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block: mark bdrv_drained_begin() and friends as GRAPH_UNLOCKED

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All of bdrv_drain_all_begin(), bdrv_drain_all() and
bdrv_drained_begin() poll and are not allowed to be called with the
block graph lock held. Mark the function as such.

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250530151125.955508-20-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fiona Ebner 2025-05-30 17:10:56 +02:00 • committed by Kevin Wolf
parent 195a8a946a
commit fc1d2f3eac
2 changed files with 3 additions and 3 deletions
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4
include/block/block-global-state.h
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@ -192,10 +192,10 @@ int bdrv_inactivate_all(void);
int bdrv_flush_all(void);
void bdrv_close_all(void);
void bdrv_drain_all_begin(void);
void GRAPH_UNLOCKED bdrv_drain_all_begin(void);
void bdrv_drain_all_begin_nopoll(void);
void bdrv_drain_all_end(void);
void bdrv_drain_all(void);
void GRAPH_UNLOCKED bdrv_drain_all(void);
void bdrv_aio_cancel(BlockAIOCB *acb);

2
include/block/block-io.h
View file

@ -431,7 +431,7 @@ bdrv_drain_poll(BlockDriverState *bs, BdrvChild *ignore_parent,
*
* This function can be recursive.
*/
void bdrv_drained_begin(BlockDriverState *bs);
void GRAPH_UNLOCKED bdrv_drained_begin(BlockDriverState *bs);
/**
* bdrv_do_drained_begin_quiesce: