From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: [PATCH 10/10] IB: remove the unused usecnt field from struct ib_mr Date: Sun, 20 Dec 2015 09:25:05 +0200 Message-ID: <567657D1.5010700@mellanox.com> References: <1450446906-10336-1-git-send-email-hch@lst.de> <1450446906-10336-11-git-send-email-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1450446906-10336-11-git-send-email-hch-jcswGhMUV9g@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Christoph Hellwig , Doug Ledford Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 12/18/2015 3:55 PM, Christoph Hellwig wrote: > > diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h > index 284916d..e45776e 100644 > --- a/include/rdma/ib_verbs.h > +++ b/include/rdma/ib_verbs.h > @@ -1306,7 +1306,6 @@ struct ib_mr { > u64 iova; > u32 length; > unsigned int page_size; > - atomic_t usecnt; /* count number of MWs */ > }; This comment is part of Roland's uverbs commit. I wonder if LL driver supporting the IB_WR_BIND_MW op ref the MR on port send and deref it on completion? Or. > > struct ib_mw { > -- 1.9.1 -- 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