From: Lukas Czerner <lczerner@redhat.com>
Date: Fri, 18 Apr 2014 14:21:15 +0000 (-0400)
Subject: ext4: use truncate_pagecache() in collapse range
X-Git-Tag: omap-for-v3.16/pm-signed~66^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=694c793fc1ade0946149c5f8d43f71e0728c4e81;p=pandora-kernel.git

ext4: use truncate_pagecache() in collapse range

We should be using truncate_pagecache() instead of
truncate_pagecache_range() in the collapse range because we're
truncating page cache from offset to the end of file.
truncate_pagecache() also get rid of the private COWed pages from the
range because we're going to shift the end of the file.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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