fs/ecryptfs/inode.c

142 	int rc;
144 	rc = lock_parent(dentry, &lower_dentry, &lower_dir);
146 	if (!rc) {
148 			rc = -EINVAL;
150 			rc = vfs_unlink(&nop_mnt_idmap, lower_dir, lower_dentry,
153 	if (rc) {
154 		printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
163 	if (!rc)
165 	return rc;
184 	int rc;
189 	rc = lock_parent(ecryptfs_dentry, &lower_dentry, &lower_dir);
190 	if (!rc)
191 		rc = vfs_create(&nop_mnt_idmap, lower_dir,
193 	if (rc) {
195 		       "rc = [%d]\n", __func__, rc);
196 		inode = ERR_PTR(rc);
225 	int rc = 0;
233 	rc = ecryptfs_new_file_context(ecryptfs_inode);
234 	if (rc) {
236 				"context; rc = [%d]\n", rc);
239 	rc = ecryptfs_get_lower_file(ecryptfs_dentry, ecryptfs_inode);
240 	if (rc) {
243 			"[%pd]; rc = [%d]\n", __func__,
244 			ecryptfs_dentry, rc);
247 	rc = ecryptfs_write_metadata(ecryptfs_dentry, ecryptfs_inode);
248 	if (rc)
249 		printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc);
252 	return rc;
269 	int rc;
276 		rc = PTR_ERR(ecryptfs_inode);
281 	rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode);
282 	if (rc) {
290 	return rc;
296 	int rc;
298 	rc = ecryptfs_get_lower_file(dentry, inode);
299 	if (rc) {
302 			"[%pd]; rc = [%d]\n", __func__,
303 			dentry, rc);
304 		return rc;
312 	rc = ecryptfs_read_and_validate_header_region(inode);
314 	if (rc) {
315 		rc = ecryptfs_read_and_validate_xattr_region(dentry, inode);
316 		if (!rc)
333 	int rc = 0;
364 		printk(KERN_ERR "%s: Error interposing; rc = [%ld]\n",
369 		rc = ecryptfs_i_size_read(dentry, inode);
370 		if (rc) {
372 			return ERR_PTR(rc);
400 	int rc = 0;
407 		rc = ecryptfs_encrypt_and_encode_filename(
410 		if (rc) {
412 			       "filename; rc = [%d]\n", __func__, rc);
413 			return ERR_PTR(rc);
439 	int rc;
443 	rc = lock_parent(new_dentry, &lower_new_dentry, &lower_dir);
444 	if (!rc)
445 		rc = vfs_link(lower_old_dentry, &nop_mnt_idmap, lower_dir,
447 	if (rc || d_really_is_negative(lower_new_dentry))
449 	rc = ecryptfs_interpose(lower_new_dentry, new_dentry, dir->i_sb);
450 	if (rc)
459 	return rc;
471 	int rc;
478 	rc = lock_parent(dentry, &lower_dentry, &lower_dir);
479 	if (rc)
483 	rc = ecryptfs_encrypt_and_encode_filename(&encoded_symname,
487 	if (rc)
489 	rc = vfs_symlink(&nop_mnt_idmap, lower_dir, lower_dentry,
492 	if (rc || d_really_is_negative(lower_dentry))
494 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);
495 	if (rc)
503 	return rc;
509 	int rc;
513 	rc = lock_parent(dentry, &lower_dentry, &lower_dir);
514 	if (!rc)
515 		rc = vfs_mkdir(&nop_mnt_idmap, lower_dir,
517 	if (rc || d_really_is_negative(lower_dentry))
519 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);
520 	if (rc)
529 	return rc;
536 	int rc;
538 	rc = lock_parent(dentry, &lower_dentry, &lower_dir);
540 	if (!rc) {
