dm snapshot: fix hung bios when copy error occurs

[pandora-kernel.git] / drivers / md / dm-snap.c

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 6b94c3c..09c2b4f 100644 (file)
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1393,8 +1393,9 @@ static void __invalidate_snapshot(struct dm_snapshot *s, int err)
        dm_table_event(s->ti->table);
 }
 
-static void pending_complete(struct dm_snap_pending_exception *pe, int success)
+static void pending_complete(void *context, int success)
 {
+       struct dm_snap_pending_exception *pe = context;
        struct dm_exception *e;
        struct dm_snapshot *s = pe->snap;
        struct bio *origin_bios = NULL;
@@ -1464,24 +1465,13 @@ out:
        free_pending_exception(pe);
 }
 
-static void commit_callback(void *context, int success)
-{
-       struct dm_snap_pending_exception *pe = context;
-
-       pending_complete(pe, success);
-}
-
 static void complete_exception(struct dm_snap_pending_exception *pe)
 {
        struct dm_snapshot *s = pe->snap;
 
-       if (unlikely(pe->copy_error))
-               pending_complete(pe, 0);
-
-       else
-               /* Update the metadata if we are persistent */
-               s->store->type->commit_exception(s->store, &pe->e,
-                                                commit_callback, pe);
+       /* Update the metadata if we are persistent */
+       s->store->type->commit_exception(s->store, &pe->e, !pe->copy_error,
+                                        pending_complete, pe);
 }
 
 /*