From: Jens Axboe <axboe@fb.com>
To: Omar Sandoval <osandov@osandov.com>,
Sagi Grimberg <sagi@grimberg.me>, <linux-block@vger.kernel.org>
Cc: <kernel-team@fb.com>
Subject: Re: [PATCH 1/3] blk-mq: make blk_mq_alloc_request_hctx() allocate a scheduler request
Date: Mon, 27 Feb 2017 11:07:27 -0700 [thread overview]
Message-ID: <6137d2c6-816e-83b2-103c-cdf0840f49fd@fb.com> (raw)
In-Reply-To: <dcfe49f597dc1eec3b326024c86a6ad3afb82fa8.1488217516.git.osandov@fb.com>
On 02/27/2017 10:47 AM, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@fb.com>
>
> blk_mq_alloc_request_hctx() allocates a driver request directly, unlike
> its blk_mq_alloc_request() counterpart. It also crashes because it
> doesn't update the tags->rqs map.
>
> Fix it by making it allocate a scheduler request.
All three look good to me. Would you mind respinning #1, it doesn't
apply on top of the reserved tag patch.
--
Jens Axboe
next prev parent reply other threads:[~2017-02-27 18:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-27 17:47 [PATCH 1/3] blk-mq: make blk_mq_alloc_request_hctx() allocate a scheduler request Omar Sandoval
2017-02-27 17:47 ` [PATCH 2/3] blk-mq: kill blk_mq_set_alloc_data() Omar Sandoval
2017-02-27 17:47 ` [PATCH 3/3] blk-mq: move update of tags->rqs to __blk_mq_alloc_request() Omar Sandoval
2017-02-27 17:53 ` [PATCH 1/3] blk-mq: make blk_mq_alloc_request_hctx() allocate a scheduler request Omar Sandoval
2017-02-27 18:02 ` Sagi Grimberg
2017-02-27 18:07 ` Jens Axboe [this message]
2017-02-27 18:30 ` Omar Sandoval
2017-02-27 18:34 ` Jens Axboe
2017-02-27 18:41 ` Sagi Grimberg
2017-02-27 18:44 ` Jens Axboe
2017-02-27 18:28 ` [PATCH v2] " Omar Sandoval
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