From: Tyler Hicks <tyhicks@canonical.com>
Date: Thu, 13 Sep 2012 01:38:00 +0000 (-0700)
Subject: eCryptfs: Call lower ->flush() from ecryptfs_flush()
X-Git-Tag: v3.6-rc6~11^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64e6651dcc10e9d2cc6230208a8e6c2cfd19ae18;p=pandora-kernel.git

eCryptfs: Call lower ->flush() from ecryptfs_flush()

Since eCryptfs only calls fput() on the lower file in
ecryptfs_release(), eCryptfs should call the lower filesystem's
->flush() from ecryptfs_flush().

If the lower filesystem implements ->flush(), then eCryptfs should try
to flush out any dirty pages prior to calling the lower ->flush(). If
the lower filesystem does not implement ->flush(), then eCryptfs has no
need to do anything in ecryptfs_flush() since dirty pages are now
written out to the lower filesystem in ecryptfs_release().

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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