fs/jffs2/gc.c

762 	struct jffs2_raw_inode ri;
796 	ret = jffs2_reserve_space_gc(c, sizeof(ri) + mdatalen, &alloclen,
800 			sizeof(ri) + mdatalen, ret);
812 	memset(&ri, 0, sizeof(ri));
813 	ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
814 	ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
815 	ri.totlen = cpu_to_je32(sizeof(ri) + mdatalen);
816 	ri.hdr_crc = cpu_to_je32(crc32(0, &ri, sizeof(struct jffs2_unknown_node)-4));
818 	ri.ino = cpu_to_je32(f->inocache->ino);
819 	ri.version = cpu_to_je32(++f->highest_version);
820 	ri.mode = cpu_to_jemode(JFFS2_F_I_MODE(f));
821 	ri.uid = cpu_to_je16(JFFS2_F_I_UID(f));
822 	ri.gid = cpu_to_je16(JFFS2_F_I_GID(f));
823 	ri.isize = cpu_to_je32(ilen);
824 	ri.atime = cpu_to_je32(JFFS2_F_I_ATIME(f));
825 	ri.ctime = cpu_to_je32(JFFS2_F_I_CTIME(f));
826 	ri.mtime = cpu_to_je32(JFFS2_F_I_MTIME(f));
827 	ri.offset = cpu_to_je32(0);
828 	ri.csize = cpu_to_je32(mdatalen);
829 	ri.dsize = cpu_to_je32(mdatalen);
830 	ri.compr = JFFS2_COMPR_NONE;
831 	ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
832 	ri.data_crc = cpu_to_je32(crc32(0, mdata, mdatalen));
834 	new_fn = jffs2_write_dnode(c, f, &ri, mdata, mdatalen, ALLOC_GC);
1017 	struct jffs2_raw_inode ri;
1026 	memset(&ri, 0, sizeof(ri));
1033 		ret = jffs2_flash_read(c, ref_offset(fn->raw), sizeof(ri), &readlen, (char *)&ri);
1034 		if (readlen != sizeof(ri) || ret) {
1039 		if (je16_to_cpu(ri.nodetype) != JFFS2_NODETYPE_INODE) {
1042 				je16_to_cpu(ri.nodetype), JFFS2_NODETYPE_INODE);
1045 		if (je32_to_cpu(ri.totlen) != sizeof(ri)) {
1048 				je32_to_cpu(ri.totlen), sizeof(ri));
1051 		crc = crc32(0, &ri, sizeof(ri)-8);
1052 		if (crc != je32_to_cpu(ri.node_crc)) {
1055 				je32_to_cpu(ri.node_crc), crc);
1061 		if (ri.compr != JFFS2_COMPR_ZERO) {
1070 		ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
1071 		ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
1072 		ri.totlen = cpu_to_je32(sizeof(ri));
1073 		ri.hdr_crc = cpu_to_je32(crc32(0, &ri, sizeof(struct jffs2_unknown_node)-4));
1075 		ri.ino = cpu_to_je32(f->inocache->ino);
1076 		ri.version = cpu_to_je32(++f->highest_version);
1077 		ri.offset = cpu_to_je32(start);
1078 		ri.dsize = cpu_to_je32(end - start);
1079 		ri.csize = cpu_to_je32(0);
1080 		ri.compr = JFFS2_COMPR_ZERO;
1091 	ri.mode = cpu_to_jemode(JFFS2_F_I_MODE(f));
1092 	ri.uid = cpu_to_je16(JFFS2_F_I_UID(f));
1093 	ri.gid = cpu_to_je16(JFFS2_F_I_GID(f));
1094 	ri.isize = cpu_to_je32(ilen);
1095 	ri.atime = cpu_to_je32(JFFS2_F_I_ATIME(f));
1096 	ri.ctime = cpu_to_je32(JFFS2_F_I_CTIME(f));
1097 	ri.mtime = cpu_to_je32(JFFS2_F_I_MTIME(f));
1098 	ri.data_crc = cpu_to_je32(0);
1099 	ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
1101 	ret = jffs2_reserve_space_gc(c, sizeof(ri), &alloclen,
1105 			sizeof(ri), ret);
1108 	new_fn = jffs2_write_dnode(c, f, &ri, NULL, 0, ALLOC_GC);
1114 	if (je32_to_cpu(ri.version) == f->highest_version) {
1132 				__func__, fn->frags, je32_to_cpu(ri.version),
1133 				f->highest_version, je32_to_cpu(ri.ino));
1170 	struct jffs2_raw_inode ri;
1177 	memset(&ri, 0, sizeof(ri));
1347 		ret = jffs2_reserve_space_gc(c, sizeof(ri) + JFFS2_MIN_DATA_LEN,
1352 				sizeof(ri) + JFFS2_MIN_DATA_LEN, ret);
1355 		cdatalen = min_t(uint32_t, alloclen - sizeof(ri), end - offset);
1362 		ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
1363 		ri.nodetype = cpu_to_je16(JFFS2_NODETYPE_INODE);
1364 		ri.totlen = cpu_to_je32(sizeof(ri) + cdatalen);
1365 		ri.hdr_crc = cpu_to_je32(crc32(0, &ri, sizeof(struct jffs2_unknown_node)-4));
1367 		ri.ino = cpu_to_je32(f->inocache->ino);
1368 		ri.version = cpu_to_je32(++f->highest_version);
1369 		ri.mode = cpu_to_jemode(JFFS2_F_I_MODE(f));
1370 		ri.uid = cpu_to_je16(JFFS2_F_I_UID(f));
1371 		ri.gid = cpu_to_je16(JFFS2_F_I_GID(f));
1372 		ri.isize = cpu_to_je32(JFFS2_F_I_SIZE(f));
1373 		ri.atime = cpu_to_je32(JFFS2_F_I_ATIME(f));
1374 		ri.ctime = cpu_to_je32(JFFS2_F_I_CTIME(f));
1375 		ri.mtime = cpu_to_je32(JFFS2_F_I_MTIME(f));
1376 		ri.offset = cpu_to_je32(offset);
1377 		ri.csize = cpu_to_je32(cdatalen);
1378 		ri.dsize = cpu_to_je32(datalen);
1379 		ri.compr = comprtype & 0xff;
1380 		ri.usercompr = (comprtype >> 8) & 0xff;
1381 		ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
1382 		ri.data_crc = cpu_to_je32(crc32(0, comprbuf, cdatalen));
1384 		new_fn = jffs2_write_dnode(c, f, &ri, comprbuf, cdatalen, ALLOC_GC);