From: Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: 2.4.20-rc1 NFS/TCP client (still) hangs running dbench 2.0
Date: 01 Nov 2002 18:24:27 +0100
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To: Andrew Ryan <andrewr@nam-shub.com>
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>>>>> " " == Andrew Ryan <andrewr@nam-shub.com> writes:

     > 2.4.20rc1 still exhibits the same identical problem as
     > 2.4.19+kmap1 patch which I identified a few weeks ago. I guess
     > that patch was applied to 2.4.20, since it doesn't appear on
     > Trond's patch page for 2.4.20.

Does the following patch work for you?

Cheers,
  Trond

diff -u --recursive --new-file linux-2.4.20-rc1/net/sunrpc/xdr.c linux-2.4.20-fix/net/sunrpc/xdr.c
--- linux-2.4.20-rc1/net/sunrpc/xdr.c	2002-08-14 09:00:35.000000000 -0400
+++ linux-2.4.20-fix/net/sunrpc/xdr.c	2002-11-01 12:08:52.000000000 -0500
@@ -244,6 +244,7 @@
 		pglen -= base;
 		base  += xdr->page_base;
 		ppage += base >> PAGE_CACHE_SHIFT;
+		pglen += base & ~PAGE_CACHE_MASK;
 	}
 	for (;;) {
 		flush_dcache_page(*ppage);


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