27 static struct dentry *ecryptfs_start_creating_dentry(struct dentry *dentry)  in ecryptfs_start_creating_dentry()  argument
29 	struct dentry *parent = dget_parent(dentry);  in ecryptfs_start_creating_dentry()
30 	struct dentry *ret;  in ecryptfs_start_creating_dentry()
33 				    ecryptfs_dentry_to_lower(dentry));  in ecryptfs_start_creating_dentry()
38 static struct dentry *ecryptfs_start_removing_dentry(struct dentry *dentry)  in ecryptfs_start_removing_dentry()  argument
40 	struct dentry *parent = dget_parent(dentry);  in ecryptfs_start_removing_dentry()
41 	struct dentry *ret;  in ecryptfs_start_removing_dentry()
44 				    ecryptfs_dentry_to_lower(dentry));  in ecryptfs_start_removing_dentry()
133 static int ecryptfs_interpose(struct dentry *lower_dentry,  in ecryptfs_interpose()
134 			      struct dentry *dentry, struct super_block *sb)  in ecryptfs_interpose()  argument
140 	d_instantiate(dentry, inode);  in ecryptfs_interpose()
145 static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry,  in ecryptfs_do_unlink()  argument
148 	struct dentry *lower_dentry;  in ecryptfs_do_unlink()
152 	lower_dentry = ecryptfs_start_removing_dentry(dentry);  in ecryptfs_do_unlink()
168 		d_drop(dentry);  in ecryptfs_do_unlink()
186 		   struct dentry *ecryptfs_dentry, umode_t mode)  in ecryptfs_do_create()
189 	struct dentry *lower_dentry;  in ecryptfs_do_create()
225 int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,  in ecryptfs_initialize_file()
270 		struct inode *directory_inode, struct dentry *ecryptfs_dentry,  in ecryptfs_create()
298 static int ecryptfs_i_size_read(struct dentry *dentry, struct inode *inode)  in ecryptfs_i_size_read()  argument
303 	rc = ecryptfs_get_lower_file(dentry, inode);  in ecryptfs_i_size_read()
308 			dentry, rc);  in ecryptfs_i_size_read()
320 		rc = ecryptfs_read_and_validate_xattr_region(dentry, inode);  in ecryptfs_i_size_read()
332 static struct dentry *ecryptfs_lookup_interpose(struct dentry *dentry,  in ecryptfs_lookup_interpose()  argument
333 				     struct dentry *lower_dentry)  in ecryptfs_lookup_interpose()
335 	struct dentry *lower_parent = ecryptfs_dentry_to_lower(dentry->d_parent);  in ecryptfs_lookup_interpose()
339 	fsstack_copy_attr_atime(d_inode(dentry->d_parent),  in ecryptfs_lookup_interpose()
343 	ecryptfs_set_dentry_lower(dentry, lower_dentry);  in ecryptfs_lookup_interpose()
355 		d_add(dentry, NULL);  in ecryptfs_lookup_interpose()
358 	inode = __ecryptfs_get_inode(lower_inode, dentry->d_sb);  in ecryptfs_lookup_interpose()
365 		rc = ecryptfs_i_size_read(dentry, inode);  in ecryptfs_lookup_interpose()
374 	return d_splice_alias(inode, dentry);  in ecryptfs_lookup_interpose()
386 static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,  in ecryptfs_lookup()
387 				      struct dentry *ecryptfs_dentry,  in ecryptfs_lookup()
392 	struct dentry *lower_dir_dentry, *lower_dentry;  in ecryptfs_lookup()
395 	struct dentry *res;  in ecryptfs_lookup()
430 static int ecryptfs_link(struct dentry *old_dentry, struct inode *dir,  in ecryptfs_link()
431 			 struct dentry *new_dentry)  in ecryptfs_link()
433 	struct dentry *lower_old_dentry;  in ecryptfs_link()
434 	struct dentry *lower_new_dentry;  in ecryptfs_link()
462 static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)  in ecryptfs_unlink()  argument
464 	return ecryptfs_do_unlink(dir, dentry, d_inode(dentry));  in ecryptfs_unlink()
468 			    struct inode *dir, struct dentry *dentry,  in ecryptfs_symlink()  argument
472 	struct dentry *lower_dentry;  in ecryptfs_symlink()
