189 	u64		snap_id;  member
282 		u64			snap_id;	/* for reads */  member
565 					u64 snap_id);
566 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
568 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
611 	if (rbd_dev->spec->snap_id != CEPH_NOSNAP && !ro)  in rbd_ioctl_set_ro()
1152 static u32 rbd_dev_snap_index(struct rbd_device *rbd_dev, u64 snap_id)  in rbd_dev_snap_index()  argument
1157 	found = bsearch(&snap_id, &snapc->snaps, snapc->num_snaps,  in rbd_dev_snap_index()
1158 				sizeof (snap_id), snapid_compare_reverse);  in rbd_dev_snap_index()
1164 					u64 snap_id)  in rbd_dev_v1_snap_name()  argument
1169 	which = rbd_dev_snap_index(rbd_dev, snap_id);  in rbd_dev_v1_snap_name()
1177 static const char *rbd_snap_name(struct rbd_device *rbd_dev, u64 snap_id)  in rbd_snap_name()  argument
1179 	if (snap_id == CEPH_NOSNAP)  in rbd_snap_name()
1184 		return rbd_dev_v1_snap_name(rbd_dev, snap_id);  in rbd_snap_name()
1186 	return rbd_dev_v2_snap_name(rbd_dev, snap_id);  in rbd_snap_name()
1189 static int rbd_snap_size(struct rbd_device *rbd_dev, u64 snap_id,  in rbd_snap_size()  argument
1193 	if (snap_id == CEPH_NOSNAP) {  in rbd_snap_size()
1198 		which = rbd_dev_snap_index(rbd_dev, snap_id);  in rbd_snap_size()
1207 		ret = _rbd_dev_v2_snap_size(rbd_dev, snap_id, NULL, &size);  in rbd_snap_size()
1216 static int rbd_snap_features(struct rbd_device *rbd_dev, u64 snap_id,  in rbd_snap_features()  argument
1220 	if (snap_id == CEPH_NOSNAP) {  in rbd_snap_features()
1228 		ret = _rbd_dev_v2_snap_features(rbd_dev, snap_id, &features);  in rbd_snap_features()
1239 	u64 snap_id = rbd_dev->spec->snap_id;  in rbd_dev_mapping_set()  local
1244 	ret = rbd_snap_size(rbd_dev, snap_id, &size);  in rbd_dev_mapping_set()
1247 	ret = rbd_snap_features(rbd_dev, snap_id, &features);  in rbd_dev_mapping_set()
1461 	osd_req->r_snapid = obj_request->img_request->snap_id;  in rbd_osd_req_format_read()
1650 		img_request->snap_id = rbd_dev->spec->snap_id;  in rbd_img_request_create()
3664 		   rbd_dev->spec->snap_id == CEPH_NOSNAP);  in rbd_queue_workfn()
3674 		rbd_assert(rbd_dev->spec->snap_id != CEPH_NOSNAP);  in rbd_queue_workfn()
3877 	u64 snap_id;  in rbd_exists_validate()  local
3882 	snap_id = rbd_dev->spec->snap_id;  in rbd_exists_validate()
3883 	if (snap_id == CEPH_NOSNAP)  in rbd_exists_validate()
3886 	if (rbd_dev_snap_index(rbd_dev, snap_id) == BAD_SNAP_INDEX)  in rbd_exists_validate()
3930 	if (rbd_dev->spec->snap_id == CEPH_NOSNAP) {  in rbd_dev_refresh()
4187 	return sprintf(buf, "%llu\n", rbd_dev->spec->snap_id);  in rbd_snap_id_show()
4218 			    spec->snap_id, spec->snap_name,  in rbd_parent_show()
4255 static DEVICE_ATTR(snap_id, 0444, rbd_snap_id_show, NULL);
4319 	spec->snap_id = CEPH_NOSNAP;  in rbd_spec_alloc()
4471 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,  in _rbd_dev_v2_snap_size()  argument
4474 	__le64 snapid = cpu_to_le64(snap_id);  in _rbd_dev_v2_snap_size()
4498 		(unsigned long long)snap_id,  in _rbd_dev_v2_snap_size()
4545 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,  in _rbd_dev_v2_snap_features()  argument
4548 	__le64 snapid = cpu_to_le64(snap_id);  in _rbd_dev_v2_snap_features()
4576 		(unsigned long long)snap_id,  in _rbd_dev_v2_snap_features()
4593 	u64		snap_id;  member
4627 	ceph_decode_64_safe(p, end, pii->snap_id, e_inval);  in decode_parent_image_spec()
4702 	ceph_decode_64_safe(&p, end, pii->snap_id, e_inval);  in __get_parent_info_legacy()
4730 	ceph_encode_64(&p, rbd_dev->spec->snap_id);  in get_parent_info()
4756 	     __func__, pii.pool_id, pii.pool_ns, pii.image_id, pii.snap_id,  in rbd_dev_v2_parent_info()
4805 		parent_spec->snap_id = pii.snap_id;  in rbd_dev_v2_parent_info()
4954 	u64 snap_id;  in rbd_v2_snap_id_by_name()  local
4959 		snap_id = snapc->snaps[which];  in rbd_v2_snap_id_by_name()
4960 		snap_name = rbd_dev_v2_snap_name(rbd_dev, snap_id);  in rbd_v2_snap_id_by_name()
4971 	return found ? snap_id : CEPH_NOSNAP;  in rbd_v2_snap_id_by_name()
4998 		u64 snap_id;  in rbd_spec_fill_snap_id()  local
5000 		snap_id = rbd_snap_id_by_name(rbd_dev, spec->snap_name);  in rbd_spec_fill_snap_id()
5001 		if (snap_id == CEPH_NOSNAP)  in rbd_spec_fill_snap_id()
5004 		spec->snap_id = snap_id;  in rbd_spec_fill_snap_id()
5006 		spec->snap_id = CEPH_NOSNAP;  in rbd_spec_fill_snap_id()
5029 	rbd_assert(spec->snap_id != CEPH_NOSNAP);  in rbd_spec_fill_names()
5050 	snap_name = rbd_snap_name(rbd_dev, spec->snap_id);  in rbd_spec_fill_names()
5141 					u64 snap_id)  in rbd_dev_v2_snap_name()  argument
5156 	snapid = cpu_to_le64(snap_id);  in rbd_dev_v2_snap_name()
5173 		(unsigned long long)snap_id, snap_name);  in rbd_dev_v2_snap_name()
5882 	if (rbd_dev->spec->snap_id != CEPH_NOSNAP)  in do_rbd_add()