Re: [PATCH 20/21] block: Mark bdrv_unref_child() GRAPH_WRLOCK

2023-08-22 Thread Stefan Hajnoczi
On Thu, Aug 17, 2023 at 02:50:19PM +0200, Kevin Wolf wrote: > Instead of taking the writer lock internally, require callers to already > hold it when calling bdrv_unref_child(). These callers will typically > already hold the graph lock once the locking work is completed, which > means that they

Re: [PATCH 20/21] block: Mark bdrv_unref_child() GRAPH_WRLOCK

2023-08-21 Thread Emanuele Giuseppe Esposito
Am 17/08/2023 um 14:50 schrieb Kevin Wolf: > Instead of taking the writer lock internally, require callers to already > hold it when calling bdrv_unref_child(). These callers will typically > already hold the graph lock once the locking work is completed, which > means that they can't call

[PATCH 20/21] block: Mark bdrv_unref_child() GRAPH_WRLOCK

2023-08-17 Thread Kevin Wolf
Instead of taking the writer lock internally, require callers to already hold it when calling bdrv_unref_child(). These callers will typically already hold the graph lock once the locking work is completed, which means that they can't call functions that take it internally. Signed-off-by: Kevin