diff options
Diffstat (limited to 'block/blk-mq-debugfs-zoned.c')
-rw-r--r-- | block/blk-mq-debugfs-zoned.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs-zoned.c b/block/blk-mq-debugfs-zoned.c new file mode 100644 index 000000000..a77b099c3 --- /dev/null +++ b/block/blk-mq-debugfs-zoned.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2017 Western Digital Corporation or its affiliates. + */ + +#include <linux/blkdev.h> +#include "blk-mq-debugfs.h" + +int queue_zone_wlock_show(void *data, struct seq_file *m) +{ + struct request_queue *q = data; + unsigned int i; + + if (!q->disk->seq_zones_wlock) + return 0; + + for (i = 0; i < q->disk->nr_zones; i++) + if (test_bit(i, q->disk->seq_zones_wlock)) + seq_printf(m, "%u\n", i); + + return 0; +} |