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-rw-r--r--xlators/cluster/afr/src/afr-common.c2
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-common.c14
-rw-r--r--xlators/cluster/afr/src/afr-self-heald.c54
3 files changed, 66 insertions, 4 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 92ecb7fb99b..f7cc202d4d1 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -4574,7 +4574,7 @@ afr_heal_splitbrain_file(call_frame_t *frame, xlator_t *this, loc_t *loc)
ret = afr_selfheal_do (frame, this, loc->gfid);
- if (ret == 1) {
+ if (ret == 1 || ret == 2) {
ret = dict_set_str (dict, "sh-fail-msg",
"File not in split-brain");
if (ret)
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.c b/xlators/cluster/afr/src/afr-self-heal-common.c
index fd450be0890..2441f413f3e 100644
--- a/xlators/cluster/afr/src/afr-self-heal-common.c
+++ b/xlators/cluster/afr/src/afr-self-heal-common.c
@@ -1330,6 +1330,11 @@ afr_selfheal_do (call_frame_t *frame, xlator_t *this, uuid_t gfid)
if (ret)
goto out;
+ if (!(data_selfheal || metadata_selfheal || entry_selfheal)) {
+ ret = 2;
+ goto out;
+ }
+
if (data_selfheal)
data_ret = afr_selfheal_data (frame, this, inode);
@@ -1358,9 +1363,12 @@ out:
return ret;
}
/*
- * This is the entry point for healing a given GFID
- * The function returns 0 if self-heal was successful, appropriate errno
- * in case of a failure and 1 in case self-heal was never needed on the gfid.
+ * This is the entry point for healing a given GFID. The return values for this
+ * function are as follows:
+ * '0' if the self-heal is successful
+ * '1' if the afr-xattrs are non-zero (due to on-going IO) and no heal is needed
+ * '2' if the afr-xattrs are all-zero and no heal is needed
+ * $errno if the heal on the gfid failed.
*/
int
diff --git a/xlators/cluster/afr/src/afr-self-heald.c b/xlators/cluster/afr/src/afr-self-heald.c
index cb5bf6ce197..c38440b4c9b 100644
--- a/xlators/cluster/afr/src/afr-self-heald.c
+++ b/xlators/cluster/afr/src/afr-self-heald.c
@@ -238,6 +238,53 @@ afr_shd_index_purge (xlator_t *subvol, inode_t *inode, char *name)
return ret;
}
+void
+afr_shd_zero_xattrop (xlator_t *this, uuid_t gfid)
+{
+
+ call_frame_t *frame = NULL;
+ inode_t *inode = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+ int ret = 0;
+ int i = 0;
+ int raw[AFR_NUM_CHANGE_LOGS] = {0};
+
+ priv = this->private;
+ frame = afr_frame_create (this);
+ if (!frame)
+ goto out;
+ inode = afr_inode_find (this, gfid);
+ if (!inode)
+ goto out;
+ xattr = dict_new();
+ if (!xattr)
+ goto out;
+ ret = dict_set_static_bin (xattr, AFR_DIRTY, raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret)
+ goto out;
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_set_static_bin (xattr, priv->pending_key[i], raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret)
+ goto out;
+ }
+
+ /*Send xattrop to all bricks. Doing a lookup to see if bricks are up or
+ * has valid repies for this gfid seems a bit of an overkill.*/
+ for (i = 0; i < priv->child_count; i++)
+ afr_selfheal_post_op (frame, this, inode, i, xattr);
+
+out:
+ if (frame)
+ AFR_STACK_DESTROY (frame);
+ if (inode)
+ inode_unref (inode);
+ if (xattr)
+ dict_unref (xattr);
+ return;
+}
int
afr_shd_selfheal_name (struct subvol_healer *healer, int child, uuid_t parent,
@@ -369,6 +416,13 @@ afr_shd_index_heal (xlator_t *subvol, gf_dirent_t *entry, loc_t *parent,
if (ret == -ENOENT || ret == -ESTALE)
afr_shd_index_purge (subvol, parent->inode, entry->d_name);
+ if (ret == 2)
+ /* If bricks crashed in pre-op after creating indices/xattrop
+ * link but before setting afr changelogs, we end up with stale
+ * xattrop links but zero changelogs. Remove such entries by
+ * sending a post-op with zero changelogs.
+ */
+ afr_shd_zero_xattrop (healer->this, gfid);
return 0;
}