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  * This file is released under the GPL.
   6  */
   7
   8 #include <linux/blkdev.h>
   9 #include "blk-mq-debugfs.h"
  10
  11 int queue_zone_wlock_show(void *data, struct seq_file *m)
  12 {
  13         struct request_queue *q = data;
  14         unsigned int i;
  15
  16         if (!q->seq_zones_wlock)
  17                 return 0;
  18
  19         for (i = 0; i < q->nr_zones; i++)
  20                 if (test_bit(i, q->seq_zones_wlock))
  21                         seq_printf(m, "%u\n", i);
  22
  23         return 0;
  24 }