Will barrier support for ext3 be enabled by default for FC3 or errata kernel

[Kenneth Porter]

--On Tuesday, August 24, 2004 9:54 AM +0200 Arjan van de Ven 
<arjanv at redhat.com> wrote:

> Barriers (or in scsi terms "ordered tags") basically tell the disk
> "don't reorder past THIS point". In principle this alleviates the need
> for the journalling filesystem to wait on the first IO before submitting
> the second IO (the metadata one).

Excellent explanation, thanks.