From 6fa99325ec86bcd442363d77561a1babd8d9a427 Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 19 Jul 2024 11:29:09 +0000 Subject: block: Catch possible entries missing from cmd_flag_name[] Add a BUILD_BUG_ON() call to ensure that we are not missing entries in cmd_flag_name[]. Reviewed-by: Bart Van Assche Signed-off-by: John Garry Link: https://lore.kernel.org/r/20240719112912.3830443-13-john.g.garry@oracle.com Signed-off-by: Jens Axboe --- block/blk-mq-debugfs.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'block/blk-mq-debugfs.c') diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 312e8a40caad..a4accd79c225 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -281,6 +281,8 @@ int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq) const enum req_op op = req_op(rq); const char *op_str = blk_op_str(op); + BUILD_BUG_ON(ARRAY_SIZE(cmd_flag_name) != __REQ_NR_BITS); + seq_printf(m, "%p {.op=", rq); if (strcmp(op_str, "UNKNOWN") == 0) seq_printf(m, "%u", op); -- cgit