diff options
Diffstat (limited to 'xlators/cluster/dht/src/dht-common.c')
| -rw-r--r-- | xlators/cluster/dht/src/dht-common.c | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c index 8cbae676e..fbde47df6 100644 --- a/xlators/cluster/dht/src/dht-common.c +++ b/xlators/cluster/dht/src/dht-common.c @@ -148,9 +148,12 @@ dht_discover_complete (xlator_t *this, call_frame_t *discover_frame) int op_errno = 0; int ret = -1; dht_layout_t *layout = NULL; + dht_conf_t *conf = NULL; + uint32_t missing = 0; local = discover_frame->local; layout = local->layout; + conf = this->private; LOCK(&discover_frame->lock); { @@ -183,19 +186,27 @@ dht_discover_complete (xlator_t *this, call_frame_t *discover_frame) goto out; } } else { - ret = dht_layout_normalize (this, &local->loc, layout); - if ((ret < 0) || ((ret > 0) && (local->op_ret != 0))) { - /* either the layout is incorrect or the directory is - * not found even in one subvolume. - */ + ret = dht_layout_normalize (this, &local->loc, layout, + &missing); + if (ret < 0) { gf_log (this->name, GF_LOG_DEBUG, - "normalizing failed on %s " - "(overlaps/holes present: %s, " - "ENOENT errors: %d)", local->loc.path, - (ret < 0) ? "yes" : "no", (ret > 0) ? ret : 0); - op_errno = EINVAL; + "normalizing failed on %s (internal error)", + local->loc.path); + op_errno = EIO; + goto out; + } + if (missing == conf->subvolume_cnt) { + gf_log (this->name, GF_LOG_DEBUG, + "normalizing failed on %s, ENOENT errors: %u)", + local->loc.path, missing); + op_errno = ENOENT; goto out; } + if (ret != 0) { + gf_log (this->name, GF_LOG_DEBUG, + "normalizing failed on %s " + "(overlaps/holes present)", local->loc.path); + } dht_layout_set (this, local->inode, layout); } @@ -397,6 +408,7 @@ dht_lookup_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, dht_layout_t *layout = NULL; int ret = -1; int is_dir = 0; + uint32_t missing = 0; GF_VALIDATE_OR_GOTO ("dht", frame, out); GF_VALIDATE_OR_GOTO ("dht", this, out); @@ -477,9 +489,16 @@ unlock: } if (local->op_ret == 0) { - ret = dht_layout_normalize (this, &local->loc, layout); - - if (ret != 0) { + ret = dht_layout_normalize (this, &local->loc, layout, + &missing); + + /* + * Arguably, we shouldn't do self-heal just because + * bricks are missing as long as there are no other + * anomalies. For now, though, just preserve the + * existing behavior. + */ + if ((ret != 0) || (missing != 0)) { gf_log (this->name, GF_LOG_DEBUG, "fixing assignment on %s", local->loc.path); |