summaryrefslogtreecommitdiffstats
path: root/xlators/cluster/afr/src/afr-self-heal-metadata.c
diff options
context:
space:
mode:
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-self-heal-metadata.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-self-heal-metadata.c')
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-metadata.c820
1 files changed, 402 insertions, 418 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-metadata.c b/xlators/cluster/afr/src/afr-self-heal-metadata.c
index 199f8961480..be6e574b6ca 100644
--- a/xlators/cluster/afr/src/afr-self-heal-metadata.c
+++ b/xlators/cluster/afr/src/afr-self-heal-metadata.c
@@ -8,109 +8,108 @@
cases as published by the Free Software Foundation.
*/
-
#include "afr.h"
#include "afr-self-heal.h"
#include "byte-order.h"
#include "protocol-common.h"
#include "events.h"
-#define AFR_HEAL_ATTR (GF_SET_ATTR_UID|GF_SET_ATTR_GID|GF_SET_ATTR_MODE)
+#define AFR_HEAL_ATTR (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE)
static gf_boolean_t
-_afr_ignorable_key_match (dict_t *d, char *k, data_t *val, void *mdata)
+_afr_ignorable_key_match(dict_t *d, char *k, data_t *val, void *mdata)
{
- return afr_is_xattr_ignorable (k);
+ return afr_is_xattr_ignorable(k);
}
void
-afr_delete_ignorable_xattrs (dict_t *xattr)
+afr_delete_ignorable_xattrs(dict_t *xattr)
{
- dict_foreach_match (xattr, _afr_ignorable_key_match, NULL,
- dict_remove_foreach_fn, NULL);
+ dict_foreach_match(xattr, _afr_ignorable_key_match, NULL,
+ dict_remove_foreach_fn, NULL);
}
int
-__afr_selfheal_metadata_do (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int source, unsigned char *healed_sinks,
- struct afr_reply *locked_replies)
+__afr_selfheal_metadata_do(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int source, unsigned char *healed_sinks,
+ struct afr_reply *locked_replies)
{
- int ret = -1;
- loc_t loc = {0,};
- dict_t *xattr = NULL;
- dict_t *old_xattr = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
-
- priv = this->private;
-
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_SELF_HEAL_INFO, "performing metadata selfheal on %s",
- uuid_utoa (inode->gfid));
-
- ret = syncop_getxattr (priv->children[source], &loc, &xattr, NULL,
- NULL, NULL);
- if (ret < 0) {
- ret = -EIO;
- goto out;
- }
-
- afr_delete_ignorable_xattrs (xattr);
-
- for (i = 0; i < priv->child_count; i++) {
- if (old_xattr) {
- dict_unref (old_xattr);
- old_xattr = NULL;
- }
-
- if (!healed_sinks[i])
- continue;
-
- ret = syncop_setattr (priv->children[i], &loc,
- &locked_replies[source].poststat,
- AFR_HEAL_ATTR, NULL, NULL, NULL, NULL);
- if (ret)
- healed_sinks[i] = 0;
-
- ret = syncop_getxattr (priv->children[i], &loc, &old_xattr, 0,
- NULL, NULL);
- if (old_xattr) {
- afr_delete_ignorable_xattrs (old_xattr);
- ret = syncop_removexattr (priv->children[i], &loc, "",
- old_xattr, NULL);
- if (ret)
- healed_sinks[i] = 0;
- }
-
- ret = syncop_setxattr (priv->children[i], &loc, xattr, 0, NULL,
- NULL);
- if (ret)
- healed_sinks[i] = 0;
- }
- ret = 0;
+ int ret = -1;
+ loc_t loc = {
+ 0,
+ };
+ dict_t *xattr = NULL;
