444 static int verify_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)  in verify_xattr_ref()  argument
454 	if (ref_flags(ref->node) != REF_UNCHECKED)  in verify_xattr_ref()
456 	offset = ref_offset(ref->node);  in verify_xattr_ref()
482 	ref->ino = je32_to_cpu(rr.ino);  in verify_xattr_ref()
483 	ref->xid = je32_to_cpu(rr.xid);  in verify_xattr_ref()
484 	ref->xseqno = je32_to_cpu(rr.xseqno);  in verify_xattr_ref()
485 	if (ref->xseqno > c->highest_xseqno)  in verify_xattr_ref()
486 		c->highest_xseqno = (ref->xseqno & ~XREF_DELETE_MARKER);  in verify_xattr_ref()
490 	for (raw=ref->node; raw != (void *)ref; raw=raw->next_in_ino) {  in verify_xattr_ref()
497 		raw->flash_offset = ref_offset(raw) | ((ref->node==raw) ? REF_PRISTINE : REF_NORMAL);  in verify_xattr_ref()
502 		  ref->ino, ref->xid, ref_offset(ref->node));  in verify_xattr_ref()
506 static int save_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)  in save_xattr_ref()  argument
520 	if (is_xattr_ref_dead(ref)) {  in save_xattr_ref()
522 		rr.ino = cpu_to_je32(ref->ino);  in save_xattr_ref()
523 		rr.xid = cpu_to_je32(ref->xid);  in save_xattr_ref()
525 		rr.ino = cpu_to_je32(ref->ic->ino);  in save_xattr_ref()
526 		rr.xid = cpu_to_je32(ref->xd->xid);  in save_xattr_ref()
542 	ref->xseqno = xseqno;  in save_xattr_ref()
543 	jffs2_add_physical_node_ref(c, phys_ofs | REF_PRISTINE, PAD(sizeof(rr)), (void *)ref);  in save_xattr_ref()
545 	dbg_xattr("success on saving xref (ino=%u, xid=%u)\n", ref->ic->ino, ref->xd->xid);  in save_xattr_ref()
554 	struct jffs2_xattr_ref *ref;  in create_xattr_ref()  local
557 	ref = jffs2_alloc_xattr_ref();  in create_xattr_ref()
558 	if (!ref)  in create_xattr_ref()
560 	ref->ic = ic;  in create_xattr_ref()
561 	ref->xd = xd;  in create_xattr_ref()
563 	ret = save_xattr_ref(c, ref);  in create_xattr_ref()
565 		jffs2_free_xattr_ref(ref);  in create_xattr_ref()
570 	ref->next = ic->xref;  in create_xattr_ref()
571 	ic->xref = ref;  in create_xattr_ref()
573 	return ref; /* success */  in create_xattr_ref()
576 static void delete_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)  in delete_xattr_ref()  argument
581 	xd = ref->xd;  in delete_xattr_ref()
582 	ref->xseqno |= XREF_DELETE_MARKER;  in delete_xattr_ref()
583 	ref->ino = ref->ic->ino;  in delete_xattr_ref()
584 	ref->xid = ref->xd->xid;  in delete_xattr_ref()
586 	ref->next = c->xref_dead_list;  in delete_xattr_ref()
587 	c->xref_dead_list = ref;  in delete_xattr_ref()
591 		  ref->ino, ref->xid, ref->xseqno);  in delete_xattr_ref()
600 	struct jffs2_xattr_ref *ref, *_ref;  in jffs2_xattr_delete_inode()  local
606 	for (ref = ic->xref; ref; ref = _ref) {  in jffs2_xattr_delete_inode()
607 		_ref = ref->next;  in jffs2_xattr_delete_inode()
608 		delete_xattr_ref(c, ref);  in jffs2_xattr_delete_inode()
618 	struct jffs2_xattr_ref *ref, *_ref;  in jffs2_xattr_free_inode()  local
621 	for (ref = ic->xref; ref; ref = _ref) {  in jffs2_xattr_free_inode()
622 		_ref = ref->next;  in jffs2_xattr_free_inode()
623 		xd = ref->xd;  in jffs2_xattr_free_inode()
628 		jffs2_free_xattr_ref(ref);  in jffs2_xattr_free_inode()
640 	struct jffs2_xattr_ref *ref, *cmp, **pref, **pcmp;  in check_xattr_ref_inode()  local
648 	for (ref=ic->xref, pref=&ic->xref; ref; pref=&ref->next, ref=ref->next) {  in check_xattr_ref_inode()
