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[Qemu-block] [PATCH v3 00/22] Byte-based block limits
From: |
Eric Blake |
Subject: |
[Qemu-block] [PATCH v3 00/22] Byte-based block limits |
Date: |
Thu, 23 Jun 2016 16:37:04 -0600 |
BlockLimits is currently an ugly mix of byte limits vs.
sector limits. Unify it. Fix some bugs I found in
bdrv_aligned_preadv() while at it.
Prequisite: none (built on Kevin's block branch, which is currently
merged into master)
Also available as a tag at:
git fetch git://repo.or.cz/qemu/ericb.git nbd-limits-v3
Since v2:
- address review comments, add R-b on uncontested patches
- split a couple of patches that did too much at once
- add a couple of new patches at the end for things I noticed
during cleanups
- see individual patches for more details
001/22:[----] [--] 'block: Tighter assertions on bdrv_aligned_pwritev()'
002/22:[----] [--] 'block: Document supported flags during
bdrv_aligned_preadv()'
003/22:[----] [--] 'block: Fix harmless off-by-one in bdrv_aligned_preadv()'
004/22:[0001] [FC] 'nbd: Allow larger requests'
005/22:[----] [--] 'nbd: Advertise realistic limits to block layer'
006/22:[----] [--] 'iscsi: Advertise realistic limits to block layer'
007/22:[down] 'scsi: Advertise limits by blocksize, not 512'
008/22:[----] [-C] 'block: Give nonzero result to blk_get_max_transfer_length()'
009/22:[0010] [FC] 'blkdebug: Set request_alignment during
.bdrv_refresh_limits()'
010/22:[----] [--] 'iscsi: Set request_alignment during .bdrv_refresh_limits()'
011/22:[----] [--] 'qcow2: Set request_alignment during .bdrv_refresh_limits()'
012/22:[----] [--] 'raw-win32: Set request_alignment during
.bdrv_refresh_limits()'
013/22:[----] [--] 'block: Set request_alignment during .bdrv_refresh_limits()'
014/22:[----] [--] 'block: Set default request_alignment during
bdrv_refresh_limits()'
015/22:[0017] [FC] 'block: Switch transfer length bounds to byte-based'
016/22:[down] 'block: Wording tweaks to write zeroes limits'
017/22:[0007] [FC] 'block: Switch discard length bounds to byte-based'
018/22:[down] 'block: Drop raw_refresh_limits()'
019/22:[0012] [FC] 'block: Split bdrv_merge_limits() from bdrv_refresh_limits()'
020/22:[0006] [FC] 'block: Move request_alignment into BlockLimit'
021/22:[down] 'block: Fix error message style'
022/22:[down] 'block: Use bool as appropriate for BDS members'
Since v1:
- drop things already done in Kevin's work
- rebase
- split out lots of cleanup work to bdrv_refresh_limits() so
that qemu-iotests does not gain any problems on 77
Eric Blake (22):
block: Tighter assertions on bdrv_aligned_pwritev()
block: Document supported flags during bdrv_aligned_preadv()
block: Fix harmless off-by-one in bdrv_aligned_preadv()
nbd: Allow larger requests
nbd: Advertise realistic limits to block layer
iscsi: Advertise realistic limits to block layer
scsi: Advertise limits by blocksize, not 512
block: Give nonzero result to blk_get_max_transfer_length()
blkdebug: Set request_alignment during .bdrv_refresh_limits()
iscsi: Set request_alignment during .bdrv_refresh_limits()
qcow2: Set request_alignment during .bdrv_refresh_limits()
raw-win32: Set request_alignment during .bdrv_refresh_limits()
block: Set request_alignment during .bdrv_refresh_limits()
block: Set default request_alignment during bdrv_refresh_limits()
block: Switch transfer length bounds to byte-based
block: Wording tweaks to write zeroes limits
block: Switch discard length bounds to byte-based
block: Drop raw_refresh_limits()
block: Split bdrv_merge_limits() from bdrv_refresh_limits()
block: Move request_alignment into BlockLimit
block: Fix error message style
block: Use bool as appropriate for BDS members
qapi/block-core.json | 3 +-
include/block/block.h | 8 ++--
include/block/block_int.h | 57 +++++++++++++++---------
include/block/nbd.h | 2 +
include/sysemu/block-backend.h | 2 +-
block.c | 25 ++++++-----
block/blkdebug.c | 19 ++++++--
block/block-backend.c | 9 ++--
block/bochs.c | 9 +++-
block/cloop.c | 9 +++-
block/crypto.c | 4 +-
block/dmg.c | 9 +++-
block/io.c | 98 +++++++++++++++++++++++-------------------
block/iscsi.c | 45 ++++++++++---------
block/nbd-client.c | 4 --
block/nbd.c | 4 +-
block/qcow.c | 2 +-
block/qcow2.c | 9 ++--
block/raw-posix.c | 24 +++++------
block/raw-win32.c | 10 ++---
block/raw_bsd.c | 8 +---
block/vvfat.c | 11 +++--
hw/block/virtio-blk.c | 10 ++---
hw/scsi/scsi-generic.c | 15 ++++---
qemu-img.c | 9 ++--
25 files changed, 231 insertions(+), 174 deletions(-)
--
2.5.5
- [Qemu-block] [PATCH v3 00/22] Byte-based block limits,
Eric Blake <=
- [Qemu-block] [PATCH v3 06/22] iscsi: Advertise realistic limits to block layer, Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 04/22] nbd: Allow larger requests, Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 09/22] blkdebug: Set request_alignment during .bdrv_refresh_limits(), Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 10/22] iscsi: Set request_alignment during .bdrv_refresh_limits(), Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 08/22] block: Give nonzero result to blk_get_max_transfer_length(), Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 05/22] nbd: Advertise realistic limits to block layer, Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 01/22] block: Tighter assertions on bdrv_aligned_pwritev(), Eric Blake, 2016/06/23
- [Qemu-block] [PATCH v3 02/22] block: Document supported flags during bdrv_aligned_preadv(), Eric Blake, 2016/06/23