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Pull request

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v3:
 - Drop UFS emulation due to CI failures
 - Add "aio-posix: zero out io_uring sqe user_data"
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

v3:
- Drop UFS emulation due to CI failures
- Add "aio-posix: zero out io_uring sqe user_data"

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# gpg: Signature made Wed 30 Aug 2023 07:48:17 EDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  aio-posix: zero out io_uring sqe user_data
  tests/qemu-iotests/197: add testcase for CoR with subclusters
  block/io: align requests to subcluster_size
  block: add subcluster_size field to BlockDriverInfo
  block-migration: Ensure we don't crash during migration cleanup

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-08-30 09:20:27 -04:00
commit 156618d9ea
10 changed files with 110 additions and 35 deletions
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5
include/block/block-common.h
View file

@ -132,6 +132,11 @@ typedef struct BlockZoneWps {
typedef struct BlockDriverInfo {
/* in bytes, 0 if irrelevant */
int cluster_size;
/*
* A fraction of cluster_size, if supported (currently QCOW2 only); if
* disabled or unsupported, set equal to cluster_size.
*/
int subcluster_size;
/* offset at which the VM state can be saved (0 if not possible) */
int64_t vm_state_offset;
bool is_dirty;

8
include/block/block-io.h
View file

@ -189,10 +189,10 @@ bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
ImageInfoSpecific *bdrv_get_specific_info(BlockDriverState *bs,
Error **errp);
BlockStatsSpecific *bdrv_get_specific_stats(BlockDriverState *bs);
void bdrv_round_to_clusters(BlockDriverState *bs,
int64_t offset, int64_t bytes,
int64_t *cluster_offset,
int64_t *cluster_bytes);
void bdrv_round_to_subclusters(BlockDriverState *bs,
int64_t offset, int64_t bytes,
int64_t *cluster_offset,
int64_t *cluster_bytes);
void bdrv_get_backing_filename(BlockDriverState *bs,
char *filename, int filename_size);