diff options
Diffstat (limited to 'module/zfs/metaslab.c')
| -rw-r--r-- | module/zfs/metaslab.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c index f9eef272b..43d3b211e 100644 --- a/module/zfs/metaslab.c +++ b/module/zfs/metaslab.c @@ -1255,9 +1255,10 @@ metaslab_init(metaslab_group_t *mg, uint64_t id, uint64_t object, uint64_t txg, /* * We only open space map objects that already exist. All others - * will be opened when we finally allocate an object for it. + * will be opened when we finally allocate an object for it. For + * readonly pools there is no need to open the space map object. */ - if (object != 0) { + if (object != 0 && spa_writeable(vd->vdev_spa)) { error = space_map_open(&ms->ms_sm, mos, object, ms->ms_start, ms->ms_size, vd->vdev_ashift, &ms->ms_lock); |