+ dict_t *old_xattr = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+
+ priv = this->private;
+
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
+
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
+ "performing metadata selfheal on %s", uuid_utoa(inode->gfid));
+
+ ret = syncop_getxattr(priv->children[source], &loc, &xattr, NULL, NULL,
+ NULL);
+ if (ret < 0) {
+ ret = -EIO;
+ goto out;
+ }
+
+ afr_delete_ignorable_xattrs(xattr);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (old_xattr) {
+ dict_unref(old_xattr);
+ old_xattr = NULL;
+ }
+
+ if (!healed_sinks[i])
+ continue;
+
+ ret = syncop_setattr(priv->children[i], &loc,
+ &locked_replies[source].poststat, AFR_HEAL_ATTR,
+ NULL, NULL, NULL, NULL);
+ if (ret)
+ healed_sinks[i] = 0;
+
+ ret = syncop_getxattr(priv->children[i], &loc, &old_xattr, 0, NULL,
+ NULL);
+ if (old_xattr) {
+ afr_delete_ignorable_xattrs(old_xattr);
+ ret = syncop_removexattr(priv->children[i], &loc, "", old_xattr,
+ NULL);
+ if (ret)
+ healed_sinks[i] = 0;
+ }
+
+ ret = syncop_setxattr(priv->children[i], &loc, xattr, 0, NULL, NULL);
+ if (ret)
+ healed_sinks[i] = 0;
+ }
+ ret = 0;
out:
- loc_wipe (&loc);
- if (xattr)
- dict_unref (xattr);
- if (old_xattr)
- dict_unref (old_xattr);
+ loc_wipe(&loc);
+ if (xattr)
+ dict_unref(xattr);
+ if (old_xattr)
+ dict_unref(old_xattr);
- return ret;
+ return ret;
}
static uint64_t
mtime_ns(struct iatt *ia)
{
- uint64_t ret;
+ uint64_t ret;
- ret = (((uint64_t)(ia->ia_mtime)) * 1000000000)
- + (uint64_t)(ia->ia_mtime_nsec);
+ ret = (((uint64_t)(ia->ia_mtime)) * 1000000000) +
+ (uint64_t)(ia->ia_mtime_nsec);
- return ret;
+ return ret;
}
/*
@@ -123,382 +122,367 @@ mtime_ns(struct iatt *ia)
* the source with the most recent modification date.
*/
static int
-afr_dirtime_splitbrain_source (call_frame_t *frame, xlator_t *this,
- struct afr_reply *replies,
- unsigned char *locked_on)
+afr_dirtime_splitbrain_source(call_frame_t *frame, xlator_t *this,
+ struct afr_reply *replies,
+ unsigned char *locked_on)
{
- afr_private_t *priv = NULL;
- int source = -1;
- struct iatt source_ia;
- struct iatt child_ia;
- uint64_t mtime = 0;
- int i;
- int ret = -1;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!locked_on[i])
- continue;
-
- if (!replies[i].valid)
- continue;
-
- if (replies[i].op_ret != 0)
- continue;
-
- if (mtime_ns(&replies[i].poststat) <= mtime)
- continue;
-
- mtime = mtime_ns(&replies[i].poststat);
- source = i;
- }
-
- if (source == -1)
- goto out;
-
- source_ia = replies[source].poststat;
- if (source_ia.ia_type != IA_IFDIR)
- goto out;
-
- for (i = 0; i < priv->child_count; i++) {
- if (i == source)
- continue;
-
- if (!replies[i].valid)
- continue;
-
- if (replies[i].op_ret != 0)
- continue;
-
- child_ia = replies[i].poststat;
-
- if (!IA_EQUAL(source_ia, child_ia, gfid) ||
- !IA_EQUAL(source_ia, child_ia, type) ||
- !IA_EQUAL(source_ia, child_ia, prot) ||
- !IA_EQUAL(source_ia, child_ia, uid) ||
- !IA_EQUAL(source_ia, child_ia, gid) ||
- !afr_xattrs_are_equal (replies[source].xdata,
- replies[i].xdata))
- goto out;
- }
-
- /*
- * Metadata split brain is just about [amc]time
- * We return our source.
