Re: [EXT3/JBD] Periodic journal flush not enough?

[Andrew Morton]

Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
>
> I've encountered a problem with the journal flush timer.  The problem
> is that when a filesystem is short on space, relying on a timer-based
> flushing mechanism is no longer adequate.  For example, on my P4 2GHz
> I can trigger an ENOSPC error by doing
> 
> while :; do echo test > a; [ -s a ] || break; rm a; done; echo Out of space
> 
> on an ext3 file system with 12Mb of free space using the usual 5s
> journal flush timer.

I cannot reproduce this.  Please send more details.  Journalling mode,
kernel version, etc.

-
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/