From: Dave Chinner <dchinner@redhat.com>
Date: Wed, 18 Jan 2012 20:41:45 +0000 (-0600)
Subject: xfs: fix endian conversion issue in discard code
X-Git-Tag: v3.2.2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afa2f5f83ea3ab46e90206e39578eaa61daf49f0;p=pandora-kernel.git

xfs: fix endian conversion issue in discard code

commit b1c770c273a4787069306fc82aab245e9ac72e9d upstream

When finding the longest extent in an AG, we read the value directly
out of the AGF buffer without endian conversion. This will give an
incorrect length, resulting in FITRIM operations potentially not
trimming everything that it should.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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