142 	struct logfs_journal_header *jh = from;  in unpack()  local
147 	inlen = be16_to_cpu(jh->h_len);  in unpack()
148 	outlen = be16_to_cpu(jh->h_datalen);  in unpack()
150 	if (jh->h_compr == COMPR_NONE)  in unpack()
160 		struct logfs_journal_header *jh)  in __read_je_header()  argument
169 	err = wbuf_read(sb, ofs, sizeof(*jh), jh);  in __read_je_header()
172 	type = be16_to_cpu(jh->h_type);  in __read_je_header()
173 	len = be16_to_cpu(jh->h_len);  in __read_je_header()
174 	datalen = be16_to_cpu(jh->h_datalen);  in __read_je_header()
185 		struct logfs_journal_header *jh)  in __read_je_payload()  argument
190 	len = be16_to_cpu(jh->h_len);  in __read_je_payload()
191 	err = wbuf_read(sb, ofs + sizeof(*jh), len, jh + 1);  in __read_je_payload()
194 	if (jh->h_crc != logfs_crc32(jh, len + sizeof(*jh), 4)) {  in __read_je_payload()
200 		if (jh->h_crc == logfs_crc32(jh, len, 4))  in __read_je_payload()
212 		struct logfs_journal_header *jh)  in __read_je()  argument
216 	err = __read_je_header(sb, ofs, jh);  in __read_je()
219 	return __read_je_payload(sb, ofs, jh);  in __read_je()
225 	struct logfs_journal_header *jh = super->s_compressed_je;  in read_je()  local
230 	err = __read_je(sb, ofs, jh);  in read_je()
233 	type = be16_to_cpu(jh->h_type);  in read_je()
234 	datalen = be16_to_cpu(jh->h_datalen);  in read_je()
238 		read_dynsb(sb, unpack(jh, scratch));  in read_je()
241 		read_anchor(sb, unpack(jh, scratch));  in read_je()
244 		read_erasecount(sb, unpack(jh, scratch));  in read_je()
247 		err = read_area(sb, unpack(jh, scratch));  in read_je()
250 		err = logfs_load_object_aliases(sb, unpack(jh, scratch),  in read_je()
263 	struct logfs_journal_header *jh = super->s_compressed_je;  in logfs_read_segment()  local
270 	for (h_ofs = 0; h_ofs < super->s_segsize; h_ofs += sizeof(*jh)) {  in logfs_read_segment()
272 		err = __read_je_header(sb, ofs, jh);  in logfs_read_segment()
275 		if (jh->h_type != cpu_to_be16(JE_COMMIT))  in logfs_read_segment()
277 		err = __read_je_payload(sb, ofs, jh);  in logfs_read_segment()
280 		len = be16_to_cpu(jh->h_len);  in logfs_read_segment()
281 		datalen = be16_to_cpu(jh->h_datalen);  in logfs_read_segment()
287 		h_ofs += ALIGN(len, sizeof(*jh)) - sizeof(*jh);  in logfs_read_segment()
294 	err = __read_je(sb, ofs, jh);  in logfs_read_segment()
299 	unpack(jh, super->s_je_array);  in logfs_read_segment()
421 		struct logfs_journal_header *jh, size_t len, size_t datalen,  in __logfs_write_header()  argument
424 	jh->h_len	= cpu_to_be16(len);  in __logfs_write_header()
425 	jh->h_type	= cpu_to_be16(type);  in __logfs_write_header()
426 	jh->h_datalen	= cpu_to_be16(datalen);  in __logfs_write_header()
427 	jh->h_compr	= compr;  in __logfs_write_header()
428 	jh->h_pad[0]	= 'H';  in __logfs_write_header()
429 	jh->h_pad[1]	= 'E';  in __logfs_write_header()
430 	jh->h_pad[2]	= 'A';  in __logfs_write_header()
431 	jh->h_pad[3]	= 'D';  in __logfs_write_header()
432 	jh->h_pad[4]	= 'R';  in __logfs_write_header()
433 	jh->h_crc	= logfs_crc32(jh, len + sizeof(*jh), 4);  in __logfs_write_header()
434 	return ALIGN(len, 16) + sizeof(*jh);  in __logfs_write_header()
438 		struct logfs_journal_header *jh, size_t datalen, u16 type)  in logfs_write_header()  argument
442 	return __logfs_write_header(super, jh, len, datalen, type, COMPR_NONE);  in logfs_write_header()
655 	struct logfs_journal_header *jh = super->s_compressed_je;  in logfs_write_je_buf()  local
661 	if (jh->h_type == cpu_to_be16(JE_COMMIT))  in logfs_write_je_buf()