Btrfs: sparse lock verification annotations for wait_on_state
authorChristoph Hellwig <hch@lst.de>
Tue, 2 Dec 2008 11:36:10 +0000 (06:36 -0500)
committerChris Mason <chris.mason@oracle.com>
Tue, 2 Dec 2008 11:36:10 +0000 (06:36 -0500)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent_io.c

index 87dba85..d79ccdb 100644 (file)
@@ -577,6 +577,8 @@ EXPORT_SYMBOL(clear_extent_bit);
 
 static int wait_on_state(struct extent_io_tree *tree,
                         struct extent_state *state)
+               __releases(tree->lock)
+               __acquires(tree->lock)
 {
        DEFINE_WAIT(wait);
        prepare_to_wait(&state->wq, &wait, TASK_UNINTERRUPTIBLE);