commit 1f051dcbdf2e4b6f518db731c84e304b2b9d15ce
author Kevin Wolf <kwolf@redhat.com> Fri Oct 27 17:53:33 2023 +0200
committer Kevin Wolf <kwolf@redhat.com> Wed Nov 08 17:56:18 2023 +0100
tree c96479cc14a8cc90443bc4f7fe46afbfa76a4006
parent a4b740db5ee3db0d5b76a6ea9895875763453187

block: Protect bs->file with graph_lock

Almost all functions that access bs->file 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: <20231027155333.420094-25-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/parallels.h

diff --git a/block/parallels.h b/block/parallels.h
index 6b19944..423b2ad 100644
--- a/block/parallels.h
+++ b/block/parallels.h
@@ -90,7 +90,8 @@
     Error *migration_blocker;
 } BDRVParallelsState;
 
-int parallels_read_format_extension(BlockDriverState *bs,
-                                    int64_t ext_off, Error **errp);
+int GRAPH_RDLOCK
+parallels_read_format_extension(BlockDriverState *bs, int64_t ext_off,
+                                Error **errp);
 
 #endif