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Date: Tue, 22 Mar 2016 16:57:40 +0100
From: Jan Kara <jack@suse.cz>
To: stable@vger.kernel.org
Cc: xfs@oss.sgi.com, Dave Chinner <david@fromorbit.com>
Subject: XFS hole punch races
Message-ID: <20160322155740.GB28772@quack.suse.cz>
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Hi,

similarly to ext4 also XFS had races between hole punching and page faults
which could result in data corruption. The fixes were merged in 4.1-rc1 but
it might make sense to backport them to older stable releases given the
nature of the issue.

Relevant fixes are:

de0e8c20ba3a65b0f15040aabbefdc1999876e6b
075a924d45cc69c75a35f20b4912b85aa98b180a
e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef
0f9160b444e4de33b65dfcd3b901358a3129461a
723cac48473358939759885a18e8df113ea96138
ec56b1f1fdc69599963574ce94cc5693d535dd64

								Honza

-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR