diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2023-10-27 17:53:33 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-11-08 17:56:18 +0100 |
| commit | 1f051dcbdf2e4b6f518db731c84e304b2b9d15ce (patch) | |
| tree | c96479cc14a8cc90443bc4f7fe46afbfa76a4006 /block/copy-before-write.c | |
| parent | a4b740db5ee3db0d5b76a6ea9895875763453187 (diff) | |
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>
Diffstat (limited to 'block/copy-before-write.c')
| -rw-r--r-- | block/copy-before-write.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/copy-before-write.c b/block/copy-before-write.c index ad3b73cc4a..13972879b1 100644 --- a/block/copy-before-write.c +++ b/block/copy-before-write.c @@ -203,7 +203,7 @@ static int coroutine_fn GRAPH_RDLOCK cbw_co_flush(BlockDriverState *bs) * It's guaranteed that guest writes will not interact in the region until * cbw_snapshot_read_unlock() called. */ -static coroutine_fn BlockReq * +static BlockReq * coroutine_fn GRAPH_RDLOCK cbw_snapshot_read_lock(BlockDriverState *bs, int64_t offset, int64_t bytes, int64_t *pnum, BdrvChild **file) { |