OpenE2K/qemu-e2k
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8f23aaf5d6
qemu-e2k/block
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Eric Blake 8f23aaf5d6 nfs: Support BDRV_REQ_ZERO_WRITE for truncate 
Our .bdrv_has_zero_init_truncate returns 1 if we detect that the OS
always 0-fills; we can use that same knowledge to implement
BDRV_REQ_ZERO_WRITE by ignoring it when the OS gives it to us for
free.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200428202905.770727-4-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 backup: Make sure that source and target size match 2020-05-08 13:26:35 +02:00
backup-top.h block: introduce backup-top filter driver 2019-10-10 10:56:18 +02:00
backup.c backup: Make sure that source and target size match 2020-05-08 13:26:35 +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 file-win32: Support BDRV_REQ_ZERO_WRITE for truncate 2020-05-08 13:26:35 +02:00
filter-compress.c block: Remove bdrv_recurse_is_first_non_filter() 2020-02-18 11:55:40 +01:00
gluster.c gluster: Drop useless has_zero_init callback 2020-05-08 13:26:35 +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 nfs: Support BDRV_REQ_ZERO_WRITE for truncate 2020-05-08 13:26:35 +02:00
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
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: Fix preallocation on block devices 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-l2-cache.c
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: Flush only once in vmdk_L2update() 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