btrfs: rename err to ret in btrfs_wait_tree_log_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 3ca57bb8dc64e7a86cad27576f989fb75f51a913..825d135ef6c7adf500e1f31ab03560754524c263 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1227,11 +1227,11 @@ int btrfs_wait_tree_log_extents(struct btrfs_root *log_root, int mark)
        struct btrfs_fs_info *fs_info = log_root->fs_info;
        struct extent_io_tree *dirty_pages = &log_root->dirty_log_pages;
        bool errors = false;
-       int err;
+       int ret;
 
        ASSERT(btrfs_root_id(log_root) == BTRFS_TREE_LOG_OBJECTID);
 
-       err = __btrfs_wait_marked_extents(fs_info, dirty_pages);
+       ret = __btrfs_wait_marked_extents(fs_info, dirty_pages);
        if ((mark & EXTENT_DIRTY) &&
            test_and_clear_bit(BTRFS_FS_LOG1_ERR, &fs_info->flags))
                errors = true;
@@ -1240,9 +1240,9 @@ int btrfs_wait_tree_log_extents(struct btrfs_root *log_root, int mark)
            test_and_clear_bit(BTRFS_FS_LOG2_ERR, &fs_info->flags))
                errors = true;
 
-       if (errors && !err)
-               err = -EIO;
-       return err;
+       if (errors && !ret)
+               ret = -EIO;
+       return ret;
 }
 
 /*