debugfs_conn_callback_history 634 drivers/block/drbd/drbd_debugfs.c connection->debugfs_conn_callback_history = dentry; debugfs_conn_callback_history 644 drivers/block/drbd/drbd_debugfs.c drbd_debugfs_remove(&connection->debugfs_conn_callback_history); debugfs_conn_callback_history 692 drivers/block/drbd/drbd_int.h struct dentry *debugfs_conn_callback_history;