Re: sense handling improvements

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On 02/14/2017 08:15 PM, Christoph Hellwig wrote:
> Hi all,
> 
> this series is on top of the scsi_request changes in Jens' tree and
> further improves the handling of the sense buffer.
> 
Sorry, but I'm feeling really daft: which scsi_request changes?
To be found in which tree?
I dimly remember seeing them, but have been unable to find them again.

> The first patch prevents any possibily of reusing stale sense codes
> in sense headers, and is a bug fix that we should probably get into
> the block tree ASAP.
> 
> The rest cleans up handling of the parsed sense data and could go in
> either through the block tree, or a SCSI branch on top of the block
> tree.
> 
Have we audited all drivers to _not_ do DMA into the sense buffer?
By first glance some still do, so they'll break horribly when moving the
sense buffer onto the stack ...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)



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