fs/jffs2/xattr.c

448 	struct jffs2_raw_xref rr;
459 	rc = jffs2_flash_read(c, offset, sizeof(rr), &readlen, (char *)&rr);
460 	if (rc || sizeof(rr) != readlen) {
462 			      rc, sizeof(rr), readlen, offset);
466 	crc = crc32(0, &rr, sizeof(rr) - 4);
467 	if (crc != je32_to_cpu(rr.node_crc)) {
469 			    offset, je32_to_cpu(rr.node_crc), crc);
472 	if (je16_to_cpu(rr.magic) != JFFS2_MAGIC_BITMASK
473 	    || je16_to_cpu(rr.nodetype) != JFFS2_NODETYPE_XREF
474 	    || je32_to_cpu(rr.totlen) != PAD(sizeof(rr))) {
477 			    offset, je16_to_cpu(rr.magic), JFFS2_MAGIC_BITMASK,
478 			    je16_to_cpu(rr.nodetype), JFFS2_NODETYPE_XREF,
479 			    je32_to_cpu(rr.totlen), PAD(sizeof(rr)));
482 	ref->ino = je32_to_cpu(rr.ino);
483 	ref->xid = je32_to_cpu(rr.xid);
484 	ref->xseqno = je32_to_cpu(rr.xseqno);
509 	struct jffs2_raw_xref rr;
514 	rr.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
515 	rr.nodetype = cpu_to_je16(JFFS2_NODETYPE_XREF);
516 	rr.totlen = cpu_to_je32(PAD(sizeof(rr)));
517 	rr.hdr_crc = cpu_to_je32(crc32(0, &rr, sizeof(struct jffs2_unknown_node) - 4));
522 		rr.ino = cpu_to_je32(ref->ino);
523 		rr.xid = cpu_to_je32(ref->xid);
525 		rr.ino = cpu_to_je32(ref->ic->ino);
526 		rr.xid = cpu_to_je32(ref->xd->xid);
528 	rr.xseqno = cpu_to_je32(xseqno);
529 	rr.node_crc = cpu_to_je32(crc32(0, &rr, sizeof(rr) - 4));
531 	ret = jffs2_flash_write(c, phys_ofs, sizeof(rr), &length, (char *)&rr);
532 	if (ret || sizeof(rr) != length) {
534 			      ret, sizeof(rr), length, phys_ofs);
537 			jffs2_add_physical_node_ref(c, phys_ofs | REF_OBSOLETE, PAD(sizeof(rr)), NULL);
543 	jffs2_add_physical_node_ref(c, phys_ofs | REF_PRISTINE, PAD(sizeof(rr)), (void *)ref);