From: Bart Van Assche <bvanassche@acm.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>, Damien Le Moal <dlemoal@kernel.org>,
linux-block@vger.kernel.org
Subject: Re: [PATCH 7/7] blk-mq: don't use the requeue list to queue flush commands
Date: Sun, 21 May 2023 07:06:29 -0700 [thread overview]
Message-ID: <6d9190c1-de31-cca4-e91c-5aa7f61628ac@acm.org> (raw)
In-Reply-To: <20230520045644.GB32182@lst.de>
On 5/19/23 21:56, Christoph Hellwig wrote:
> On Fri, May 19, 2023 at 12:55:45PM -0700, Bart Van Assche wrote:
>>> LIST_HEAD(rq_list);
>>> - struct request *rq, *next;
>>> + LIST_HEAD(flush_list);
>>> + struct request *rq;
>>> spin_lock_irq(&q->requeue_lock);
>>> list_splice_init(&q->requeue_list, &rq_list);
>>> + list_splice_init(&q->flush_list, &flush_list);
>>> spin_unlock_irq(&q->requeue_lock);
>>
>> "rq_list" stands for "request_list". That name is now confusing since this patch
>> add a second request list (flush_list).
>
> It is. But I think you were planning on doing a bigger rework in this
> area anyway?
Yes, that's right. I plan to remove both rq_list and flush_list from
this function.
Bart.
next prev parent reply other threads:[~2023-05-21 14:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-19 4:40 less special casing for flush requests v2 Christoph Hellwig
2023-05-19 4:40 ` [PATCH 1/7] blk-mq: factor out a blk_rq_init_flush helper Christoph Hellwig
2023-05-19 18:54 ` Bart Van Assche
2023-05-19 4:40 ` [PATCH 2/7] blk-mq: reflow blk_insert_flush Christoph Hellwig
2023-05-19 19:38 ` Bart Van Assche
2023-05-19 4:40 ` [PATCH 3/7] blk-mq: defer to the normal submission path for non-flush flush commands Christoph Hellwig
2023-05-19 4:40 ` [PATCH 4/7] blk-mq: use the I/O scheduler for writes from the flush state machine Christoph Hellwig
2023-05-19 19:44 ` Bart Van Assche
2023-05-24 5:53 ` Christoph Hellwig
2023-05-24 18:07 ` Bart Van Assche
2023-05-25 8:14 ` Christoph Hellwig
2023-05-28 20:50 ` Bart Van Assche
2023-05-30 14:55 ` Christoph Hellwig
2023-05-31 13:34 ` Bart Van Assche
2023-05-31 15:00 ` Christoph Hellwig
2023-05-19 4:40 ` [PATCH 5/7] blk-mq: defer to the normal submission path for post-flush requests Christoph Hellwig
2023-05-19 19:42 ` Bart Van Assche
2023-05-19 4:40 ` [PATCH 6/7] blk-mq: do not do head insertions post-pre-flush commands Christoph Hellwig
2023-05-19 4:40 ` [PATCH 7/7] blk-mq: don't use the requeue list to queue flush commands Christoph Hellwig
2023-05-19 19:55 ` Bart Van Assche
2023-05-20 4:56 ` Christoph Hellwig
2023-05-21 14:06 ` Bart Van Assche [this message]
2023-05-20 1:53 ` less special casing for flush requests v2 Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2023-04-16 20:09 RFC: less special casing for flush requests Christoph Hellwig
2023-04-16 20:09 ` [PATCH 7/7] blk-mq: don't use the requeue list to queue flush commands Christoph Hellwig
2023-04-16 21:01 ` Bart Van Assche
2023-04-17 4:26 ` Christoph Hellwig
2023-04-17 6:46 ` Damien Le Moal
2023-04-19 12:37 ` kernel test robot
2023-04-19 17:34 ` kernel test robot
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