fs/overlayfs/dir.c

141 		   struct dentry **newdentry, umode_t mode)
144 	struct dentry *d, *dentry = *newdentry;
166 	*newdentry = d;
172 			       struct dentry *newdentry, struct ovl_cattr *attr)
176 	if (IS_ERR(newdentry))
177 		return newdentry;
180 	if (newdentry->d_inode)
184 		err = ovl_do_link(ofs, attr->hardlink, dir, newdentry);
188 			err = ovl_do_create(ofs, dir, newdentry, attr->mode);
193 			err =  ovl_mkdir_real(ofs, dir, &newdentry, attr->mode);
200 			err = ovl_do_mknod(ofs, dir, newdentry, attr->mode,
205 			err = ovl_do_symlink(ofs, dir, newdentry, attr->link);
212 	if (!err && WARN_ON(!newdentry->d_inode)) {
221 		dput(newdentry);
224 	return newdentry;
263 			   struct dentry *newdentry, bool hardlink)
266 		.upperdentry = newdentry,
272 	ovl_dentry_init_reval(dentry, newdentry, NULL);
293 		WARN_ON(ovl_inode_real(inode) != d_inode(newdentry));
294 		dput(newdentry);
327 	struct dentry *newdentry;
334 	newdentry = ovl_create_real(ofs, udir,
338 	err = PTR_ERR(newdentry);
339 	if (IS_ERR(newdentry))
342 	if (ovl_type_merge(dentry->d_parent) && d_is_dir(newdentry) &&
345 		ovl_set_opaque(dentry, newdentry);
348 	err = ovl_instantiate(dentry, inode, newdentry, !!attr->hardlink);
356 	ovl_cleanup(ofs, udir, newdentry);
357 	dput(newdentry);
454 	struct dentry *newdentry;
483 	newdentry = ovl_create_temp(ofs, workdir, cattr);
484 	err = PTR_ERR(newdentry);
485 	if (IS_ERR(newdentry))
493 	    newdentry->d_inode->i_mode != cattr->mode) {
498 		inode_lock(newdentry->d_inode);
499 		err = ovl_do_notify_change(ofs, newdentry, &attr);
500 		inode_unlock(newdentry->d_inode);
505 		err = ovl_set_upper_acl(ofs, newdentry,
510 		err = ovl_set_upper_acl(ofs, newdentry,
517 		err = ovl_set_opaque(dentry, newdentry);
521 		err = ovl_do_rename(ofs, wdir, newdentry, udir, upper,
528 		err = ovl_do_rename(ofs, wdir, newdentry, udir, upper, 0);
532 	err = ovl_instantiate(dentry, inode, newdentry, hardlink);
534 		ovl_cleanup(ofs, udir, newdentry);
535 		dput(newdentry);
549 	ovl_cleanup(ofs, wdir, newdentry);
550 	dput(newdentry);
1074 	struct dentry *newdentry;
1198 	newdentry = ovl_lookup_upper(ofs, new->d_name.name, new_upperdir,
1200 	err = PTR_ERR(newdentry);
1201 	if (IS_ERR(newdentry))
1210 			if (newdentry != opaquedir)
1213 			if (!ovl_matches_upper(new, newdentry))
1217 		if (!d_is_negative(newdentry)) {
1218 			if (!new_opaque || !ovl_upper_is_whiteout(ofs, newdentry))
1228 	if (newdentry == trap)
1231 	if (olddentry->d_inode == newdentry->d_inode)
1246 		err = ovl_set_opaque_xerr(new, newdentry, -EXDEV);
1251 			    new_upperdir->d_inode, newdentry, flags);
1256 		ovl_cleanup(ofs, old_upperdir->d_inode, newdentry);
1276 	dput(newdentry);