Messages in this thread | | | Date | Mon, 13 Oct 2003 20:16:08 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH] ide write barrier support |
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Matthias Andree wrote: > 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)
The device is the entity that does, or does not, support flush-cache... All IDE chipsets support flush-cache... it's just another IDE command.
Jeff
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