Re: [PATCH 00/23] per device dirty throttling -v8

Nikita Danilov
2007-08-04T17:27:19Z

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.