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block: Mark bdrv_co_create() and callers GRAPH_RDLOCK

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This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_co_create() need to hold a reader lock for the graph.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230203152202.49054-17-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2023-02-03 16:21:55 +01:00
parent 7b9e8b22bc
commit 4ec8df0183
16 changed files with 84 additions and 90 deletions
Download patch file Download diff file Expand all files Collapse all files

14
include/block/block-global-state.h
View file

@ -58,13 +58,15 @@ BlockDriver *bdrv_find_protocol(const char *filename,
Error **errp);
BlockDriver *bdrv_find_format(const char *format_name);
int coroutine_fn bdrv_co_create(BlockDriver *drv, const char *filename,
QemuOpts *opts, Error **errp);
int co_wrapper bdrv_create(BlockDriver *drv, const char *filename,
QemuOpts *opts, Error **errp);
int coroutine_fn GRAPH_RDLOCK
bdrv_co_create(BlockDriver *drv, const char *filename, QemuOpts *opts,
Error **errp);
int coroutine_fn bdrv_co_create_file(const char *filename, QemuOpts *opts,
Error **errp);
int co_wrapper_bdrv_rdlock bdrv_create(BlockDriver *drv, const char *filename,
QemuOpts *opts, Error **errp);
int coroutine_fn GRAPH_RDLOCK
bdrv_co_create_file(const char *filename, QemuOpts *opts, Error **errp);
BlockDriverState *bdrv_new(void);
int bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top,

11
include/block/block_int-common.h
View file

@ -246,12 +246,11 @@ struct BlockDriver {
Error **errp);
void (*bdrv_close)(BlockDriverState *bs);
int coroutine_fn (*bdrv_co_create)(BlockdevCreateOptions *opts,
Error **errp);
int coroutine_fn (*bdrv_co_create_opts)(BlockDriver *drv,
const char *filename,
QemuOpts *opts,
Error **errp);
int coroutine_fn GRAPH_RDLOCK_PTR (*bdrv_co_create)(
BlockdevCreateOptions *opts, Error **errp);
int coroutine_fn GRAPH_RDLOCK_PTR (*bdrv_co_create_opts)(
BlockDriver *drv, const char *filename, QemuOpts *opts, Error **errp);
int (*bdrv_amend_options)(BlockDriverState *bs,
QemuOpts *opts,