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| author | Kevin Wolf <kwolf@redhat.com> | 2023-09-29 16:51:56 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-10-12 16:31:33 +0200 |
| commit | 680e0cc40c5830ebcbfa0bce99bf932e1a4cf6c6 (patch) | |
| tree | 25d4599f69d96706708243a273e1a4f37124075e /tests | |
| parent | b59b466071391cb76b39584e1558be2d0797c054 (diff) | |
| download | qemu-680e0cc40c5830ebcbfa0bce99bf932e1a4cf6c6.zip qemu-680e0cc40c5830ebcbfa0bce99bf932e1a4cf6c6.tar.gz qemu-680e0cc40c5830ebcbfa0bce99bf932e1a4cf6c6.tar.bz2 | |
block: Protect bs->children with graph_lock
Almost all functions that access the child links already take the graph
lock now. Add locking to the remaining users and finally annotate the
struct field itself as protected by the graph lock.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-22-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/unit/test-bdrv-drain.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/unit/test-bdrv-drain.c b/tests/unit/test-bdrv-drain.c index d734829..f67e9df 100644 --- a/tests/unit/test-bdrv-drain.c +++ b/tests/unit/test-bdrv-drain.c @@ -1034,9 +1034,13 @@ static void coroutine_fn test_co_delete_by_drain(void *opaque) blk_co_unref(blk); } else { BdrvChild *c, *next_c; + bdrv_graph_co_rdlock(); QLIST_FOREACH_SAFE(c, &bs->children, next, next_c) { + bdrv_graph_co_rdunlock(); bdrv_co_unref_child(bs, c); + bdrv_graph_co_rdlock(); } + bdrv_graph_co_rdunlock(); } dbdd->done = true; |