From patchwork Wed Jan 7 00:28:48 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Haynes X-Patchwork-Id: 5578391 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D5316BF6C3 for ; Wed, 7 Jan 2015 00:30:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D54CB2010B for ; Wed, 7 Jan 2015 00:30:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A9C2C2024C for ; Wed, 7 Jan 2015 00:30:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756225AbbAGA36 (ORCPT ); Tue, 6 Jan 2015 19:29:58 -0500 Received: from mail-pd0-f181.google.com ([209.85.192.181]:63121 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756223AbbAGA34 (ORCPT ); Tue, 6 Jan 2015 19:29:56 -0500 Received: by mail-pd0-f181.google.com with SMTP id v10so1001194pde.12 for ; Tue, 06 Jan 2015 16:29:56 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=4zDfCUaXdE1CWa6DDGdW7HFsMAQfDN+xFfOzE3KvYS0=; b=dO8GL38j0h128XNHo9DhDCBpt8TH96Y79mUGURpA/MEQhGclu8hJozgSjHgpGsvM3h 8OZI8oVoc5RbL5NptacG6K04MpdjcbGCopZkgxJFW55FjaMckJ+hMMR1uLKDTB05ZKqc OQA9bdSstkQiu6ZzuFNo15mChBCVWrZgbYHkSUomREhfAAJewDTxeiJE8T23ynwchqnn PSWoNipQjEWWBnNIK3UJWxccorJ5RHyCDTHQoDeKdBfgZ9sW7O6FaZYHbjaUys0j2ZPN bwZrRb4ewKIkW26ISEoVxvzXbw88oxBR5SGsv3tPTqUwPoTb79l3OSKTIb8pBJb6rQNE 3Kxw== X-Gm-Message-State: ALoCoQm1gX81u9mbNBCdvdebnL0L+qJxVDCN0djU2dBylHB/YCnzMV8WBYUoIRx5rOr0r04VEMa6 X-Received: by 10.70.130.229 with SMTP id oh5mr140873pdb.39.1420590596340; Tue, 06 Jan 2015 16:29:56 -0800 (PST) Received: from localhost.localdomain ([50.242.95.105]) by mx.google.com with ESMTPSA id wi15sm53763pac.21.2015.01.06.16.29.55 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Jan 2015 16:29:55 -0800 (PST) From: Tom Haynes X-Google-Original-From: Tom Haynes To: Trond Myklebust Cc: Linux NFS Mailing list Subject: [PATCH v3 43/49] nfs41: allow async version layoutreturn Date: Tue, 6 Jan 2015 16:28:48 -0800 Message-Id: <1420590534-84063-44-git-send-email-loghyr@primarydata.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1420590534-84063-1-git-send-email-loghyr@primarydata.com> References: <1420590534-84063-1-git-send-email-loghyr@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 From: Peng Tao Signed-off-by: Peng Tao Signed-off-by: Tom Haynes --- fs/nfs/nfs4proc.c | 11 +++++++++-- fs/nfs/pnfs.c | 12 +++++++----- fs/nfs/pnfs.h | 2 +- 3 files changed, 17 insertions(+), 8 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index ac50af1..c20c5d6 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7801,7 +7801,7 @@ static const struct rpc_call_ops nfs4_layoutreturn_call_ops = { .rpc_release = nfs4_layoutreturn_release, }; -int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp) +int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync) { struct rpc_task *task; struct rpc_message msg = { @@ -7815,16 +7815,23 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp) .rpc_message = &msg, .callback_ops = &nfs4_layoutreturn_call_ops, .callback_data = lrp, + .flags = RPC_TASK_ASYNC, }; - int status; + int status = 0; dprintk("--> %s\n", __func__); nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1); task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); + if (sync == false) + goto out; + status = nfs4_wait_for_completion_rpc_task(task); + if (status != 0) + goto out; status = task->tk_status; trace_nfs4_layoutreturn(lrp->args.inode, status); +out: dprintk("<-- %s status=%d\n", __func__, status); rpc_put_task(task); return status; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 63beace..e889b97 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -52,7 +52,8 @@ static LIST_HEAD(pnfs_modules_tbl); static int pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid, - enum pnfs_iomode iomode, u64 offset, u64 length); + enum pnfs_iomode iomode, u64 offset, u64 length, + bool sync); /* Return the registered pnfs layout driver module matching given id */ static struct pnfs_layoutdriver_type * @@ -393,7 +394,7 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg) pnfs_free_lseg(lseg); if (need_return) pnfs_send_layoutreturn(lo, stateid, iomode, 0, - NFS4_MAX_UINT64); + NFS4_MAX_UINT64, true); else pnfs_put_layout_hdr(lo); } @@ -898,7 +899,8 @@ static void pnfs_clear_layoutcommit(struct inode *inode, static int pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid, - enum pnfs_iomode iomode, u64 offset, u64 length) + enum pnfs_iomode iomode, u64 offset, u64 length, + bool sync) { struct inode *ino = lo->plh_inode; struct nfs4_layoutreturn *lrp; @@ -924,7 +926,7 @@ pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid, lrp->clp = NFS_SERVER(ino)->nfs_client; lrp->cred = lo->plh_lc_cred; - status = nfs4_proc_layoutreturn(lrp); + status = nfs4_proc_layoutreturn(lrp, sync); out: if (status) { spin_lock(&ino->i_lock); @@ -991,7 +993,7 @@ _pnfs_return_layout(struct inode *ino) pnfs_free_lseg_list(&tmp_list); status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, 0, - NFS4_MAX_UINT64); + NFS4_MAX_UINT64, true); out: dprintk("<-- %s status: %d\n", __func__, status); return status; diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 26e7cd8..7a33c50 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -219,7 +219,7 @@ extern int nfs4_proc_getdeviceinfo(struct nfs_server *server, struct pnfs_device *dev, struct rpc_cred *cred); extern struct pnfs_layout_segment* nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags); -extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp); +extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync); /* pnfs.c */ void pnfs_get_layout_hdr(struct pnfs_layout_hdr *lo);