Re: Problems with journal size option on mkfs

[Chris Mason <mason@suse.com>]

On Wed, 2002-05-15 at 17:49, Steve Pratt wrote:
> 
> Chris Mason wrote:
> >On Wed, 2002-05-15 at 16:12, Steve Pratt wrote:
> >>
> >> I am in the process of writing a File System Interface Module (FSIM) for
> >> EVMS that will interface with ReiserFS and am having a problem with the
> -s
> >> (journal size) option on mkfs.reiserfs.  The problem is that if I
> specify
> >> any journal size the mkfs fails.  By fails, what I mean is that the
> device
> >> is not mountable, I don't actually get any error message from mkfs.
> This
> >> happens even when I give it the default size of 8193 blocks.  I didn't
> see
> >> anything in the faq about this option not working, but I tried it on 2
> >> different machines with the same results.  I am running tools level
> 3.x.1b
> >> and stock 2.4.17 kernel + EVMS + JFS + kgdb + vfslock.
> >>
> >> Here is a sample of the output, the only line that changes is the
> reference
> >> to non-standard journal
> 
> >The kernel side of the dedicated logging device code has not been sent
> >for inclusion in 2.4.x yet.  The beta patch below implements it, against
> >2.4.19-pre7.
> 
> So the -s option only works with offline log devices?  It doesn't say
> anything about this in the man pages.  Also, wouldn't the mkfs code just
> ignore this option if you did not specify an external log device (like the
> example)?
> 
> Just looked at man page again, and it indicates that this should work for
> inline logs as well.
> 

It works with both, but the kernel doesn't understand things properly
without the patch.

-chris