From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: "Pavel Begunkov" <asml.silence@gmail.com>,
"Mike Snitzer" <snitzer@redhat.com>,
"Ryusuke Konishi" <konishi.ryusuke@gmail.com>,
"Konstantin Komarov" <almaz.alexandrovich@paragon-software.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Md . Haris Iqbal" <haris.iqbal@ionos.com>,
"Jack Wang" <jinpu.wang@ionos.com>,
"Roger Pau Monné" <roger.pau@citrix.co>,
"Philipp Reisner" <philipp.reisner@linbit.com>,
"Lars Ellenberg" <lars.ellenberg@linbit.com>,
linux-block@vger.kernel.org, dm-devel@redhat.com,
linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org,
linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev,
xen-devel@lists.xenproject.org, drbd-dev@lists.linbit.com
Subject: Re: improve the bio allocation interface
Date: Wed, 19 Jan 2022 06:27:04 -0700 [thread overview]
Message-ID: <2b9aedb6-4531-91fe-3493-133470ebee80@kernel.dk> (raw)
In-Reply-To: <20220118071952.1243143-1-hch@lst.de>
On 1/18/22 12:19 AM, Christoph Hellwig wrote:
> Hi Jens,
>
> this series is posted early because it has wide-ranging changes and
> could use some early ACKs before -rc1.
>
> It changes the interface to the bio allocators to always pass a
> block_device and the operation, which is information needed for every
> bio submitted through bio_submit. This means the fields can be
> directly initialized in bio_init instead of first being zeroed and
> thus should help to micro-optimize even better than the __bio_set_dev
> that Pavel proposed while also cleaning up code.
Looks pretty straight forward from the block core point of view. Didn't
look too closely at the fs/driver changes yet.
--
Jens Axboe
prev parent reply other threads:[~2022-01-19 13:27 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-18 7:19 improve the bio allocation interface Christoph Hellwig
2022-01-18 7:19 ` [PATCH 01/19] fs: remove mpage_alloc Christoph Hellwig
2022-01-18 7:19 ` [PATCH 02/19] nilfs2: remove nilfs_alloc_seg_bio Christoph Hellwig
2022-01-18 7:19 ` [PATCH 03/19] nfs/blocklayout: remove bl_alloc_init_bio Christoph Hellwig
2022-01-18 7:19 ` [PATCH 04/19] ntfs3: remove ntfs_alloc_bio Christoph Hellwig
2022-01-18 7:19 ` [PATCH 05/19] dm: bio_alloc can't fail if it is allowed to sleep Christoph Hellwig
2022-01-18 7:19 ` [PATCH 06/19] dm-crypt: remove clone_init Christoph Hellwig
2022-01-18 7:19 ` [PATCH 07/19] dm-snap: use blkdev_issue_flush instead of open coding it Christoph Hellwig
2022-01-18 7:19 ` [PATCH 08/19] dm-thin: " Christoph Hellwig
2022-01-18 7:19 ` [PATCH 09/19] drbd: bio_alloc can't fail if it is allow to sleep Christoph Hellwig
2022-01-18 7:19 ` [PATCH 10/19] rnbd-srv: simplify bio mapping in process_rdma Christoph Hellwig
2022-01-19 0:20 ` Jinpu Wang
2022-01-19 0:48 ` Jinpu Wang
2022-01-20 8:37 ` Christoph Hellwig
2022-01-20 8:46 ` Jinpu Wang
2022-01-18 7:19 ` [PATCH 11/19] rnbd-src: remove struct rnbd_dev_blk_io Christoph Hellwig
2022-01-19 15:32 ` Jinpu Wang
2022-01-18 7:19 ` [PATCH 12/19] xen-blkback: bio_alloc can't fail if it is allow to sleep Christoph Hellwig
2022-01-18 7:19 ` [PATCH 13/19] block: move blk_next_bio to bio.c Christoph Hellwig
2022-01-18 22:10 ` Chaitanya Kulkarni
2022-01-18 7:19 ` [PATCH 14/19] block: pass a block_device and opf to blk_next_bio Christoph Hellwig
2022-01-18 22:11 ` Chaitanya Kulkarni
2022-01-20 8:34 ` Christoph Hellwig
2022-01-18 7:19 ` [PATCH 15/19] block: pass a block_device and opf to bio_alloc_bioset Christoph Hellwig
2022-01-18 22:12 ` Chaitanya Kulkarni
2022-01-18 7:19 ` [PATCH 16/19] block: pass a block_device and opf to bio_alloc_kiocb Christoph Hellwig
2022-01-18 22:12 ` Chaitanya Kulkarni
2022-01-18 7:19 ` [PATCH 17/19] block: pass a block_device and opf to bio_alloc Christoph Hellwig
2022-01-18 22:14 ` Chaitanya Kulkarni
2022-01-18 7:19 ` [PATCH 18/19] block: pass a block_device and opf to bio_init Christoph Hellwig
2022-01-18 22:15 ` Chaitanya Kulkarni
2022-01-18 7:19 ` [PATCH 19/19] block: pass a block_device and opf to bio_reset Christoph Hellwig
2022-01-18 22:16 ` Chaitanya Kulkarni
2022-01-19 13:27 ` Jens Axboe [this message]
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