1916 	struct ocfs2_orphan_scan *os;  in ocfs2_queue_orphan_scan()  local
1920 	os = &osb->osb_orphan_scan;  in ocfs2_queue_orphan_scan()
1922 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)  in ocfs2_queue_orphan_scan()
1925 	trace_ocfs2_queue_orphan_scan_begin(os->os_count, os->os_seqno,  in ocfs2_queue_orphan_scan()
1926 					    atomic_read(&os->os_state));  in ocfs2_queue_orphan_scan()
1936 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)  in ocfs2_queue_orphan_scan()
1939 	if (os->os_seqno != seqno) {  in ocfs2_queue_orphan_scan()
1940 		os->os_seqno = seqno;  in ocfs2_queue_orphan_scan()
1952 	os->os_count++;  in ocfs2_queue_orphan_scan()
1953 	os->os_scantime = CURRENT_TIME;  in ocfs2_queue_orphan_scan()
1957 	trace_ocfs2_queue_orphan_scan_end(os->os_count, os->os_seqno,  in ocfs2_queue_orphan_scan()
1958 					  atomic_read(&os->os_state));  in ocfs2_queue_orphan_scan()
1965 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_work()  local
1968 	os = container_of(work, struct ocfs2_orphan_scan,  in ocfs2_orphan_scan_work()
1970 	osb = os->os_osb;  in ocfs2_orphan_scan_work()
1972 	mutex_lock(&os->os_lock);  in ocfs2_orphan_scan_work()
1974 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_ACTIVE)  in ocfs2_orphan_scan_work()
1975 		queue_delayed_work(ocfs2_wq, &os->os_orphan_scan_work,  in ocfs2_orphan_scan_work()
1977 	mutex_unlock(&os->os_lock);  in ocfs2_orphan_scan_work()
1982 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_stop()  local
1984 	os = &osb->osb_orphan_scan;  in ocfs2_orphan_scan_stop()
1985 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_ACTIVE) {  in ocfs2_orphan_scan_stop()
1986 		atomic_set(&os->os_state, ORPHAN_SCAN_INACTIVE);  in ocfs2_orphan_scan_stop()
1987 		mutex_lock(&os->os_lock);  in ocfs2_orphan_scan_stop()
1988 		cancel_delayed_work(&os->os_orphan_scan_work);  in ocfs2_orphan_scan_stop()
1989 		mutex_unlock(&os->os_lock);  in ocfs2_orphan_scan_stop()
1995 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_init()  local
1997 	os = &osb->osb_orphan_scan;  in ocfs2_orphan_scan_init()
1998 	os->os_osb = osb;  in ocfs2_orphan_scan_init()
1999 	os->os_count = 0;  in ocfs2_orphan_scan_init()
2000 	os->os_seqno = 0;  in ocfs2_orphan_scan_init()
2001 	mutex_init(&os->os_lock);  in ocfs2_orphan_scan_init()
2002 	INIT_DELAYED_WORK(&os->os_orphan_scan_work, ocfs2_orphan_scan_work);  in ocfs2_orphan_scan_init()
2007 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_start()  local
2009 	os = &osb->osb_orphan_scan;  in ocfs2_orphan_scan_start()
2010 	os->os_scantime = CURRENT_TIME;  in ocfs2_orphan_scan_start()
2012 		atomic_set(&os->os_state, ORPHAN_SCAN_INACTIVE);  in ocfs2_orphan_scan_start()
2014 		atomic_set(&os->os_state, ORPHAN_SCAN_ACTIVE);  in ocfs2_orphan_scan_start()
2015 		queue_delayed_work(ocfs2_wq, &os->os_orphan_scan_work,  in ocfs2_orphan_scan_start()