Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-ie0-f182.google.com ([209.85.223.182]:44534 "EHLO mail-ie0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751154AbaLXHOP (ORCPT ); Wed, 24 Dec 2014 02:14:15 -0500 Received: by mail-ie0-f182.google.com with SMTP id x19so7192585ier.41 for ; Tue, 23 Dec 2014 23:14:15 -0800 (PST) From: Tom Haynes To: Trond Myklebust Cc: Linux NFS Mailing List Subject: [PATCH v2 43/49] nfs41: allow async version layoutreturn Date: Tue, 23 Dec 2014 23:13:22 -0800 Message-Id: <1419405208-25975-44-git-send-email-loghyr@primarydata.com> In-Reply-To: <1419405208-25975-1-git-send-email-loghyr@primarydata.com> References: <1419405208-25975-1-git-send-email-loghyr@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: 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 bf5ef58..53df457 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7800,7 +7800,7 @@ 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 = { @@ -7814,16 +7814,23 @@ 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); -- 1.9.3