regarding journaling mode

[Emmanuel Florac]

Le Thu, 9 Jul 2015 10:18:55 +0530
Rakesh Patel <patelrakeshcomp at gmail.com> écrivait:

> https://www.kernel.org/doc/Documentation/filesystems/ext4.txt
> 
> 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.

First, this is ext4, not xfs. However XFS behaves the same way, that
is, it may update metadata BEFORE the data has been committed to disk.
This has been the standard behaviour of all filesystems since linux
2.6.30 I guess.

If you're interested in the details, search for O_PONIES on the web...

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