bsd/hfs/hfs_link.c

737 	/* Purge any cached origin entries for a directory or file hard link. */
1047  * Cache the origin of a directory or file hard link
1055 	linkorigin_t *origin = NULL;
1060 	 *  Look for an existing origin first.  If not found, create/steal one.
1062 	TAILQ_FOREACH(origin, &cp->c_originlist, lo_link) {
1064 		if (origin->lo_thread == thread) {
1065 			TAILQ_REMOVE(&cp->c_originlist, origin, lo_link);
1069 	if (origin == NULL) {
1072 			origin = TAILQ_LAST(&cp->c_originlist, hfs_originhead);
1073 			TAILQ_REMOVE(&cp->c_originlist, origin, lo_link);
1075 			MALLOC(origin, linkorigin_t *, sizeof(linkorigin_t), M_TEMP, M_WAITOK);
1077 		origin->lo_thread = thread;
1079 	origin->lo_cnid = cp->c_cnid;
1080 	origin->lo_parentcnid = parentcnid;
1081 	TAILQ_INSERT_HEAD(&cp->c_originlist, origin, lo_link);
1093 	linkorigin_t *origin, *prev;
1095 	TAILQ_FOREACH_SAFE(origin, &cp->c_originlist, lo_link, prev) {
1096 		FREE(origin, M_TEMP);
1102  * Release a specific origin for a directory or file hard link
1110 	linkorigin_t *origin, *prev;
1113 	TAILQ_FOREACH_SAFE(origin, &cp->c_originlist, lo_link, prev) {
1114 		if ((origin->lo_thread == thread) ||
1115 		    (origin->lo_parentcnid == parentcnid)) {
1116 			TAILQ_REMOVE(&cp->c_originlist, origin, lo_link);
1117 			FREE(origin, M_TEMP);
1124  * Test if a directory or file hard link has a cached origin
1133 		linkorigin_t *origin;
1136 		TAILQ_FOREACH(origin, &cp->c_originlist, lo_link) {
1137 			if (origin->lo_thread == thread) {
1155 		linkorigin_t *origin;
1158 		TAILQ_FOREACH(origin, &cp->c_originlist, lo_link) {
1159 			if (origin->lo_thread == thread) {
1160 				return (origin->lo_parentcnid);
1177 		linkorigin_t *origin;
1180 		TAILQ_FOREACH(origin, &cp->c_originlist, lo_link) {
1181 			if (origin->lo_thread == thread) {
1182 				return (origin->lo_cnid);