btrfs: rename err to ret in btrfs_wait_extents()

Unify naming of return value to the preferred way.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index b518a6c3517b489b14743eea926b3ee76f77b50c..3ca57bb8dc64e7a86cad27576f989fb75f51a913 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1211,15 +1211,15 @@ static int btrfs_wait_extents(struct btrfs_fs_info *fs_info,
                       struct extent_io_tree *dirty_pages)
 {
        bool errors = false;
-       int err;
+       int ret;
 
-       err = __btrfs_wait_marked_extents(fs_info, dirty_pages);
+       ret = __btrfs_wait_marked_extents(fs_info, dirty_pages);
        if (test_and_clear_bit(BTRFS_FS_BTREE_ERR, &fs_info->flags))
                errors = true;
 
-       if (errors && !err)
-               err = -EIO;
-       return err;
+       if (errors && !ret)
+               ret = -EIO;
+       return ret;
 }
 
 int btrfs_wait_tree_log_extents(struct btrfs_root *log_root, int mark)