On Wed, Aug 10, 2011 at 1:07 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote: > Hi Rajat... > > On Tue, Aug 9, 2011 at 09:30, Rajat Sharma <fs.rajat@xxxxxxxxx> wrote: >> of course I looked at the source (obvious first step) before asking >> question and further following tsk->in_iowait, it seems it is just >> needed for accounting purpose. >> >> if (tsk->in_iowait) { >> se->statistics.iowait_sum += delta; >> se->statistics.iowait_count++; >> trace_sched_stat_iowait(tsk, delta); >> } >> >> Wanted to be sure of "is that it all about"? or I am missing something here? > > I got a feeling that the main show is: > blk_flush_plug(current); > that name somehow indicates it is "forcing" read/write to happen, > either real soon or at the earliest moment possible... > > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer and consultant > > blog: the-hydra.blogspot.com > training: mulyaditraining.blogspot.com > Ah, just missed that, thats actually countable difference. Thanks for the pointer :) _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies