blk_limits_io_opt(limits, chunk_size * mddev_data_stripes(rs));
}
-static void raid_presuspend(struct dm_target *ti)
-{
- struct raid_set *rs = ti->private;
-
- md_stop_writes(&rs->md);
-}
-
static void raid_postsuspend(struct dm_target *ti)
{
struct raid_set *rs = ti->private;
if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) {
+ /* Writes have to be stopped before suspending to avoid deadlocks. */
+ if (!test_bit(MD_RECOVERY_FROZEN, &rs->md.recovery))
+ md_stop_writes(&rs->md);
+
mddev_lock_nointr(&rs->md);
mddev_suspend(&rs->md);
mddev_unlock(&rs->md);
}
-
- rs->md.ro = 1;
}
static void attempt_restore_of_faulty_devices(struct raid_set *rs)
.message = raid_message,
.iterate_devices = raid_iterate_devices,
.io_hints = raid_io_hints,
- .presuspend = raid_presuspend,
.postsuspend = raid_postsuspend,
.preresume = raid_preresume,
.resume = raid_resume,