svn commit: r337554 - in head/sys/cam: . ata nvme scsi

[Scott Long]

> On Aug 9, 2018, at 3:53 PM, Conrad Meyer <cem at FreeBSD.org> wrote:
> 
> Author: cem
> Date: Thu Aug  9 21:53:32 2018
> New Revision: 337554
> URL: https://svnweb.freebsd.org/changeset/base/337554
> 
> Log:
>  cam(4): Add an xpt-neutral flag indicating a valid panic CCB
> 
>  No functional change.
> 
>  Note that this change is careful to set the CCB header xflags after
>  foo_fill_bar() routines, which generally zero existing flags.  An earlier
>  version of this patch mistakenly set the flag before the fill routines.
> 
>  Submitted by:	Scott Ferris <sferris AT isilon.com>, jhibbits@
>  Reviewed by:	bdrewery@, markj@, and non-committer FreeBSD contributor Anton Rang
>  Sponsored by:	Dell EMC Isilon

What’s the purpose of this flag?  I see it gets set in plenty of places, but never checked.

Scott