From: Pavel Begunkov <asml.silence@gmail.com>
To: Ming Lei <ming.lei@redhat.com>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH V3 0/6] block: improvement on bioset & bvec allocation
Date: Mon, 11 Jan 2021 04:35:43 +0000 [thread overview]
Message-ID: <1a7824b1-4f85-7851-28f5-9b3e58547f7a@gmail.com> (raw)
In-Reply-To: <20210111030557.4154161-1-ming.lei@redhat.com>
On 11/01/2021 03:05, Ming Lei wrote:
> Hello Jens,
>
> All are bioset / bvec improvement, and most of them are quite
> straightforward.
That's cool. As mentioned before, removing inline bvecs brings
struct blkdev_dio from 3 cachelines to 2. And together with no-copy
bvec we can do that shrinking for all bvec based requests.
>
> V3:
> - share two line code via goto with one label, only patch 1 is
> changed
>
> V2:
> - patch style change, most is in patch 1
> - commit log change
>
> Ming Lei (6):
> block: manage bio slab cache by xarray
> block: don't pass BIOSET_NEED_BVECS for q->bio_split
> block: don't allocate inline bvecs if this bioset needn't bvecs
> block: set .bi_max_vecs as actual allocated vector number
> block: move three bvec helpers declaration into private helper
> bcache: don't pass BIOSET_NEED_BVECS for the 'bio_set' embedded in
> 'cache_set'
>
> block/bio.c | 122 +++++++++++++++++---------------------
> block/blk-core.c | 2 +-
> block/blk.h | 4 ++
> drivers/md/bcache/super.c | 2 +-
> include/linux/bio.h | 4 +-
> 5 files changed, 61 insertions(+), 73 deletions(-)
>
--
Pavel Begunkov
next prev parent reply other threads:[~2021-01-11 4:40 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 3:05 [PATCH V3 0/6] block: improvement on bioset & bvec allocation Ming Lei
2021-01-11 3:05 ` [PATCH V3 1/6] block: manage bio slab cache by xarray Ming Lei
2021-01-11 4:39 ` Pavel Begunkov
2021-01-11 6:57 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 2/6] block: don't pass BIOSET_NEED_BVECS for q->bio_split Ming Lei
2021-01-11 4:41 ` Pavel Begunkov
2021-01-11 6:57 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 3/6] block: don't allocate inline bvecs if this bioset needn't bvecs Ming Lei
2021-01-11 4:41 ` Pavel Begunkov
2021-01-11 6:58 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 4/6] block: set .bi_max_vecs as actual allocated vector number Ming Lei
2021-01-11 4:42 ` Pavel Begunkov
2021-01-11 6:59 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 5/6] block: move three bvec helpers declaration into private helper Ming Lei
2021-01-11 4:42 ` Pavel Begunkov
2021-01-11 7:00 ` Hannes Reinecke
2021-01-11 3:05 ` [PATCH V3 6/6] bcache: don't pass BIOSET_NEED_BVECS for the 'bio_set' embedded in 'cache_set' Ming Lei
2021-01-11 3:54 ` Coly Li
2021-01-11 7:00 ` Hannes Reinecke
2021-01-11 4:35 ` Pavel Begunkov [this message]
2021-01-25 2:27 ` [PATCH V3 0/6] block: improvement on bioset & bvec allocation Ming Lei
2021-01-25 4:24 ` Jens Axboe
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