Messages in this thread | | | Date | Wed, 6 Aug 2003 21:58:39 +0200 (MET DST) | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: [PATCH] ide-disk.c rev 1.13 killed CONFIG_IDEDISK_STROKE |
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On Wed, 6 Aug 2003, Erik Andersen wrote:
> On Wed Aug 06, 2003 at 08:32:23PM +0200, Bartlomiej Zolnierkiewicz wrote: > > > > On Wed, 6 Aug 2003, Erik Andersen wrote: > > > > > > Can you please resend me the patch once its accepted in 2.6 ? > > > > > > > > Maybe we want to test it a while in -ac, also? > > > > > > Ok. Though it is being incorporated as part of a much larger > > > patch in 2.6. I suppose that will filter back into 2.4 when > > > it is ready, > > > > Hi Erik, > > > > I made init_idedisk_capacity() cleanup. > > Then I ported your patch and reworked it a bit. > > > > Could you take a look? > > I like your improvements. The only concern I have is you > retained my use of do_div() intact. That needs to change since > it turns out that do_div() directly modifies the numerator > (violating the principle of least surprise). See the recent > thread on "do_div considered harmful". In that thread, Andries > mentions he has made a generic sectors_to_MB() function to > consolidate such things. which I think is a very good idea since > then this only has to be correct once. That would also let you > eliminate the somewhat ugly and not particularly obvious division > plus rounding (X - X/625 + 974)/1950 sequence from > idedisk_check_hpa_lba28(),
Oh yes... I forgot about do_div() and sectors_to_MB(). I will correct this before submitting to Linus.
Thanks, -- Bartlomiej
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