From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org
Subject: Re: [PATCH 4/4] block: introduce mp_bvec_for_each_page() for iterating over page
Date: Thu, 28 Feb 2019 06:13:19 -0800 [thread overview]
Message-ID: <20190228141319.GA18069@infradead.org> (raw)
In-Reply-To: <20190227124013.4828-5-ming.lei@redhat.com>
On Wed, Feb 27, 2019 at 08:40:13PM +0800, Ming Lei wrote:
> mp_bvec_for_each_segment() is a bit big for the iteration, so introduce
> a light-weight helper for iterating over pages, then 32bytes stack
> space can be saved.
The version in Jens' tree seems to add this helper, but no actual
users..
next prev parent reply other threads:[~2019-02-28 14:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-27 12:40 [PATCH 0/4] block: optimize for single-page bvec workloads Ming Lei
2019-02-27 12:40 ` [PATCH 1/4] block: introduce bvec_nth_page() Ming Lei
2019-02-27 12:40 ` [PATCH 2/4] block: optimize __blk_segment_map_sg() for single-page bvec Ming Lei
2019-02-27 12:40 ` [PATCH 3/4] block: optimize blk_bio_segment_split " Ming Lei
2019-02-27 12:40 ` [PATCH 4/4] block: introduce mp_bvec_for_each_page() for iterating over page Ming Lei
2019-02-28 14:13 ` Christoph Hellwig [this message]
2019-02-28 15:10 ` Jens Axboe
2019-02-27 13:25 ` [PATCH 0/4] block: optimize for single-page bvec workloads Jens Axboe
2019-02-27 15:41 ` Ming Lei
2019-02-27 15:54 ` Jens Axboe
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