On 10/30/05, Hui Cheng <hcheng@xxxxxxxxxxx> wrote: > > The end_io function for read is bio->bi_end_io, which corresponds to > mpage_end_io_read. In this function, it only checks if the pages in the > bio are up to date, because it is possible that the read has been finished > at now. But if not, the page is set a PG_error. after each page is > checked, whole function return. For the ide_do_request, it enables the > iterrupt for ide disk intr. Your citation of the "take short snooze"just > says that there should be a fair chance for multiple hwgroups, so give it > a little idle time to make others have chance to run. it is a hardware > sleep not a process sleep. Thank Fawad for your help, anybody could help > giving a final conclusion? > Ya, you are right ! what I mentioned about the idle/sleep time that is related to hardware which I wasn't able to get at that time :) -- Fawad Lateef -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
