On 12/19/06, Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
When you submit a request to an empty block device queue, it can get "plugged" for a number of timer ticks before any IO is actually started. This is done for efficiency reasons and is independent of the IO scheduler used.
Thanks for the information..
Use the noop IO scheduler, as well as the attached patch, and let's see what your numbers look like.
Unfortunately i got the same results even after applying your patch. I also tried putting q->unplug_delay = 1; But it did not work. The result was similar. -- --------------------------------------------------------------- regards Manish Regmi --------------------------------------------------------------- UNIX without a C Compiler is like eating Spaghetti with your mouth sewn shut. It just doesn't make sense. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
