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drbd: debugfs: add per connection oldest requests

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Information of former /sys/block/drbdX/drbd/oldest_requests
is already with higher detail in these files:
 debugfs/drbd/resource/$name/in_flight_summary,
 debugfs/drbd/resource/$name/volumes/$vnr/oldest_requests

This patch adds
 debugfs/drbd/resource/$name/connections/peer/oldest_requests

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2014-05-14 20:13:36 +02:00 committed by Philipp Reisner
parent b44e1184fc
commit 3d299f48a9
1 changed files with 7 additions and 0 deletions
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7
drivers/block/drbd/drbd_debugfs.c
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@ -670,6 +670,13 @@ void drbd_debugfs_connection_add(struct drbd_connection *connection)
if (IS_ERR_OR_NULL(dentry))
goto fail;
connection->debugfs_conn_callback_history = dentry;
dentry = debugfs_create_file("oldest_requests", S_IRUSR|S_IRGRP,
connection->debugfs_conn, connection,
&connection_oldest_requests_fops);
if (IS_ERR_OR_NULL(dentry))
goto fail;
connection->debugfs_conn_oldest_requests = dentry;
return;
fail: