Btrfs: d_type optimization

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

1 files changed, 10 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1bb62867deda..a1c95c980fdc 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -34,6 +34,16 @@ extern struct kmem_cache *btrfs_path_cachep;
 #define BTRFS_CRC32_SIZE 4
 #define BTRFS_EMPTY_DIR_SIZE 6
 
+#define BTRFS_FT_UNKNOWN        0
+#define BTRFS_FT_REG_FILE       1
+#define BTRFS_FT_DIR            2
+#define BTRFS_FT_CHRDEV         3
+#define BTRFS_FT_BLKDEV         4
+#define BTRFS_FT_FIFO           5
+#define BTRFS_FT_SOCK           6
+#define BTRFS_FT_SYMLINK        7
+#define BTRFS_FT_MAX            8
+
 /*
  * the key defines the order in the tree, and so it also defines (optimal)
  * block layout.  objectid corresonds to the inode number.  The flags