From: Jens Axboe <axboe@kernel.dk>
To: Shaohua Li <shli@kernel.org>, linux-block@vger.kernel.org
Cc: vgoyal@redhat.com, tj@kernel.org, Kernel-team@fb.com,
Shaohua Li <shli@fb.com>
Subject: Re: [PATCH V2 2/3] block: set request_list for request
Date: Tue, 10 Oct 2017 13:47:55 -0600 [thread overview]
Message-ID: <d10296ba-669c-2272-678e-9f4d982a9a3b@kernel.dk> (raw)
In-Reply-To: <39caee250aa6d115c0505d629a76281b84369f8e.1507337347.git.shli@fb.com>
On 10/06/2017 06:56 PM, Shaohua Li wrote:
> From: Shaohua Li <shli@fb.com>
>
> Legacy queue sets request's request_list, mq doesn't. This makes mq does
> the same thing, so we can find cgroup of a request. Note, we really
> only use blkg field of request_list, it's pointless to allocate mempool
> for request_list in mq case.
Looks OK to me.
--
Jens Axboe
next prev parent reply other threads:[~2017-10-10 19:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-07 0:55 [PATCH V2 0/3] block: export latency info for cgroups Shaohua Li
2017-10-07 0:55 ` [PATCH V2 1/3] blk-stat: delete useless code Shaohua Li
2017-10-10 17:57 ` Omar Sandoval
2017-10-10 18:02 ` Jens Axboe
2017-10-07 0:56 ` [PATCH V2 2/3] block: set request_list for request Shaohua Li
2017-10-10 19:47 ` Jens Axboe [this message]
2017-10-07 0:56 ` [PATCH V2 3/3] blockcg: export latency info for each cgroup Shaohua Li
2017-10-10 17:35 ` weiping zhang
2017-10-10 18:23 ` Shaohua Li
2017-10-11 14:41 ` weiping zhang
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