xref: /linux/block/blk-mq-debugfs-zoned.c (revision d86e716a) 
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2017 Western Digital Corporation or its affiliates.
4  */
5 
6 #include <linux/blkdev.h>
7 #include "blk-mq-debugfs.h"
8 
queue_zone_wlock_show(void * data,struct seq_file * m)9 int queue_zone_wlock_show(void *data, struct seq_file *m)
10 {
11 	struct request_queue *q = data;
12 	unsigned int i;
13 
14 	if (!q->disk->seq_zones_wlock)
15 		return 0;
16 
17 	for (i = 0; i < q->disk->nr_zones; i++)
18 		if (test_bit(i, q->disk->seq_zones_wlock))
19 			seq_printf(m, "%u\n", i);
20 
21 	return 0;
22 }
23