the-tree/block/blk-mq-debugfs-zoned.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Copyright (C) 2017 Western Digital Corporation or its affiliates.
0004  */
0005
0006 #include <linux/blkdev.h>
0007 #include "blk-mq-debugfs.h"
0008
0009 int queue_zone_wlock_show(void *data, struct seq_file *m)
0010 {
0011     struct request_queue *q = data;
0012     unsigned int i;
0013
0014     if (!q->disk->seq_zones_wlock)
0015         return 0;
0016
0017     for (i = 0; i < q->disk->nr_zones; i++)
0018         if (test_bit(i, q->disk->seq_zones_wlock))
0019             seq_printf(m, "%u\n", i);
0020
0021     return 0;
0022 }