fs/tmpfs/tmpfs_vnops.c

83 	struct componentname *cnp = v->a_cnp;
92 	error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, cnp->cn_thread);
99 	    !(cnp->cn_flags & ISDOTDOT)));
106 	if (cnp->cn_flags & ISDOTDOT) {
108 		    dnode->tn_dir.tn_parent, cnp->cn_lkflags, vpp);
111 	} else if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
116 		de = tmpfs_dir_lookup(dnode, NULL, cnp);
118 			cnp->cn_flags |= ISWHITEOUT;
124 			if ((cnp->cn_flags & ISLASTCN) &&
125 			    (cnp->cn_nameiop == CREATE || \
126 			    cnp->cn_nameiop == RENAME ||
127 			    (cnp->cn_nameiop == DELETE &&
128 			    cnp->cn_flags & DOWHITEOUT &&
129 			    cnp->cn_flags & ISWHITEOUT))) {
130 				error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred,
131 				    cnp->cn_thread);
137 				cnp->cn_flags |= SAVENAME;
155 			    !(cnp->cn_flags & ISLASTCN)) {
163 			if ((cnp->cn_flags & ISLASTCN) &&
164 			    (cnp->cn_nameiop == DELETE ||
165 			    cnp->cn_nameiop == RENAME)) {
166 				error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred,
167 				    cnp->cn_thread);
173 				    cnp->cn_lkflags, vpp);
178 				  VOP_ACCESS(dvp, VADMIN, cnp->cn_cred, cnp->cn_thread) &&
179 				  VOP_ACCESS(*vpp, VADMIN, cnp->cn_cred, cnp->cn_thread)) {
185 				cnp->cn_flags |= SAVENAME;
188 				    cnp->cn_lkflags, vpp);
198 	if ((cnp->cn_flags & MAKEENTRY) != 0)
199 		cache_enter(dvp, *vpp, cnp);
214 	struct componentname *cnp = v->a_cnp;
220 	error = tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
221 	if (error == 0 && (cnp->cn_flags & MAKEENTRY) != 0)
222 		cache_enter(dvp, *vpp, cnp);
231 	struct componentname *cnp = v->a_cnp;
238 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
569 	struct componentname *cnp = v->a_cnp;
576 	MPASS(cnp->cn_flags & HASBUF);
596 	    cnp->cn_nameptr, cnp->cn_namelen, &de);
601 	if (cnp->cn_flags & ISWHITEOUT)
602 		tmpfs_dir_whiteout_remove(dvp, cnp);
1029 	struct componentname *cnp = v->a_cnp;
1034 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
1135 	struct componentname *cnp = v->a_cnp;
1145 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, target);
1366 	struct componentname *cnp = ap->a_cnp;
1373 		de = tmpfs_dir_lookup(VP_TO_TMPFS_DIR(dvp), NULL, cnp);
1376 		return (tmpfs_dir_whiteout_add(dvp, cnp));
1378 		tmpfs_dir_whiteout_remove(dvp, cnp);