From: Christoph Hellwig <hch@lst.de>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Christoph Hellwig <hch@lst.de>, Yu Kuai <yukuai1@huaweicloud.com>,
Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Ming Lei <ming.lei@redhat.com>, Keith Busch <kbusch@kernel.org>,
Damien Le Moal <damien.lemoal@opensource.wdc.com>,
Ed Tsai <ed.tsai@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
"yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH v6 1/4] block: Make fair tag sharing configurable
Date: Wed, 31 Jan 2024 07:22:54 +0100 [thread overview]
Message-ID: <20240131062254.GA16102@lst.de> (raw)
In-Reply-To: <38676388-4c32-414c-a468-5f82a2e9dda4@acm.org>
On Mon, Jan 29, 2024 at 04:03:11PM -0800, Bart Van Assche wrote:
> Would you agree with disabling fair sharing entirely?
As far as I can tell fair sharing exists to for two reasons:
1) to guarantee each queue can actually make progress for e.g.
memory reclaim
2) to not unfairly give queues and advantage over others
What are you arguments that we do not need this?
next prev parent reply other threads:[~2024-01-31 6:22 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-30 19:31 [PATCH v6 0/6] Disable fair tag sharing for UFS devices Bart Van Assche
2023-11-30 19:31 ` [PATCH v6 1/4] block: Make fair tag sharing configurable Bart Van Assche
2023-12-01 12:52 ` Johannes Thumshirn
2023-12-01 22:14 ` Bart Van Assche
2023-12-02 7:21 ` Yu Kuai
2023-12-04 4:13 ` Bart Van Assche
2023-12-25 12:51 ` Yu Kuai
2023-12-26 2:22 ` Bart Van Assche
2024-01-11 19:22 ` Bart Van Assche
2024-01-12 1:08 ` Yu Kuai
2024-01-12 4:39 ` Christoph Hellwig
2024-01-14 3:22 ` Yu Kuai
2024-01-15 5:59 ` Christoph Hellwig
2024-01-15 6:18 ` Yu Kuai
2024-01-16 2:59 ` Bart Van Assche
2024-01-16 10:24 ` Yu Kuai
2024-01-16 17:36 ` Bart Van Assche
2024-01-18 7:31 ` Christoph Hellwig
2024-01-18 18:40 ` Bart Van Assche
2024-01-23 9:13 ` Christoph Hellwig
2024-01-23 15:16 ` Bart Van Assche
2024-01-24 9:08 ` Christoph Hellwig
2024-01-30 0:03 ` Bart Van Assche
2024-01-31 6:22 ` Christoph Hellwig [this message]
2024-01-31 21:32 ` Bart Van Assche
2024-01-31 21:37 ` Keith Busch
2024-01-31 21:42 ` Bart Van Assche
2024-01-31 23:04 ` Keith Busch
2024-01-31 23:41 ` Bart Van Assche
2024-01-31 23:52 ` Damien Le Moal
2024-01-16 2:52 ` Bart Van Assche
2023-11-30 19:31 ` [PATCH v6 2/4] scsi: core: Make fair tag sharing configurable in the host template Bart Van Assche
2023-11-30 19:31 ` [PATCH v6 3/4] scsi: core: Make fair tag sharing configurable via sysfs Bart Van Assche
2023-11-30 19:31 ` [PATCH v6 4/4] scsi: ufs: Disable fair tag sharing Bart Van Assche
2023-12-04 7:52 ` [PATCH v6 0/6] Disable fair tag sharing for UFS devices Christoph Hellwig
2023-12-05 3:15 ` Bart Van Assche
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