From: Jan Kara <jack@suse.cz>
Date: Wed, 9 Dec 2009 04:51:10 +0000 (-0500)
Subject: ext4: Wait for proper transaction commit on fsync
X-Git-Tag: v2.6.33-rc1~330^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b436b9bef84de6893e86346d8fbf7104bc520645;p=pandora-kernel.git

ext4: Wait for proper transaction commit on fsync

We cannot rely on buffer dirty bits during fsync because pdflush can come
before fsync is called and clear dirty bits without forcing a transaction
commit. What we do is that we track which transaction has last changed
the inode and which transaction last changed allocation and force it to
disk on fsync.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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