diff options
Diffstat (limited to 'xlators/cluster/ec/src/ec-common.c')
| -rw-r--r-- | xlators/cluster/ec/src/ec-common.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/xlators/cluster/ec/src/ec-common.c b/xlators/cluster/ec/src/ec-common.c index 823922542a0..3ae7f110d99 100644 --- a/xlators/cluster/ec/src/ec-common.c +++ b/xlators/cluster/ec/src/ec-common.c @@ -932,16 +932,19 @@ ec_config_check (ec_fop_data_t *fop, ec_config_t *config) } gf_boolean_t -ec_set_dirty_flag (ec_lock_link_t *link, ec_inode_t *ctx, uint64_t *dirty) +ec_set_dirty_flag (ec_lock_link_t *link, ec_inode_t *ctx, + uint64_t *dirty) { gf_boolean_t set_dirty = _gf_false; if (link->update[EC_DATA_TXN] && !ctx->dirty[EC_DATA_TXN]) { + if (!link->optimistic_changelog) dirty[EC_DATA_TXN] = 1; } if (link->update[EC_METADATA_TXN] && !ctx->dirty[EC_METADATA_TXN]) { + if (!link->optimistic_changelog) dirty[EC_METADATA_TXN] = 1; } @@ -962,6 +965,7 @@ ec_prepare_update_cbk (call_frame_t *frame, void *cookie, ec_lock_link_t *link = fop->data; ec_lock_t *lock = NULL; ec_inode_t *ctx; + gf_boolean_t release = _gf_false; lock = link->lock; parent = link->fop; @@ -1055,6 +1059,26 @@ unlock: UNLOCK(&lock->loc.inode->lock); if (op_errno == 0) { + /* If the fop fails on any of the good bricks, it is important to mark + * it dirty and update versions right away if dirty was not set before. + */ + if (lock->good_mask & ~(fop->good | fop->remaining)) { + release = _gf_true; + } + + /* lock->release is a critical field that is checked and modified most + * of the time inside a locked region. This use here is safe because we + * are in a modifying fop and we currently don't allow two modifying + * fops to be processed concurrently, so no one else could be checking + * or modifying it.*/ + if (link->update[0] && !link->dirty[0]) { + lock->release |= release; + } + + if (link->update[1] && !link->dirty[1]) { + lock->release |= release; + } + /* We don't allow the main fop to be executed on bricks that have not * succeeded the initial xattrop. */ parent->mask &= fop->good; @@ -1097,6 +1121,7 @@ void ec_get_size_version(ec_lock_link_t *link) ec_inode_t *ctx; ec_fop_data_t *fop; dict_t *dict = NULL; + ec_t *ec = NULL; int32_t error = 0; gf_boolean_t getting_xattr; gf_boolean_t set_dirty = _gf_false; @@ -1105,6 +1130,17 @@ void ec_get_size_version(ec_lock_link_t *link) lock = link->lock; ctx = lock->ctx; fop = link->fop; + ec = fop->xl->private; + + if (ec->optimistic_changelog && + !(ec->node_mask & ~link->lock->good_mask) && !ec_is_data_fop (fop->id)) + link->optimistic_changelog = _gf_true; + + /* If ctx->have_info is false and lock->query is true, it means that we'll + * send the xattrop anyway, so we can use it to update dirty counts, even + * if it's not necessary to do it right now. */ + if (!ctx->have_info && lock->query) + link->optimistic_changelog = _gf_false; set_dirty = ec_set_dirty_flag (link, ctx, dirty); @@ -1714,6 +1750,13 @@ ec_lock_next_owner(ec_lock_link_t *link, ec_cbk_data_t *cbk, if (link->update[1]) { ctx->post_version[1]++; } + /* If the fop fails on any of the good bricks, it is important to mark + * it dirty and update versions right away. */ + if (link->update[0] || link->update[1]) { + if (lock->good_mask & ~(fop->good | fop->remaining)) { + lock->release = _gf_true; + } + } } ec_lock_update_good(lock, fop); @@ -2028,9 +2071,13 @@ ec_update_info(ec_lock_link_t *link) if (ctx->dirty[1] != 0) { dirty[1] = -1; } + } else { + link->optimistic_changelog = _gf_false; + ec_set_dirty_flag (link, ctx, dirty); } memset(ctx->dirty, 0, sizeof(ctx->dirty)); } + if ((version[0] != 0) || (version[1] != 0) || (dirty[0] != 0) || (dirty[1] != 0)) { ec_update_size_version(link, version, size, dirty); |
