diff options
Diffstat (limited to 'module/zfs/metaslab.c')
| -rw-r--r-- | module/zfs/metaslab.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c index 3ada403a8..3fd7f9049 100644 --- a/module/zfs/metaslab.c +++ b/module/zfs/metaslab.c @@ -413,7 +413,13 @@ metaslab_class_expandable_space(metaslab_class_t *mc) continue; } - space += tvd->vdev_max_asize - tvd->vdev_asize; + /* + * Calculate if we have enough space to add additional + * metaslabs. We report the expandable space in terms + * of the metaslab size since that's the unit of expansion. + */ + space += P2ALIGN(tvd->vdev_max_asize - tvd->vdev_asize, + 1ULL << tvd->vdev_ms_shift); } spa_config_exit(mc->mc_spa, SCL_VDEV, FTAG); return (space); |