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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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block/blklogwrites.c
+4 -4
View File
@@ -251,9 +251,9 @@ static int blk_log_writes_open(BlockDriverState *bs, QDict *options, int flags,
ret = 0;
fail_log:
if (ret < 0) {
bdrv_graph_wrlock(NULL);
bdrv_graph_wrlock();
bdrv_unref_child(bs, s->log_file);
bdrv_graph_wrunlock(NULL);
bdrv_graph_wrunlock();
s->log_file = NULL;
}
fail:
@@ -265,10 +265,10 @@ static void blk_log_writes_close(BlockDriverState *bs)
{
BDRVBlkLogWritesState *s = bs->opaque;
bdrv_graph_wrlock(NULL);
bdrv_graph_wrlock();
bdrv_unref_child(bs, s->log_file);
s->log_file = NULL;
bdrv_graph_wrunlock(NULL);
bdrv_graph_wrunlock();
}
static int64_t coroutine_fn GRAPH_RDLOCK