fs/crypto/fscrypt_private.h

57  * fscrypt_context - the encryption context of an inode
171 			  const struct inode *inode)
173 	return policy->log2_data_unit_size ?: inode->i_blkbits;
178 		       const struct inode *inode)
182 		return inode->i_blkbits;
184 		return fscrypt_policy_v2_du_bits(&policy->v2, inode);
213  * fscrypt_inode_info - the "encryption key" for an inode
217  * inode is evicted.
229 	 * True if this inode will use inline encryption (blk-crypto) instead of
248 	/* Hashed inode number.  Only set for IV_INO_LBLK_32 */
252 	 * Encryption mode used for this inode.  It corresponds to either the
253 	 * contents or filenames encryption mode, depending on the inode type.
257 	/* Back-pointer to the inode */
258 	struct inode *ci_inode;
261 	 * The master key with which this inode was unlocked (decrypted).  This
280 	 * This inode's hash key for filenames.  This is a 128-bit SipHash-2-4
286 	/* The encryption policy used by this inode */
289 	/* This inode's nonce, copied from the fscrypt_context */
309 fscrypt_msg(const struct inode *inode, const char *level, const char *fmt, ...);
311 #define fscrypt_warn(inode, fmt, ...)		\
312 	fscrypt_msg((inode), KERN_WARNING, fmt, ##__VA_ARGS__)
313 #define fscrypt_err(inode, fmt, ...)		\
314 	fscrypt_msg((inode), KERN_ERR, fmt, ##__VA_ARGS__)
522 	 * one active ref for each inode in ->mk_decrypted_inodes.
579 	/* Hash key for inode numbers.  Initialized only when needed. */
669 int fscrypt_get_encryption_info(struct inode *inode, bool allow_unsupported);
672  * fscrypt_require_key() - require an inode's encryption key
673  * @inode: the inode we need the key for
675  * If the inode is encrypted, set up its encryption key if not already done.
678  * No locks are needed, and the key will live as long as the struct inode --- so
684 static inline int fscrypt_require_key(struct inode *inode)
686 	if (IS_ENCRYPTED(inode)) {
687 		int err = fscrypt_get_encryption_info(inode, false);
691 		if (!fscrypt_has_encryption_key(inode))
715 			      const struct inode *inode);
719 const union fscrypt_policy *fscrypt_policy_to_inherit(struct inode *dir);