From: Pavel Begunkov <asml.silence@gmail.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5.11] block: optimise for_each_bvec() advance
Date: Tue, 24 Nov 2020 12:54:06 +0000 [thread overview]
Message-ID: <2b73d46d-deb6-ecb5-6d0e-1d26d572481a@gmail.com> (raw)
In-Reply-To: <20201124113729.GA88892@T590>
On 24/11/2020 11:37, Ming Lei wrote:
> On Tue, Nov 24, 2020 at 10:21:23AM +0000, Pavel Begunkov wrote:
>> Because of how for_each_bvec() works it never advances across multiple
>> entries at a time, so bvec_iter_advance() is an overkill. Add
>> specialised bvec_iter_advance_single() that is faster. It also handles
>> zero-len bvecs, so can kill bvec_iter_skip_zero_bvec().
>>
[...]
>
> Looks fine,
>
> Reviewed-by: Ming Lei <ming.lei@redhat.com>
Thanks Ming
--
Pavel Begunkov
prev parent reply other threads:[~2020-11-24 12:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-24 10:21 [PATCH 5.11] block: optimise for_each_bvec() advance Pavel Begunkov
2020-11-24 11:22 ` Christoph Hellwig
2020-11-24 13:00 ` Pavel Begunkov
2020-11-24 11:37 ` Ming Lei
2020-11-24 12:54 ` Pavel Begunkov [this message]
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