From 0b508bc926bdced678febee2a2b8cdba0a19e481 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shli@fb.com>
Date: Tue, 26 Sep 2017 11:02:12 -0700
Subject: block: fix a build error

The code is only for blkcg not for all cgroups

Fixes: d4478e92d618 ("block/loop: make loop cgroup aware")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/block/loop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'drivers/block/loop.c')

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index fd4eff5f5b76..bc8e61506968 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1692,7 +1692,7 @@ static blk_status_t loop_queue_rq(struct blk_mq_hw_ctx *hctx,
 	}
 
 	/* always use the first bio's css */
-#ifdef CONFIG_CGROUPS
+#ifdef CONFIG_BLK_CGROUP
 	if (cmd->use_aio && cmd->rq->bio && cmd->rq->bio->bi_css) {
 		cmd->css = cmd->rq->bio->bi_css;
 		css_get(cmd->css);
-- 
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