1 files changed, 4 insertions, 4 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c54aec87e89d..53c5ea702799 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -840,15 +840,15 @@ static int btree_submit_bio_hook(struct inode *inode, int rw, struct bio *bio,
 {
         int ret;
 
-        ret = btrfs_bio_wq_end_io(BTRFS_I(inode)->root->fs_info,
-                                          bio, 1);
-        BUG_ON(ret);
-
         if (!(rw & REQ_WRITE)) {
+
                 /*
                  * called for a read, do the setup so that checksum validation
                  * can happen in the async kernel threads
                  */
+                ret = btrfs_bio_wq_end_io(BTRFS_I(inode)->root->fs_info,
+                                          bio, 1);
+                BUG_ON(ret);
                 return btrfs_map_bio(BTRFS_I(inode)->root, rw, bio,
                                      mirror_num, 0);
         }