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SubjectRe: [PATCH] ide write barrier support
On Mon, 13 Oct 2003, Jens Axboe wrote:

> Forward ported and tested today (with the dummy ext3 patch included),
> works for me. Some todo's left, but I thought I'd send it out to gauge
> interest. TODO:
>
> - Detect write cache setting and only issue SYNC_CACHE if write cache is
> enabled (not a biggy, all drives ship with it enabled)

Yup, and I disable it on all drives at boot time at the latest.

Is there a status document that lists

- what SCSI drivers support write barriers
(I'm interested in sym53c8xx_2 if that matters)

- what IDE drivers support write barriers
(VIA for AMD and Intel for PII/PIII/P4 chip sets here)

- what file systems know how to utilize write barriers (other than
reiserfs ;-) - what does "dummy ext3 patch" mean?
-
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