fscrypt_require

函数名称：scrypt_require_key - require an inode's encryption key*@inode: the inode we need the key for* If the inode is encrypted, set up its encryption key if not already done

函数原型：static inline int fscrypt_require_key(struct inode *inode)

返回类型：int

参数：

类型	参数	名称
struct inode *	inode

**调用者**
名称	描述
fscrypt_file_open	scrypt_file_open - prepare to open a possibly-encrypted regular file@inode: the inode being opened@filp: the struct file being set up* Currently, an encrypted regular file can only be opened if its encryption key
__fscrypt_prepare_link
__fscrypt_prepare_rename
__fscrypt_encrypt_symlink
fscrypt_prepare_setattr	scrypt_prepare_setattr - prepare to change a possibly-encrypted inode's attributes@dentry: dentry through which the inode is being changed@attr: attributes to change* Prepare for ->setattr() on a possibly-encrypted inode. On an encrypted file,

函数逻辑报告