *xdata)
+afr_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *xdata)
{
- afr_do_readdir (frame, this, fd, size, offset, GF_FOP_READDIR, xdata);
+ afr_do_readdir(frame, this, fd, size, offset, GF_FOP_READDIR, xdata);
- return 0;
+ return 0;
}
-
int32_t
-afr_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, dict_t *dict)
+afr_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *dict)
{
- afr_do_readdir (frame, this, fd, size, offset, GF_FOP_READDIRP, dict);
+ afr_do_readdir(frame, this, fd, size, offset, GF_FOP_READDIRP, dict);
- return 0;
+ return 0;
}
-
int32_t
-afr_releasedir (xlator_t *this, fd_t *fd)
+afr_releasedir(xlator_t *this, fd_t *fd)
{
- afr_cleanup_fd_ctx (this, fd);
+ afr_cleanup_fd_ctx(this, fd);
- return 0;
+ return 0;
}