Remove Btrfs compat code for older kernels

Btrfs had compatibility code for kernels back to 2.6.18.  These have
been removed, and will be maintained in a separate backport
git tree from now on.

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

1 files changed, 0 insertions, 6 deletions

diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 2b357a6d2407..48b82cd7583c 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -7,12 +7,6 @@
 #include "export.h"
 #include "compat.h"
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-#define FILEID_BTRFS_WITHOUT_PARENT             0x4d
-#define FILEID_BTRFS_WITH_PARENT                0x4e
-#define FILEID_BTRFS_WITH_PARENT_ROOT           0x4f
-#endif
-
 #define BTRFS_FID_SIZE_NON_CONNECTABLE          (offsetof(struct btrfs_fid, parent_objectid)/4)
 #define BTRFS_FID_SIZE_CONNECTABLE              (offsetof(struct btrfs_fid, parent_root_objectid)/4)
 #define BTRFS_FID_SIZE_CONNECTABLE_ROOT         (sizeof(struct btrfs_fid)/4)