Bezüglich Mark Johnston's Nachricht vom 30.09.2016 23:00 (localtime): > Author: markj > Date: Fri Sep 30 21:00:09 2016 > New Revision: 306529 > URL: https://svnweb.freebsd.org/changeset/base/306529 > > Log: > cam_periph_ccbwait could return while ccb in progress > > In cam_periph_runccb, cam_periph_ccbwait was using the value of the ccb > pinfo.index and status fields to determine whether the ccb was done, > but these fields are updated without a contending lock and could glitch > into states that would be erroneously interpreted as done. Instead, > have cam_periph_ccbwait look for the explicit result of the function > cam_periph_done. > > Submitted by: Ryan Libby <[email protected]> > Reviewed by: mav > MFC after: 3 weeks > Sponsored by: Dell EMC Isilon
Were there problems causing MFC delay or is it just slipped through? Thanks, -harry
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