223 		struct bm_extent  *bm_ext = lc_entry(tmp, struct bm_extent, lce);  in find_active_resync_extent()  local
224 		if (test_bit(BME_NO_WRITES, &bm_ext->flags))  in find_active_resync_extent()
225 			return bm_ext;  in find_active_resync_extent()
233 	struct bm_extent *bm_ext;  in _al_get()  local
237 	bm_ext = find_active_resync_extent(device, enr);  in _al_get()
238 	if (bm_ext) {  in _al_get()
239 		wake = !test_and_set_bit(BME_PRIORITY, &bm_ext->flags);  in _al_get()
535 			struct bm_extent  *bm_ext = lc_entry(tmp, struct bm_extent, lce);  in drbd_al_begin_io_nonblock()  local
536 			if (test_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_al_begin_io_nonblock()
537 				if (!test_and_set_bit(BME_PRIORITY, &bm_ext->flags))  in drbd_al_begin_io_nonblock()
917 	struct bm_extent *bm_ext;  in _bme_get()  local
927 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in _bme_get()
928 	if (bm_ext) {  in _bme_get()
929 		if (bm_ext->lce.lc_number != enr) {  in _bme_get()
930 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in _bme_get()
931 			bm_ext->rs_failed = 0;  in _bme_get()
935 		if (bm_ext->lce.refcnt == 1)  in _bme_get()
937 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in _bme_get()
944 	if (!bm_ext) {  in _bme_get()
951 	return bm_ext;  in _bme_get()
975 	struct bm_extent *bm_ext;  in drbd_rs_begin_io()  local
981 			(bm_ext = _bme_get(device, enr)));  in drbd_rs_begin_io()
985 	if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_rs_begin_io()
994 					       (sa && test_bit(BME_PRIORITY, &bm_ext->flags)));  in drbd_rs_begin_io()
996 		if (sig || (sa && test_bit(BME_PRIORITY, &bm_ext->flags))) {  in drbd_rs_begin_io()
998 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_begin_io()
999 				bm_ext->flags = 0; /* clears BME_NO_WRITES and eventually BME_PRIORITY */  in drbd_rs_begin_io()
1011 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_rs_begin_io()
1029 	struct bm_extent *bm_ext;  in drbd_try_rs_begin_io()  local
1057 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1058 		if (bm_ext) {  in drbd_try_rs_begin_io()
1059 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1060 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1061 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1063 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1064 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1074 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1075 	if (bm_ext) {  in drbd_try_rs_begin_io()
1076 		if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_try_rs_begin_io()
1078 		if (!test_and_set_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_try_rs_begin_io()
1085 			bm_ext->lce.refcnt--;  in drbd_try_rs_begin_io()
1086 			D_ASSERT(device, bm_ext->lce.refcnt > 0);  in drbd_try_rs_begin_io()
1095 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1096 		if (!bm_ext) {  in drbd_try_rs_begin_io()
1104 		if (bm_ext->lce.lc_number != enr) {  in drbd_try_rs_begin_io()
1105 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in drbd_try_rs_begin_io()
1106 			bm_ext->rs_failed = 0;  in drbd_try_rs_begin_io()
1109 			D_ASSERT(device, test_bit(BME_LOCKED, &bm_ext->flags) == 0);  in drbd_try_rs_begin_io()
1111 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1112 		D_ASSERT(device, bm_ext->lce.refcnt == 1);  in drbd_try_rs_begin_io()
1121 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_try_rs_begin_io()
1128 	if (bm_ext) {  in drbd_try_rs_begin_io()
1130 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1131 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1132 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1134 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1135 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1150 	struct bm_extent *bm_ext;  in drbd_rs_complete_io()  local
1155 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_rs_complete_io()
1156 	if (!bm_ext) {  in drbd_rs_complete_io()
1163 	if (bm_ext->lce.refcnt == 0) {  in drbd_rs_complete_io()
1171 	if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_complete_io()
1172 		bm_ext->flags = 0; /* clear BME_LOCKED, BME_NO_WRITES and BME_PRIORITY */  in drbd_rs_complete_io()
1208 	struct bm_extent *bm_ext;  in drbd_rs_del_all()  local
1217 			bm_ext = lc_entry(e, struct bm_extent, lce);  in drbd_rs_del_all()
1218 			if (bm_ext->lce.lc_number == LC_FREE)  in drbd_rs_del_all()
1220 			if (bm_ext->lce.lc_number == device->resync_wenr) {  in drbd_rs_del_all()
1224 				D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1225 				D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1226 				clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_rs_del_all()
1228 				lc_put(device->resync, &bm_ext->lce);  in drbd_rs_del_all()
1230 			if (bm_ext->lce.refcnt != 0) {  in drbd_rs_del_all()
1232 				     "refcnt=%d\n", bm_ext->lce.refcnt);  in drbd_rs_del_all()
1237 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1238 			D_ASSERT(device, !test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1239 			lc_del(device->resync, &bm_ext->lce);  in drbd_rs_del_all()