1889 	struct ocfs2_orphan_scan *os;  in ocfs2_queue_orphan_scan()  local
1893 	os = &osb->osb_orphan_scan;  in ocfs2_queue_orphan_scan()
1895 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)  in ocfs2_queue_orphan_scan()
1898 	trace_ocfs2_queue_orphan_scan_begin(os->os_count, os->os_seqno,  in ocfs2_queue_orphan_scan()
1899 					    atomic_read(&os->os_state));  in ocfs2_queue_orphan_scan()
1909 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_INACTIVE)  in ocfs2_queue_orphan_scan()
1912 	if (os->os_seqno != seqno) {  in ocfs2_queue_orphan_scan()
1913 		os->os_seqno = seqno;  in ocfs2_queue_orphan_scan()
1925 	os->os_count++;  in ocfs2_queue_orphan_scan()
1926 	os->os_scantime = CURRENT_TIME;  in ocfs2_queue_orphan_scan()
1930 	trace_ocfs2_queue_orphan_scan_end(os->os_count, os->os_seqno,  in ocfs2_queue_orphan_scan()
1931 					  atomic_read(&os->os_state));  in ocfs2_queue_orphan_scan()
1938 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_work()  local
1941 	os = container_of(work, struct ocfs2_orphan_scan,  in ocfs2_orphan_scan_work()
1943 	osb = os->os_osb;  in ocfs2_orphan_scan_work()
1945 	mutex_lock(&os->os_lock);  in ocfs2_orphan_scan_work()
1947 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_ACTIVE)  in ocfs2_orphan_scan_work()
1948 		queue_delayed_work(ocfs2_wq, &os->os_orphan_scan_work,  in ocfs2_orphan_scan_work()
1950 	mutex_unlock(&os->os_lock);  in ocfs2_orphan_scan_work()
1955 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_stop()  local
1957 	os = &osb->osb_orphan_scan;  in ocfs2_orphan_scan_stop()
1958 	if (atomic_read(&os->os_state) == ORPHAN_SCAN_ACTIVE) {  in ocfs2_orphan_scan_stop()
1959 		atomic_set(&os->os_state, ORPHAN_SCAN_INACTIVE);  in ocfs2_orphan_scan_stop()
1960 		mutex_lock(&os->os_lock);  in ocfs2_orphan_scan_stop()
1961 		cancel_delayed_work(&os->os_orphan_scan_work);  in ocfs2_orphan_scan_stop()
1962 		mutex_unlock(&os->os_lock);  in ocfs2_orphan_scan_stop()
1968 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_init()  local
1970 	os = &osb->osb_orphan_scan;  in ocfs2_orphan_scan_init()
1971 	os->os_osb = osb;  in ocfs2_orphan_scan_init()
1972 	os->os_count = 0;  in ocfs2_orphan_scan_init()
1973 	os->os_seqno = 0;  in ocfs2_orphan_scan_init()
1974 	mutex_init(&os->os_lock);  in ocfs2_orphan_scan_init()
1975 	INIT_DELAYED_WORK(&os->os_orphan_scan_work, ocfs2_orphan_scan_work);  in ocfs2_orphan_scan_init()
1980 	struct ocfs2_orphan_scan *os;  in ocfs2_orphan_scan_start()  local
1982 	os = &osb->osb_orphan_scan;  in ocfs2_orphan_scan_start()
1983 	os->os_scantime = CURRENT_TIME;  in ocfs2_orphan_scan_start()
1985 		atomic_set(&os->os_state, ORPHAN_SCAN_INACTIVE);  in ocfs2_orphan_scan_start()
1987 		atomic_set(&os->os_state, ORPHAN_SCAN_ACTIVE);  in ocfs2_orphan_scan_start()
1988 		queue_delayed_work(ocfs2_wq, &os->os_orphan_scan_work,  in ocfs2_orphan_scan_start()