Messages in this thread | | | Date | Thu, 18 Apr 2002 15:12:48 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH] IDE TCQ #4 |
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On Thu, Apr 18 2002, Martin Dalecki wrote: > Jens Axboe wrote: > >On Thu, Apr 18 2002, Martin Dalecki wrote: > > > >>Jens Axboe wrote: > >> > >>>On Thu, Apr 18 2002, Martin Dalecki wrote: > >>> > >>> > >>>>BTW> Jens: Do you have any idea what the "sector chaing" in ide-cd is > >>>>good for?! I would love to just get rid of it alltogether! > >>> > >>> > >>>Sector chaining? Are you talking about the cdrom_read_intr() comments? > >> > >>Sorry I did mean sector caching. > > > > > >That's for padding/caching sub-frame sized reads. > > I tought the BIO layer did this alredy... Well it's a pain
Nope, it does not.
> in the a** to deal with it. IDE-FLOPPY is passing packet commands
It sure is... sr doesn't do it and lots of others don't as well, so I suppose we could rip it out. We already require reblocking with loop in those cases anyway.
> through the request buffer but IDE-CD is passing them through > request special field... argh!
So kill ->special usage in ide-cd and use ->buffer?
-- Jens Axboe
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