From: Christoph Hellwig <hch@lst.de>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Hannes Reinecke <hare@suse.de>, Ming Lei <ming.lei@redhat.com>,
Yu Kuai <yukuai3@huawei.com>
Subject: Re: [PATCH] block: Improve IOPS by removing the fairness code
Date: Thu, 21 Mar 2024 23:48:14 +0100 [thread overview]
Message-ID: <20240321224814.GA23127@lst.de> (raw)
In-Reply-To: <20240321224605.107783-1-bvanassche@acm.org>
On Thu, Mar 21, 2024 at 03:46:05PM -0700, Bart Van Assche wrote:
> There is an algorithm in the block layer for maintaining fairness
> across queues that share a tag set. The sbitmap implementation has
> improved so much that we don't need the block layer fairness algorithm
> anymore and that we can rely on the sbitmap implementation to guarantee
> fairness.
IFF that was true it would be awesome. But do you have proof for that
assertation?
next prev parent reply other threads:[~2024-03-21 22:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-21 22:46 [PATCH] block: Improve IOPS by removing the fairness code Bart Van Assche
2024-03-21 22:48 ` Christoph Hellwig [this message]
2024-03-21 23:03 ` Bart Van Assche
2024-03-22 1:14 ` Yu Kuai
2024-03-22 16:09 ` Bart Van Assche
2024-03-21 22:57 ` Bart Van Assche
2024-03-22 2:25 ` Ming Lei
2024-03-22 16:11 ` Bart Van Assche
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