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Kevin Wolf 78cae78dbc vmdk: Don't update L2 table for zero write on zero cluster 
If a cluster is already zeroed, we don't have to call vmdk_L2update(),
which is rather slow because it flushes the image file.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200430133007.170335-5-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-05-08 13:26:35 +02:00
..
monitor
Use &error_abort instead of separate assert()
2020-03-17 16:05:40 +01:00
accounting.c
block: add empty account cookie type
2019-10-10 10:56:18 +02:00
aio_task.c
block: introduce aio task pool
2019-10-10 10:56:17 +02:00
backup-top.c
block/block-copy: hide structure definitions
2020-03-11 12:42:30 +01:00
backup-top.h
block: introduce backup-top filter driver
2019-10-10 10:56:18 +02:00
backup.c
backup: don't acquire aio_context in backup_clean
2020-04-07 14:34:47 +02:00
blkdebug.c
blkdebug: Allow taking/unsharing permissions
2020-01-06 13:43:06 +01:00
blklogwrites.c
Include qemu/module.h where needed, drop it from qemu-common.h
2019-06-12 13:18:33 +02:00
blkreplay.c
block: implement bdrv_snapshot_goto for blkreplay
2019-10-14 17:12:48 +02:00
blkverify.c
block: Remove bdrv_recurse_is_first_non_filter()
2020-02-18 11:55:40 +01:00
block-backend.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
block-copy.c
block/block-copy: use aio-task-pool API
2020-05-05 14:03:28 +02:00
bochs.c
block: Use QEMU_IS_ALIGNED
2019-09-16 14:48:30 +02:00
cloop.c
block: Use QEMU_IS_ALIGNED
2019-09-16 14:48:30 +02:00
commit.c
block-backend: Add flags to blk_truncate()
2020-04-30 17:51:07 +02:00
copy-on-read.c
block: Remove bdrv_recurse_is_first_non_filter()
2020-02-18 11:55:40 +01:00
create.c
block/create: Do not abort if a block driver is not available
2019-09-13 12:18:37 +02:00
crypto.c
block: luks: better error message when creating too large files
2020-05-07 12:52:33 +01:00
crypto.h
Clean up ill-advised or unusual header guards
2019-05-13 08:58:55 +02:00
curl.c
block/curl: HTTP header field names are case insensitive
2020-03-11 12:42:29 +01:00
dirty-bitmap.c
block/dirty-bitmap: improve _next_dirty_area API
2020-03-18 14:03:46 -04:00
dmg-bz2.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
dmg-lzfse.c
block: adding lzfse decompressing support as a module.
2018-12-14 11:52:40 +01:00
dmg.c
block: Use QEMU_IS_ALIGNED
2019-09-16 14:48:30 +02:00
dmg.h
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
file-posix.c
Compress lines for immediate return
2020-05-04 14:43:22 +02:00
file-win32.c
block: Add flags to BlockDriver.bdrv_co_truncate()
2020-04-30 17:51:07 +02:00
filter-compress.c
block: Remove bdrv_recurse_is_first_non_filter()
2020-02-18 11:55:40 +01:00
gluster.c
block: Add flags to BlockDriver.bdrv_co_truncate()
2020-04-30 17:51:07 +02:00
io_uring.c
block/io_uring: Remove superfluous semicolon
2020-02-18 10:54:02 +01:00
io.c
block: Comment cleanups
2020-05-05 13:17:36 +02:00
iscsi-opts.c
Include qemu/module.h where needed, drop it from qemu-common.h
2019-06-12 13:18:33 +02:00
iscsi.c
lockable: replaced locks with lock guard macros where appropriate
2020-05-04 16:07:43 +01:00
linux-aio.c
misc: Replace zero-length arrays with flexible array member (automatic)
2020-03-16 22:07:42 +01:00
Makefile.objs
monitor/hmp: rename device-hotplug.c to block/monitor/block-hmp-cmds.c
2020-03-09 18:05:31 +00:00
mirror.c
block-backend: Add flags to blk_truncate()
2020-04-30 17:51:07 +02:00
nbd.c
block/nbd-client: drop max_block restriction from discard
2020-05-04 15:16:46 -05:00
nfs.c
