189 	u64		snap_id;  member
297 		u64			snap_id;	/* for reads */  member
537 					u64 snap_id);
538 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,
540 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
592 	if (rbd_dev->spec->snap_id != CEPH_NOSNAP && !ro)  in rbd_ioctl_set_ro()
1057 static u32 rbd_dev_snap_index(struct rbd_device *rbd_dev, u64 snap_id)  in rbd_dev_snap_index()  argument
1062 	found = bsearch(&snap_id, &snapc->snaps, snapc->num_snaps,  in rbd_dev_snap_index()
1063 				sizeof (snap_id), snapid_compare_reverse);  in rbd_dev_snap_index()
1069 					u64 snap_id)  in rbd_dev_v1_snap_name()  argument
1074 	which = rbd_dev_snap_index(rbd_dev, snap_id);  in rbd_dev_v1_snap_name()
1082 static const char *rbd_snap_name(struct rbd_device *rbd_dev, u64 snap_id)  in rbd_snap_name()  argument
1084 	if (snap_id == CEPH_NOSNAP)  in rbd_snap_name()
1089 		return rbd_dev_v1_snap_name(rbd_dev, snap_id);  in rbd_snap_name()
1091 	return rbd_dev_v2_snap_name(rbd_dev, snap_id);  in rbd_snap_name()
1094 static int rbd_snap_size(struct rbd_device *rbd_dev, u64 snap_id,  in rbd_snap_size()  argument
1098 	if (snap_id == CEPH_NOSNAP) {  in rbd_snap_size()
1103 		which = rbd_dev_snap_index(rbd_dev, snap_id);  in rbd_snap_size()
1112 		ret = _rbd_dev_v2_snap_size(rbd_dev, snap_id, NULL, &size);  in rbd_snap_size()
1121 static int rbd_snap_features(struct rbd_device *rbd_dev, u64 snap_id,  in rbd_snap_features()  argument
1125 	if (snap_id == CEPH_NOSNAP) {  in rbd_snap_features()
1133 		ret = _rbd_dev_v2_snap_features(rbd_dev, snap_id, &features);  in rbd_snap_features()
1144 	u64 snap_id = rbd_dev->spec->snap_id;  in rbd_dev_mapping_set()  local
1149 	ret = rbd_snap_size(rbd_dev, snap_id, &size);  in rbd_dev_mapping_set()
1152 	ret = rbd_snap_features(rbd_dev, snap_id, &features);  in rbd_dev_mapping_set()
1881 	u64 snap_id;  in rbd_osd_req_format_read()  local
1885 	snap_id = img_request ? img_request->snap_id : CEPH_NOSNAP;  in rbd_osd_req_format_read()
1887 			NULL, snap_id, NULL);  in rbd_osd_req_format_read()
2170 		img_request->snap_id = rbd_dev->spec->snap_id;  in rbd_img_request_create()
3373 		rbd_assert(rbd_dev->spec->snap_id == CEPH_NOSNAP);  in rbd_queue_workfn()
3384 		rbd_assert(rbd_dev->spec->snap_id != CEPH_NOSNAP);  in rbd_queue_workfn()
3652 	u64 snap_id;  in rbd_exists_validate()  local
3657 	snap_id = rbd_dev->spec->snap_id;  in rbd_exists_validate()
3658 	if (snap_id == CEPH_NOSNAP)  in rbd_exists_validate()
3661 	if (rbd_dev_snap_index(rbd_dev, snap_id) == BAD_SNAP_INDEX)  in rbd_exists_validate()
3712 	if (rbd_dev->spec->snap_id == CEPH_NOSNAP) {  in rbd_dev_refresh()
3954 			    spec->snap_id, spec->snap_name,  in rbd_parent_show()
4047 	spec->snap_id = CEPH_NOSNAP;  in rbd_spec_alloc()
4104 static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id,  in _rbd_dev_v2_snap_size()  argument
4107 	__le64 snapid = cpu_to_le64(snap_id);  in _rbd_dev_v2_snap_size()
4131 		(unsigned long long)snap_id,  in _rbd_dev_v2_snap_size()
4178 static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,  in _rbd_dev_v2_snap_features()  argument
4181 	__le64 snapid = cpu_to_le64(snap_id);  in _rbd_dev_v2_snap_features()
4206 		(unsigned long long)snap_id,  in _rbd_dev_v2_snap_features()
4229 	u64 snap_id;  in rbd_dev_v2_parent_info()  local
4247 	snapid = cpu_to_le64(rbd_dev->spec->snap_id);  in rbd_dev_v2_parent_info()
4294 	ceph_decode_64_safe(&p, end, snap_id, out_err);  in rbd_dev_v2_parent_info()
4305 		parent_spec->snap_id = snap_id;  in rbd_dev_v2_parent_info()
4461 	u64 snap_id;  in rbd_v2_snap_id_by_name()  local
4466 		snap_id = snapc->snaps[which];  in rbd_v2_snap_id_by_name()
4467 		snap_name = rbd_dev_v2_snap_name(rbd_dev, snap_id);  in rbd_v2_snap_id_by_name()
4478 	return found ? snap_id : CEPH_NOSNAP;  in rbd_v2_snap_id_by_name()
4505 		u64 snap_id;  in rbd_spec_fill_snap_id()  local
4507 		snap_id = rbd_snap_id_by_name(rbd_dev, spec->snap_name);  in rbd_spec_fill_snap_id()
4508 		if (snap_id == CEPH_NOSNAP)  in rbd_spec_fill_snap_id()
4511 		spec->snap_id = snap_id;  in rbd_spec_fill_snap_id()
4513 		spec->snap_id = CEPH_NOSNAP;  in rbd_spec_fill_snap_id()
4536 	rbd_assert(spec->snap_id != CEPH_NOSNAP);  in rbd_spec_fill_names()
4557 	snap_name = rbd_snap_name(rbd_dev, spec->snap_id);  in rbd_spec_fill_names()
4648 					u64 snap_id)  in rbd_dev_v2_snap_name()  argument
4663 	snapid = cpu_to_le64(snap_id);  in rbd_dev_v2_snap_name()
4681 		(unsigned long long)snap_id, snap_name);  in rbd_dev_v2_snap_name()
5460 	if (rbd_dev->spec->snap_id != CEPH_NOSNAP)  in do_rbd_add()