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[Qemu-block] [PATCH v6 00/20] block: kill sector-based blk_write/read
From: |
Eric Blake |
Subject: |
[Qemu-block] [PATCH v6 00/20] block: kill sector-based blk_write/read |
Date: |
Wed, 4 May 2016 17:55:06 -0600 |
2.7 material, depends on Kevin's block-next:
git://repo.or.cz/qemu/kevin.git block-next
Previously posted as part of a larger NBD series [1] and as v5 [2].
Mostly orthogonal to Kevin's recent work to also kill sector
interfaces from the driver.
[1] https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg03526.html
[2] https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg00235.html
Also available as a tag at this location:
git fetch git://repo.or.cz/qemu/ericb.git nbd-block-v6
Changes since then:
- patch 2: new patch for something that confused me
- patch 3 (was 12/14): moved earlier
- patch 4 (was 13/14): moved earlier, retitled, and touches more
interfaces
- patches 5-9: new, to cover blk_aio_{read,write}v
- patch 15: also cover blk_aio_{read,write}v
- patch 19: also cover blk_aio_{read,write}v, don't break
qemu-iotests 23 [kwolf]
- patch 20 (was 14/14): retitle, kill more dead code
I still plan to make qemu-io 'read' accept unaligned access
without requiring -p, but that will now come in a later series
that does other qemu-io UI improvements (besides, 20 patches is
big enough to review for now). For qemu-iotests 23 to work
with unaligned 'read', I also have to fix 'readv' to be
unaligned; which is why this series grew to include blk_aio_*.
Note that there are still a few sector-aligned blk_* interfaces
left even after this series, but we are progressively getting
closer to using byte interfaces throughout the code base.
001/20:[----] [--] 'block: Allow BDRV_REQ_FUA through blk_pwrite()'
002/20:[down] 'block: Drop private ioctl-only members of BlockRequest'
003/20:[----] [--] 'block: Switch blk_read_unthrottled() to byte interface'
004/20:[down] 'block: Switch blk_*write_zeroes() to byte interface'
005/20:[down] 'block: Introduce byte-based aio read/write'
006/20:[down] 'ide: Switch to byte-based aio block access'
007/20:[down] 'scsi-disk: Switch to byte-based aio block access'
008/20:[down] 'virtio: Switch to byte-based aio block access'
009/20:[down] 'xen_disk: Switch to byte-based aio block access'
010/20:[----] [--] 'fdc: Switch to byte-based block access'
011/20:[----] [--] 'nand: Switch to byte-based block access'
012/20:[----] [--] 'onenand: Switch to byte-based block access'
013/20:[----] [--] 'pflash: Switch to byte-based block access'
014/20:[----] [--] 'sd: Switch to byte-based block access'
015/20:[0020] [FC] 'm25p80: Switch to byte-based block access'
016/20:[----] [--] 'atapi: Switch to byte-based block access'
017/20:[----] [--] 'nbd: Switch to byte-based block access'
018/20:[----] [--] 'qemu-img: Switch to byte-based block access'
019/20:[0041] [FC] 'qemu-io: Switch to byte-based block access'
020/20:[down] 'block: Kill unused sector-based blk_* functions'
Eric Blake (20):
block: Allow BDRV_REQ_FUA through blk_pwrite()
block: Drop private ioctl-only members of BlockRequest
block: Switch blk_read_unthrottled() to byte interface
block: Switch blk_*write_zeroes() to byte interface
block: Introduce byte-based aio read/write
ide: Switch to byte-based aio block access
scsi-disk: Switch to byte-based aio block access
virtio: Switch to byte-based aio block access
xen_disk: Switch to byte-based aio block access
fdc: Switch to byte-based block access
nand: Switch to byte-based block access
onenand: Switch to byte-based block access
pflash: Switch to byte-based block access
sd: Switch to byte-based block access
m25p80: Switch to byte-based block access
atapi: Switch to byte-based block access
nbd: Switch to byte-based block access
qemu-img: Switch to byte-based block access
qemu-io: Switch to byte-based block access
block: Kill unused sector-based blk_* functions
hw/ide/internal.h | 2 +-
include/block/block.h | 16 ++-----
include/sysemu/block-backend.h | 33 ++++++-------
include/sysemu/dma.h | 4 +-
block/block-backend.c | 104 ++++++++++++-----------------------------
block/crypto.c | 2 +-
block/io.c | 8 ++--
block/parallels.c | 5 +-
block/qcow.c | 8 ++--
block/qcow2.c | 4 +-
block/qed.c | 6 +--
block/sheepdog.c | 2 +-
block/vdi.c | 4 +-
block/vhdx.c | 5 +-
block/vmdk.c | 10 ++--
block/vpc.c | 10 ++--
dma-helpers.c | 14 +++---
hw/block/fdc.c | 25 ++++++----
hw/block/hd-geometry.c | 2 +-
hw/block/m25p80.c | 23 +++------
hw/block/nand.c | 36 ++++++++------
hw/block/onenand.c | 41 ++++++++++------
hw/block/pflash_cfi01.c | 12 ++---
hw/block/pflash_cfi02.c | 12 ++---
hw/block/virtio-blk.c | 18 ++++---
hw/block/xen_disk.c | 10 ++--
hw/ide/atapi.c | 19 ++++----
hw/ide/core.c | 10 ++--
hw/ide/macio.c | 9 ++--
hw/nvram/spapr_nvram.c | 4 +-
hw/scsi/scsi-disk.c | 35 +++++++-------
hw/sd/sd.c | 51 ++------------------
nbd/server.c | 2 +-
qemu-img.c | 31 ++++++++----
qemu-io-cmds.c | 70 ++++++---------------------
qemu-nbd.c | 11 +++--
trace-events | 2 +-
37 files changed, 277 insertions(+), 383 deletions(-)
--
2.5.5
- [Qemu-block] [PATCH v6 00/20] block: kill sector-based blk_write/read,
Eric Blake <=
- [Qemu-block] [PATCH v6 02/20] block: Drop private ioctl-only members of BlockRequest, Eric Blake, 2016/05/04
- [Qemu-block] [PATCH v6 03/20] block: Switch blk_read_unthrottled() to byte interface, Eric Blake, 2016/05/04
- [Qemu-block] [PATCH v6 04/20] block: Switch blk_*write_zeroes() to byte interface, Eric Blake, 2016/05/04
- [Qemu-block] [PATCH v6 05/20] block: Introduce byte-based aio read/write, Eric Blake, 2016/05/04
- [Qemu-block] [PATCH v6 06/20] ide: Switch to byte-based aio block access, Eric Blake, 2016/05/04
- [Qemu-block] [PATCH v6 07/20] scsi-disk: Switch to byte-based aio block access, Eric Blake, 2016/05/04