diff options
Diffstat (limited to 'xlators/cluster/dht/src/dht-diskusage.c')
| -rw-r--r-- | xlators/cluster/dht/src/dht-diskusage.c | 75 |
1 files changed, 67 insertions, 8 deletions
diff --git a/xlators/cluster/dht/src/dht-diskusage.c b/xlators/cluster/dht/src/dht-diskusage.c index 0c87f4a6..fe3955ec 100644 --- a/xlators/cluster/dht/src/dht-diskusage.c +++ b/xlators/cluster/dht/src/dht-diskusage.c @@ -251,25 +251,45 @@ dht_is_subvol_filled (xlator_t *this, xlator_t *subvol) /*Get the best subvolume to create the file in*/ xlator_t * -dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol) +dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol, + dht_local_t *local) { xlator_t *avail_subvol = NULL; dht_conf_t *conf = NULL; + dht_layout_t *layout = NULL; + loc_t *loc = NULL; conf = this->private; + if (!local) + goto out; + loc = &local->loc; + if (!local->layout) { + layout = dht_layout_get (this, loc->parent); + + if (!layout) { + gf_log (this->name, GF_LOG_DEBUG, + "layout missing path=%s parent=%s", + loc->path, uuid_utoa (loc->parent->gfid)); + goto out; + } + } else { + layout = dht_layout_ref (this, local->layout); + } - LOCK (&conf->subvolume_lock); + LOCK (&conf->subvolume_lock); { - avail_subvol = dht_subvol_with_free_space_inodes(this, subvol); + avail_subvol = dht_subvol_with_free_space_inodes(this, subvol, + layout); if(!avail_subvol) { avail_subvol = dht_subvol_maxspace_nonzeroinode(this, - subvol); + subvol, + layout); } } UNLOCK (&conf->subvolume_lock); - +out: if (!avail_subvol) { gf_log (this->name, GF_LOG_DEBUG, @@ -278,17 +298,42 @@ dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol) avail_subvol = subvol; } - + if (layout) + dht_layout_unref (this, layout); return avail_subvol; } +static inline +int32_t dht_subvol_has_err (xlator_t *this, dht_layout_t *layout) +{ + int ret = -1; + int i = 0; + + if (!this || !layout) + goto out; + + /* check if subvol has layout errors, before selecting it */ + for (i = 0; i < layout->cnt; i++) { + if (!strcmp (layout->list[i].xlator->name, this->name) && + (layout->list[i].err != 0)) { + ret = -1; + goto out; + } + } + ret = 0; +out: + return ret; +} + /*Get subvolume which has both space and inodes more than the min criteria*/ xlator_t * -dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol) +dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol, + dht_layout_t *layout) { int i = 0; double max = 0; double max_inodes = 0; + int ignore_subvol = 0; xlator_t *avail_subvol = NULL; dht_conf_t *conf = NULL; @@ -296,6 +341,12 @@ dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol) conf = this->private; for(i=0; i < conf->subvolume_cnt; i++) { + /* check if subvol has layout errors, before selecting it */ + ignore_subvol = dht_subvol_has_err (conf->subvolumes[i], + layout); + if (ignore_subvol) + continue; + if ((conf->disk_unit == 'p') && (conf->du_stats[i].avail_percent > conf->min_free_disk) && (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) { @@ -325,10 +376,12 @@ dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol) /* Get subvol which has atleast one inode and maximum space */ xlator_t * -dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol) +dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol, + dht_layout_t *layout) { int i = 0; double max = 0; + int ignore_subvol = 0; xlator_t *avail_subvol = NULL; dht_conf_t *conf = NULL; @@ -336,6 +389,12 @@ dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol) conf = this->private; for (i = 0; i < conf->subvolume_cnt; i++) { + /* check if subvol has layout errors, before selecting it */ + ignore_subvol = dht_subvol_has_err (conf->subvolumes[i], + layout); + if (ignore_subvol) + continue; + if (conf->disk_unit == 'p') { if ((conf->du_stats[i].avail_percent > max) && (conf->du_stats[i].avail_inodes > 0 )) { |