649 		if (!ref->xd->xname) {  in check_xattr_ref_inode()
650 			rc = load_xattr_datum(c, ref->xd);  in check_xattr_ref_inode()
652 				*pref = ref->next;  in check_xattr_ref_inode()
653 				delete_xattr_ref(c, ref);  in check_xattr_ref_inode()
658 		for (cmp=ref->next, pcmp=&ref->next; cmp; pcmp=&cmp->next, cmp=cmp->next) {  in check_xattr_ref_inode()
660 				ref->xd->flags |= JFFS2_XFLAGS_BIND;  in check_xattr_ref_inode()
662 				ref->xd->flags &= ~JFFS2_XFLAGS_BIND;  in check_xattr_ref_inode()
670 			if (ref->xd->xprefix == cmp->xd->xprefix  in check_xattr_ref_inode()
671 			    && !strcmp(ref->xd->xname, cmp->xd->xname)) {  in check_xattr_ref_inode()
672 				if (ref->xseqno > cmp->xseqno) {  in check_xattr_ref_inode()
676 					*pref = ref->next;  in check_xattr_ref_inode()
677 					delete_xattr_ref(c, ref);  in check_xattr_ref_inode()
743 	struct jffs2_xattr_ref *ref, *_ref;  in jffs2_clear_xattr_subsystem()  local
746 	for (ref=c->xref_temp; ref; ref = _ref) {  in jffs2_clear_xattr_subsystem()
747 		_ref = ref->next;  in jffs2_clear_xattr_subsystem()
748 		jffs2_free_xattr_ref(ref);  in jffs2_clear_xattr_subsystem()
751 	for (ref=c->xref_dead_list; ref; ref = _ref) {  in jffs2_clear_xattr_subsystem()
752 		_ref = ref->next;  in jffs2_clear_xattr_subsystem()
753 		jffs2_free_xattr_ref(ref);  in jffs2_clear_xattr_subsystem()
777 	struct jffs2_xattr_ref *ref, *_ref;  in jffs2_build_xattr_subsystem()  local
793 	for (ref=c->xref_temp; ref; ref=_ref) {  in jffs2_build_xattr_subsystem()
796 		_ref = ref->next;  in jffs2_build_xattr_subsystem()
797 		if (ref_flags(ref->node) != REF_PRISTINE) {  in jffs2_build_xattr_subsystem()
798 			if (verify_xattr_ref(c, ref)) {  in jffs2_build_xattr_subsystem()
799 				BUG_ON(ref->node->next_in_ino != (void *)ref);  in jffs2_build_xattr_subsystem()
800 				ref->node->next_in_ino = NULL;  in jffs2_build_xattr_subsystem()
801 				jffs2_mark_node_obsolete(c, ref->node);  in jffs2_build_xattr_subsystem()
802 				jffs2_free_xattr_ref(ref);  in jffs2_build_xattr_subsystem()
807 		i = (ref->ino ^ ref->xid) % XREF_TMPHASH_SIZE;  in jffs2_build_xattr_subsystem()
809 			if (tmp->ino == ref->ino && tmp->xid == ref->xid)  in jffs2_build_xattr_subsystem()
813 			raw = ref->node;  in jffs2_build_xattr_subsystem()
814 			if (ref->xseqno > tmp->xseqno) {  in jffs2_build_xattr_subsystem()
815 				tmp->xseqno = ref->xseqno;  in jffs2_build_xattr_subsystem()
822 			jffs2_free_xattr_ref(ref);  in jffs2_build_xattr_subsystem()
825 			ref->next = xref_tmphash[i];  in jffs2_build_xattr_subsystem()
826 			xref_tmphash[i] = ref;  in jffs2_build_xattr_subsystem()
833 		for (ref=xref_tmphash[i]; ref; ref=_ref) {  in jffs2_build_xattr_subsystem()
835 			_ref = ref->next;  in jffs2_build_xattr_subsystem()
836 			if (is_xattr_ref_dead(ref)) {  in jffs2_build_xattr_subsystem()
837 				ref->next = c->xref_dead_list;  in jffs2_build_xattr_subsystem()
838 				c->xref_dead_list = ref;  in jffs2_build_xattr_subsystem()
844 			xd = jffs2_find_xattr_datum(c, ref->xid);  in jffs2_build_xattr_subsystem()
845 			ic = jffs2_get_ino_cache(c, ref->ino);  in jffs2_build_xattr_subsystem()
848 					  ref->ino, ref->xid, ref->xseqno);  in jffs2_build_xattr_subsystem()
849 				ref->xseqno |= XREF_DELETE_MARKER;  in jffs2_build_xattr_subsystem()
850 				ref->next = c->xref_dead_list;  in jffs2_build_xattr_subsystem()
