From: Peng Tao <bergwolf@gmail.com>
Date: Fri, 23 Sep 2011 01:50:15 +0000 (-0400)
Subject: pnfs: recoalesce when ld read pagelist fails
X-Git-Tag: v3.2-rc1~176^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b7eecdcfeb943f130d86bbc249fde4994b6fe30;p=pandora-kernel.git

pnfs: recoalesce when ld read pagelist fails

For pnfs pagelist read failure, we need to pg_recoalesce and resend IO to
mds.

Signed-off-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Jim Rees <rees@umich.edu>
Cc: stable@kernel.org [3.0]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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