diff options
Diffstat (limited to 'xlators/cluster')
| -rw-r--r-- | xlators/cluster/ec/src/ec-heal.c | 73 | ||||
| -rw-r--r-- | xlators/cluster/ec/src/ec-types.h | 7 |
2 files changed, 78 insertions, 2 deletions
diff --git a/xlators/cluster/ec/src/ec-heal.c b/xlators/cluster/ec/src/ec-heal.c index 16ea6cfc811..89a433e5b91 100644 --- a/xlators/cluster/ec/src/ec-heal.c +++ b/xlators/cluster/ec/src/ec-heal.c @@ -2497,6 +2497,59 @@ out: return ret; } +int +ec_heal_set_dirty_without_lock(call_frame_t *frame, ec_t *ec, inode_t *inode) +{ + int i = 0; + int ret = 0; + dict_t **xattr = NULL; + loc_t loc = {0}; + uint64_t dirty_xattr[EC_VERSION_SIZE] = {0}; + unsigned char *on = NULL; + default_args_cbk_t *replies = NULL; + dict_t *dict = NULL; + + /* Allocate the required memory */ + loc.inode = inode_ref(inode); + gf_uuid_copy(loc.gfid, inode->gfid); + on = alloca0(ec->nodes); + EC_REPLIES_ALLOC(replies, ec->nodes); + xattr = GF_CALLOC(ec->nodes, sizeof(*xattr), gf_common_mt_pointer); + if (!xattr) { + ret = -ENOMEM; + goto out; + } + dict = dict_new(); + if (!dict) { + ret = -ENOMEM; + goto out; + } + for (i = 0; i < ec->nodes; i++) { + xattr[i] = dict; + on[i] = 1; + } + dirty_xattr[EC_METADATA_TXN] = hton64(1); + ret = dict_set_static_bin(dict, EC_XATTR_DIRTY, dirty_xattr, + (sizeof(*dirty_xattr) * EC_VERSION_SIZE)); + if (ret < 0) { + ret = -ENOMEM; + goto out; + } + PARALLEL_FOP_ONLIST(ec->xl_list, on, ec->nodes, replies, frame, + ec_wind_xattrop_parallel, &loc, GF_XATTROP_ADD_ARRAY64, + xattr, NULL); +out: + if (dict) { + dict_unref(dict); + } + if (xattr) { + GF_FREE(xattr); + } + cluster_replies_wipe(replies, ec->nodes); + loc_wipe(&loc); + return ret; +} + void ec_heal_do(xlator_t *this, void *data, loc_t *loc, int32_t partial) { @@ -2572,7 +2625,18 @@ ec_heal_do(xlator_t *this, void *data, loc_t *loc, int32_t partial) ec_heal_inspect(frame, ec, loc->inode, up_subvols, _gf_false, _gf_false, &need_heal); - if (need_heal == EC_HEAL_NONEED) { + if (need_heal == EC_HEAL_PURGE_INDEX) { + gf_msg(ec->xl->name, GF_LOG_INFO, 0, EC_MSG_HEAL_FAIL, + "Index entry needs to be purged for: %s ", + uuid_utoa(loc->gfid)); + /* We need to send xattrop to set dirty flag so that it can be + * healed and index entry could be removed. We need not to take lock + * on this entry to do so as we are just setting dirty flag which + * actually increases the trusted.ec.dirty count and does not set + * the new value. + * This will make sure that it is not interfering in other fops.*/ + ec_heal_set_dirty_without_lock(frame, ec, loc->inode); + } else if (need_heal == EC_HEAL_NONEED) { gf_msg(ec->xl->name, GF_LOG_DEBUG, 0, EC_MSG_HEAL_FAIL, "Heal is not required for : %s ", uuid_utoa(loc->gfid)); goto out; @@ -2984,6 +3048,13 @@ _need_heal_calculate(ec_t *ec, uint64_t *dirty, unsigned char *sources, goto out; } } + /* If lock count is 0, all dirty flags are 0 and all the + * versions are macthing then why are we here. It looks + * like something went wrong while removing the index entries + * after completing a successful heal or fop. In this case + * we need to remove this index entry to avoid triggering heal + * in a loop and causing lookups again and again*/ + *need_heal = EC_HEAL_PURGE_INDEX; } else { for (i = 0; i < ec->nodes; i++) { /* Since each lock can only increment the dirty diff --git a/xlators/cluster/ec/src/ec-types.h b/xlators/cluster/ec/src/ec-types.h index c25185f42ed..90da328e641 100644 --- a/xlators/cluster/ec/src/ec-types.h +++ b/xlators/cluster/ec/src/ec-types.h @@ -130,7 +130,12 @@ typedef void (*ec_resume_f)(ec_fop_data_t *, int32_t); enum _ec_read_policy { EC_ROUND_ROBIN, EC_GFID_HASH, EC_READ_POLICY_MAX }; -enum _ec_heal_need { EC_HEAL_NONEED, EC_HEAL_MAYBE, EC_HEAL_MUST }; +enum _ec_heal_need { + EC_HEAL_NONEED, + EC_HEAL_MAYBE, + EC_HEAL_MUST, + EC_HEAL_PURGE_INDEX +}; enum _ec_stripe_part { EC_STRIPE_HEAD, EC_STRIPE_TAIL }; |