diff mbox series

[03/11] block: Add build-time assert for size of blk_queue_flag_name[]

Message ID 20240709110538.532896-4-john.g.garry@oracle.com (mailing list archive)
State New, archived
Headers show
Series block debugfs: Catch missing flag array members | expand

Commit Message

John Garry July 9, 2024, 11:05 a.m. UTC 
Assert that we are not missing flag entries in blk_queue_flag_name[].

However, we are not catching mis-ordered flags. This should not be
necessary.

Signed-off-by: John Garry <john.g.garry@oracle.com>
---
 block/blk-mq-debugfs.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 03d0409e5018..9e18ba6b1c4d 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -5,6 +5,7 @@ 
 
 #include <linux/kernel.h>
 #include <linux/blkdev.h>
+#include <linux/build_bug.h>
 #include <linux/debugfs.h>
 
 #include "blk.h"
@@ -99,6 +100,7 @@  static int queue_state_show(void *data, struct seq_file *m)
 {
 	struct request_queue *q = data;
 
+	BUILD_BUG_ON(ARRAY_SIZE(blk_queue_flag_name) != QUEUE_FLAG_MAX);
 	blk_flags_show(m, q->queue_flags, blk_queue_flag_name,
 		       ARRAY_SIZE(blk_queue_flag_name));
 	seq_puts(m, "\n");