cannot mount ext3 boot partition as r/w since 2.6.30

[Nicolas KOWALSKI]

Theodore Tso <tytso at mit.edu> writes:

> The default mount option is now data=writeback (although this is
> configurable via a compile-time CONFIG option).  In general you don't
> have to specify the data= mount option when you are remounting the
> filesystem read/write.  If you really want to use data=ordered, you
> can either toggle the CONFIG option at compile time, or use the
> rootflags= boot command-line option to set the mount options to be
> used when originally mounting the root filesystem.

Is the tune2fs -o journal_data_ordered option still available for
specifying journalling mode?

BTW, is there is link/page somewhere explaining why the ordered mode
is now being deprecated?

Thanks,
-- 
Nicolas