851 				c->xref_dead_list = ref;  in jffs2_build_xattr_subsystem()
855 			ref->xd = xd;  in jffs2_build_xattr_subsystem()
856 			ref->ic = ic;  in jffs2_build_xattr_subsystem()
858 			ref->next = ic->xref;  in jffs2_build_xattr_subsystem()
859 			ic->xref = ref;  in jffs2_build_xattr_subsystem()
972 	struct jffs2_xattr_ref *ref, **pref;  in jffs2_listxattr()  local
985 	for (ref=ic->xref, pref=&ic->xref; ref; pref=&ref->next, ref=ref->next) {  in jffs2_listxattr()
986 		BUG_ON(ref->ic != ic);  in jffs2_listxattr()
987 		xd = ref->xd;  in jffs2_listxattr()
998 					*pref = ref->next;  in jffs2_listxattr()
999 					delete_xattr_ref(c, ref);  in jffs2_listxattr()
1042 	struct jffs2_xattr_ref *ref, **pref;  in do_jffs2_getxattr()  local
1051 	for (ref=ic->xref, pref=&ic->xref; ref; pref=&ref->next, ref=ref->next) {  in do_jffs2_getxattr()
1052 		BUG_ON(ref->ic!=ic);  in do_jffs2_getxattr()
1054 		xd = ref->xd;  in do_jffs2_getxattr()
1067 					*pref = ref->next;  in do_jffs2_getxattr()
1068 					delete_xattr_ref(c, ref);  in do_jffs2_getxattr()
1104 	struct jffs2_xattr_ref *ref, *newref, **pref;  in do_jffs2_setxattr()  local
1123 	for (ref=ic->xref, pref=&ic->xref; ref; pref=&ref->next, ref=ref->next) {  in do_jffs2_setxattr()
1124 		xd = ref->xd;  in do_jffs2_setxattr()
1130 				*pref = ref->next;  in do_jffs2_setxattr()
1131 				delete_xattr_ref(c, ref);  in do_jffs2_setxattr()
1142 				ref->ino = ic->ino;  in do_jffs2_setxattr()
1143 				ref->xid = xd->xid;  in do_jffs2_setxattr()
1144 				ref->xseqno |= XREF_DELETE_MARKER;  in do_jffs2_setxattr()
1145 				rc = save_xattr_ref(c, ref);  in do_jffs2_setxattr()
1147 					*pref = ref->next;  in do_jffs2_setxattr()
1149 					ref->next = c->xref_dead_list;  in do_jffs2_setxattr()
1150 					c->xref_dead_list = ref;  in do_jffs2_setxattr()
1154 					ref->ic = ic;  in do_jffs2_setxattr()
1155 					ref->xd = xd;  in do_jffs2_setxattr()
1156 					ref->xseqno &= ~XREF_DELETE_MARKER;  in do_jffs2_setxattr()
1192 	if (ref)  in do_jffs2_setxattr()
1193 		*pref = ref->next;  in do_jffs2_setxattr()
1196 		if (ref) {  in do_jffs2_setxattr()
1197 			ref->next = ic->xref;  in do_jffs2_setxattr()
1198 			ic->xref = ref;  in do_jffs2_setxattr()
1202 	} else if (ref) {  in do_jffs2_setxattr()
1203 		delete_xattr_ref(c, ref);  in do_jffs2_setxattr()
1259 int jffs2_garbage_collect_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref,  in jffs2_garbage_collect_xattr_ref()  argument
1266 	BUG_ON(!ref->node);  in jffs2_garbage_collect_xattr_ref()
1268 	if (ref->node != raw)  in jffs2_garbage_collect_xattr_ref()
1270 	if (is_xattr_ref_dead(ref) && (raw->next_in_ino == (void *)ref))  in jffs2_garbage_collect_xattr_ref()
1273 	old_ofs = ref_offset(ref->node);  in jffs2_garbage_collect_xattr_ref()
1274 	totlen = ref_totlen(c, c->gcblock, ref->node);  in jffs2_garbage_collect_xattr_ref()
1282 	rc = save_xattr_ref(c, ref);  in jffs2_garbage_collect_xattr_ref()
1285 			  ref->ic->ino, ref->xd->xid, old_ofs, ref_offset(ref->node));  in jffs2_garbage_collect_xattr_ref()
1336 void jffs2_release_xattr_ref(struct jffs2_sb_info *c, struct jffs2_xattr_ref *ref)  in jffs2_release_xattr_ref()  argument
1341 	if (ref->node != (void *)ref)  in jffs2_release_xattr_ref()
1345 		if (ref == tmp) {  in jffs2_release_xattr_ref()
1350 	jffs2_free_xattr_ref(ref);  in jffs2_release_xattr_ref()