57 #define __decode_and_drop_type(p, end, type, bad)		\  argument
59 		if (*p + sizeof(type) > end)			\
61 		*p += sizeof(type);				\
64 #define __decode_and_drop_set(p, end, type, bad)		\  argument
68 		ceph_decode_32_safe(p, end, n, bad);		\
70 		ceph_decode_need(p, end, need, bad);		\
71 		*p += need;					\
74 #define __decode_and_drop_map(p, end, ktype, vtype, bad)	\  argument
78 		ceph_decode_32_safe(p, end, n, bad);		\
80 		ceph_decode_need(p, end, need, bad);		\
81 		*p += need;					\
85 static int __decode_and_drop_compat_set(void **p, void* end)  in __decode_and_drop_compat_set()  argument
91 		ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad);  in __decode_and_drop_compat_set()
93 		*p += sizeof(u64);  in __decode_and_drop_compat_set()
95 		n = ceph_decode_32(p);  in __decode_and_drop_compat_set()
98 			ceph_decode_need(p, end, sizeof(u64) + sizeof(u32),  in __decode_and_drop_compat_set()
100 			*p += sizeof(u64);  in __decode_and_drop_compat_set()
101 			len = ceph_decode_32(p);  in __decode_and_drop_compat_set()
102 			ceph_decode_need(p, end, len, bad);  in __decode_and_drop_compat_set()
103 			*p += len;  in __decode_and_drop_compat_set()
117 struct ceph_mdsmap *ceph_mdsmap_decode(struct ceph_mds_client *mdsc, void **p,  in ceph_mdsmap_decode()  argument
121 	const void *start = *p;  in ceph_mdsmap_decode()
132 	ceph_decode_need(p, end, 1 + 1, bad);  in ceph_mdsmap_decode()
133 	mdsmap_v = ceph_decode_8(p);  in ceph_mdsmap_decode()
134 	*p += sizeof(u8);			/* mdsmap_cv */  in ceph_mdsmap_decode()
137 	       ceph_decode_32_safe(p, end, mdsmap_len, bad);  in ceph_mdsmap_decode()
138 	       if (end < *p + mdsmap_len)  in ceph_mdsmap_decode()
140 	       end = *p + mdsmap_len;  in ceph_mdsmap_decode()
143 	ceph_decode_need(p, end, 8*sizeof(u32) + sizeof(u64), bad);  in ceph_mdsmap_decode()
144 	m->m_epoch = ceph_decode_32(p);  in ceph_mdsmap_decode()
145 	m->m_client_epoch = ceph_decode_32(p);  in ceph_mdsmap_decode()
146 	m->m_last_failure = ceph_decode_32(p);  in ceph_mdsmap_decode()
147 	m->m_root = ceph_decode_32(p);  in ceph_mdsmap_decode()
148 	m->m_session_timeout = ceph_decode_32(p);  in ceph_mdsmap_decode()
149 	m->m_session_autoclose = ceph_decode_32(p);  in ceph_mdsmap_decode()
150 	m->m_max_file_size = ceph_decode_64(p);  in ceph_mdsmap_decode()
151 	m->m_max_mds = ceph_decode_32(p);  in ceph_mdsmap_decode()
159 	m->m_num_active_mds = n = ceph_decode_32(p);  in ceph_mdsmap_decode()
188 		ceph_decode_need(p, end, sizeof(u64) + 1, bad);  in ceph_mdsmap_decode()
189 		global_id = ceph_decode_64(p);  in ceph_mdsmap_decode()
190 		info_v= ceph_decode_8(p);  in ceph_mdsmap_decode()
193 			ceph_decode_need(p, end, 1 + sizeof(u32), bad);  in ceph_mdsmap_decode()
194 			*p += sizeof(u8);	/* info_cv */  in ceph_mdsmap_decode()
195 			info_len = ceph_decode_32(p);  in ceph_mdsmap_decode()
196 			info_end = *p + info_len;  in ceph_mdsmap_decode()
201 		ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad);  in ceph_mdsmap_decode()
202 		*p += sizeof(u64);  in ceph_mdsmap_decode()
203 		namelen = ceph_decode_32(p);  /* skip mds name */  in ceph_mdsmap_decode()
204 		*p += namelen;  in ceph_mdsmap_decode()
206 		ceph_decode_32_safe(p, end, mds, bad);  in ceph_mdsmap_decode()
207 		ceph_decode_32_safe(p, end, inc, bad);  in ceph_mdsmap_decode()
208 		ceph_decode_32_safe(p, end, state, bad);  in ceph_mdsmap_decode()
209 		*p += sizeof(u64);		/* state_seq */  in ceph_mdsmap_decode()
