block/blk-mq-debugfs-zoned.c

   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
   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->seq_zones_wlock)
  15                 return 0;
  16
  17         for (i = 0; i < q->nr_zones; i++)
  18                 if (test_bit(i, q->seq_zones_wlock))
  19                         seq_printf(m, "%u\n", i);
  20
  21         return 0;
  22 }