- */
- ret = source;
+ afr_private_t *priv = NULL;
+ int source = -1;
+ struct iatt source_ia;
+ struct iatt child_ia;
+ uint64_t mtime = 0;
+ int i;
+ int ret = -1;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!locked_on[i])
+ continue;
+
+ if (!replies[i].valid)
+ continue;
+
+ if (replies[i].op_ret != 0)
+ continue;
+
+ if (mtime_ns(&replies[i].poststat) <= mtime)
+ continue;
+
+ mtime = mtime_ns(&replies[i].poststat);
+ source = i;
+ }
+
+ if (source == -1)
+ goto out;
+
+ source_ia = replies[source].poststat;
+ if (source_ia.ia_type != IA_IFDIR)
+ goto out;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == source)
+ continue;
+
+ if (!replies[i].valid)
+ continue;
+
+ if (replies[i].op_ret != 0)
+ continue;
+
+ child_ia = replies[i].poststat;
+
+ if (!IA_EQUAL(source_ia, child_ia, gfid) ||
+ !IA_EQUAL(source_ia, child_ia, type) ||
+ !IA_EQUAL(source_ia, child_ia, prot) ||
+ !IA_EQUAL(source_ia, child_ia, uid) ||
+ !IA_EQUAL(source_ia, child_ia, gid) ||
+ !afr_xattrs_are_equal(replies[source].xdata, replies[i].xdata))
+ goto out;
+ }
+
+ /*
+ * Metadata split brain is just about [amc]time
+ * We return our source.
+ */
+ ret = source;
out:
- return ret;
+ return ret;
}
-
/*
* Look for mismatching uid/gid or mode or user xattrs even if
* AFR xattrs don't say so, and pick one arbitrarily as winner. */
static int
-__afr_selfheal_metadata_finalize_source (call_frame_t *frame, xlator_t *this,
- inode_t *inode,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- unsigned char *locked_on,
- struct afr_reply *replies)
+__afr_selfheal_metadata_finalize_source(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *sources,
+ unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ unsigned char *locked_on,
+ struct afr_reply *replies)
{
- int i = 0;
- afr_private_t *priv = NULL;
- struct iatt srcstat = {0, };
- int source = -1;
- int sources_count = 0;
-
- priv = this->private;
-
- sources_count = AFR_COUNT (sources, priv->child_count);
-
- if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
- || !sources_count) {
-
- source = afr_mark_split_brain_source_sinks (frame, this, inode,
- sources, sinks,
- healed_sinks,
- locked_on, replies,
- AFR_METADATA_TRANSACTION);
- if (source >= 0) {
- _afr_fav_child_reset_sink_xattrs (frame, this, inode,
- source, healed_sinks,
- undid_pending,
- AFR_METADATA_TRANSACTION,
- locked_on, replies);
- goto out;
- }
-
- /* If this is a directory mtime/ctime only split brain
- use the most recent */
- source = afr_dirtime_splitbrain_source (frame, this,
- replies, locked_on);
- if (source != -1) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_SPLIT_BRAIN, "clear time "
- "split brain on %s",
- uuid_utoa (replies[source].poststat.ia_gfid));
- sources[source] = 1;
- healed_sinks[source] = 0;
- goto out;
- }
-
- if (!priv->metadata_splitbrain_forced_heal) {
- gf_event (EVENT_AFR_SPLIT_BRAIN, "subvol=%s;"
- "type=metadata;file=%s",
- this->name, uuid_utoa(inode->gfid));
- return -EIO;
- }
-
- /* Metadata split brain, select one subvol
- arbitrarily */
- for (i = 0; i < priv->child_count; i++) {
- if (locked_on[i] && healed_sinks[i]) {
- sources[i] = 1;
- healed_sinks[i] = 0;
- break;
- }
- }
- }
-
- /* No split brain at this point. If we were called from
- * afr_heal_splitbrain_file(), abort.*/
- if (afr_dict_contains_heal_op(frame))
- return -EIO;
-
- source = afr_choose_source_by_policy (priv, sources,
- AFR_METADATA_TRANSACTION);
- srcstat = replies[source].poststat;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i] || i == source)
- continue;
- if (!IA_EQUAL (srcstat, replies[i].poststat, type) ||