478 	lower_dentry = ecryptfs_start_creating_dentry(dentry);  in ecryptfs_symlink()
496 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_symlink()
503 	if (d_really_is_negative(dentry))  in ecryptfs_symlink()
504 		d_drop(dentry);  in ecryptfs_symlink()
508 static struct dentry *ecryptfs_mkdir(struct mnt_idmap *idmap, struct inode *dir,  in ecryptfs_mkdir()
509 				     struct dentry *dentry, umode_t mode)  in ecryptfs_mkdir()  argument
512 	struct dentry *lower_dentry;  in ecryptfs_mkdir()
513 	struct dentry *lower_dir_dentry;  in ecryptfs_mkdir()
516 	lower_dentry = ecryptfs_start_creating_dentry(dentry);  in ecryptfs_mkdir()
529 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_mkdir()
538 	if (d_really_is_negative(dentry))  in ecryptfs_mkdir()
539 		d_drop(dentry);  in ecryptfs_mkdir()
543 static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry)  in ecryptfs_rmdir()  argument
545 	struct dentry *lower_dentry;  in ecryptfs_rmdir()
549 	lower_dentry = ecryptfs_start_removing_dentry(dentry);  in ecryptfs_rmdir()
556 		clear_nlink(d_inode(dentry));  in ecryptfs_rmdir()
562 		d_drop(dentry);  in ecryptfs_rmdir()
568 	       struct dentry *dentry, umode_t mode, dev_t dev)  in ecryptfs_mknod()  argument
571 	struct dentry *lower_dentry;  in ecryptfs_mknod()
574 	lower_dentry = ecryptfs_start_creating_dentry(dentry);  in ecryptfs_mknod()
582 	rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb);  in ecryptfs_mknod()
589 	if (d_really_is_negative(dentry))  in ecryptfs_mknod()
590 		d_drop(dentry);  in ecryptfs_mknod()
596 		struct dentry *old_dentry, struct inode *new_dir,  in ecryptfs_rename()
597 		struct dentry *new_dentry, unsigned int flags)  in ecryptfs_rename()
600 	struct dentry *lower_old_dentry;  in ecryptfs_rename()
601 	struct dentry *lower_new_dentry;  in ecryptfs_rename()
602 	struct dentry *lower_old_dir_dentry;  in ecryptfs_rename()
603 	struct dentry *lower_new_dir_dentry;  in ecryptfs_rename()
639 static char *ecryptfs_readlink_lower(struct dentry *dentry, size_t *bufsiz)  in ecryptfs_readlink_lower()  argument
642 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_readlink_lower()
651 	rc = ecryptfs_decode_and_decrypt_filename(&buf, bufsiz, dentry->d_sb,  in ecryptfs_readlink_lower()
660 static const char *ecryptfs_get_link(struct dentry *dentry,  in ecryptfs_get_link()  argument
667 	if (!dentry)  in ecryptfs_get_link()
670 	buf = ecryptfs_readlink_lower(dentry, &len);  in ecryptfs_get_link()
673 	fsstack_copy_attr_atime(d_inode(dentry),  in ecryptfs_get_link()
674 				d_inode(ecryptfs_dentry_to_lower(dentry)));  in ecryptfs_get_link()
725 static int truncate_upper(struct dentry *dentry, struct iattr *ia,  in truncate_upper()  argument
729 	struct inode *inode = d_inode(dentry);  in truncate_upper()
739 	rc = ecryptfs_get_lower_file(dentry, inode);  in truncate_upper()
742 	crypt_stat = &ecryptfs_inode_to_private(d_inode(dentry))->crypt_stat;  in truncate_upper()
843 int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)  in ecryptfs_truncate()  argument
849 	rc = ecryptfs_inode_newsize_ok(d_inode(dentry), new_length);  in ecryptfs_truncate()
853 	rc = truncate_upper(dentry, &ia, &lower_ia);  in ecryptfs_truncate()
855 		struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_truncate()
887 			    struct dentry *dentry, struct iattr *ia)  in ecryptfs_setattr()  argument
890 	struct dentry *lower_dentry;  in ecryptfs_setattr()
896 	crypt_stat = &ecryptfs_inode_to_private(d_inode(dentry))->crypt_stat;  in ecryptfs_setattr()
899 	inode = d_inode(dentry);  in ecryptfs_setattr()
