diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq-debugfs.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 9547569aa619..bd21d5b9f65f 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -206,11 +206,27 @@ static ssize_t queue_write_hint_store(void *data, const char __user *buf, return count; } +static int queue_zone_wlock_show(void *data, struct seq_file *m) +{ + struct request_queue *q = data; + unsigned int i; + + if (!q->seq_zones_wlock) + return 0; + + for (i = 0; i < blk_queue_nr_zones(q); i++) + if (test_bit(i, q->seq_zones_wlock)) + seq_printf(m, "%u\n", i); + + return 0; +} + static const struct blk_mq_debugfs_attr blk_mq_debugfs_queue_attrs[] = { { "poll_stat", 0400, queue_poll_stat_show }, { "requeue_list", 0400, .seq_ops = &queue_requeue_list_seq_ops }, { "state", 0600, queue_state_show, queue_state_write }, { "write_hints", 0600, queue_write_hint_show, queue_write_hint_store }, + { "zone_wlock", 0400, queue_zone_wlock_show, NULL }, { }, }; |