diff options
author | Kevin Wolf <kwolf@redhat.com> | 2023-10-27 17:53:15 +0200 |
---|---|---|
committer | Kevin Wolf <kwolf@redhat.com> | 2023-11-07 19:14:19 +0100 |
commit | 372b69f503d47eb6619a98cac2ab5a6a569e3483 (patch) | |
tree | d6b6e92cccbe36366c7b240f1604df40eff16133 /blockdev.c | |
parent | f3bbc53dc56c5d410f76442da6ad15ec8f9439fc (diff) |
block: Mark bdrv_filter_or_cow_bs() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_filter_or_cow_bs() need to hold a reader lock for the graph because
it calls bdrv_filter_or_cow_child(), which accesses bs->file/backing.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231027155333.420094-7-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'blockdev.c')
-rw-r--r-- | blockdev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/blockdev.c b/blockdev.c index 148df99e00..4cb8e1d91a 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2501,8 +2501,8 @@ void qmp_block_stream(const char *job_id, const char *device, /* * Check for op blockers in the whole chain between bs and base (or bottom) */ - iter_end = bottom ? bdrv_filter_or_cow_bs(bottom_bs) : base_bs; bdrv_graph_rdlock_main_loop(); + iter_end = bottom ? bdrv_filter_or_cow_bs(bottom_bs) : base_bs; for (iter = bs; iter && iter != iter_end; iter = bdrv_filter_or_cow_bs(iter)) { |