taglinefilesource code
trunc_direct232fs/ext/truncate.cretry = trunc_direct(inode);
trunc_direct260fs/ext2/truncate.cretry = trunc_direct(inode);
trunc_direct175fs/minix/truncate.cretry = trunc_direct(inode);
trunc_direct188fs/xiafs/truncate.cretry = trunc_direct(inode);