libceph: introduce ceph_x_encrypt_offset()

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Ilya Dryomov 2016-12-02 16:35:07 +01:00
parent 462e650451
commit 55d9cc834f
1 changed files with 6 additions and 2 deletions

View File

@ -39,10 +39,14 @@ static int ceph_x_should_authenticate(struct ceph_auth_client *ac)
return need != 0;
}
static int ceph_x_encrypt_offset(void)
{
return sizeof(u32) + sizeof(struct ceph_x_encrypt_header);
}
static int ceph_x_encrypt_buflen(int ilen)
{
return sizeof(struct ceph_x_encrypt_header) + ilen + 16 +
sizeof(u32);
return ceph_x_encrypt_offset() + ilen + 16;
}
static int ceph_x_encrypt(struct ceph_crypto_key *secret,