aboutsummaryrefslogtreecommitdiff
path: root/block/monitor
diff options
context:
space:
mode:
authorKevin Wolf <kwolf@redhat.com>2023-09-29 16:51:52 +0200
committerKevin Wolf <kwolf@redhat.com>2023-10-12 16:31:33 +0200
commit277f2007ce187a6ff467579cb016824f80a2be10 (patch)
tree9e9a3b9921ce129649723140e17262c659f51ab0 /block/monitor
parent5155853e90388d9c8c5370bcbe1b6484a92ee710 (diff)
block: Mark bdrv_op_is_blocked() and callers GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of bdrv_op_is_blocked() need to hold a reader lock for the graph because it calls bdrv_get_device_or_node_name(), which accesses the parents list of a node. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-ID: <20230929145157.45443-18-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/monitor')
-rw-r--r--block/monitor/block-hmp-cmds.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
index 6b7d7dd072..7645c7e5fb 100644
--- a/block/monitor/block-hmp-cmds.c
+++ b/block/monitor/block-hmp-cmds.c
@@ -144,6 +144,9 @@ void hmp_drive_del(Monitor *mon, const QDict *qdict)
AioContext *aio_context;
Error *local_err = NULL;
+ GLOBAL_STATE_CODE();
+ GRAPH_RDLOCK_GUARD_MAINLOOP();
+
bs = bdrv_find_node(id);
if (bs) {
qmp_blockdev_del(id, &local_err);