[PATCH 1/2] nbd: export dead_conn_timeout via debugfs

[Hou Pu <houpu@bytedance.com>]

As dead_conn_timeout could be changed by reconfiguring
a nbd device. Export it so user could find current value
of it.

Signed-off-by: Hou Pu <houpu@bytedance.com>
---
 drivers/block/nbd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 43cff01a5a67..59c6ce2d2e43 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1597,6 +1597,8 @@ static int nbd_dev_dbg_init(struct nbd_device *nbd)
 
 	debugfs_create_file("tasks", 0444, dir, nbd, &nbd_dbg_tasks_ops);
 	debugfs_create_u64("size_bytes", 0444, dir, &config->bytesize);
+	debugfs_create_u64("dead_conn_timeout", 0444, dir,
+			   &config->dead_conn_timeout);
 	debugfs_create_u32("timeout", 0444, dir, &nbd->tag_set.timeout);
 	debugfs_create_u64("blocksize", 0444, dir, &config->blksize);
 	debugfs_create_file("flags", 0444, dir, nbd, &nbd_dbg_flags_ops);
-- 
2.11.0