From owner-svn-src-head@FreeBSD.ORG Sat Apr 19 19:40:21 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4923BFA6; Sat, 19 Apr 2014 19:40:21 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 34EDC1875; Sat, 19 Apr 2014 19:40:21 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s3JJeL5A009445; Sat, 19 Apr 2014 19:40:21 GMT (envelope-from rmacklem@svn.freebsd.org) Received: (from rmacklem@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s3JJeK59009443; Sat, 19 Apr 2014 19:40:20 GMT (envelope-from rmacklem@svn.freebsd.org) Message-Id: <201404191940.s3JJeK59009443@svn.freebsd.org> From: Rick Macklem Date: Sat, 19 Apr 2014 19:40:20 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r264681 - head/sys/fs/nfsclient X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Apr 2014 19:40:21 -0000 Author: rmacklem Date: Sat Apr 19 19:40:20 2014 New Revision: 264681 URL: http://svnweb.freebsd.org/changeset/base/264681 Log: Modify the NFSv4 client open/create RPC so that it acquires post-open/create directory attributes. This allows the RPC to name cache the newly created file and reduces the lookup RPC count by about 10% for software builds. MFC after: 2 weeks Modified: head/sys/fs/nfsclient/nfs_clcomsubs.c head/sys/fs/nfsclient/nfs_clrpcops.c Modified: head/sys/fs/nfsclient/nfs_clcomsubs.c ============================================================================== --- head/sys/fs/nfsclient/nfs_clcomsubs.c Sat Apr 19 19:32:54 2014 (r264680) +++ head/sys/fs/nfsclient/nfs_clcomsubs.c Sat Apr 19 19:40:20 2014 (r264681) @@ -66,7 +66,7 @@ static struct { { NFSV4OP_READLINK, 2, "Readlink", 8, }, { NFSV4OP_READ, 1, "Read", 4, }, { NFSV4OP_WRITE, 2, "Write", 5, }, - { NFSV4OP_OPEN, 3, "Open", 4, }, + { NFSV4OP_OPEN, 5, "Open", 4, }, { NFSV4OP_CREATE, 3, "Create", 6, }, { NFSV4OP_CREATE, 1, "Create", 6, }, { NFSV4OP_CREATE, 3, "Create", 6, }, Modified: head/sys/fs/nfsclient/nfs_clrpcops.c ============================================================================== --- head/sys/fs/nfsclient/nfs_clrpcops.c Sat Apr 19 19:32:54 2014 (r264680) +++ head/sys/fs/nfsclient/nfs_clrpcops.c Sat Apr 19 19:40:20 2014 (r264681) @@ -1956,6 +1956,7 @@ nfsrpc_createv4(vnode_t dvp, char *name, struct nfsmount *nmp; nmp = VFSTONFS(dvp->v_mount); + np = VTONFS(dvp); *unlockedp = 0; *nfhpp = NULL; *dpp = NULL; @@ -2005,17 +2006,22 @@ nfsrpc_createv4(vnode_t dvp, char *name, NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED); *tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL); (void) nfsm_strtom(nd, name, namelen); + /* Get the new file's handle and attributes. */ NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED); *tl++ = txdr_unsigned(NFSV4OP_GETFH); *tl = txdr_unsigned(NFSV4OP_GETATTR); NFSGETATTR_ATTRBIT(&attrbits); (void) nfsrv_putattrbit(nd, &attrbits); + /* Get the directory's post-op attributes. */ + NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_PUTFH); + (void) nfsm_fhtom(nd, np->n_fhp->nfh_fh, np->n_fhp->nfh_len, 0); + NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_GETATTR); + (void) nfsrv_putattrbit(nd, &attrbits); error = nfscl_request(nd, dvp, p, cred, dstuff); if (error) return (error); - error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff); - if (error) - goto nfsmout; NFSCL_INCRSEQID(owp->nfsow_seqid, nd); if (nd->nd_repstat == 0) { NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + @@ -2087,6 +2093,13 @@ nfsrpc_createv4(vnode_t dvp, char *name, error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp); if (error) goto nfsmout; + /* Get rid of the PutFH and Getattr status values. */ + NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED); + /* Load the directory attributes. */ + error = nfsm_loadattr(nd, dnap); + if (error) + goto nfsmout; + *dattrflagp = 1; if (dp != NULL && *attrflagp) { dp->nfsdl_change = nnap->na_filerev; dp->nfsdl_modtime = nnap->na_mtime; @@ -2130,7 +2143,6 @@ nfsrpc_createv4(vnode_t dvp, char *name, if ((rflags & NFSV4OPEN_RESULTCONFIRM) && (owp->nfsow_clp->nfsc_flags & NFSCLFLAGS_GOTDELEG) && !error && dp == NULL) { - np = VTONFS(dvp); do { ret = nfsrpc_openrpc(VFSTONFS(vnode_mount(dvp)), dvp, np->n_fhp->nfh_fh, np->n_fhp->nfh_len,