542 			rc = -EINVAL;
544 			rc = vfs_rmdir(&nop_mnt_idmap, lower_dir, lower_dentry);
546 	if (!rc) {
553 	if (!rc)
555 	return rc;
562 	int rc;
566 	rc = lock_parent(dentry, &lower_dentry, &lower_dir);
567 	if (!rc)
568 		rc = vfs_mknod(&nop_mnt_idmap, lower_dir,
570 	if (rc || d_really_is_negative(lower_dentry))
572 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);
573 	if (rc)
581 	return rc;
589 	int rc;
613 	rc = -EINVAL;
625 		rc = -ENOTEMPTY;
635 	rc = vfs_rename(&rd);
636 	if (rc)
647 	return rc;
656 	int rc;
662 	rc = ecryptfs_decode_and_decrypt_filename(&buf, bufsiz, dentry->d_sb,
665 	if (rc)
666 		return ERR_PTR(rc);
739 	int rc = 0;
750 	rc = ecryptfs_get_lower_file(dentry, inode);
751 	if (rc)
752 		return rc;
763 		rc = ecryptfs_write(inode, zero,
784 				rc = -ENOMEM;
787 			rc = ecryptfs_write(inode, zeros_virt,
790 			if (rc) {
793 				       "reducing truncate; rc = [%d]\n", rc);
798 		rc = ecryptfs_write_inode_size_to_metadata(inode);
799 		if (rc) {
802 			       "rc = [%d]\n", rc);
819 	return rc;
858 	int rc;
860 	rc = ecryptfs_inode_newsize_ok(d_inode(dentry), new_length);
861 	if (rc)
862 		return rc;
864 	rc = truncate_upper(dentry, &ia, &lower_ia);
865 	if (!rc && lower_ia.ia_valid & ATTR_SIZE) {
869 		rc = notify_change(&nop_mnt_idmap, lower_dentry,
873 	return rc;
900 	int rc = 0;
909 		rc = ecryptfs_init_crypt_stat(crypt_stat);
910 		if (rc)
911 			return rc;
926 		rc = ecryptfs_get_lower_file(dentry, inode);
927 		if (rc) {
931 		rc = ecryptfs_read_metadata(dentry);
933 		if (rc) {
936 				rc = -EIO;
945 			rc = 0;
952 	rc = setattr_prepare(&nop_mnt_idmap, dentry, ia);
953 	if (rc)
956 		rc = ecryptfs_inode_newsize_ok(inode, ia->ia_size);
957 		if (rc)
965 		rc = truncate_upper(dentry, ia, &lower_ia);
966 		if (rc < 0)
978 	rc = notify_change(&nop_mnt_idmap, lower_dentry, &lower_ia, NULL);
982 	return rc;
991 	int rc = 0;
1005 			rc = PTR_ERR(target);
1008 	return rc;
1025 	int rc;
1027 	rc = ecryptfs_do_getattr(ecryptfs_dentry_to_lower_path(dentry),
1029 	if (!rc) {
1036 	return rc;
1044 	int rc;
1051 		rc = -EOPNOTSUPP;
1055 	rc = __vfs_setxattr_locked(&nop_mnt_idmap, lower_dentry, name, value, size, flags, NULL);
1057 	if (!rc && inode)
1060 	return rc;
1067 	int rc;
1070 		rc = -EOPNOTSUPP;
1074 	rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size);
1077 	return rc;
1092 	int rc = 0;
1097 		rc = -EOPNOTSUPP;
1101 	rc = d_inode(lower_dentry)->i_op->listxattr(lower_dentry, list, size);
1104 	return rc;
1110 	int rc;
1117 		rc = -EOPNOTSUPP;
1121 	rc = __vfs_removexattr(&nop_mnt_idmap, lower_dentry, name);
1124 	return rc;
1136 	int rc;
1138 	rc = vfs_fileattr_set(&nop_mnt_idmap, lower_dentry, fa);
1141 	return rc;
1155 	int rc;
1159 	rc = vfs_set_acl(&nop_mnt_idmap, lower_dentry,
1161 	if (!rc)
1163 	return rc;