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[Qemu-block] [PATCH v7 0/9] qcow2: cluster space preallocation
From: |
Anton Nefedov |
Subject: |
[Qemu-block] [PATCH v7 0/9] qcow2: cluster space preallocation |
Date: |
Thu, 18 Jan 2018 20:48:58 +0300 |
(used to be 'qcow2: preallocation and COW improvements')
v7: patch 8/9:
- is_zero_cow() function reworked
- blkdbg event added
- write-zeroes errors handled
- iotest 60 fixed properly
v6: http://lists.nongnu.org/archive/html/qemu-devel/2018-01/msg03463.html
Anton Nefedov (9):
mirror: inherit supported write/zero flags
blkverify: set supported write/zero flags
block: introduce BDRV_REQ_ALLOCATE flag
block: treat BDRV_REQ_ALLOCATE as serialising
file-posix: support BDRV_REQ_ALLOCATE
block: support BDRV_REQ_ALLOCATE in passthrough drivers
qcow2: move is_zero() up
qcow2: skip writing zero buffers to empty COW areas
iotest 134: test cluster-misaligned encrypted write
qapi/block-core.json | 4 +-
block/qcow2.h | 6 +++
include/block/block.h | 6 ++-
include/block/block_int.h | 2 +-
block/blkdebug.c | 3 +-
block/blkverify.c | 9 ++++
block/file-posix.c | 8 ++++
block/io.c | 47 ++++++++++++++++-----
block/mirror.c | 5 +++
block/qcow2-cluster.c | 2 +-
block/qcow2.c | 101 ++++++++++++++++++++++++++++++++++++---------
block/raw-format.c | 3 +-
block/trace-events | 1 +
tests/qemu-iotests/060 | 26 +++++++-----
tests/qemu-iotests/060.out | 5 ++-
tests/qemu-iotests/066 | 2 +-
tests/qemu-iotests/066.out | 4 +-
tests/qemu-iotests/134 | 9 ++++
tests/qemu-iotests/134.out | 10 +++++
19 files changed, 202 insertions(+), 51 deletions(-)
--
2.7.4
- [Qemu-block] [PATCH v7 0/9] qcow2: cluster space preallocation,
Anton Nefedov <=
[Qemu-block] [PATCH v7 5/9] file-posix: support BDRV_REQ_ALLOCATE, Anton Nefedov, 2018/01/18
[Qemu-block] [PATCH v7 7/9] qcow2: move is_zero() up, Anton Nefedov, 2018/01/18