fs/tmpfs/tmpfs_vnops.c

79 	struct componentname *cnp = v->a_cnp;
89 	error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, cnp->cn_thread);
96 	    !(cnp->cn_flags & ISDOTDOT)));
103 	if (cnp->cn_flags & ISDOTDOT) {
111 		    cnp->cn_lkflags, vpp);
115 	} else if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
120 		de = tmpfs_dir_lookup(dnode, NULL, cnp);
122 			cnp->cn_flags |= ISWHITEOUT;
128 			if ((cnp->cn_flags & ISLASTCN) &&
129 			    (cnp->cn_nameiop == CREATE || \
130 			    cnp->cn_nameiop == RENAME ||
131 			    (cnp->cn_nameiop == DELETE &&
132 			    cnp->cn_flags & DOWHITEOUT &&
133 			    cnp->cn_flags & ISWHITEOUT))) {
134 				error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred,
135 				    cnp->cn_thread);
141 				cnp->cn_flags |= SAVENAME;
159 			    !(cnp->cn_flags & ISLASTCN)) {
167 			if ((cnp->cn_flags & ISLASTCN) &&
168 			    (cnp->cn_nameiop == DELETE ||
169 			    cnp->cn_nameiop == RENAME)) {
170 				error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred,
171 				    cnp->cn_thread);
177 						cnp->cn_lkflags, vpp);
182 				  VOP_ACCESS(dvp, VADMIN, cnp->cn_cred, cnp->cn_thread) &&
183 				  VOP_ACCESS(*vpp, VADMIN, cnp->cn_cred, cnp->cn_thread)) {
189 				cnp->cn_flags |= SAVENAME;
192 						cnp->cn_lkflags, vpp);
200 	if ((cnp->cn_flags & MAKEENTRY) && cnp->cn_nameiop != CREATE)
201 		cache_enter(dvp, *vpp, cnp);
218 	struct componentname *cnp = v->a_cnp;
223 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
232 	struct componentname *cnp = v->a_cnp;
239 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
870 	struct componentname *cnp = v->a_cnp;
877 	MPASS(cnp->cn_flags & HASBUF);
912 	    cnp->cn_nameptr, cnp->cn_namelen, &de);
917 	if (cnp->cn_flags & ISWHITEOUT)
918 		tmpfs_dir_whiteout_remove(dvp, cnp);
1345 	struct componentname *cnp = v->a_cnp;
1350 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, NULL);
1455 	struct componentname *cnp = v->a_cnp;
1465 	return tmpfs_alloc_file(dvp, vpp, vap, cnp, target);
1732 	struct componentname *cnp = ap->a_cnp;
1739 		de = tmpfs_dir_lookup(VP_TO_TMPFS_DIR(dvp), NULL, cnp);
1742 		return (tmpfs_dir_whiteout_add(dvp, cnp));
1744 		tmpfs_dir_whiteout_remove(dvp, cnp);