trivial patches (20200504)
2020-05-05 14:03:28 +01:00
null.c
replay: add BH oneshot event for block layer
2019-10-14 17:12:48 +02:00
nvme.c
Compress lines for immediate return
2020-05-04 14:43:22 +02:00
parallels.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
parallels.h
Clean up includes
2018-02-09 05:05:11 +01:00
qapi-sysemu.c
block: Move system emulator QMP commands to block/qapi-sysemu.c
2020-03-06 17:15:38 +01:00
qapi.c
block: Fix VM size field width in snapshot dump
2020-02-20 16:43:42 +01:00
qcow2-bitmap.c
block/qcow2-bitmap: use bdrv_dirty_bitmap_next_dirty
2020-03-18 14:03:46 -04:00
qcow2-cache.c
core: replace getpagesize() with qemu_real_host_page_size
2019-10-26 15:38:06 +02:00
qcow2-cluster.c
qcow2: Support BDRV_REQ_ZERO_WRITE for truncate
2020-04-30 17:51:07 +02:00
qcow2-refcount.c
block: Comment cleanups
2020-05-05 13:17:36 +02:00
qcow2-snapshot.c
qcow2: Allow resize of images with internal snapshots
2020-05-05 13:17:36 +02:00
qcow2-threads.c
block/qcow2-threads: fix qcow2_decompress
2020-03-11 12:42:30 +01:00
qcow2.c
qcow2: Avoid integer wraparound in qcow2_co_truncate()
2020-05-08 13:26:35 +02:00
qcow2.h
qcow2: Remove unused fields from BDRVQcow2State
2020-03-27 14:47:23 +01:00
qcow.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
qed-check.c
block/qed: add missed coroutine_fn markers
2019-04-30 15:29:00 +02:00
qed-cluster.c
qed: protect table cache with CoMutex
2017-07-17 11:34:11 +08:00
qed-l2-cache.c
qed: protect table cache with CoMutex
2017-07-17 11:34:11 +08:00
qed-table.c
block/qed: add missed coroutine_fn markers
2019-04-30 15:29:00 +02:00
qed.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
qed.h
block/qed: add missed coroutine_fn markers
2019-04-30 15:29:00 +02:00
quorum.c
quorum: Stop marking it as a filter
2020-02-18 11:55:40 +01:00
raw-format.c
raw-format: Support BDRV_REQ_ZERO_WRITE for truncate
2020-04-30 17:51:07 +02:00
rbd.c
block: Add flags to BlockDriver.bdrv_co_truncate()
2020-04-30 17:51:07 +02:00
replication.c
various: Remove suspicious '\' character outside of #define in C code
2020-04-29 08:01:51 +02:00
sheepdog.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
snapshot.c
block/snapshot: rename Error ** parameter to more common errp
2019-12-18 08:43:19 +01:00
ssh.c
block: Add flags to BlockDriver.bdrv_co_truncate()
2020-04-30 17:51:07 +02:00
stream.c
block/stream: Remove redundant statement in stream_run()
2020-03-09 15:59:31 +01:00
throttle-groups.c
throttle-groups: fix memory leak in throttle_group_set_limit:
2020-01-06 13:43:06 +01:00
throttle.c
block: Remove bdrv_recurse_is_first_non_filter()
2020-02-18 11:55:40 +01:00
trace-events
block/block-copy: use block_status
2020-03-11 12:42:30 +01:00
vdi.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
vhdx-endian.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
vhdx-log.c
block: Add flags to bdrv(_co)_truncate()
2020-04-30 17:51:07 +02:00
vhdx.c
Block patches:
2020-05-05 16:46:37 +01:00
vhdx.h
block/vhdx: Use IEC binary prefixes for size constants
2019-04-30 15:29:00 +02:00
vmdk.c
vmdk: Don't update L2 table for zero write on zero cluster
2020-05-08 13:26:35 +02:00
vpc.c
block: Add blk_new_with_bs() helper
2020-05-05 13:17:36 +02:00
vvfat.c
block: Comment cleanups
2020-05-05 13:17:36 +02:00
vxhs.c
replay: add BH oneshot event for block layer
2019-10-14 17:12:48 +02:00
win32-aio.c
Include qemu/module.h where needed, drop it from qemu-common.h
2019-06-12 13:18:33 +02:00
write-threshold.c
qapi: Drop qapi_event_send_FOO()'s Error ** argument
2018-08-28 18:21:38 +02:00