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From: Christoph Hellwig <hch@lst.de>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Christoph Hellwig <hch@lst.de>,
	Israel Rukshin <israelr@mellanox.com>,
	Linux-nvme <linux-nvme-bounces@lists.infradead.org>,
	linux-block@vger.kernel.org, Max Gurtovoy <maxg@mellanox.com>,
	Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH] blk-mq: Iterate also over sched_tags requests at blk_mq_tagset_iter()
Date: Mon, 23 Oct 2017 09:30:09 +0200	[thread overview]
Message-ID: <20171023073009.GB17954@lst.de> (raw)
In-Reply-To: <68bf7dff-d186-eb09-b853-254d0ae6f3e5@grimberg.me>

On Mon, Oct 23, 2017 at 10:27:29AM +0300, Sagi Grimberg wrote:
> Note that it does introduce a new spinlock to our hot-path, but given
> the current over-allocation scheme with schedulers, its probably better
> off.

We could look into llists if it matters.

  reply	other threads:[~2017-10-23  7:30 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-22 13:47 [PATCH] blk-mq: Iterate also over sched_tags requests at blk_mq_tagset_iter() Israel Rukshin
2017-10-22 18:32 ` Sagi Grimberg
2017-10-23  6:26   ` Christoph Hellwig
2017-10-23  7:27     ` Sagi Grimberg
2017-10-23  7:30       ` Christoph Hellwig [this message]
2017-10-23  6:38 ` Bart Van Assche
2017-10-23  7:52   ` Sagi Grimberg
2017-10-23  9:31     ` Max Gurtovoy
2017-10-23 10:00 ` Ming Lei

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