commit f2d8d74d7874f8f81222363cd6459a365796e35a
author Chris Mason <chris.mason@oracle.com> Mon Apr 21 10:03:05 2008 -0400
committer Chris Mason <chris.mason@oracle.com> Thu Sep 25 11:04:02 2008 -0400
tree 2d081c85d9e88006f084cc17fc1ffa262b885e37
parent 4ef64eae288a3644d1f8b748eb075426701e96d1

Btrfs: Make an unplug function that doesn't unplug every spindle

Signed-off-by: Chris Mason <chris.mason@oracle.com>

fs/btrfs/volumes.h

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index f9cae30..dfe7e8a 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -119,4 +119,6 @@
 		     struct btrfs_device *device);
 int btrfs_cleanup_fs_uuids(void);
 int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len);
+int btrfs_unplug_page(struct btrfs_mapping_tree *map_tree,
+		      u64 logical, struct page *page);
 #endif