LU-8900 snapshot: simulate readonly device

[fs/lustre-release.git] / lustre / osd-zfs / osd_object.c

diff --git a/lustre/osd-zfs/osd_object.c b/lustre/osd-zfs/osd_object.c
index 473211a..2e64f18 100644 (file)
--- a/lustre/osd-zfs/osd_object.c
+++ b/lustre/osd-zfs/osd_object.c
@@ -1729,7 +1729,8 @@ static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
         * support ZIL.  If the object tracked the txg that it was last
         * modified in, it could pass that txg here instead of "0".  Maybe
         * the changes are already committed, so no wait is needed at all? */
-       txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
+       if (!osd->od_dt_dev.dd_rdonly)
+               txg_wait_synced(dmu_objset_pool(osd->od_os), 0ULL);
 
        RETURN(0);
 }