Btrfs: select XOR_BLOCKS in Kconfig

The Btrfs raid56 uses the generic xor helpers.

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

diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
index 4f5dc93fa2f8cf27b9cf9e471a86c8a738e6b6e8..5f583c8a36d012ede55d27c5becf56370908a65f 100644 (file)
--- a/fs/btrfs/Kconfig
+++ b/fs/btrfs/Kconfig
@@ -7,6 +7,7 @@ config BTRFS_FS
        select LZO_COMPRESS
        select LZO_DECOMPRESS
        select RAID6_PQ
+       select XOR_BLOCKS
 
        help
          Btrfs is a new filesystem with extents, writable snapshotting,