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FromNikita Danilov <>
DateSat, 4 Aug 2007 21:26:44 +0400
SubjectRe: [PATCH 00/23] per device dirty throttling -v8
Andrew Morton writes:

[...]

 > 
 > It's pretty much unfixable given the ext3 journalling design, and the
 > guarantees which data-ordered provides.

ZFS has intent log to handle this
(http://blogs.sun.com/realneel/entry/the_zfs_intent_log). Something like
that can --theoretically-- be added to ext3-style journalling.

Nikita.

 > 
 > The easy preventive is to mount with data=writeback.  Maybe that should
 > have been the default.

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