- !IA_EQUAL (srcstat, replies[i].poststat, uid) ||
- !IA_EQUAL (srcstat, replies[i].poststat, gid) ||
- !IA_EQUAL (srcstat, replies[i].poststat, prot)) {
- gf_msg_debug (this->name, 0, "%s: iatt mismatch "
- "for source(%d) vs (%d)",
- uuid_utoa
- (replies[source].poststat.ia_gfid),
- source, i);
- sources[i] = 0;
- healed_sinks[i] = 1;
- }
- }
-
- for (i =0; i < priv->child_count; i++) {
- if (!sources[i] || i == source)
- continue;
- if (!afr_xattrs_are_equal (replies[source].xdata,
- replies[i].xdata)) {
- gf_msg_debug (this->name, 0, "%s: xattr mismatch "
- "for source(%d) vs (%d)",
- uuid_utoa
- (replies[source].poststat.ia_gfid),
- source, i);
- sources[i] = 0;
- healed_sinks[i] = 1;
- }
+ int i = 0;
+ afr_private_t *priv = NULL;
+ struct iatt srcstat = {
+ 0,
+ };
+ int source = -1;
+ int sources_count = 0;
+
+ priv = this->private;
+
+ sources_count = AFR_COUNT(sources, priv->child_count);
+
+ if ((AFR_CMP(locked_on, healed_sinks, priv->child_count) == 0) ||
+ !sources_count) {
+ source = afr_mark_split_brain_source_sinks(
+ frame, this, inode, sources, sinks, healed_sinks, locked_on,
+ replies, AFR_METADATA_TRANSACTION);
+ if (source >= 0) {
+ _afr_fav_child_reset_sink_xattrs(
+ frame, this, inode, source, healed_sinks, undid_pending,
+ AFR_METADATA_TRANSACTION, locked_on, replies);
+ goto out;
+ }
+
+ /* If this is a directory mtime/ctime only split brain
+ use the most recent */
+ source = afr_dirtime_splitbrain_source(frame, this, replies, locked_on);
+ if (source != -1) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SPLIT_BRAIN,
+ "clear time "
+ "split brain on %s",
+ uuid_utoa(replies[source].poststat.ia_gfid));
+ sources[source] = 1;
+ healed_sinks[source] = 0;
+ goto out;
}
+ if (!priv->metadata_splitbrain_forced_heal) {
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "subvol=%s;"
+ "type=metadata;file=%s",
+ this->name, uuid_utoa(inode->gfid));
+ return -EIO;
+ }
+
+ /* Metadata split brain, select one subvol
+ arbitrarily */
+ for (i = 0; i < priv->child_count; i++) {
+ if (locked_on[i] && healed_sinks[i]) {
+ sources[i] = 1;
+ healed_sinks[i] = 0;
+ break;
+ }
+ }
+ }
+
+ /* No split brain at this point. If we were called from
+ * afr_heal_splitbrain_file(), abort.*/
+ if (afr_dict_contains_heal_op(frame))
+ return -EIO;
+
+ source = afr_choose_source_by_policy(priv, sources,
+ AFR_METADATA_TRANSACTION);
+ srcstat = replies[source].poststat;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i] || i == source)
+ continue;
+ if (!IA_EQUAL(srcstat, replies[i].poststat, type) ||
+ !IA_EQUAL(srcstat, replies[i].poststat, uid) ||
+ !IA_EQUAL(srcstat, replies[i].poststat, gid) ||
+ !IA_EQUAL(srcstat, replies[i].poststat, prot)) {
+ gf_msg_debug(this->name, 0,
+ "%s: iatt mismatch "
+ "for source(%d) vs (%d)",
+ uuid_utoa(replies[source].poststat.ia_gfid), source,
+ i);
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i] || i == source)
+ continue;
+ if (!afr_xattrs_are_equal(replies[source].xdata, replies[i].xdata)) {
+ gf_msg_debug(this->name, 0,
+ "%s: xattr mismatch "
+ "for source(%d) vs (%d)",
+ uuid_utoa(replies[source].poststat.ia_gfid), source,
+ i);
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+
out:
- afr_mark_active_sinks (this, sources, locked_on, healed_sinks);
- return source;
+ afr_mark_active_sinks(this, sources, locked_on, healed_sinks);
+ return source;
}
-
int
-__afr_selfheal_metadata_prepare (call_frame_t *frame, xlator_t *this, inode_t *inode,
- unsigned char *locked_on, unsigned char *sources,
- unsigned char *sinks, unsigned char *healed_sinks,
