RE: [PATCH] usb-storage: scsiglue: Changing the command result

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On Sat, 16 Nov 2013, Vishal Annapurve wrote:

> Hi,
> 
> Here are the updated patches:	
> 
> [PATCH 1/3] usb: storage: Proper cmd result assignment
> 
> This change replaces DID_ABORT with DID_TIMEOUT as a command result
> whenever US_FLIDX_TIMED_OUT bit is set.
> 
> This change is made to bring USB storage inline with a recent change:
> 
> commit    18a4d0a22ed6c54b67af7718c305cd010f09ddf8
> 
> [SCSI] Handle disk devices which can not process medium access commands
> We have experienced several devices which fail in a fashion we do not
> currently handle gracefully in SCSI. After a failure these devices will
> respond to the SCSI primary command set (INQUIRY, TEST UNIT READY, etc.)
> but any command accessing the storage medium will time out.
> 
> As the USB storage was setting command result as aborted rather than
> timed out, SCSI layer was not recognizing the above mentioned failure
> pattern.
> 
> Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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