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From: Jens Axboe <axboe@kernel.dk>
To: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
	linux-block@vger.kernel.org
Cc: Damien Le Moal <damien.lemoal@wdc.com>, Bob Liu <bob.liu@oracle.com>
Subject: Re: [PATCH V3] block: mark zone-mgmt bios with REQ_SYNC
Date: Wed, 8 Jan 2020 21:42:03 -0700	[thread overview]
Message-ID: <c4615aa5-bb48-6479-56c9-aa0254515c62@kernel.dk> (raw)
In-Reply-To: <20200107215817.2162-1-chaitanya.kulkarni@wdc.com>

On 1/7/20 2:58 PM, Chaitanya Kulkarni wrote:
> In the current implementation, final zone-mgmt request is issued with
> submit_bio_wait() which marks the bio REQ_SYNC. This is needed since
> immediate action is expected for zone-mgmt requests as these are
> blocking operations. This also bypasses the scheduler in the
> blk_mq_make_request() and dispatches the request directly into the
> hw ctx.
> 
> This patch marks all the chained bios REQ_SYNC so that we can have
> above-mentioned behavior for non-final bios also.

Applied, thanks.

-- 
Jens Axboe


      reply	other threads:[~2020-01-09  4:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-07 21:58 [PATCH V3] block: mark zone-mgmt bios with REQ_SYNC Chaitanya Kulkarni
2020-01-09  4:42 ` Jens Axboe [this message]

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