Luben Tuikov wrote:
On 09/01/05 09:24, James Bottomley wrote:
On Thu, 2005-09-01 at 01:54 -0400, Jeff Garzik wrote:
The long term direction for the SCSI core seems to be that of
requiring auto-sensing.
No, I don't see the mid-layer error thread handling of this ever going
away.
libata is simply being lazy: while the SCSI core continues to support
kicking the EH thread when sense is missing, it's preferred for libata
to reuse that infrastructure.
That makes the most sense ;-)
For libata it doesn't really matter, since it is _ATA_.
It matters quite a bit. One of the main reasons libata uses the SCSI
layer is for its infrastructure.
This is the same reason a couple RAID drivers use the SCSI layer. It
has nothing to do with SCSI-as-defined-by-T10, and more to do with the
fact that SCSI provides a robust queueing/EH/block interface infrastructure.
My long term plans include moving some of this not-SCSI-related
infrastructure from the SCSI layer to the block layer.
Jeff
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