Messages in this thread | | | From | Nikanth Karthikesan <> | Subject | Re: [PATCH linux-2.6-block/for-linus] Fix discard requests accounting in the diskstats | Date | Fri, 24 Apr 2009 13:08:35 +0530 |
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On Friday 24 April 2009 11:45:18 Jens Axboe wrote: > On Fri, Apr 24 2009, Nikanth Karthikesan wrote: > > When 2 discard requests are merged, the stats gets updated, but we do not > > update statistics normally when a discard request is issued or completed. > > For example the in_flight counter would be decremented when 2 discard > > requests are merged, but it was not at all incremented when they were > > issued, and in_flight counter will not be decremented, when they are > > completed as well. > > > > This patch fixes this by adding discard requests to the statistics. > > > > Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> > > OK, so that's not quite what I had in mind. If we first do this as a > preparatory patch: > > http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=42fd769da4edadad83a7 >79867ff1910ec35c6de7 >
Oh! I thought this cleanup along with the block-turn-some-buggy-macros-into-c-functions.patch from Andrew could be done on top of my original fix. But didn't, as you said, you would do it. Anyway, Thanks.
> then the discard fix becomes this one-liner: > > http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=999ae79ae7f853bb9e60 >e95753ebf8d1628e632a
Thanks Nikanth
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