Btrfs: don't lookup csums for prealloc extents

The tree logging stuff was looking up csums to copy over for prealloc
extents which is just work we don't need to be doing.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f4b9e54b1da2415b74b17485a33143f86d60f7e2..31b46a9e94cccfd5a8017c32d859431779fe5504 100644 (file)
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3011,8 +3011,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
                                continue;
 
                        found_type = btrfs_file_extent_type(src, extent);
-                       if (found_type == BTRFS_FILE_EXTENT_REG ||
-                           found_type == BTRFS_FILE_EXTENT_PREALLOC) {
+                       if (found_type == BTRFS_FILE_EXTENT_REG) {
                                u64 ds, dl, cs, cl;
                                ds = btrfs_file_extent_disk_bytenr(src,
                                                                extent);