diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2023-09-29 16:51:47 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-10-12 16:31:33 +0200 |
| commit | 4026f1c4f320aa072fa4cd299545cbc97315e246 (patch) | |
| tree | 04e245a6c7399739f81c44f25ac930c236dcdecb /block/backup.c | |
| parent | c0fc5123ad33158f6f289a896b568b9adce7d1f2 (diff) | |
block: Mark bdrv_get_parent_name() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_get_parent_name() need to hold a reader lock for the graph
because it accesses the parents list of a node.
For some places, we know that they will hold the lock, but we don't have
the GRAPH_RDLOCK annotations yet. In this case, add assume_graph_lock()
with a FIXME comment. These places will be removed once everything is
properly annotated.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-13-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/backup.c')
| -rw-r--r-- | block/backup.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/backup.c b/block/backup.c index db3791f4d1..9a3c4bdc82 100644 --- a/block/backup.c +++ b/block/backup.c @@ -374,6 +374,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs, assert(bs); assert(target); GLOBAL_STATE_CODE(); + GRAPH_RDLOCK_GUARD_MAINLOOP(); /* QMP interface protects us from these cases */ assert(sync_mode != MIRROR_SYNC_MODE_INCREMENTAL); |