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| author | Kevin Wolf <kwolf@redhat.com> | 2023-10-27 17:53:26 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-11-08 17:56:17 +0100 |
| commit | 004915a96a7a40e942ac85e6d22518cbcd283506 (patch) | |
| tree | f664b5576e09107b86228b8b6fa340f74c907677 /include | |
| parent | ccd6a37947574707613e826e2bf04d55f1d5f238 (diff) | |
| download | focaccia-qemu-004915a96a7a40e942ac85e6d22518cbcd283506.tar.gz focaccia-qemu-004915a96a7a40e942ac85e6d22518cbcd283506.zip | |
block: Protect bs->backing with graph_lock
Almost all functions that access bs->backing 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: <20231027155333.420094-18-kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block_int-common.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h index c0db862de7..ed6066929a 100644 --- a/include/block/block_int-common.h +++ b/include/block/block_int-common.h @@ -1178,7 +1178,7 @@ struct BlockDriverState { * are connected with BdrvChildRole. */ QLIST_HEAD(, BdrvChild GRAPH_RDLOCK_PTR) children; - BdrvChild *backing; + BdrvChild * GRAPH_RDLOCK_PTR backing; BdrvChild *file; QLIST_HEAD(, BdrvChild GRAPH_RDLOCK_PTR) parents; |