ocfs2_truncate_file
status = ocfs2_truncate_file(inode, bh, attr->ia_size);
int ocfs2_truncate_file(struct inode *inode,
ret = ocfs2_truncate_file(inode, di_bh,
status = ocfs2_truncate_file(inode, di_bh, i_size_read(inode));
DEFINE_OCFS2_ULL_ULL_ULL_EVENT(ocfs2_truncate_file);