diff options
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-common.c | 51 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-common.h | 3 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-data.c | 17 |
3 files changed, 61 insertions, 10 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.c b/xlators/cluster/afr/src/afr-self-heal-common.c index 93392699eca..e0af66952ac 100644 --- a/xlators/cluster/afr/src/afr-self-heal-common.c +++ b/xlators/cluster/afr/src/afr-self-heal-common.c @@ -542,6 +542,28 @@ out: } int +afr_get_no_xattr_dir_read_child (xlator_t *this, int32_t *success_children, + struct iatt *bufs) +{ + afr_private_t *priv = NULL; + int i = 0; + int child = -1; + int read_child = -1; + + priv = this->private; + for (i = 0; i < priv->child_count; i++) { + child = success_children[i]; + if (child < 0) + break; + if (read_child < 0) + read_child = child; + else if (bufs[read_child].ia_size < bufs[child].ia_size) + read_child = child; + } + return read_child; +} + +int afr_sh_mark_zero_size_file_as_sink (struct iatt *bufs, int32_t *success_children, int child_count, int32_t *sources) { @@ -1268,7 +1290,8 @@ afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this, loc_t *loc = NULL; int32_t subvol_status = 0; afr_transaction_type txn_type = AFR_DATA_TRANSACTION; - gf_boolean_t data_split_brain = _gf_false; + gf_boolean_t split_brain = _gf_false; + int read_child = -1; local = frame->local; sh = &local->self_heal; @@ -1293,11 +1316,25 @@ afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this, gf_log (this->name, GF_LOG_INFO, "No sources for dir of %s," " in missing entry self-heal, continuing with the rest" " of the self-heals", local->loc.path); - if ((txn_type == AFR_DATA_TRANSACTION) && - (subvol_status & SPLIT_BRAIN)) { - data_split_brain = _gf_true; - sh->sources[sh->success_children[0]] = 1; - nsources = 1; + if (subvol_status & SPLIT_BRAIN) { + split_brain = _gf_true; + switch (txn_type) { + case AFR_DATA_TRANSACTION: + nsources = 1; + sh->sources[sh->success_children[0]] = 1; + break; + case AFR_ENTRY_TRANSACTION: + read_child = afr_get_no_xattr_dir_read_child + (this, + sh->success_children, + sh->buf); + sh->sources[read_child] = 1; + nsources = 1; + break; + default: + op_errno = EIO; + goto out; + } } else { op_errno = EIO; goto out; @@ -1318,7 +1355,7 @@ afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this, sh->type = sh->buf[sh->source].ia_type; if (uuid_is_null (loc->inode->gfid)) uuid_copy (loc->gfid, sh->buf[sh->source].ia_gfid); - if (data_split_brain) { + if (split_brain) { afr_sh_missing_entries_finish (frame, this); } else { sh_missing_entries_create (frame, this); diff --git a/xlators/cluster/afr/src/afr-self-heal-common.h b/xlators/cluster/afr/src/afr-self-heal-common.h index 2e0fb937001..d104593ac70 100644 --- a/xlators/cluster/afr/src/afr-self-heal-common.h +++ b/xlators/cluster/afr/src/afr-self-heal-common.h @@ -122,4 +122,7 @@ afr_sh_reset (call_frame_t *frame, xlator_t *this); void afr_children_intersection_get (int32_t *set1, int32_t *set2, int *intersection, unsigned int child_count); +int +afr_get_no_xattr_dir_read_child (xlator_t *this, int32_t *success_children, + struct iatt *bufs); #endif /* __AFR_SELF_HEAL_COMMON_H__ */ diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c index e38b780398a..78798cba146 100644 --- a/xlators/cluster/afr/src/afr-self-heal-data.c +++ b/xlators/cluster/afr/src/afr-self-heal-data.c @@ -824,12 +824,23 @@ afr_lookup_select_read_child_by_txn_type (xlator_t *this, afr_local_t *local, if (subvol_status & SPLIT_BRAIN) { gf_log (this->name, GF_LOG_WARNING, "%s: Possible split-brain", local->loc.path); - if (txn_type == AFR_DATA_TRANSACTION) { - //succeed lookup fail open - afr_set_split_brain (this, local->cont.lookup.inode, + switch (txn_type) { + case AFR_DATA_TRANSACTION: + afr_set_split_brain (this, + local->cont.lookup.inode, _gf_true); nsources = 1; sources[success_children[0]] = 1; + break; + case AFR_ENTRY_TRANSACTION: + read_child = afr_get_no_xattr_dir_read_child (this, + success_children, + bufs); + sources[read_child] = 1; + nsources = 1; + break; + default: + break; } } if (nsources < 0) |