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graph-lock: remove AioContext locking

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Stop acquiring/releasing the AioContext lock in
bdrv_graph_wrlock()/bdrv_graph_unlock() since the lock no longer has any
effect.

The distinction between bdrv_graph_wrunlock() and
bdrv_graph_wrunlock_ctx() becomes meaningless and they can be collapsed
into one function.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231205182011.1976568-6-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-12-05 13:20:02 -05:00 • committed by Kevin Wolf
parent b5f4fda4fb
commit 6bc30f1949
20 changed files with 133 additions and 193 deletions
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4
scripts/block-coroutine-wrapper.py
View file

@ -261,8 +261,8 @@ def gen_no_co_wrapper(func: FuncDecl) -> str:
graph_lock=' bdrv_graph_rdlock_main_loop();'
graph_unlock=' bdrv_graph_rdunlock_main_loop();'
elif func.graph_wrlock:
graph_lock=' bdrv_graph_wrlock(NULL);'
graph_unlock=' bdrv_graph_wrunlock(NULL);'
graph_lock=' bdrv_graph_wrlock();'
graph_unlock=' bdrv_graph_wrunlock();'
return f"""\
/*