MAGIC_ECRYPTFS_MARKER_SIZE_BYTES
offset += MAGIC_ECRYPTFS_MARKER_SIZE_BYTES;
get_random_bytes(&m_1, (MAGIC_ECRYPTFS_MARKER_SIZE_BYTES / 2));
page_virt += (MAGIC_ECRYPTFS_MARKER_SIZE_BYTES / 2);
(*written) = MAGIC_ECRYPTFS_MARKER_SIZE_BYTES;
+ MAGIC_ECRYPTFS_MARKER_SIZE_BYTES)