md/raid5: export raid5 unplugging interface.
Also remove remaining accesses to ->queue and ->gendisk when ->queue
is NULL (As it is in a DM target).
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 6acd458..36eaed5 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -502,5 +502,6 @@
}
extern int md_raid5_congested(mddev_t *mddev, int bits);
+extern void md_raid5_unplug_device(raid5_conf_t *conf);
extern int raid5_set_cache_size(mddev_t *mddev, int size);
#endif