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

Florian Weimer
2007-08-04T19:16:35Z

* Andrew Morton:

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

The documentation I could find suggests that this may lead to a
security weakness (old data in blocks of a file that was grown just
before the crash leaks to a different user). XFS overwrites that data
with zeros upon reboot, which tends to irritate users when it happens.

>From this point of view, data=ordered doesn't seem too bad.