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From: Bart Van Assche <bvanassche@acm.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Adam Manzanares <a.manzanares@samsung.com>,
	Bart Van Assche <bvanassche@acm.org>,
	Damien Le Moal <damien.lemoal@wdc.com>,
	Johannes Thumshirn <johannes.thumshirn@wdc.com>,
	Hannes Reinecke <hare@suse.de>, Tejun Heo <tj@kernel.org>,
	Ming Lei <ming.lei@redhat.com>,
	Himanshu Madhani <himanshu.madhani@oracle.com>
Subject: [PATCH v3 02/16] block/blk-cgroup: Swap the blk_throtl_init() and blk_iolatency_init() calls
Date: Thu, 17 Jun 2021 17:44:42 -0700	[thread overview]
Message-ID: <20210618004456.7280-3-bvanassche@acm.org> (raw)
In-Reply-To: <20210618004456.7280-1-bvanassche@acm.org>

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>
---
 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 d169e2055158..3b0f6efaa2b6 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1183,15 +1183,14 @@ int blkcg_init_queue(struct request_queue *q)
 	if (preloaded)
 		radix_tree_preload_end();
 
-	ret = blk_throtl_init(q);
+	ret = blk_iolatency_init(q);
 	if (ret)
 		goto err_destroy_all;
 
-	ret = blk_iolatency_init(q);
-	if (ret) {
-		blk_throtl_exit(q);
+	ret = blk_throtl_init(q);
+	if (ret)
 		goto err_destroy_all;
-	}
+
 	return 0;
 
 err_destroy_all:

  parent reply	other threads:[~2021-06-18  0:45 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-18  0:44 [PATCH v3 00/16] Improve I/O priority support Bart Van Assche
2021-06-18  0:44 ` [PATCH v3 01/16] block/Kconfig: Make the BLK_WBT and BLK_WBT_MQ entries consecutive Bart Van Assche
2021-06-18 17:09   ` Adam Manzanares
2021-06-18 19:49   ` Himanshu Madhani
2021-06-18  0:44 ` Bart Van Assche [this message]
2021-06-18 17:15   ` [PATCH v3 02/16] block/blk-cgroup: Swap the blk_throtl_init() and blk_iolatency_init() calls Adam Manzanares
2021-06-18 19:49   ` Himanshu Madhani
2021-06-21 14:24   ` Tejun Heo
2021-06-18  0:44 ` [PATCH v3 03/16] block/blk-rq-qos: Move a function from a header file into a C file Bart Van Assche
2021-06-18 17:22   ` Adam Manzanares
2021-06-18 19:49   ` Himanshu Madhani
2021-06-18  0:44 ` [PATCH v3 04/16] block: Introduce the ioprio rq-qos policy Bart Van Assche
2021-06-18 22:02   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 05/16] block/mq-deadline: Add several comments Bart Van Assche
2021-06-18 22:06   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 06/16] block/mq-deadline: Add two lockdep_assert_held() statements Bart Van Assche
2021-06-18 22:09   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 07/16] block/mq-deadline: Remove two local variables Bart Van Assche
2021-06-18 22:16   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 08/16] block/mq-deadline: Rename dd_init_queue() and dd_exit_queue() Bart Van Assche
2021-06-18 22:18   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 09/16] block/mq-deadline: Improve compile-time argument checking Bart Van Assche
2021-06-18 22:30   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 10/16] block/mq-deadline: Improve the sysfs show and store macros Bart Van Assche
2021-06-18 23:07   ` Adam Manzanares
2021-06-18  0:44 ` [PATCH v3 11/16] block/mq-deadline: Reserve 25% of scheduler tags for synchronous requests Bart Van Assche
2021-06-18  0:44 ` [PATCH v3 12/16] block/mq-deadline: Micro-optimize the batching algorithm Bart Van Assche
2021-06-18  0:44 ` [PATCH v3 13/16] block/mq-deadline: Add I/O priority support Bart Van Assche
2021-06-18  0:44 ` [PATCH v3 14/16] block/mq-deadline: Track I/O statistics Bart Van Assche
2021-06-18  0:44 ` [PATCH v3 15/16] block/mq-deadline: Add cgroup support Bart Van Assche
2021-06-18  0:44 ` [PATCH v3 16/16] block/mq-deadline: Prioritize high-priority requests Bart Van Assche
2021-08-20  0:45   ` Niklas Cassel
2021-08-20 18:04     ` Bart Van Assche
2021-08-20 23:05       ` Niklas Cassel
2021-08-20 23:38         ` Bart Van Assche
2021-08-23  7:36           ` Niklas Cassel
2021-08-23 17:15             ` Bart Van Assche
2021-08-23 23:01               ` Damien Le Moal
2021-08-24 21:33               ` Niklas Cassel
2021-06-21 16:06 ` [PATCH v3 00/16] Improve I/O priority support Jens Axboe

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