1 files changed, 7 insertions, 7 deletions

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 257cbae8c948..18891c009641 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3421,11 +3421,6 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
         if (skip_csum)
                 return 0;
 
-        if (em->compress_type) {
-                csum_offset = 0;
-                csum_len = block_len;
-        }
-
         /*
          * First check and see if our csums are on our outstanding ordered
          * extents.
@@ -3509,8 +3504,13 @@ unlocked:
         if (!mod_len || ret)
                 return ret;
 
-        csum_offset = mod_start - em->start;
-        csum_len = mod_len;
+        if (em->compress_type) {
+                csum_offset = 0;
+                csum_len = block_len;
+        } else {
+                csum_offset = mod_start - em->start;
+                csum_len = mod_len;
+        }
 
         /* block start is already adjusted for the file extent offset. */
         ret = btrfs_lookup_csums_range(log->fs_info->csum_root,