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<!-- received="Thu Jan 21 09:49:41 1999 PST" -->
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<!-- sent="Thu, 21 Jan 1999 09:50:25 -0800 (PST)" -->
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<!-- name="Gerald Turner" -->
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<!-- email="gturner@retina.net" -->
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<!-- subject="Re: SG_BIG_BUFF woes on Linux" -->
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<!-- inreplyto="199901211426.PAA15032@zero.cc.uit.no" -->
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<title>sane-devel: Re: SG_BIG_BUFF woes on Linux</title>
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<h1>Re: SG_BIG_BUFF woes on Linux</h1>
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<b>Gerald Turner</b> (<a href="mailto:gturner@retina.net"><i>gturner@retina.net</i></a>)<br>
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<i>Thu, 21 Jan 1999 09:50:25 -0800 (PST)</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#187">[ date ]</a><a href="index.html#187">[ thread ]</a><a href="subject.html#187">[ subject ]</a><a href="author.html#187">[ author ]</a>
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<li> <b>Next message:</b> <a href="0188.html">Dirk: "Re: Mustek TwainScan 600 III EP Plus"</a>
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<li> <b>Previous message:</b> <a href="0186.html">Oliver Rauch: "Re: UMAX Astra 1200s scanning problems."</a>
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<li> <b>In reply to:</b> <a href="0185.html">Petter Reinholdtsen: "Re: SG_BIG_BUFF woes on Linux"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0215.html">Petter Reinholdtsen: "Re: SG_BIG_BUFF woes on Linux"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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On Thu, 21 Jan 1999, Petter Reinholdtsen wrote:<br>
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<p>
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<i>> [Gerald Turner]</i><br>
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<i>> > This works but a better implementation would be to use sysctl() to</i><br>
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<i>> > get the value of sg-big-buff at runtime, better yet fread()</i><br>
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<i>> > /proc/sys/kernel/sg-big-buff.</i><br>
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<i>> </i><br>
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<i>> Why do you think that reading this value from /proc is a better</i><br>
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<i>> implementation then using sysctl(). The POSIX way would probably be</i><br>
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<i>> to use sysconf(), but is there a name for SG_BIG_BUFF defined?</i><br>
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<p>
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Hmm, I thought I read somewhere in the kernel source that reading /proc<br>
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would be better, maybe having something to do with sysctl interface/values<br>
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changing. However, I went looking for this and can't seem to find it.<br>
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<p>
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Excuse me, the suggestion was by mistake. Use sysctl(). I just had a<br>
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look through <confname.h>, sysconf() doesn't support anything beyond the<br>
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POSIX definitions, no SG_BIG_BUFF.<br>
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<p>
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Anyway is this doable? I can't be the only one using a distribution and<br>
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modifying SG_BIG_BUFF (I do it to also improve cdda audio ripping<br>
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performance)...<br>
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<p>
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Gerald Turner<br>
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<a href="http://www.retina.net/~gturner/">http://www.retina.net/~gturner/</a><br>
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<p>
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<p>
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<pre>
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--
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0188.html">Dirk: "Re: Mustek TwainScan 600 III EP Plus"</a>
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<li> <b>Previous message:</b> <a href="0186.html">Oliver Rauch: "Re: UMAX Astra 1200s scanning problems."</a>
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<li> <b>In reply to:</b> <a href="0185.html">Petter Reinholdtsen: "Re: SG_BIG_BUFF woes on Linux"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0215.html">Petter Reinholdtsen: "Re: SG_BIG_BUFF woes on Linux"</a>
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<!-- reply="end" -->
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</ul>
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