From: Peng Tao <bergwolf@gmail.com>
Date: Thu, 12 Jan 2012 15:18:48 +0000 (+0800)
Subject: pnfsblock: limit bio page count
X-Git-Tag: v3.3-rc1~41^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74a6eeb44ca6174d9cc93b9b8b4d58211c57bc80;p=pandora-kernel.git

pnfsblock: limit bio page count

One bio can have at most BIO_MAX_PAGES pages. We should limit it bec otherwise
bio_alloc will fail when there are many pages in one read/write_pagelist.

Cc: <stable@vger.kernel.org> #3.1+
Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

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