Re: PROBLEM: AES cryptoloop corruption under recent -mm kernels

[Hans Reiser]

Jari Ruusu wrote:

>  
>
> > Also, in the loop-AES.README, this is mentioned:
> >
> > "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)"
> >
> > Are you talking about the "hdparm -W" flag for IDE drives?
> >    
>
> Yes.
>
> If you don't have UPS powered box, disabling write caching of disks is
> recommended when using journaling file system.
>  
unless you use the write cache flushing code which went into a kernel 
version I can never remember.....


--
Hans


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/