222 		struct bm_extent  *bm_ext = lc_entry(tmp, struct bm_extent, lce);  in find_active_resync_extent()  local
223 		if (test_bit(BME_NO_WRITES, &bm_ext->flags))  in find_active_resync_extent()
224 			return bm_ext;  in find_active_resync_extent()
232 	struct bm_extent *bm_ext;  in _al_get()  local
236 	bm_ext = find_active_resync_extent(device, enr);  in _al_get()
237 	if (bm_ext) {  in _al_get()
238 		wake = !test_and_set_bit(BME_PRIORITY, &bm_ext->flags);  in _al_get()
377 			struct bm_extent  *bm_ext = lc_entry(tmp, struct bm_extent, lce);  in drbd_al_begin_io_nonblock()  local
378 			if (test_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_al_begin_io_nonblock()
379 				if (!test_and_set_bit(BME_PRIORITY, &bm_ext->flags))  in drbd_al_begin_io_nonblock()
888 	struct bm_extent *bm_ext;  in _bme_get()  local
898 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in _bme_get()
899 	if (bm_ext) {  in _bme_get()
900 		if (bm_ext->lce.lc_number != enr) {  in _bme_get()
901 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in _bme_get()
902 			bm_ext->rs_failed = 0;  in _bme_get()
906 		if (bm_ext->lce.refcnt == 1)  in _bme_get()
908 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in _bme_get()
915 	if (!bm_ext) {  in _bme_get()
922 	return bm_ext;  in _bme_get()
946 	struct bm_extent *bm_ext;  in drbd_rs_begin_io()  local
952 			(bm_ext = _bme_get(device, enr)));  in drbd_rs_begin_io()
956 	if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_rs_begin_io()
965 					       (sa && test_bit(BME_PRIORITY, &bm_ext->flags)));  in drbd_rs_begin_io()
967 		if (sig || (sa && test_bit(BME_PRIORITY, &bm_ext->flags))) {  in drbd_rs_begin_io()
969 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_begin_io()
970 				bm_ext->flags = 0; /* clears BME_NO_WRITES and eventually BME_PRIORITY */  in drbd_rs_begin_io()
982 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_rs_begin_io()
1000 	struct bm_extent *bm_ext;  in drbd_try_rs_begin_io()  local
1028 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1029 		if (bm_ext) {  in drbd_try_rs_begin_io()
1030 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1031 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1032 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1034 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1035 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1045 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1046 	if (bm_ext) {  in drbd_try_rs_begin_io()
1047 		if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_try_rs_begin_io()
1049 		if (!test_and_set_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_try_rs_begin_io()
1056 			bm_ext->lce.refcnt--;  in drbd_try_rs_begin_io()
1057 			D_ASSERT(device, bm_ext->lce.refcnt > 0);  in drbd_try_rs_begin_io()
1066 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1067 		if (!bm_ext) {  in drbd_try_rs_begin_io()
1075 		if (bm_ext->lce.lc_number != enr) {  in drbd_try_rs_begin_io()
1076 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in drbd_try_rs_begin_io()
1077 			bm_ext->rs_failed = 0;  in drbd_try_rs_begin_io()
1080 			D_ASSERT(device, test_bit(BME_LOCKED, &bm_ext->flags) == 0);  in drbd_try_rs_begin_io()
1082 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1083 		D_ASSERT(device, bm_ext->lce.refcnt == 1);  in drbd_try_rs_begin_io()
1092 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_try_rs_begin_io()
1099 	if (bm_ext) {  in drbd_try_rs_begin_io()
1101 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1102 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1103 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1105 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1106 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1121 	struct bm_extent *bm_ext;  in drbd_rs_complete_io()  local
1126 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_rs_complete_io()
1127 	if (!bm_ext) {  in drbd_rs_complete_io()
1134 	if (bm_ext->lce.refcnt == 0) {  in drbd_rs_complete_io()
1142 	if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_complete_io()
1143 		bm_ext->flags = 0; /* clear BME_LOCKED, BME_NO_WRITES and BME_PRIORITY */  in drbd_rs_complete_io()
1179 	struct bm_extent *bm_ext;  in drbd_rs_del_all()  local
1188 			bm_ext = lc_entry(e, struct bm_extent, lce);  in drbd_rs_del_all()
1189 			if (bm_ext->lce.lc_number == LC_FREE)  in drbd_rs_del_all()
1191 			if (bm_ext->lce.lc_number == device->resync_wenr) {  in drbd_rs_del_all()
1195 				D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1196 				D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1197 				clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_rs_del_all()
1199 				lc_put(device->resync, &bm_ext->lce);  in drbd_rs_del_all()
1201 			if (bm_ext->lce.refcnt != 0) {  in drbd_rs_del_all()
1203 				     "refcnt=%d\n", bm_ext->lce.refcnt);  in drbd_rs_del_all()
1208 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1209 			D_ASSERT(device, !test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1210 			lc_del(device->resync, &bm_ext->lce);  in drbd_rs_del_all()