Messages in this thread | | | Date | Tue, 12 Sep 2006 10:42:58 +0200 | From | Helge Hafting <> | Subject | Re: What's in libata-dev.git |
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Linus Torvalds wrote: > On Mon, 11 Sep 2006, Jeff Garzik wrote: > > >> Sergei Shtylyov wrote: >> >>> It's not likely I'll be able to try it. But I'm absolutely sure that >>> drive aborted the read commands with the sector count of 0 (i.e. 256 >>> actually). The exact model was IBM DHEA-34331. >>> 255 sectors actually seems more safe bet. >>> >> This sort of thing should be handled by quirks, depending on the controller >> and drive. >> > > Please don't play games with peoples data-safety. > > It ios absolutely INCORRECT to think that "things should work as > documented, let's fix it up with quirks". > How about a simple and harmless test? When an IDE disk is accessed for the first time, perhaps when the partition table is read - issue a 256-sector read and see what happens. If it works - fine. If not, tag the thing as supporting max 255 sectors.
No wrecking of file systems, and full performance for the vast majority.
Helge Hafting
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