From patchwork Mon Aug 11 20:06:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 4709551 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E54469F433 for ; Mon, 11 Aug 2014 20:04:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2DC74200D7 for ; Mon, 11 Aug 2014 20:04:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B18AD20127 for ; Mon, 11 Aug 2014 20:04:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754776AbaHKUEr (ORCPT ); Mon, 11 Aug 2014 16:04:47 -0400 Received: from casper.infradead.org ([85.118.1.10]:35975 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752825AbaHKUEp (ORCPT ); Mon, 11 Aug 2014 16:04:45 -0400 Received: from [83.175.99.196] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1XGvpk-0003NT-Rq for linux-nfs@vger.kernel.org; Mon, 11 Aug 2014 20:04:44 +0000 From: Christoph Hellwig To: linux-nfs@vger.kernel.org Subject: [PATCH 3/4] pnfs: add a nfs4_get_deviceid helper Date: Mon, 11 Aug 2014 22:06:56 +0200 Message-Id: <1407787617-26050-4-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1407787617-26050-1-git-send-email-hch@lst.de> References: <1407787617-26050-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This will be used by the block layout driver when splitting extents. Signed-off-by: Christoph Hellwig --- fs/nfs/pnfs.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index ba468e2..c27fe18 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -277,6 +277,13 @@ void nfs4_deviceid_purge_client(const struct nfs_client *); int nfs4_deviceid_getdevicelist(struct nfs_server *server, const struct nfs_fh *fh); +static inline struct nfs4_deviceid_node * +nfs4_get_deviceid(struct nfs4_deviceid_node *d) +{ + atomic_inc(&d->ref); + return d; +} + static inline struct pnfs_layout_segment * pnfs_get_lseg(struct pnfs_layout_segment *lseg) {