From: Sage Weil <sage@newdream.net>
Date: Thu, 6 May 2010 04:30:35 +0000 (-0700)
Subject: ceph: don't use writeback_control in writepages completion
X-Git-Tag: v2.6.34~27^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54ad023ba8108d0163acc931ed4b5e4a8a3a7327;p=pandora-kernel.git

ceph: don't use writeback_control in writepages completion

The ->writepages writeback_control is not still valid in the writepages
completion.  We were touching it solely to adjust pages_skipped when there
was a writeback error (EIO, ENOSPC, EPERM due to bad osd credentials),
causing an oops in the writeback code shortly thereafter.  Updating
pages_skipped on error isn't correct anyway, so let's just rip out this
(clearly broken) code to pass the wbc to the completion.

Signed-off-by: Sage Weil <sage@newdream.net>
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