211 			err = ceph_decode_entity_addrvec(p, end, msgr2, &addr);  in ceph_mdsmap_decode()
213 			err = ceph_decode_entity_addr(p, end, &addr);  in ceph_mdsmap_decode()
217 		ceph_decode_copy_safe(p, end, &laggy_since, sizeof(laggy_since),  in ceph_mdsmap_decode()
220 		*p += sizeof(u32);  in ceph_mdsmap_decode()
221 		ceph_decode_32_safe(p, end, namelen, bad);  in ceph_mdsmap_decode()
222 		*p += namelen;  in ceph_mdsmap_decode()
224 			ceph_decode_32_safe(p, end, num_export_targets, bad);  in ceph_mdsmap_decode()
225 			pexport_targets = *p;  in ceph_mdsmap_decode()
226 			*p += num_export_targets * sizeof(u32);  in ceph_mdsmap_decode()
231 		if (info_end && *p != info_end) {  in ceph_mdsmap_decode()
232 			if (*p > info_end)  in ceph_mdsmap_decode()
234 			*p = info_end;  in ceph_mdsmap_decode()
275 	ceph_decode_32_safe(p, end, n, bad);  in ceph_mdsmap_decode()
280 	ceph_decode_need(p, end, sizeof(u64)*(n+1), bad);  in ceph_mdsmap_decode()
282 		m->m_data_pg_pools[i] = ceph_decode_64(p);  in ceph_mdsmap_decode()
283 	m->m_cas_pg_pool = ceph_decode_64(p);  in ceph_mdsmap_decode()
288 		ceph_decode_16_safe(p, end, mdsmap_ev, bad_ext);  in ceph_mdsmap_decode()
291 		if (__decode_and_drop_compat_set(p, end) < 0)  in ceph_mdsmap_decode()
296 		__decode_and_drop_type(p, end, u32, bad_ext);  in ceph_mdsmap_decode()
298 		__decode_and_drop_type(p, end, u64, bad_ext);  in ceph_mdsmap_decode()
302 	__decode_and_drop_type(p, end, struct ceph_timespec, bad_ext);  in ceph_mdsmap_decode()
303 	__decode_and_drop_type(p, end, struct ceph_timespec, bad_ext);  in ceph_mdsmap_decode()
304 	__decode_and_drop_type(p, end, u32, bad_ext);  in ceph_mdsmap_decode()
309 		ceph_decode_32_safe(p, end, n, bad_ext);  in ceph_mdsmap_decode()
310 		ceph_decode_need(p, end, sizeof(u32) * n, bad_ext);  in ceph_mdsmap_decode()
313 			s32 mds = ceph_decode_32(p);  in ceph_mdsmap_decode()
333 	__decode_and_drop_map(p, end, u32, u32, bad_ext);  in ceph_mdsmap_decode()
335 	__decode_and_drop_map(p, end, u32, u64, bad_ext);  in ceph_mdsmap_decode()
337 	__decode_and_drop_set(p, end, u32, bad_ext);  in ceph_mdsmap_decode()
339 	__decode_and_drop_set(p, end, u32, bad_ext);  in ceph_mdsmap_decode()
343 		__decode_and_drop_type(p, end, u32, bad_ext);  in ceph_mdsmap_decode()
347 		__decode_and_drop_type(p, end, u8, bad_ext);  in ceph_mdsmap_decode()
349 		__decode_and_drop_type(p, end, u8, bad_ext);  in ceph_mdsmap_decode()
353 		__decode_and_drop_type(p, end, u8, bad_ext);  in ceph_mdsmap_decode()
357 		ceph_decode_8_safe(p, end, m->m_enabled, bad_ext);  in ceph_mdsmap_decode()
359 		ceph_decode_skip_string(p, end, bad_ext);  in ceph_mdsmap_decode()
364 		ceph_decode_32_safe(p, end, n, bad_ext);  in ceph_mdsmap_decode()
366 		ceph_decode_need(p, end, need, bad_ext);  in ceph_mdsmap_decode()
367 		*p += need;  in ceph_mdsmap_decode()
374 		ceph_decode_skip_string(p, end, bad_ext);  in ceph_mdsmap_decode()
376 		ceph_decode_skip_32(p, end, bad_ext);  in ceph_mdsmap_decode()
378 		ceph_decode_skip_32(p, end, bad_ext);  in ceph_mdsmap_decode()
380 		ceph_decode_skip_8(p, end, bad_ext);  in ceph_mdsmap_decode()
382 		ceph_decode_skip_set(p, end, 64, bad_ext);  in ceph_mdsmap_decode()
384 		ceph_decode_skip_string(p, end, bad_ext);  in ceph_mdsmap_decode()
387 		ceph_decode_64_safe(p, end, m->m_max_xattr_size, bad_ext);  in ceph_mdsmap_decode()
392 	*p = end;  in ceph_mdsmap_decode()