linux-kernel - [PATCH 0/2] bio iter improvements

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Date:   Mon, 27 Mar 2023 13:44:00 -0400
From:   Kent Overstreet <kent.overstreet@...ux.dev>
To:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Cc:     Kent Overstreet <kent.overstreet@...ux.dev>, willy@...radead.org,
        axboe@...nel.dk
Subject: [PATCH 0/2] bio iter improvements

Small patch series cleaning up/standardizing bio_for_each_segment_all(),
which means we can use the same guts for bio_for_each_folio_all(),
considerably simplifying that code.

The squashfs maintainer will want to look at and test those changes,
that code was doing some slightly tricky things. The rest was a pretty
mechanical conversion.

Kent Overstreet (2):
  block: Rework bio_for_each_segment_all()
  block: Rework bio_for_each_folio_all()

 block/bio.c               |  38 ++++++------
 block/blk-map.c           |  38 ++++++------
 block/bounce.c            |  12 ++--
 drivers/md/bcache/btree.c |   8 +--
 drivers/md/dm-crypt.c     |  10 ++--
 drivers/md/raid1.c        |   4 +-
 fs/btrfs/disk-io.c        |  10 ++--
 fs/btrfs/extent_io.c      |  52 ++++++++--------
 fs/btrfs/inode.c          |   8 +--
 fs/btrfs/raid56.c         |  18 +++---
 fs/crypto/bio.c           |   8 +--
 fs/erofs/zdata.c          |   4 +-
 fs/ext4/page-io.c         |   8 +--
 fs/ext4/readpage.c        |   4 +-
 fs/f2fs/data.c            |  20 +++----
 fs/gfs2/lops.c            |  10 ++--
 fs/gfs2/meta_io.c         |   8 +--
 fs/iomap/buffered-io.c    |  14 +++--
 fs/mpage.c                |   4 +-
 fs/squashfs/block.c       |  48 ++++++++-------
 fs/squashfs/lz4_wrapper.c |  17 +++---
 fs/squashfs/lzo_wrapper.c |  17 +++---
 fs/verity/verify.c        |   4 +-
 include/linux/bio.h       | 123 +++++++++++++++++++++-----------------
 include/linux/bvec.h      |  70 ++++++++++++++--------
 25 files changed, 302 insertions(+), 255 deletions(-)

-- 
2.39.2