- unsigned char *undid_pending,
- struct afr_reply *replies, gf_boolean_t *pflag)
+__afr_selfheal_metadata_prepare(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ struct afr_reply *replies, gf_boolean_t *pflag)
{
- int ret = -1;
- int source = -1;
- afr_private_t *priv = NULL;
- int i = 0;
- uint64_t *witness = NULL;
+ int ret = -1;
+ int source = -1;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ uint64_t *witness = NULL;
- priv = this->private;
+ priv = this->private;
- ret = afr_selfheal_unlocked_discover (frame, inode, inode->gfid,
- replies);
- if (ret)
- return ret;
-
- witness = alloca0 (sizeof (*witness) * priv->child_count);
- ret = afr_selfheal_find_direction (frame, this, replies,
- AFR_METADATA_TRANSACTION,
- locked_on, sources, sinks, witness,
- pflag);
- if (ret)
- return ret;
-
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
-
- /* If any source has witness, pick first
- * witness source and make everybody else sinks */
- for (i = 0; i < priv->child_count; i++) {
- if (sources[i] && witness[i]) {
- source = i;
- break;
- }
- }
+ ret = afr_selfheal_unlocked_discover(frame, inode, inode->gfid, replies);
+ if (ret)
+ return ret;
- if (source != -1) {
- for (i = 0; i < priv->child_count; i++) {
- if (i != source && sources[i]) {
- sources[i] = 0;
- healed_sinks[i] = 1;
- }
- }
+ witness = alloca0(sizeof(*witness) * priv->child_count);
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_METADATA_TRANSACTION, locked_on,
+ sources, sinks, witness, pflag);
+ if (ret)
+ return ret;
+
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT(healed_sinks, sinks, locked_on, priv->child_count);
+
+ /* If any source has witness, pick first
+ * witness source and make everybody else sinks */
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i] && witness[i]) {
+ source = i;
+ break;
}
+ }
- source = __afr_selfheal_metadata_finalize_source (frame, this, inode,
- sources, sinks,
- healed_sinks,
- undid_pending,
- locked_on, replies);
+ if (source != -1) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (i != source && sources[i]) {
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+ }
- if (source < 0)
- return -EIO;
+ source = __afr_selfheal_metadata_finalize_source(
+ frame, this, inode, sources, sinks, healed_sinks, undid_pending,
+ locked_on, replies);
- return source;
-}
+ if (source < 0)
+ return -EIO;
-int
-afr_selfheal_metadata (call_frame_t *frame, xlator_t *this, inode_t *inode)
-{
- afr_private_t *priv = NULL;
- int ret = -1;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *data_lock = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- struct afr_reply *locked_replies = NULL;
- gf_boolean_t did_sh = _gf_true;
- int source = -1;
-
- priv = this->private;
-
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
- data_lock = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = afr_selfheal_inodelk (frame, this, inode, this->name,
- LLONG_MAX - 1, 0, data_lock);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS) {
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_metadata_prepare (frame, this, inode,
- data_lock, sources,
- sinks, healed_sinks,
- undid_pending,
- locked_replies, NULL);
- if (ret < 0)
- goto unlock;
-
- source = ret;
-
- if (AFR_COUNT (healed_sinks, priv->child_count) == 0) {
- did_sh = _gf_false;
- goto unlock;
- }
-
- ret = __afr_selfheal_metadata_do (frame, this, inode, source,
- healed_sinks, locked_replies);
- if (ret)
- goto unlock;
-
- /* Restore atime/mtime for files that don't need data heal as
- * restoring timestamps happens only as a part of data-heal.
