From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 3 Apr 2009 05:34:35 +0000 (-0400)
Subject: ext3: Add replace-on-truncate hueristics for data=writeback mode
X-Git-Tag: v2.6.30-rc1~226^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7ab34ea723ed304b19698efca85d6f40cecd99b;p=pandora-kernel.git

ext3: Add replace-on-truncate hueristics for data=writeback mode

In data=writeback mode, start an asynchronous flush when closing a
file which had been previously truncated down to zero.  This lowers
the probability of data loss in the case of applications that attempt
to replace a file using truncate.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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