901 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_setattr()
903 	if (d_is_dir(dentry))  in ecryptfs_setattr()
905 	else if (d_is_reg(dentry)  in ecryptfs_setattr()
911 			dentry->d_sb)->mount_crypt_stat;  in ecryptfs_setattr()
912 		rc = ecryptfs_get_lower_file(dentry, inode);  in ecryptfs_setattr()
917 		rc = ecryptfs_read_metadata(dentry);  in ecryptfs_setattr()
938 	rc = setattr_prepare(&nop_mnt_idmap, dentry, ia);  in ecryptfs_setattr()
951 		rc = truncate_upper(dentry, ia, &lower_ia);  in ecryptfs_setattr()
975 	struct dentry *dentry = path->dentry;  in ecryptfs_getattr_link()  local
980 						dentry->d_sb)->mount_crypt_stat;  in ecryptfs_getattr_link()
981 	generic_fillattr(&nop_mnt_idmap, request_mask, d_inode(dentry), stat);  in ecryptfs_getattr_link()
986 		target = ecryptfs_readlink_lower(dentry, &targetsiz);  in ecryptfs_getattr_link()
1001 	struct dentry *dentry = path->dentry;  in ecryptfs_getattr()  local
1003 	struct path lower_path = ecryptfs_lower_path(dentry);  in ecryptfs_getattr()
1008 		fsstack_copy_attr_all(d_inode(dentry),  in ecryptfs_getattr()
1009 				      ecryptfs_inode_to_lower(d_inode(dentry)));  in ecryptfs_getattr()
1011 				 d_inode(dentry), stat);  in ecryptfs_getattr()
1018 ecryptfs_setxattr(struct dentry *dentry, struct inode *inode,  in ecryptfs_setxattr()  argument
1023 	struct dentry *lower_dentry;  in ecryptfs_setxattr()
1026 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_setxattr()
1042 ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode,  in ecryptfs_getxattr_lower()
1059 ecryptfs_getxattr(struct dentry *dentry, struct inode *inode,  in ecryptfs_getxattr()  argument
1062 	return ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry),  in ecryptfs_getxattr()
1068 ecryptfs_listxattr(struct dentry *dentry, char *list, size_t size)  in ecryptfs_listxattr()  argument
1071 	struct dentry *lower_dentry;  in ecryptfs_listxattr()
1073 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_listxattr()
1085 static int ecryptfs_removexattr(struct dentry *dentry, struct inode *inode,  in ecryptfs_removexattr()  argument
1089 	struct dentry *lower_dentry;  in ecryptfs_removexattr()
1092 	lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_removexattr()
1105 static int ecryptfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa)  in ecryptfs_fileattr_get()  argument
1107 	return vfs_fileattr_get(ecryptfs_dentry_to_lower(dentry), fa);  in ecryptfs_fileattr_get()
1111 				 struct dentry *dentry, struct file_kattr *fa)  in ecryptfs_fileattr_set()  argument
1113 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_fileattr_set()
1117 	fsstack_copy_attr_all(d_inode(dentry), d_inode(lower_dentry));  in ecryptfs_fileattr_set()
1123 					  struct dentry *dentry, int type)  in ecryptfs_get_acl()  argument
1125 	return vfs_get_acl(idmap, ecryptfs_dentry_to_lower(dentry),  in ecryptfs_get_acl()
1130 			    struct dentry *dentry, struct posix_acl *acl,  in ecryptfs_set_acl()  argument
1134 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);  in ecryptfs_set_acl()
1140 		fsstack_copy_attr_all(d_inode(dentry), lower_inode);  in ecryptfs_set_acl()
1183 			      struct dentry *dentry, struct inode *inode,  in ecryptfs_xattr_get()  argument
1186 	return ecryptfs_getxattr(dentry, inode, name, buffer, size);  in ecryptfs_xattr_get()
1191 			      struct dentry *dentry, struct inode *inode,  in ecryptfs_xattr_set()  argument
1196 		return ecryptfs_setxattr(dentry, inode, name, value, size, flags);  in ecryptfs_xattr_set()
1199 		return ecryptfs_removexattr(dentry, inode, name);  in ecryptfs_xattr_set()