diff options
Diffstat (limited to 'xlators/cluster/dht')
-rw-r--r-- | xlators/cluster/dht/src/dht-common.h | 1 | ||||
-rw-r--r-- | xlators/cluster/dht/src/dht-selfheal.c | 199 |
2 files changed, 12 insertions, 188 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h index 87f60cac3d9..96f7726bc04 100644 --- a/xlators/cluster/dht/src/dht-common.h +++ b/xlators/cluster/dht/src/dht-common.h @@ -308,6 +308,7 @@ struct dht_local { uint32_t overlaps_cnt; uint32_t down; uint32_t misc; + uint32_t missing_cnt; dht_selfheal_dir_cbk_t dir_cbk; dht_selfheal_layout_t healer; dht_need_heal_t should_heal; diff --git a/xlators/cluster/dht/src/dht-selfheal.c b/xlators/cluster/dht/src/dht-selfheal.c index 49540a04c9e..6425bdc506e 100644 --- a/xlators/cluster/dht/src/dht-selfheal.c +++ b/xlators/cluster/dht/src/dht-selfheal.c @@ -364,7 +364,8 @@ dht_should_heal_layout (call_frame_t *frame, dht_layout_t **heal, ret = dht_layout_anomalies (frame->this, &local->loc, *ondisk, &local->selfheal.hole_cnt, &local->selfheal.overlaps_cnt, - NULL, &local->selfheal.down, + &local->selfheal.missing_cnt, + &local->selfheal.down, &local->selfheal.misc, NULL); if (ret < 0) @@ -1022,115 +1023,6 @@ dht_layout_index_from_conf (dht_layout_t *layout, xlator_t *xlator) return i; } - -static int -dht_selfheal_dir_xattr_for_nameless_lookup (call_frame_t *frame, loc_t *loc, - dht_layout_t *layout) -{ - dht_local_t *local = NULL; - int missing_xattr = 0; - int i = 0; - xlator_t *this = NULL; - dht_conf_t *conf = NULL; - dht_layout_t *dummy = NULL; - int j = 0; - - local = frame->local; - this = frame->this; - conf = this->private; - - for (i = 0; i < layout->cnt; i++) { - if (layout->list[i].err != -1 || !layout->list[i].stop) { - /* err != -1 would mean xattr present on the directory - or the directory is non existent. - !layout->list[i].stop would mean layout absent - */ - - continue; - } - missing_xattr++; - } - - /* Also account for subvolumes with no-layout. Used for zero'ing out - the layouts and for setting quota key's if present */ - - /* Send where either the subvol is not part of layout, - * or it is part of the layout but error is non-zero but error - * is not equal to -1 or ENOENT. - */ - - for (i = 0; i < conf->subvolume_cnt; i++) { - if (dht_is_subvol_part_of_layout (layout, conf->subvolumes[i]) - == _gf_false) { - missing_xattr++; - continue; - } - - j = dht_layout_index_from_conf (layout, conf->subvolumes[i]); - - if ((j != -1) && (layout->list[j].err != -1) && - (layout->list[j].err != 0) && - (layout->list[j].err != ENOENT)) { - missing_xattr++; - } - - } - - - gf_msg_trace (this->name, 0, - "%d subvolumes missing xattr for %s", - missing_xattr, loc->path); - - if (missing_xattr == 0) { - dht_selfheal_dir_finish (frame, this, 0, 1); - return 0; - } - - local->call_cnt = missing_xattr; - - if (gf_log_get_loglevel () >= GF_LOG_DEBUG) - dht_log_new_layout_for_dir_selfheal (this, loc, layout); - - for (i = 0; i < layout->cnt; i++) { - if (layout->list[i].err != -1 || !layout->list[i].stop) - continue; - - dht_selfheal_dir_xattr_persubvol (frame, loc, layout, i, NULL); - - if (--missing_xattr == 0) - break; - } - - dummy = dht_layout_new (this, 1); - if (!dummy) - goto out; - - for (i = 0; i < conf->subvolume_cnt && missing_xattr; i++) { - if (dht_is_subvol_part_of_layout (layout, conf->subvolumes[i]) - == _gf_false) { - dht_selfheal_dir_xattr_persubvol (frame, loc, dummy, 0, - conf->subvolumes[i]); - missing_xattr--; - continue; - } - - j = dht_layout_index_from_conf (layout, conf->subvolumes[i]); - - if ((j != -1) && (layout->list[j].err != -1) && - (layout->list[j].err != ENOENT) && - (layout->list[j].err != 0)) { - dht_selfheal_dir_xattr_persubvol (frame, loc, dummy, 0, - conf->subvolumes[i]); - missing_xattr--; - } - } - - dht_layout_unref (this, dummy); -out: - return 0; - -} - int dht_selfheal_dir_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret, int op_errno, struct iatt *statpre, @@ -2303,7 +2195,8 @@ dht_selfheal_directory (call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk, dht_layout_anomalies (this, loc, layout, &local->selfheal.hole_cnt, &local->selfheal.overlaps_cnt, - NULL, &local->selfheal.down, + &local->selfheal.missing_cnt, + &local->selfheal.down, &local->selfheal.misc, NULL); down = local->selfheal.down; @@ -2332,14 +2225,14 @@ dht_selfheal_directory (call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk, dht_layout_sort_volname (layout); local->heal_layout = _gf_true; - ret = dht_selfheal_dir_getafix (frame, loc, layout); - if (ret == -1) { - gf_msg (this->name, GF_LOG_INFO, 0, - DHT_MSG_DIR_SELFHEAL_FAILED, - "Directory selfheal failed: " - "Unable to form layout for directory %s", - loc->path); + /* Ignore return value as it can be inferred from result of + * dht_layout_anomalies + */ + dht_selfheal_dir_getafix (frame, loc, layout); + + if (!(local->selfheal.hole_cnt || local->selfheal.overlaps_cnt || + local->selfheal.missing_cnt)) { local->heal_layout = _gf_false; } @@ -2359,76 +2252,6 @@ sorry_no_fix: } int -dht_selfheal_directory_for_nameless_lookup (call_frame_t *frame, - dht_selfheal_dir_cbk_t dir_cbk, - loc_t *loc, dht_layout_t *layout) -{ - dht_local_t *local = NULL; - uint32_t down = 0; - uint32_t misc = 0; - int ret = 0; - xlator_t *this = NULL; - - local = frame->local; - this = frame->this; - dht_layout_anomalies (this, loc, layout, - &local->selfheal.hole_cnt, - &local->selfheal.overlaps_cnt, - NULL, &local->selfheal.down, - &local->selfheal.misc, NULL); - - down = local->selfheal.down; - misc = local->selfheal.misc; - - local->selfheal.dir_cbk = dir_cbk; - local->selfheal.layout = dht_layout_ref (this, layout); - - if (down) { - gf_msg (this->name, GF_LOG_WARNING, 0, - DHT_MSG_SUBVOL_DOWN_ERROR, - "%d subvolumes down -- not fixing", down); - ret = 0; - goto sorry_no_fix; - } - - if (misc) { - gf_msg (this->name, GF_LOG_WARNING, 0, - DHT_MSG_SUBVOL_ERROR, - "%d subvolumes have unrecoverable errors", misc); - ret = 0; - goto sorry_no_fix; - } - - dht_layout_sort_volname (layout); - ret = dht_selfheal_dir_getafix (frame, loc, layout); - - if (ret == -1) { - gf_msg (this->name, GF_LOG_WARNING, 0, - DHT_MSG_LAYOUT_FORM_FAILED, - "not able to form layout for the directory"); - goto sorry_no_fix; - } - - ret = dht_selfheal_layout_lock (frame, layout, _gf_false, - dht_selfheal_dir_xattr_for_nameless_lookup, - dht_should_heal_layout); - - if (ret < 0) { - goto sorry_no_fix; - } - - return 0; - -sorry_no_fix: - /* TODO: need to put appropriate local->op_errno */ - dht_selfheal_dir_finish (frame, this, ret, 1); - - return 0; - - -} - -int dht_selfheal_restore (call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk, loc_t *loc, dht_layout_t *layout) { |