taglinefilesource code
read2119drivers/char/mem.cint read1, read2;
read2124drivers/char/mem.cread2 = vread(buf + read1, (char *) file->f_pos, count - read1);
read2125drivers/char/mem.cif (read2 < 0)
read2126drivers/char/mem.creturn read2;
read2127drivers/char/mem.cfile->f_pos += read2;
read2128drivers/char/mem.creturn read1 + read2;