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Wed, 14 Jan 2015 08:46:14 -0800 (PST) From: Tom Haynes X-Google-Original-From: Tom Haynes To: Trond Myklebust Cc: Linux NFS Mailing list Subject: [PATCH v4 43/50] nfs41: allow async version layoutreturn Date: Wed, 14 Jan 2015 08:44:49 -0800 Message-Id: <1421253896-73106-44-git-send-email-loghyr@primarydata.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1421253896-73106-1-git-send-email-loghyr@primarydata.com> References: <1421253896-73106-1-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 | 11 ++++++----- fs/nfs/pnfs.h | 2 +- 3 files changed, 16 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 9549b89..0a0e209 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -52,7 +52,7 @@ static LIST_HEAD(pnfs_modules_tbl); static int pnfs_send_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid stateid, - enum pnfs_iomode iomode); + enum pnfs_iomode iomode, bool sync); /* Return the registered pnfs layout driver module matching given id */ static struct pnfs_layoutdriver_type * @@ -392,7 +392,8 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg) spin_unlock(&inode->i_lock); pnfs_free_lseg(lseg); if (need_return) - pnfs_send_layoutreturn(lo, stateid, iomode); + pnfs_send_layoutreturn(lo, stateid, iomode, + true); else pnfs_put_layout_hdr(lo); } @@ -897,7 +898,7 @@ 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) + enum pnfs_iomode iomode, bool sync) { struct inode *ino = lo->plh_inode; struct nfs4_layoutreturn *lrp; @@ -923,7 +924,7 @@ 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); @@ -989,7 +990,7 @@ _pnfs_return_layout(struct inode *ino) spin_unlock(&ino->i_lock); pnfs_free_lseg_list(&tmp_list); - status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY); + status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, true); out: dprintk("<-- %s status: %d\n", __func__, status); return status; diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 6d2b544..1da6641 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);