- */
- if (!IA_ISREG (locked_replies[source].poststat.ia_type))
- afr_selfheal_restore_time (frame, this, inode, source,
- healed_sinks, locked_replies);
-
- ret = afr_selfheal_undo_pending (frame, this, inode, sources,
- sinks, healed_sinks,
- undid_pending,
- AFR_METADATA_TRANSACTION,
- locked_replies, data_lock);
- }
-unlock:
- afr_selfheal_uninodelk (frame, this, inode, this->name,
- LLONG_MAX -1, 0, data_lock);
-
- if (did_sh)
- afr_log_selfheal (inode->gfid, this, ret, "metadata", source,
- sources, healed_sinks);
- else
- ret = 1;
-
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
- return ret;
+ return source;
}
int
-afr_selfheal_metadata_by_stbuf (xlator_t *this, struct iatt *stbuf)
+afr_selfheal_metadata(call_frame_t *frame, xlator_t *this, inode_t *inode)
{
- inode_t *inode = NULL;
- inode_t *link_inode = NULL;
- call_frame_t *frame = NULL;
- int ret = 0;
-
- if (gf_uuid_is_null (stbuf->ia_gfid)) {
- ret = -EINVAL;
- goto out;
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *data_lock = NULL;
+ unsigned char *healed_sinks = NULL;
+ unsigned char *undid_pending = NULL;
+ struct afr_reply *locked_replies = NULL;
+ gf_boolean_t did_sh = _gf_true;
+ int source = -1;
+
+ priv = this->private;
+
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+ undid_pending = alloca0(priv->child_count);
+ data_lock = alloca0(priv->child_count);
+
+ locked_replies = alloca0(sizeof(*locked_replies) * priv->child_count);
+
+ ret = afr_selfheal_inodelk(frame, this, inode, this->name, LLONG_MAX - 1, 0,
+ data_lock);
+ {
+ if (ret < AFR_SH_MIN_PARTICIPANTS) {
+ ret = -ENOTCONN;
+ goto unlock;
}
- inode = inode_new (this->itable);
- if (!inode) {
- ret = -ENOMEM;
- goto out;
- }
+ ret = __afr_selfheal_metadata_prepare(
+ frame, this, inode, data_lock, sources, sinks, healed_sinks,
+ undid_pending, locked_replies, NULL);
+ if (ret < 0)
+ goto unlock;
- link_inode = inode_link (inode, NULL, NULL, stbuf);
- if (!link_inode) {
- ret = -ENOMEM;
- goto out;
- }
+ source = ret;
- frame = afr_frame_create (this, &ret);
- if (!frame) {
- ret = -ret;
- goto out;
+ if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
+ did_sh = _gf_false;
+ goto unlock;
}
- ret = afr_selfheal_metadata (frame, this, link_inode);
+ ret = __afr_selfheal_metadata_do(frame, this, inode, source,
+ healed_sinks, locked_replies);
+ if (ret)
+ goto unlock;
+
+ /* Restore atime/mtime for files that don't need data heal as
+ * restoring timestamps happens only as a part of data-heal.
+ */
+ if (!IA_ISREG(locked_replies[source].poststat.ia_type))
+ afr_selfheal_restore_time(frame, this, inode, source, healed_sinks,
+ locked_replies);
+
+ ret = afr_selfheal_undo_pending(
+ frame, this, inode, sources, sinks, healed_sinks, undid_pending,
+ AFR_METADATA_TRANSACTION, locked_replies, data_lock);
+ }
+unlock:
+ afr_selfheal_uninodelk(frame, this, inode, this->name, LLONG_MAX - 1, 0,
+ data_lock);
+
+ if (did_sh)
+ afr_log_selfheal(inode->gfid, this, ret, "metadata", source, sources,
+ healed_sinks);
+ else
+ ret = 1;
+
+ if (locked_replies)
+ afr_replies_wipe(locked_replies, priv->child_count);
+ return ret;
+}
+
+int
+afr_selfheal_metadata_by_stbuf(xlator_t *this, struct iatt *stbuf)
+{
+ inode_t *inode = NULL;
+ inode_t *link_inode = NULL;
+ call_frame_t *frame = NULL;
+ int ret = 0;
+
+ if (gf_uuid_is_null(stbuf->ia_gfid)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ inode = inode_new(this->itable);
+ if (!inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ link_inode = inode_link(inode, NULL, NULL, stbuf);
+ if (!link_inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ frame = afr_frame_create(this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+
+ ret = afr_selfheal_metadata(frame, this, link_inode);
out:
- if (inode)
- inode_unref (inode);
- if (link_inode)
- inode_unref (link_inode);
- if (frame)
- AFR_STACK_DESTROY (frame);
- return ret;
+ if (inode)
+ inode_unref(inode);
+ if (link_inode)
+ inode_unref(link_inode);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ return ret;
}