fscrypt: remove fscrypt_inherit_context()

}

EXPORT_SYMBOL(fscrypt_has_permitted_context);

/**

 * fscrypt_inherit_context() - Sets a child context from its parent

 * @parent: Parent inode from which the context is inherited.

 * @child:  Child inode that inherits the context from @parent.

 * @fs_data:  private data given by FS.

 * @preload:  preload child i_crypt_info if true

 *

 * Return: 0 on success, -errno on failure

 */

int fscrypt_inherit_context(struct inode *parent, struct inode *child,

						void *fs_data, bool preload)

{

	u8 nonce[FSCRYPT_FILE_NONCE_SIZE];

	union fscrypt_context ctx;

	int ctxsize;

	struct fscrypt_info *ci;

	int res;

	res = fscrypt_get_encryption_info(parent);

	if (res < 0)

		return res;

	ci = fscrypt_get_info(parent);

	if (ci == NULL)

		return -ENOKEY;

	get_random_bytes(nonce, FSCRYPT_FILE_NONCE_SIZE);

	ctxsize = fscrypt_new_context(&ctx, &ci->ci_policy, nonce);

	BUILD_BUG_ON(sizeof(ctx) != FSCRYPT_SET_CONTEXT_MAX_SIZE);

	res = parent->i_sb->s_cop->set_context(child, &ctx, ctxsize, fs_data);

	if (res)

		return res;

	return preload ? fscrypt_get_encryption_info(child): 0;

}

EXPORT_SYMBOL(fscrypt_inherit_context);

/**

 * fscrypt_set_context() - Set the fscrypt context of a new inode

 * @inode: a new inode

int fscrypt_ioctl_get_policy_ex(struct file *filp, void __user *arg);

int fscrypt_ioctl_get_nonce(struct file *filp, void __user *arg);

int fscrypt_has_permitted_context(struct inode *parent, struct inode *child);

int fscrypt_inherit_context(struct inode *parent, struct inode *child,

			    void *fs_data, bool preload);

int fscrypt_set_context(struct inode *inode, void *fs_data);

struct fscrypt_dummy_context {

	return 0;

}

static inline int fscrypt_inherit_context(struct inode *parent,

					  struct inode *child,

					  void *fs_data, bool preload)

{

	return -EOPNOTSUPP;

}

static inline int fscrypt_set_context(struct inode *inode, void *fs_data)

{

	return -EOPNOTSUPP;