diff options
Diffstat (limited to 'block/blk-zoned.c')
| -rw-r--r-- | block/blk-zoned.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/block/blk-zoned.c b/block/blk-zoned.c index a06d7f7a54c7..44699b431ad0 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -1808,17 +1808,34 @@ EXPORT_SYMBOL_GPL(blk_revalidate_disk_zones); #ifdef CONFIG_BLK_DEBUG_FS -int queue_zone_wlock_show(void *data, struct seq_file *m) +int queue_zone_wplugs_show(void *data, struct seq_file *m) { struct request_queue *q = data; - unsigned int i; + struct gendisk *disk = q->disk; + struct blk_zone_wplug *zwplug; + unsigned int zwp_wp_offset, zwp_flags; + unsigned int zwp_zone_no, zwp_ref; + unsigned int zwp_bio_list_size, i; + unsigned long flags; - if (!q->disk->seq_zones_wlock) - return 0; + rcu_read_lock(); + for (i = 0; i < disk_zone_wplugs_hash_size(disk); i++) { + hlist_for_each_entry_rcu(zwplug, + &disk->zone_wplugs_hash[i], node) { + spin_lock_irqsave(&zwplug->lock, flags); + zwp_zone_no = zwplug->zone_no; + zwp_flags = zwplug->flags; + zwp_ref = atomic_read(&zwplug->ref); + zwp_wp_offset = zwplug->wp_offset; + zwp_bio_list_size = bio_list_size(&zwplug->bio_list); + spin_unlock_irqrestore(&zwplug->lock, flags); - for (i = 0; i < q->disk->nr_zones; i++) - if (test_bit(i, q->disk->seq_zones_wlock)) - seq_printf(m, "%u\n", i); + seq_printf(m, "%u 0x%x %u %u %u\n", + zwp_zone_no, zwp_flags, zwp_ref, + zwp_wp_offset, zwp_bio_list_size); + } + } + rcu_read_unlock(); return 0; } |