From: Omar Sandoval <osandov@osandov.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Theodore Ts'o <tytso@mit.edu>,
Omar Sandoval <osandov@fb.com>, Sagi Grimberg <sagi@grimberg.me>,
Dave Chinner <dchinner@redhat.com>,
Kent Overstreet <kent.overstreet@gmail.com>,
Mike Snitzer <snitzer@redhat.com>,
dm-devel@redhat.com, Alexander Viro <viro@zeniv.linux.org.uk>,
linux-fsdevel@vger.kernel.org, Shaohua Li <shli@kernel.org>,
linux-raid@vger.kernel.org, David Sterba <dsterba@suse.com>,
linux-btrfs@vger.kernel.org,
"Darrick J . Wong" <darrick.wong@oracle.com>,
linux-xfs@vger.kernel.org, Gao Xiang <gaoxiang25@huawei.com>,
Christoph Hellwig <hch@lst.de>,
linux-ext4@vger.kernel.org, Coly Li <colyli@suse.de>,
linux-bcache@vger.kernel.org, Boaz Harrosh <ooo@electrozaur.com>,
Bob Peterson <rpeterso@redhat.com>,
cluster-devel@redhat.com
Subject: Re: [PATCH V12 15/20] block: allow bio_for_each_segment_all() to iterate over multi-page bvec
Date: Mon, 26 Nov 2018 14:42:39 -0800 [thread overview]
Message-ID: <20181126224239.GL30411@vader> (raw)
In-Reply-To: <20181126021720.19471-16-ming.lei@redhat.com>
On Mon, Nov 26, 2018 at 10:17:15AM +0800, Ming Lei wrote:
> This patch introduces one extra iterator variable to bio_for_each_segment_all(),
> then we can allow bio_for_each_segment_all() to iterate over multi-page bvec.
>
> Given it is just one mechannical & simple change on all bio_for_each_segment_all()
> users, this patch does tree-wide change in one single patch, so that we can
> avoid to use a temporary helper for this conversion.
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Omar Sandoval <osandov@fb.com>
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
> ---
> block/bio.c | 27 ++++++++++++++++++---------
> block/bounce.c | 6 ++++--
> drivers/md/bcache/btree.c | 3 ++-
> drivers/md/dm-crypt.c | 3 ++-
> drivers/md/raid1.c | 3 ++-
> drivers/staging/erofs/data.c | 3 ++-
> drivers/staging/erofs/unzip_vle.c | 3 ++-
> fs/block_dev.c | 6 ++++--
> fs/btrfs/compression.c | 3 ++-
> fs/btrfs/disk-io.c | 3 ++-
> fs/btrfs/extent_io.c | 9 ++++++---
> fs/btrfs/inode.c | 6 ++++--
> fs/btrfs/raid56.c | 3 ++-
> fs/crypto/bio.c | 3 ++-
> fs/direct-io.c | 4 +++-
> fs/exofs/ore.c | 3 ++-
> fs/exofs/ore_raid.c | 3 ++-
> fs/ext4/page-io.c | 3 ++-
> fs/ext4/readpage.c | 3 ++-
> fs/f2fs/data.c | 9 ++++++---
> fs/gfs2/lops.c | 6 ++++--
> fs/gfs2/meta_io.c | 3 ++-
> fs/iomap.c | 6 ++++--
> fs/mpage.c | 3 ++-
> fs/xfs/xfs_aops.c | 5 +++--
> include/linux/bio.h | 11 +++++++++--
> include/linux/bvec.h | 30 ++++++++++++++++++++++++++++++
> 27 files changed, 125 insertions(+), 45 deletions(-)
next prev parent reply other threads:[~2018-11-26 22:42 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-26 2:17 [PATCH V12 00/20] block: support multi-page bvec Ming Lei
2018-11-26 2:17 ` [PATCH V12 01/20] btrfs: remove various bio_offset arguments Ming Lei
2018-11-26 22:28 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 02/20] btrfs: look at bi_size for repair decisions Ming Lei
2018-11-26 22:46 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 03/20] block: remove the "cluster" flag Ming Lei
2018-11-26 22:12 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 04/20] block: don't use bio->bi_vcnt to figure out segment number Ming Lei
2018-11-26 22:14 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 05/20] block: remove bvec_iter_rewind() Ming Lei
2018-11-26 12:53 ` Christoph Hellwig
2018-11-26 22:16 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 06/20] block: rename bvec helpers Ming Lei
2018-11-26 8:17 ` Miguel Ojeda
2018-11-26 12:54 ` Christoph Hellwig
2018-11-26 22:18 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 07/20] block: introduce multi-page " Ming Lei
2018-11-26 12:55 ` Christoph Hellwig
2018-11-26 2:17 ` [PATCH V12 08/20] block: introduce bio_for_each_bvec() and rq_for_each_bvec() Ming Lei
2018-11-26 12:55 ` Christoph Hellwig
2018-11-26 2:17 ` [PATCH V12 09/20] block: use bio_for_each_bvec() to compute multi-page bvec count Ming Lei
2018-11-26 13:11 ` Christoph Hellwig
2018-11-26 22:37 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 10/20] block: use bio_for_each_bvec() to map sg Ming Lei
2018-11-26 13:11 ` Christoph Hellwig
2018-11-26 2:17 ` [PATCH V12 11/20] block: introduce bvec_last_segment() Ming Lei
2018-11-26 2:17 ` [PATCH V12 12/20] fs/buffer.c: use bvec iterator to truncate the bio Ming Lei
2018-11-26 2:17 ` [PATCH V12 13/20] block: loop: pass multi-page bvec to iov_iter Ming Lei
2018-11-26 22:39 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 14/20] bcache: avoid to use bio_for_each_segment_all() in bch_bio_alloc_pages() Ming Lei
2018-11-26 22:40 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 15/20] block: allow bio_for_each_segment_all() to iterate over multi-page bvec Ming Lei
2018-11-26 22:42 ` Omar Sandoval [this message]
2018-11-26 2:17 ` [PATCH V12 16/20] block: enable multipage bvecs Ming Lei
2018-11-26 12:58 ` Christoph Hellwig
2018-11-27 2:25 ` Ming Lei
2018-11-26 22:56 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 17/20] block: always define BIO_MAX_PAGES as 256 Ming Lei
2018-11-26 22:44 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 18/20] block: document usage of bio iterator helpers Ming Lei
2018-11-26 12:59 ` Christoph Hellwig
2018-11-26 22:43 ` Omar Sandoval
2018-11-26 2:17 ` [PATCH V12 19/20] block: kill QUEUE_FLAG_NO_SG_MERGE Ming Lei
2018-11-26 2:17 ` [PATCH V12 20/20] block: kill BLK_MQ_F_SG_MERGE Ming Lei
2018-11-28 13:44 ` [PATCH V12 00/20] block: support multi-page bvec Jens Axboe
2018-11-29 1:30 ` Ming Lei
2018-11-29 2:20 ` Jens Axboe
2018-11-29 3:30 ` Ming Lei
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