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()
905 	struct bm_extent *bm_ext;  in _bme_get()  local
915 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in _bme_get()
916 	if (bm_ext) {  in _bme_get()
917 		if (bm_ext->lce.lc_number != enr) {  in _bme_get()
918 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in _bme_get()
919 			bm_ext->rs_failed = 0;  in _bme_get()
923 		if (bm_ext->lce.refcnt == 1)  in _bme_get()
925 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in _bme_get()
932 	if (!bm_ext) {  in _bme_get()
939 	return bm_ext;  in _bme_get()
963 	struct bm_extent *bm_ext;  in drbd_rs_begin_io()  local
969 			(bm_ext = _bme_get(device, enr)));  in drbd_rs_begin_io()
973 	if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_rs_begin_io()
982 					       (sa && test_bit(BME_PRIORITY, &bm_ext->flags)));  in drbd_rs_begin_io()
984 		if (sig || (sa && test_bit(BME_PRIORITY, &bm_ext->flags))) {  in drbd_rs_begin_io()
986 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_begin_io()
987 				bm_ext->flags = 0; /* clears BME_NO_WRITES and eventually BME_PRIORITY */  in drbd_rs_begin_io()
999 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_rs_begin_io()
1017 	struct bm_extent *bm_ext;  in drbd_try_rs_begin_io()  local
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 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1048 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1049 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1051 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1052 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1062 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1063 	if (bm_ext) {  in drbd_try_rs_begin_io()
1064 		if (test_bit(BME_LOCKED, &bm_ext->flags))  in drbd_try_rs_begin_io()
1066 		if (!test_and_set_bit(BME_NO_WRITES, &bm_ext->flags)) {  in drbd_try_rs_begin_io()
1073 			bm_ext->lce.refcnt--;  in drbd_try_rs_begin_io()
1074 			D_ASSERT(device, bm_ext->lce.refcnt > 0);  in drbd_try_rs_begin_io()
1083 		bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_try_rs_begin_io()
1084 		if (!bm_ext) {  in drbd_try_rs_begin_io()
1092 		if (bm_ext->lce.lc_number != enr) {  in drbd_try_rs_begin_io()
1093 			bm_ext->rs_left = drbd_bm_e_weight(device, enr);  in drbd_try_rs_begin_io()
1094 			bm_ext->rs_failed = 0;  in drbd_try_rs_begin_io()
1097 			D_ASSERT(device, test_bit(BME_LOCKED, &bm_ext->flags) == 0);  in drbd_try_rs_begin_io()
1099 		set_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1100 		D_ASSERT(device, bm_ext->lce.refcnt == 1);  in drbd_try_rs_begin_io()
1109 	set_bit(BME_LOCKED, &bm_ext->flags);  in drbd_try_rs_begin_io()
1116 	if (bm_ext) {  in drbd_try_rs_begin_io()
1118 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_try_rs_begin_io()
1119 			D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_try_rs_begin_io()
1120 			clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_try_rs_begin_io()
1122 			if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_try_rs_begin_io()
1123 				bm_ext->flags = 0;  in drbd_try_rs_begin_io()
1138 	struct bm_extent *bm_ext;  in drbd_rs_complete_io()  local
1143 	bm_ext = e ? lc_entry(e, struct bm_extent, lce) : NULL;  in drbd_rs_complete_io()
1144 	if (!bm_ext) {  in drbd_rs_complete_io()
1151 	if (bm_ext->lce.refcnt == 0) {  in drbd_rs_complete_io()
1159 	if (lc_put(device->resync, &bm_ext->lce) == 0) {  in drbd_rs_complete_io()
1160 		bm_ext->flags = 0; /* clear BME_LOCKED, BME_NO_WRITES and BME_PRIORITY */  in drbd_rs_complete_io()
1196 	struct bm_extent *bm_ext;  in drbd_rs_del_all()  local
1205 			bm_ext = lc_entry(e, struct bm_extent, lce);  in drbd_rs_del_all()
1206 			if (bm_ext->lce.lc_number == LC_FREE)  in drbd_rs_del_all()
1208 			if (bm_ext->lce.lc_number == device->resync_wenr) {  in drbd_rs_del_all()
1212 				D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1213 				D_ASSERT(device, test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1214 				clear_bit(BME_NO_WRITES, &bm_ext->flags);  in drbd_rs_del_all()
1216 				lc_put(device->resync, &bm_ext->lce);  in drbd_rs_del_all()
1218 			if (bm_ext->lce.refcnt != 0) {  in drbd_rs_del_all()
1220 				     "refcnt=%d\n", bm_ext->lce.refcnt);  in drbd_rs_del_all()
1225 			D_ASSERT(device, !test_bit(BME_LOCKED, &bm_ext->flags));  in drbd_rs_del_all()
1226 			D_ASSERT(device, !test_bit(BME_NO_WRITES, &bm_ext->flags));  in drbd_rs_del_all()
1227 			lc_del(device->resync, &bm_ext->lce);  in drbd_rs_del_all()