fs/ext2fs/ext2_lookup.c

116 static int	ext2_is_dot_entry(struct componentname *cnp);
118 		    struct componentname *cnp, ino_t *dd_ino);
121 ext2_is_dot_entry(struct componentname *cnp)
123 	if (cnp->cn_namelen <= 2 && cnp->cn_nameptr[0] == '.' &&
124 	    (cnp->cn_nameptr[1] == '.' || cnp->cn_nameptr[1] == '0'))
270  * The cnp->cn_nameiop argument is LOOKUP, CREATE, RENAME, or DELETE depending
302 ext2_lookup_ino(struct vnode *vdp, struct vnode **vpp, struct componentname *cnp,
320 	struct ucred *cred = cnp->cn_cred;
321 	int flags = cnp->cn_flags;
322 	int nameiop = cnp->cn_nameiop;
353 		ss.slotneeded = EXT2_DIR_REC_LEN(cnp->cn_namelen);
356 			cnp->cn_namelen + 3) &~ 3; */
365 	if (!ext2_is_dot_entry(cnp) && ext2_htree_has_idx(dp)) {
368 		switch (ext2_htree_lookup(dp, cnp->cn_nameptr, cnp->cn_namelen,
437 				cnp->cn_nameptr, cnp->cn_namelen,
476 		if ((error = VOP_ACCESS(vdp, VWRITE, cred, cnp->cn_thread)) != 0)
511 		cnp->cn_flags |= SAVENAME;
517 	if ((cnp->cn_flags & MAKEENTRY) && nameiop != CREATE)
518 		cache_enter(vdp, NULL, cnp);
555 		if ((error = VOP_ACCESS(vdp, VWRITE, cred, cnp->cn_thread)) != 0)
607 		if ((error = VOP_ACCESS(vdp, VWRITE, cred, cnp->cn_thread)) != 0)
622 		cnp->cn_flags |= SAVENAME;
649 		error = vn_vget_ino(pdp, ino, cnp->cn_lkflags, &tdp);
662 		error = ext2_lookup_ino(pdp, NULL, cnp, &ino1);
678 		ltype = cnp->cn_lkflags & LK_TYPE_MASK;
687 		if ((error = VFS_VGET(vdp->v_mount, ino, cnp->cn_lkflags,
696 	if (cnp->cn_flags & MAKEENTRY)
697 		cache_enter(vdp, *vpp, cnp);
862 ext2_direnter(struct inode *ip, struct vnode *dvp, struct componentname *cnp)
873 	if ((cnp->cn_flags & SAVENAME) == 0)
878 	newdir.e2d_namlen = cnp->cn_namelen;
884 	bcopy(cnp->cn_nameptr, newdir.e2d_name, (unsigned)cnp->cn_namelen + 1);
888 		error = ext2_htree_add_entry(dvp, &newdir, cnp);
904 			return ext2_htree_create_index(dvp, cnp, &newdir);
927 		error = VOP_WRITE(dvp, &auio, IO_SYNC, cnp->cn_cred);
942 		    cnp->cn_cred, cnp->cn_thread);
1051 ext2_dirremove(struct vnode *dvp, struct componentname *cnp)
1099 ext2_dirrewrite(struct inode *dp, struct inode *ip, struct componentname *cnp)