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Date: Mon, 18 Jan 2021 21:05:54 -0800
From: Chaitanya Kulkarni <chaitanya.kulkarni@....com>
To: linux-block@...r.kernel.org, linux-xfs@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
drbd-dev@...ts.linbit.com, linux-bcache@...r.kernel.org,
linux-raid@...r.kernel.org, linux-nvme@...ts.infradead.org,
linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
cluster-devel@...hat.com
Cc: jfs-discussion@...ts.sourceforge.net, dm-devel@...hat.com,
axboe@...nel.dk, philipp.reisner@...bit.com,
lars.ellenberg@...bit.com, efremov@...ux.com, colyli@...e.de,
kent.overstreet@...il.com, agk@...hat.com, snitzer@...hat.com,
song@...nel.org, hch@....de, sagi@...mberg.me,
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darrick.wong@...cle.com, shaggy@...nel.org, damien.lemoal@....com,
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osandov@...com, bvanassche@....org, gustavo@...eddedor.com,
asml.silence@...il.com, jefflexu@...ux.alibaba.com,
Chaitanya Kulkarni <chaitanya.kulkarni@....com>
Subject: [RFC PATCH 00/37] block: introduce bio_init_fields()
Hi,
This is a *compile only RFC* which adds a generic helper to initialize
the various fields of the bio that is repeated all the places in
file-systems, block layer, and drivers.
The new helper allows callers to initialize various members such as
bdev, sector, private, end io callback, io priority, and write hints.
The objective of this RFC is to only start a discussion, this it not
completely tested at all.
Following diff shows code level benefits of this helper :-
38 files changed, 124 insertions(+), 236 deletions(-)
-ck
Chaitanya Kulkarni (37):
block: introduce bio_init_fields() helper
fs: use bio_init_fields in block_dev
btrfs: use bio_init_fields in disk-io
btrfs: use bio_init_fields in volumes
ext4: use bio_init_fields in page_io
gfs2: use bio_init_fields in lops
gfs2: use bio_init_fields in meta_io
gfs2: use bio_init_fields in ops_fstype
iomap: use bio_init_fields in buffered-io
iomap: use bio_init_fields in direct-io
jfs: use bio_init_fields in logmgr
zonefs: use bio_init_fields in append
drdb: use bio_init_fields in actlog
drdb: use bio_init_fields in bitmap
drdb: use bio_init_fields in receiver
floppy: use bio_init_fields
pktcdvd: use bio_init_fields
bcache: use bio_init_fields in journal
bcache: use bio_init_fields in super
bcache: use bio_init_fields in writeback
dm-bufio: use bio_init_fields
dm-crypt: use bio_init_fields
dm-zoned: use bio_init_fields metadata
dm-zoned: use bio_init_fields target
dm-zoned: use bio_init_fields
dm log writes: use bio_init_fields
nvmet: use bio_init_fields in bdev-ns
target: use bio_init_fields in iblock
btrfs: use bio_init_fields in scrub
fs: use bio_init_fields in buffer
eros: use bio_init_fields in data
eros: use bio_init_fields in zdata
jfs: use bio_init_fields in metadata
nfs: use bio_init_fields in blocklayout
ocfs: use bio_init_fields in heartbeat
xfs: use bio_init_fields in xfs_buf
xfs: use bio_init_fields in xfs_log
block/blk-lib.c | 13 +++++--------
drivers/block/drbd/drbd_actlog.c | 5 +----
drivers/block/drbd/drbd_bitmap.c | 5 +----
drivers/block/drbd/drbd_receiver.c | 11 +++--------
drivers/block/floppy.c | 5 +----
drivers/block/pktcdvd.c | 12 ++++--------
drivers/md/bcache/journal.c | 21 ++++++++-------------
drivers/md/bcache/super.c | 19 +++++--------------
drivers/md/bcache/writeback.c | 14 ++++++--------
drivers/md/dm-bufio.c | 5 +----
drivers/md/dm-crypt.c | 4 +---
drivers/md/dm-log-writes.c | 21 ++++++---------------
drivers/md/dm-zoned-metadata.c | 15 +++++----------
drivers/md/dm-zoned-target.c | 9 +++------
drivers/md/md.c | 6 ++----
drivers/nvme/target/io-cmd-bdev.c | 4 +---
drivers/target/target_core_iblock.c | 11 +++--------
fs/block_dev.c | 17 +++++------------
fs/btrfs/disk-io.c | 11 ++++-------
fs/btrfs/scrub.c | 6 ++----
fs/btrfs/volumes.c | 4 +---
fs/buffer.c | 7 ++-----
fs/erofs/data.c | 6 ++----
fs/erofs/zdata.c | 9 +++------
fs/ext4/page-io.c | 6 ++----
fs/gfs2/lops.c | 6 ++----
fs/gfs2/meta_io.c | 5 ++---
fs/gfs2/ops_fstype.c | 7 ++-----
fs/iomap/buffered-io.c | 5 ++---
fs/iomap/direct-io.c | 15 +++++----------
fs/jfs/jfs_logmgr.c | 16 ++++------------
fs/jfs/jfs_metapage.c | 16 +++++++---------
fs/nfs/blocklayout/blocklayout.c | 8 ++------
fs/ocfs2/cluster/heartbeat.c | 4 +---
fs/xfs/xfs_buf.c | 6 ++----
fs/xfs/xfs_log.c | 6 ++----
fs/zonefs/super.c | 7 +++----
include/linux/bio.h | 13 +++++++++++++
38 files changed, 124 insertions(+), 236 deletions(-)
--
2.22.1
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