211 		struct bm_extent  *bm_ext = lc_entry(tmp, struct bm_extent, lce);  in find_active_resync_extent()  local
212 		if (test_bit(BME_NO_WRITES, &bm_ext->flags))  in find_active_resync_extent()
213 			return bm_ext;  in find_active_resync_extent()
221 	struct bm_extent *bm_ext;  in _al_get()  local
225 	bm_ext = find_active_resync_extent(device, enr);  in _al_get()
226 	if (bm_ext) {  in _al_get()
227 		wake = !test_and_set_bit(BME_PRIORITY, &bm_ext->flags);  in _al_get()
523 			struct bm_extent  *bm_ext = lc_entry(tmp, struct bm_extent, lce);  in drbd_al_begin_io_nonblock()  local
524 			if (test_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_al_begin_io_nonblock()
525 				if (!test_and_set_bit(BME_PRIORITY, &bm_ext->flags))  in drbd_al_begin_io_nonblock()
907 	struct bm_extent *bm_ext;  in _bme_get()  local
917 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in _bme_get()
918 	if (bm_ext) {  in _bme_get()
919 		if (bm_ext->lce.lc_number != enr) {  in _bme_get()
920 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in _bme_get()
921 			bm_ext->rs_failed = 0;  in _bme_get()
925 		if (bm_ext->lce.refcnt == 1)  in _bme_get()
927 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in _bme_get()
934 	if (!bm_ext) {  in _bme_get()
941 	return bm_ext;  in _bme_get()
967 	struct bm_extent *bm_ext;  in drbd_rs_begin_io()  local
973 			(bm_ext = _bme_get(device, enr)));  in drbd_rs_begin_io()
977 	if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_rs_begin_io()
986 					       (sa && test_bit(BME_PRIORITY, &bm_ext->flags)));  in drbd_rs_begin_io()
988 		if (sig || (sa && test_bit(BME_PRIORITY, &bm_ext->flags))) {  in drbd_rs_begin_io()
990 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_begin_io()
991 				bm_ext->flags = 0; /* clears BME_NO_WRITES and eventually BME_PRIORITY */  in drbd_rs_begin_io()
1003 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_rs_begin_io()
1024 	struct bm_extent *bm_ext;  in drbd_try_rs_begin_io()  local
1052 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1053 		if (bm_ext) {  in drbd_try_rs_begin_io()
1054 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1055 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1056 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1058 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1059 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1069 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1070 	if (bm_ext) {  in drbd_try_rs_begin_io()
1071 		if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_try_rs_begin_io()
1073 		if (!test_and_set_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_try_rs_begin_io()
1080 			bm_ext->lce.refcnt--;  in drbd_try_rs_begin_io()
1081 			D_ASSERT(device, bm_ext->lce.refcnt > 0);  in drbd_try_rs_begin_io()
1090 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1091 		if (!bm_ext) {  in drbd_try_rs_begin_io()
1099 		if (bm_ext->lce.lc_number != enr) {  in drbd_try_rs_begin_io()
1100 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in drbd_try_rs_begin_io()
1101 			bm_ext->rs_failed = 0;  in drbd_try_rs_begin_io()
1104 			D_ASSERT(device, test_bit(BME_LOCKED, &bm_ext->flags) == 0);  in drbd_try_rs_begin_io()
1106 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1107 		D_ASSERT(device, bm_ext->lce.refcnt == 1);  in drbd_try_rs_begin_io()
1116 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_try_rs_begin_io()
1123 	if (bm_ext) {  in drbd_try_rs_begin_io()
1125 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1126 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1127 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1129 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1130 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1145 	struct bm_extent *bm_ext;  in drbd_rs_complete_io()  local
1150 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_rs_complete_io()
1151 	if (!bm_ext) {  in drbd_rs_complete_io()
1158 	if (bm_ext->lce.refcnt == 0) {  in drbd_rs_complete_io()
1166 	if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_complete_io()
1167 		bm_ext->flags = 0; /* clear BME_LOCKED, BME_NO_WRITES and BME_PRIORITY */  in drbd_rs_complete_io()
1203 	struct bm_extent *bm_ext;  in drbd_rs_del_all()  local
1212 			bm_ext = lc_entry(e, struct bm_extent, lce);  in drbd_rs_del_all()
1213 			if (bm_ext->lce.lc_number == LC_FREE)  in drbd_rs_del_all()
1215 			if (bm_ext->lce.lc_number == device->resync_wenr) {  in drbd_rs_del_all()
1219 				D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1220 				D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1221 				clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_rs_del_all()
1223 				lc_put(device->resync, &bm_ext->lce);  in drbd_rs_del_all()
1225 			if (bm_ext->lce.refcnt != 0) {  in drbd_rs_del_all()
1227 				     "refcnt=%d\n", bm_ext->lce.refcnt);  in drbd_rs_del_all()
1232 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1233 			D_ASSERT(device, !test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1234 			lc_del(device->resync, &bm_ext->lce);  in drbd_rs_del_all()