[dm-devel] [RFC PATCH 0/3] differentiate between I/O errors

[Malahal Naineni]

Mike Snitzer [snitzer at redhat.com] wrote:
> Refreshed Hannes' initial "scsi: Detailed I/O errors" patch against
> v2.6.37-rc5.  v2 introduces __scsi_error_from_host_byte to avoid
> the duplicate switch statement.  Also a few whitespace and comment
> changes.
> 
> Split DM mpath change out to separate v2 patch; failed discard is now
> retryable in the face of a non-target IO error.
> 
> Added improved block layer's I/O error message (based on the finer
> grained I/O error returns afforded by SCSI).
> 
> Comments/suggestions are welcome.

I did test the Hannes original patch with the latest Linus' git tree! I
used scsi_debug to simulate path failures as well as 'Media' failures
and it did work as expected. I will test your patches soon.

Thanks, Malahal.