fs/nfsd/nfs4recover.c

152 legacy_recdir_name_error(struct nfs4_client *clp, int error)
165 		nfsd4_client_tracking_exit(clp->net);
170 __nfsd4_create_reclaim_record_grace(struct nfs4_client *clp,
189 	crp->cr_clp = clp;
193 nfsd4_create_clid_dir(struct nfs4_client *clp)
199 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
201 	if (test_and_set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
206 	status = nfs4_make_rec_clidname(dname, &clp->cl_name);
208 		return legacy_recdir_name_error(clp, status);
244 			__nfsd4_create_reclaim_record_grace(clp, dname,
386 nfsd4_remove_clid_dir(struct nfs4_client *clp)
391 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
393 	if (!nn->rec_file || !test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
396 	status = nfs4_make_rec_clidname(dname, &clp->cl_name);
398 		return legacy_recdir_name_error(clp, status);
403 	clear_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
676 nfsd4_check_legacy_client(struct nfs4_client *clp)
681 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
685 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
688 	status = nfs4_make_rec_clidname(dname, &clp->cl_name);
690 		legacy_recdir_name_error(clp, status);
705 		set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
706 		crp->cr_clp = clp;
1105 nfsd4_cld_create(struct nfs4_client *clp)
1109 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1113 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1123 	cup->cu_u.cu_msg.cm_u.cm_name.cn_len = clp->cl_name.len;
1124 	memcpy(cup->cu_u.cu_msg.cm_u.cm_name.cn_id, clp->cl_name.data,
1125 			clp->cl_name.len);
1130 		set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1142 nfsd4_cld_create_v2(struct nfs4_client *clp)
1146 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1154 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1165 	cmsg->cm_u.cm_clntinfo.cc_name.cn_len = clp->cl_name.len;
1166 	memcpy(cmsg->cm_u.cm_clntinfo.cc_name.cn_id, clp->cl_name.data,
1167 			clp->cl_name.len);
1168 	if (clp->cl_cred.cr_raw_principal)
1169 		principal = clp->cl_cred.cr_raw_principal;
1170 	else if (clp->cl_cred.cr_principal)
1171 		principal = clp->cl_cred.cr_principal;
1195 		set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1208 nfsd4_cld_remove(struct nfs4_client *clp)
1212 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1216 	if (!test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1226 	cup->cu_u.cu_msg.cm_u.cm_name.cn_len = clp->cl_name.len;
1227 	memcpy(cup->cu_u.cu_msg.cm_u.cm_name.cn_id, clp->cl_name.data,
1228 			clp->cl_name.len);
1233 		clear_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1250 nfsd4_cld_check_v0(struct nfs4_client *clp)
1254 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1258 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1269 	cup->cu_u.cu_msg.cm_u.cm_name.cn_len = clp->cl_name.len;
1270 	memcpy(cup->cu_u.cu_msg.cm_u.cm_name.cn_id, clp->cl_name.data,
1271 			clp->cl_name.len);
1276 		set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1290 nfsd4_cld_check(struct nfs4_client *clp)
1293 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1296 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1300 	crp = nfsd4_find_reclaim_client(clp->cl_name, nn);
1310 		status = nfs4_make_rec_clidname(dname, &clp->cl_name);
1330 	crp->cr_clp = clp;
1335 nfsd4_cld_check_v2(struct nfs4_client *clp)
1338 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1346 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1350 	crp = nfsd4_find_reclaim_client(clp->cl_name, nn);
1359 		status = nfs4_make_rec_clidname(dname, &clp->cl_name);
1380 		if (clp->cl_cred.cr_raw_principal)
1381 			principal = clp->cl_cred.cr_raw_principal;
1382 		else if (clp->cl_cred.cr_principal)
1383 			principal = clp->cl_cred.cr_principal;
1403 	crp->cr_clp = clp;
1761 nfsd4_cltrack_client_has_session(struct nfs4_client *clp)
1775 				clp->cl_minorversion ? 'Y' : 'N');
1889 nfsd4_cltrack_upcall_lock(struct nfs4_client *clp)
1891 	wait_on_bit_lock(&clp->cl_flags, NFSD4_CLIENT_UPCALL_LOCK,
1896 nfsd4_cltrack_upcall_unlock(struct nfs4_client *clp)
1899 	clear_bit(NFSD4_CLIENT_UPCALL_LOCK, &clp->cl_flags);
1901 	wake_up_bit(&clp->cl_flags, NFSD4_CLIENT_UPCALL_LOCK);
1905 nfsd4_umh_cltrack_create(struct nfs4_client *clp)
1908 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
1922 	if (clp->cl_minorversion == 0 &&
1923 	    test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1926 	hexid = bin_to_hex_dup(clp->cl_name.data, clp->cl_name.len);
1932 	has_session = nfsd4_cltrack_client_has_session(clp);
1935 	nfsd4_cltrack_upcall_lock(clp);
1937 		set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1938 	nfsd4_cltrack_upcall_unlock(clp);
1946 nfsd4_umh_cltrack_remove(struct nfs4_client *clp)
1950 	if (!test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1953 	hexid = bin_to_hex_dup(clp->cl_name.data, clp->cl_name.len);
1959 	nfsd4_cltrack_upcall_lock(clp);
1960 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags) &&
1962 		clear_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1963 	nfsd4_cltrack_upcall_unlock(clp);
1969 nfsd4_umh_cltrack_check(struct nfs4_client *clp)
1974 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
1977 	hexid = bin_to_hex_dup(clp->cl_name.data, clp->cl_name.len);
1983 	has_session = nfsd4_cltrack_client_has_session(clp);
1984 	legacy = nfsd4_cltrack_legacy_recdir(&clp->cl_name);
1986 	nfsd4_cltrack_upcall_lock(clp);
1987 	if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags)) {
1992 			set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
1994 	nfsd4_cltrack_upcall_unlock(clp);
2109 nfsd4_client_record_create(struct nfs4_client *clp)
2111 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
2114 		nn->client_tracking_ops->create(clp);
2118 nfsd4_client_record_remove(struct nfs4_client *clp)
2120 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
2123 		nn->client_tracking_ops->remove(clp);
2127 nfsd4_client_record_check(struct nfs4_client *clp)
2129 	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
2132 		return nn->client_tracking_ops->check(clp);