Re: journaling file system

[majek04 <majek@xxxxxxxxxxxxx>]

Yes. I know. But I wonder if there is other patch that can be
used with journaling fs.

On Monday 18 of October 2004 02:22, Daniel Harvey wrote:
> >From Jari's README for loop-aes:
> 
> 
> 2.2. Use of journaling file systems on loop device
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Don't use a journaling file system on top of file backed loop device.
> Device backed loop device can be used with journaling file systems as
> device backed loops guarantee that writes reach disk platters in order
> required by journaling file system (write caching must be disabled on
> the disk drive, of course). With file backed loop devices, correct write
> ordering may extend only to page cache (which resides in RAM) of
> underlying file system. VM can write such pages to disk in any order it
> wishes, and thus break write order expectation of journaling file
> system.
> 
> Daniel.
> 
> On Mon, 2004-10-18 at 03:56, majek04 wrote:
> > Hi.
> > 
> > Is there any possibility of running journaling file system on the top of
> > crypted partition or file? It doesn't have to be loop-aes...
> > 
> > Yours sincerely
> >  majek04
> > 
> > PS. kernel 2.6
> > 
> > 
> > -
> > Linux-crypto:  cryptography in and on the Linux system
> > Archive:       http://mail.nl.linux.org/linux-crypto/
> 
> 
> -
> Linux-crypto:  cryptography in and on the Linux system
> Archive:       http://mail.nl.linux.org/linux-crypto/
> 
> 

-
Linux-crypto:  cryptography in and on the Linux system
Archive:       http://mail.nl.linux.org/linux-crypto/