Re: [PATCH] ipr: Remove SATA support

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On 2024/02/29 9:31, Elektrokinesis DJ wrote:
> I am dissatisfied with the decision to remove SATA from the ipr driver, I
> have multiple machines in my homelab that now require manual patching every
> time I would like to update the kernel and initrd image. Bladecenter PS700
> uses the ipr SCSI driver if you install a common SATA SSD into the Planar
> SAS slots. This limits me from being able to use newer kernels without
> patching, unless I would like to procure expensive SAS SSDs.

The ipr driver was the only libsas/ATA driver that had not been converted to the
new libata error handling, and was thus preventing necessary cleanups in libata.
When it was removed, it seemed that no-one was using ATA devices with IPR beside
SATA DVDs, and very few people had this hardware to test anything.

So it seems that devices beside DVDs were/are actually used.

We can try to reintroduce the support for ATA in ipr, but that will not be a
simple revert as the new EH handling needs to be supported.

Brian,

Any comment ? Is this feasible ?
I do not have the hardware to work on this, so patches will have to be done by
you or someone with access.

-- 
Damien Le Moal
Western Digital Research





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