From: Martin Steigerwald <Martin@lichtvoll.de>
To: linux-xfs@oss.sgi.com
Subject: How does XFS handle file data with regards to journaling?
Date: Thu, 20 Jul 2006 11:43:40 +0200 [thread overview]
Message-ID: <200607201143.40984.Martin@lichtvoll.de> (raw)
Hello,
AFAIK XFS does not support real data journaling. But when does it write
changes to file data? Does ist write it before or after it updates the
journal? IOW does it support ordered writes as ext3 does?
data=ordered (*) All data are forced directly out to the main file
system prior to its metadata being committed to the journal.
Or does it work in writeback mode?
data=writeback Data ordering is not preserved, data may be written
into the main file system after its metadata has been
committed to the journal.
Regards,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
reply other threads:[~2006-07-20 9:44 UTC|newest]
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