[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-block] [PATCH v2 00/17] Byte-based block limits
From: |
Eric Blake |
Subject: |
[Qemu-block] [PATCH v2 00/17] Byte-based block limits |
Date: |
Tue, 14 Jun 2016 15:30:22 -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: Kevin's ongoing work to migrate bdrv_aligned_preadv()
to be byte-based (commit 3de06b2 on his vmstate branch at the
time of this email, but that gets rebased):
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg02832.html
Trivial contextual conflict in nbd.h with the pull request Paolo
will soon be posting (both series add a #define near the same
line; resolution is to add both):
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg03333.html
Also available as a tag at:
git fetch git://repo.or.cz/qemu/ericb.git nbd-limits-v2
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
001/17:[down] 'block: Tighter assertions on bdrv_aligned_pwritev()'
002/17:[down] 'block: Document supported flags during bdrv_aligned_preadv()'
003/17:[down] 'block: Fix harmless off-by-one in bdrv_aligned_preadv()'
004/17:[down] 'nbd: Allow larger requests'
005/17:[down] 'nbd: Advertise realistic limits to block layer'
006/17:[down] 'iscsi: Advertise realistic limits to block layer'
007/17:[down] 'block: Give nonzero result to blk_get_max_transfer_length()'
008/17:[down] 'blkdebug: Set request_alignment during .bdrv_refresh_limits()'
009/17:[down] 'iscsi: Set request_alignment during .bdrv_refresh_limits()'
010/17:[down] 'qcow2: Set request_alignment during .bdrv_refresh_limits()'
011/17:[down] 'raw-win32: Set request_alignment during .bdrv_refresh_limits()'
012/17:[down] 'block: Set request_alignment during .bdrv_refresh_limits()'
013/17:[down] 'block: Set default request_alignment during
bdrv_refresh_limits()'
014/17:[0061] [FC] 'block: Switch transfer length bounds to byte-based'
015/17:[0008] [FC] 'block: Switch discard length bounds to byte-based'
016/17:[down] 'block: Split bdrv_merge_limits() from bdrv_refresh_limits()'
017/17:[0044] [FC] 'block: Move request_alignment into BlockLimit'
Eric Blake (17):
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
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: Switch discard length bounds to byte-based
block: Split bdrv_merge_limits() from bdrv_refresh_limits()
block: Move request_alignment into BlockLimit
include/block/block.h | 1 +
include/block/block_int.h | 48 ++++++++++++++-------
include/block/nbd.h | 1 +
include/qemu/typedefs.h | 1 +
include/sysemu/block-backend.h | 2 +-
block.c | 3 +-
block/blkdebug.c | 18 ++++++--
block/block-backend.c | 9 ++--
block/bochs.c | 7 ++-
block/cloop.c | 7 ++-
block/dmg.c | 7 ++-
block/io.c | 96 +++++++++++++++++++++++-------------------
block/iscsi.c | 40 +++++++++---------
block/nbd-client.c | 4 --
block/nbd.c | 4 +-
block/qcow2.c | 7 +--
block/raw-posix.c | 19 +++++----
block/raw-win32.c | 10 ++---
block/raw_bsd.c | 4 +-
block/vvfat.c | 7 ++-
hw/block/virtio-blk.c | 10 ++---
hw/scsi/scsi-generic.c | 15 ++++---
qemu-img.c | 9 ++--
23 files changed, 195 insertions(+), 134 deletions(-)
--
2.5.5
- [Qemu-block] [PATCH v2 00/17] Byte-based block limits,
Eric Blake <=