From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: Unexpected issues with 2 NVME initiators using the same target Date: Tue, 27 Jun 2017 12:14:14 -0600 Message-ID: <20170627181414.GA5578@obsidianresearch.com> References: <614481c7-22dd-d93b-e97e-52f868727ec3@grimberg.me> <59FF0C04-2BFB-4F66-81BA-A598A9A087FC@oracle.com> <20170620173532.GA827@obsidianresearch.com> <20170620192742.GB827@obsidianresearch.com> <20170620211958.GA5574@obsidianresearch.com> <4f0812f1-0067-4e63-e383-b913ee1f319d@grimberg.me> <1498586933.14963.1.camel@wdc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1498586933.14963.1.camel-Sjgp3cTcYWE@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Bart Van Assche Cc: "chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org" , "sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org" , "mrybczyn-FNhOzJFKnXGHXe+LvDLADg@public.gmane.org" , "hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org" , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "shahar.salzman-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" , "robert.m.riches.jr-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org" , "robert-4JaGZRWAfWbajFs6igw21g@public.gmane.org" , "linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org" , "loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , "leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "liranl-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org" , "joseph.r.gruher-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On Tue, Jun 27, 2017 at 06:08:57PM +0000, Bart Van Assche wrote: > Can you clarify why you think that the SRP initiator needs to be changed? > The SRP initiator submits the local invalidate work request after the RDMA > write request. According to table 79 "Work Request Operation > Ordering" the That table has a 'L' for invalidate that follows RDMA Write. L means they are not ordered unless the optional Local Invalidate Fence mode is used. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html