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Andrey Shinkevich 897dd0ec4f block: include supported_read_flags into BDS structure 
Add the new member supported_read_flags to the BlockDriverState
structure. It will control the flags set for copy-on-read operations.
Make the block generic layer evaluate supported read flags before they
go to a block driver.

Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
 [vsementsov: use assert instead of abort]
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20201216061703.70908-8-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2021-01-26 14:36:37 +01:00
..
export
fuse: Implement hole detection through lseek
2020-12-11 17:52:40 +01:00
monitor
qapi: add filter-node-name to block-stream
2021-01-26 11:26:54 +01:00
accounting.c
block/accounting: Use lock guard macros
2020-12-11 17:52:39 +01:00
aio_task.c
…
amend.c
…
backup-top.c
block: Inline bdrv_co_block_status_from_*()
2020-09-07 12:31:31 +02:00
backup-top.h
…
backup.c
backup: Deal with filters
2020-09-07 12:31:31 +02:00
blkdebug.c
block: Fix some code style problems, "foo* bar" should be "foo *bar"
2020-11-09 18:42:47 +01:00
blklogwrites.c
block: Inline bdrv_co_block_status_from_*()
2020-09-07 12:31:31 +02:00
blkreplay.c
…
blkverify.c
…
block-backend.c
qemu/atomic.h: rename atomic_ to qatomic_
2020-09-23 16:07:44 +01:00
block-copy.c
block-copy: Use CAF to find sync=top base
2020-09-07 12:31:31 +02:00
block-gen.h
scripts: add block-coroutine-wrapper.py
2020-10-05 10:59:06 +01:00
bochs.c
…
cloop.c
…
commit.c
block: Return depth level during bdrv_is_allocated_above
2020-10-30 15:21:23 -05:00
copy-on-read.c
qapi: copy-on-read filter: add 'bottom' option
2021-01-26 11:26:54 +01:00
copy-on-read.h
copy-on-read: add filter drop function
2021-01-26 11:26:54 +01:00
coroutines.h
block: Return depth level during bdrv_is_allocated_above
2020-10-30 15:21:23 -05:00
create.c
…
crypto.c
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
crypto.h
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
curl.c
curl: remove compatibility code, require 7.29.0
2021-01-02 21:03:37 +01:00
dirty-bitmap.c
…
dmg-bz2.c
…
dmg-lzfse.c
block: Remove unused include
2020-11-09 15:44:21 +01:00
dmg.c
block: Fix some code style problems, "foo* bar" should be "foo *bar"
2020-11-09 18:42:47 +01:00
dmg.h
…
file-posix.c
block: bdrv_mark_request_serialising: split non-waiting function
2020-12-18 12:35:55 +01:00
file-win32.c
block/file: switch to use qemu_open/qemu_create for improved errors
2020-09-16 10:33:48 +01:00
filter-compress.c
block: Inline bdrv_co_block_status_from_*()
2020-09-07 12:31:31 +02:00
gluster.c
qapi: Use QAPI_LIST_PREPEND() where possible
2020-12-19 10:20:14 +01:00
io_uring.c
io_uring: do not use pointer after free
2020-11-17 12:26:48 +01:00
io.c
block: include supported_read_flags into BDS structure
2021-01-26 14:36:37 +01:00
iscsi-opts.c
…
iscsi.c
Remove superfluous timer_del() calls
2021-01-08 15:13:38 +00:00
linux-aio.c
…
meson.build
meson: Propagate gnutls dependency
2021-01-12 12:38:03 +01:00
mirror.c
block: Return depth level during bdrv_is_allocated_above
2020-10-30 15:21:23 -05:00
nbd.c
block/nbd.c: Add yank feature
2021-01-13 10:21:17 +01:00
nfs.c
block/nfs: fix int overflow in nfs_client_open_qdict
2020-12-18 11:48:39 +01:00
null.c
block/null: Implement bdrv_get_allocated_file_size
2020-09-07 12:31:31 +02:00
nvme.c
block/nvme: Implement fake truncate() coroutine
2020-12-18 12:35:55 +01:00
parallels.c
…
parallels.h
…
preallocate.c
block: introduce preallocate filter
2020-12-18 12:35:55 +01:00
qapi-sysemu.c
…
qapi.c
qapi: Use QAPI_LIST_PREPEND() where possible
2020-12-19 10:20:14 +01:00
qcow2-bitmap.c
qcow2: Use macros for the L1, refcount and bitmap table entry sizes
2020-09-15 11:05:12 +02:00
qcow2-cache.c
…
qcow2-cluster.c
qcow2: Fix corruption on write_zeroes with MAY_UNMAP
2020-11-24 11:29:41 +01:00
qcow2-refcount.c
qcow2: Make qcow2_free_any_clusters() free only one cluster
2020-09-15 11:05:13 +02:00
qcow2-snapshot.c
migration: introduce icount field for snapshots
2020-10-06 08:34:49 +02:00
qcow2-threads.c
…
qcow2.c
Remove superfluous timer_del() calls
2021-01-08 15:13:38 +00:00
qcow2.h
block: Fix some code style problems, "foo* bar" should be "foo *bar"
2020-11-09 18:42:47 +01:00
qcow.c
block/qcow: remove runtime opts
2020-09-15 11:05:13 +02:00
qed-check.c
…
qed-cluster.c
…
qed-l2-cache.c
…
qed-table.c
…
qed.c
…
qed.h
…
quorum.c
quorum: Implement bdrv_co_pwrite_zeroes()
2020-12-18 12:35:55 +01:00
raw-format.c
…
rbd.c
qobject: Change qobject_to_json()'s value to GString
2020-12-19 10:38:43 +01:00
replication.c
…
sheepdog.c
block: deprecate the sheepdog block driver
2020-10-15 16:06:28 +02:00
snapshot.c
block/snapshot: Fix fallback
2020-09-07 12:31:31 +02:00
ssh.c
…
stream.c
qapi: add filter-node-name to block-stream
2021-01-26 11:26:54 +01:00
throttle-groups.c
block/throttle-groups: Use lock guard macros
2020-12-11 17:52:39 +01:00
throttle.c
qemu/atomic.h: rename atomic_ to qatomic_
2020-09-23 16:07:44 +01:00
trace-events
block/nvme: Use unsigned integer for queue counter/size
2020-11-03 19:06:21 +00:00
trace.h
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vdi.c
…
vhdx-endian.c
…
vhdx-log.c
…
vhdx.c
block/vhdx: Support vhdx image only with 512 bytes logical sector size
2020-09-15 11:05:13 +02:00
vhdx.h
…
vmdk.c
vmdk: fix maybe uninitialized warnings
2020-10-13 13:33:45 +02:00
vpc.c
block/vpc: Use sizeof() instead of HEADER_SIZE for footer size
2020-12-18 12:43:30 +01:00
vvfat.c
block/vvfat: Fix bad printf format specifiers
2020-11-03 16:24:56 +01:00
win32-aio.c
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write-threshold.c
…