From 87d38ebe74592d9cd955e584f3e72be6955bfede Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 3 Jun 2021 14:47:04 -0700
Subject: [PATCH] FROMGIT: block/blk-cgroup: Swap the blk_throtl_init() and
 blk_iolatency_init() calls

Before adding more calls in this function, simplify the error path.

Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
BUG: 187357408
Change-Id: I8568b87d1bebbd3841e42a79b7efe2d0a1bff2bc
(cherry picked from commit f1a7f539c2720906fb10be0af3514b034e1a9fee git://git.kernel.dk/linux-block/ for-5.14/block)
Signed-off-by: Bart Van Assche <bvanassche@google.com>
---
 block/blk-cgroup.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index f13688c4b931..44be26e62ca4 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1181,15 +1181,14 @@ int blkcg_init_queue(struct request_queue *q)
 	if (preloaded)
 		radix_tree_preload_end();
 
+	ret = blk_iolatency_init(q);
+	if (ret)
+		goto err_destroy_all;
+
 	ret = blk_throtl_init(q);
 	if (ret)
 		goto err_destroy_all;
 
-	ret = blk_iolatency_init(q);
-	if (ret) {
-		blk_throtl_exit(q);
-		goto err_destroy_all;
-	}
 	return 0;
 
 err_destroy_all: