diff options
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-common.c | 44 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-data.c | 10 |
2 files changed, 44 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 5342e2231..1f105fcdd 100644 --- a/xlators/cluster/afr/src/afr-self-heal-common.c +++ b/xlators/cluster/afr/src/afr-self-heal-common.c @@ -553,15 +553,25 @@ afr_sh_mark_zero_size_file_as_sink (struct iatt *bufs, int32_t *success_children int child = 0; gf_boolean_t sink_exists = _gf_false; gf_boolean_t source_exists = _gf_false; + int source = -1; for (i = 0; i < child_count; i++) { child = success_children[i]; if (child < 0) break; - if (bufs[child].ia_size) - source_exists = _gf_true; - if (!bufs[child].ia_size) + if (!bufs[child].ia_size) { sink_exists = _gf_true; + continue; + } + if (!source_exists) { + source_exists = _gf_true; + source = child; + continue; + } + if (bufs[source].ia_size != bufs[child].ia_size) { + nsources = -1; + goto out; + } } if (!source_exists && !sink_exists) { nsources = -1; @@ -764,6 +774,8 @@ afr_mark_sources (xlator_t *this, int32_t *sources, int32_t **pending_matrix, success_children, child_count, sources); + if ((nsources < 0) && subvol_status) + *subvol_status |= SPLIT_BRAIN; break; default: break; @@ -1296,6 +1308,9 @@ afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this, ia_type_t ia_type = IA_INVAL; int32_t nsources = 0; 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; local = frame->local; sh = &local->self_heal; @@ -1311,17 +1326,24 @@ afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this, //now No chance for the ia_type to conflict ia_type = sh->buf[sh->child_success[0]].ia_type; + txn_type = afr_transaction_type_get (ia_type); nsources = afr_build_sources (this, sh->xattr, sh->buf, sh->pending_matrix, sh->sources, - sh->child_success, - afr_transaction_type_get (ia_type), - NULL, _gf_false); + sh->child_success, txn_type, + &subvol_status, _gf_false); if (nsources < 0) { 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); - op_errno = EIO; - goto out; + if ((txn_type == AFR_DATA_TRANSACTION) && + (subvol_status & SPLIT_BRAIN)) { + data_split_brain = _gf_true; + sh->sources[sh->child_success[0]] = 1; + nsources = 1; + } else { + op_errno = EIO; + goto out; + } } afr_get_fresh_children (sh->child_success, sh->sources, @@ -1337,7 +1359,11 @@ afr_sh_missing_entries_lookup_done (call_frame_t *frame, xlator_t *this, sh->gfid_sh_success_cbk (frame, this); if (uuid_is_null (loc->inode->gfid)) uuid_copy (loc->gfid, sh->buf[sh->source].ia_gfid); - sh_missing_entries_create (frame, this); + if (data_split_brain) { + afr_sh_missing_entries_finish (frame, this); + } else { + sh_missing_entries_create (frame, this); + } return; out: sh->op_failed = 1; diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c index 7d2c86eed..7e97cf8cb 100644 --- a/xlators/cluster/afr/src/afr-self-heal-data.c +++ b/xlators/cluster/afr/src/afr-self-heal-data.c @@ -812,9 +812,17 @@ afr_lookup_select_read_child_by_txn_type (xlator_t *this, afr_local_t *local, nsources = afr_build_sources (this, xattr, bufs, pending_matrix, sources, success_children, txn_type, &subvol_status, _gf_false); - if (subvol_status & SPLIT_BRAIN) + 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, + _gf_true); + nsources = 1; + sources[success_children[0]] = 1; + } + } if (nsources < 0) { ret = -1; goto out; |