Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code

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

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index ec43fa526d77..171ca30a3755 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -869,11 +869,7 @@ static noinline int remove_extent_backref(struct btrfs_trans_handle *trans,
 static void btrfs_issue_discard(struct block_device *bdev,
                                 u64 start, u64 len)
 {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
         blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL);
-#else
-        blkdev_issue_discard(bdev, start >> 9, len >> 9);
-#endif
 }
 #endif