[PATCH] Btrfs: don't lookup csums for prealloc extents

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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@xxxxxxxxxxxx>
---
 fs/btrfs/tree-log.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 09d7f15..806a8ff 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3023,8 +3023,7 @@ 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);
-- 
1.7.7.6

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