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block: Classify bdrv_get_flags() as I/O function

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This function is safe to call in an I/O context, and qcow2_do_open()
does so (invoked in an I/O context by qcow2_co_invalidate_cache()).

Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220427114057.36651-2-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Hanna Reitz 2022-04-27 13:40:54 +02:00 committed by Kevin Wolf
parent a81d8d4a72
commit 15aee7ac95
3 changed files with 2 additions and 2 deletions
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2
block.c
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@ -6298,7 +6298,7 @@ const char *bdrv_get_device_or_node_name(const BlockDriverState *bs)
int bdrv_get_flags(BlockDriverState *bs)
{
GLOBAL_STATE_CODE();
IO_CODE();
return bs->open_flags;
}

1
include/block/block-global-state.h
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@ -172,7 +172,6 @@ void bdrv_next_cleanup(BdrvNextIterator *it);
BlockDriverState *bdrv_next_monitor_owned(BlockDriverState *bs);
void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
void *opaque, bool read_only);
int bdrv_get_flags(BlockDriverState *bs);
char *bdrv_get_full_backing_filename(BlockDriverState *bs, Error **errp);
char *bdrv_dirname(BlockDriverState *bs, Error **errp);

1
include/block/block-io.h
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@ -103,6 +103,7 @@ int bdrv_apply_auto_read_only(BlockDriverState *bs, const char *errmsg,
bool bdrv_is_read_only(BlockDriverState *bs);
bool bdrv_is_writable(BlockDriverState *bs);
bool bdrv_is_sg(BlockDriverState *bs);
int bdrv_get_flags(BlockDriverState *bs);
bool bdrv_is_inserted(BlockDriverState *bs);
void bdrv_lock_medium(BlockDriverState *bs, bool locked);
void bdrv_eject(BlockDriverState *bs, bool eject_flag);