Btrfs: implement repair function when direct read fails

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / disk-io.h

diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 52a17db700fc93963810c7fa2b15d2f4c01e1fd6..14d06ee1e143aa9b0337fbda2b2df398780bdcb2 100644 (file)
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -30,6 +30,7 @@ enum {
        BTRFS_WQ_ENDIO_METADATA = 1,
        BTRFS_WQ_ENDIO_FREE_SPACE = 2,
        BTRFS_WQ_ENDIO_RAID56 = 3,
+       BTRFS_WQ_ENDIO_DIO_REPAIR = 4,
 };
 
 static inline u64 btrfs_sb_offset(int mirror)