ISOFS_BUFFER_BITS
unsigned int blkbits = ISOFS_BUFFER_BITS(inode);
unsigned int bufshift = ISOFS_BUFFER_BITS(inode);
unsigned char bufbits = ISOFS_BUFFER_BITS(inode);
sect_size = ei->i_section_size >> ISOFS_BUFFER_BITS(inode);
if (b_off > ((inode->i_size + PAGE_SIZE - 1) >> ISOFS_BUFFER_BITS(inode))) {
sect_size = ISOFS_I(ninode)->i_section_size >> ISOFS_BUFFER_BITS(ninode);
ISOFS_BUFFER_BITS(inode));
unsigned char bufbits = ISOFS_BUFFER_BITS(dir);