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block: mark bdrv_inactivate() as GRAPH_RDLOCK and move drain to callers

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The function bdrv_inactivate() calls bdrv_drain_all_begin(), which
needs to be called with the graph unlocked, so either
bdrv_inactivate() should be marked as GRAPH_UNLOCKED or the drain
needs to be moved to the callers. The caller in
qmp_blockdev_set_active() requires that the locked section covers
bdrv_find_node() too, so the latter alternative is chosen.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250530151125.955508-36-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
2025-07-14 15:42:07 +02:00
committed by Kevin Wolf
parent 6717dc3075
commit e2d9cc5790
3 changed files with 51 additions and 40 deletions
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include/block/block-global-state.h
+1 -1
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@@ -183,7 +183,7 @@ bdrv_activate(BlockDriverState *bs, Error **errp);
int coroutine_fn no_co_wrapper_bdrv_rdlock
bdrv_co_activate(BlockDriverState *bs, Error **errp);
int no_coroutine_fn
int no_coroutine_fn GRAPH_RDLOCK
bdrv_inactivate(BlockDriverState *bs, Error **errp);
void bdrv_activate_all(Error **errp);