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Message-ID: <b1bc6a000803201545i2eaecc20r921b77e2e60e8911@mail.gmail.com> Date: Thu, 20 Mar 2008 14:45:01 -0800 From: "adam radford" <aradford@...il.com> To: "Matteo Tescione" <matteo@...et.it> Cc: linux-kernel@...r.kernel.org Subject: Re: max_sectors_kb problem On Wed, Mar 19, 2008 at 4:55 PM, Matteo Tescione <matteo@...et.it> wrote: > Hello Folks, > > I'm running 2.6.24.3 kernel with the 3ware 9650se 8port in raid10 with 256K > of stripesize. > The question is: why linux kernel (2.6.24 but it's the same in older > kernels) see only 128K as it's max_sectors_kb ? > It's limited by max_hw_segments_kb which i think should be 256 with a 256 k > stripe. > It seems hardcoded somewhere, altough in 3w-9xxx.c i can't find it. > I'm running firmware FE9X 3.08.02.007 and driver version 2.26.02.010 > Can someone help me? This is hardcoded in the 3w-9xxx driver to 128k. The controller firmware is only guaranteed to work with that size. If you change it, you may incur data corruption, hangs, or both. Hacker beware. -Adam -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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