1 files changed, 7 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 305c33efb0e3..034d7dc552b2 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -25,6 +25,13 @@
 #define BTRFS_SUPER_MIRROR_MAX   3
 #define BTRFS_SUPER_MIRROR_SHIFT 12
 
+enum {
+        BTRFS_WQ_ENDIO_DATA = 0,
+        BTRFS_WQ_ENDIO_METADATA = 1,
+        BTRFS_WQ_ENDIO_FREE_SPACE = 2,
+        BTRFS_WQ_ENDIO_RAID56 = 3,
+};
+
 static inline u64 btrfs_sb_offset(int mirror)
 {
         u64 start = 16 * 1024;