From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Keith Busch <kbusch@kernel.org>,
Jonathan Derrick <jonathan.derrick@linux.dev>
Cc: Christoph Hellwig <hch@lst.de>,
Chaitanya Kulkarni <chaitanyak@nvidia.com>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"sagi@grimberg.me" <sagi@grimberg.me>
Subject: Re: [PATCH 3/3] nvme-core: mark internal passthru req REQ_QUIET
Date: Fri, 15 Apr 2022 06:01:05 +0000 [thread overview]
Message-ID: <3ee642fc-ef58-aeb8-78e5-5b356fde1b3c@nvidia.com> (raw)
In-Reply-To: <YlcDz4x+PNLgsSCQ@kbusch-mbp.dhcp.thefacebook.com>
>> Well let's suppose I had written RQF_QUIET instead of the non-existent
>> REQ_QUIET
>
> The "flags" value passed to blk_mq_alloc_request() is not the same as the
> values for rq_flags, though.
>
> I guess you could add a new allocation flag, maybe called something like
> BLK_MQ_REQ_QUIET to tell the block layer to set RQF_QUIET. That is similiar to
> how BLK_MQ_REQ_PM is used for RQF_PM, but I'm not sure we want to add another
> 'if' check in the fast path.
unless it is absolutely necessary we should avoid that.
-ck
next prev parent reply other threads:[~2022-04-15 6:04 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-11 3:12 [PATCH 0/3] nvme: fix internal passthru error messages Chaitanya Kulkarni
2022-04-11 3:12 ` [PATCH 1/3] nvmet: handle admin default command set identifier Chaitanya Kulkarni
2022-04-11 6:18 ` Christoph Hellwig
2022-05-10 6:33 ` Christoph Hellwig
2022-04-11 3:12 ` [PATCH 2/3] nvme-core: don't check non-mdts for disc ctrl Chaitanya Kulkarni
2022-04-11 6:13 ` Christoph Hellwig
2022-04-11 10:27 ` Sagi Grimberg
2022-04-11 10:49 ` Chaitanya Kulkarni
2022-04-11 12:09 ` Chaitanya Kulkarni
2022-04-11 12:12 ` Christoph Hellwig
2022-04-11 12:40 ` Chaitanya Kulkarni
2022-04-11 14:14 ` Keith Busch
2022-04-11 20:44 ` Chaitanya Kulkarni
2022-04-11 23:51 ` Keith Busch
2022-05-10 6:21 ` Christoph Hellwig
2022-05-11 7:19 ` Chaitanya Kulkarni
2022-04-11 3:12 ` [PATCH 3/3] nvme-core: mark internal passthru req REQ_QUIET Chaitanya Kulkarni
2022-04-11 6:12 ` Christoph Hellwig
2022-04-11 10:48 ` Chaitanya Kulkarni
2022-04-11 10:28 ` Sagi Grimberg
2022-04-11 10:49 ` Chaitanya Kulkarni
2022-04-13 12:07 ` Yi Zhang
2022-04-15 5:59 ` Chaitanya Kulkarni
2022-04-13 16:48 ` Jonathan Derrick
2022-04-13 16:49 ` Jonathan Derrick
2022-04-13 16:52 ` Christoph Hellwig
2022-04-13 16:57 ` Jonathan Derrick
2022-04-13 17:09 ` Keith Busch
2022-04-13 17:11 ` Jonathan Derrick
2022-04-15 6:01 ` Chaitanya Kulkarni [this message]
2022-04-13 16:58 ` Keith Busch
2022-04-13 18:42 ` Alan Adamson
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