lkml.org 
[lkml]   [2001]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: ext3: kjournald and spun-down disks
On Fri, 23 Nov 2001, Andrew Morton wrote:

> Oliver Xymoron wrote:
> >
> > > Tell me if this is joyful:
> >
> > Haven't tried it yet, but I'm afraid I don't see what makes it actually
> > sync with the dirty buffer flush. Wouldn't it be better to export a chain
> > of flush funcs hung off a timer?
>
> It doesn't sync with kupdate.
>
> If you want to do that, just defeat the journal timer altogether. So:
>
> transaction->t_expires = jiffies + 1000000000;
>
> in get_transaction(). That way, kupdate's write_super() will
> run a commit every bdf_prm.b_un.interval jiffies.

Ok, so what's the theory behind the journal timer? Why would we want
ext3 journal flushed more or less often than ext2 metadata given that
they're of equivalent importance?

--
"Love the dolphins," she advised him. "Write by W.A.S.T.E.."

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

\
 
 \ /
  Last update: 2005-03-22 13:13    [W:0.045 / U:1.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site