From: Jan Kara <jack@suse.cz>
Date: Fri, 16 Oct 2009 17:26:15 +0000 (+0200)
Subject: ext3: Wait for proper transaction commit on fsync
X-Git-Tag: v2.6.32-rc7~38^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe8bc91c4c30122b357d197117705cfd4fabaf28;p=pandora-kernel.git

ext3: 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>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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