ecryptfs_write_lower
rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, lower_offset,
rc = ecryptfs_write_lower(ecryptfs_inode, virt,
int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
rc = ecryptfs_write_lower(ecryptfs_inode, file_size_virt, 0,
rc = ecryptfs_write_lower(ecryptfs_inode, virt, offset, size);