Re: [PATCH] [SCSI] mpt2sas: Fix secure erase premature termination

[Greg KH <greg@kroah.com>]

On Wed, Nov 16, 2016 at 08:15:08PM -0500, Andrey Grodzovsky wrote:
> Problem:
> This is a work around for a bug with LSI Fusion MPT SAS2 when
> pefroming secure erase. Due to the very long time the operation
> takes commands issued during the erase will time out and will trigger
> execution of abort hook. Even though the abort hook is called for
> the specific command which timed out this leads to entire device halt
> (scsi_state terminated) and premature termination of the secured erase.
> 
> Fix:
> Set device state to busy while erase in progress to reject any incoming
> commands until the erase is done. The device is blocked any way during
> this time and cannot execute any other command.
> More data and logs can be found here -
> https://drive.google.com/file/d/0B9ocOHYHbbS1Q3VMdkkzeWFkTjg/view
> 
> P.S
> This is a backport from the same fix for mpt3sas driver intended
> for pre-4.4 stable trees.

What is "the same fix"?  What is the git commit id in Linus's tree for
this?

thanks,

greg k-h