From owner-svn-src-all@freebsd.org Fri Feb 15 11:20:26 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2942A14D6B2F; Fri, 15 Feb 2019 11:20:26 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C018F8BF6E; Fri, 15 Feb 2019 11:20:25 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B44931DD12; Fri, 15 Feb 2019 11:20:25 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1FBKPga049825; Fri, 15 Feb 2019 11:20:25 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1FBKPdh049824; Fri, 15 Feb 2019 11:20:25 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201902151120.x1FBKPdh049824@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Fri, 15 Feb 2019 11:20:25 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r344154 - stable/12/sys/fs/nullfs X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/12/sys/fs/nullfs X-SVN-Commit-Revision: 344154 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: C018F8BF6E X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; NEURAL_HAM_SHORT(-0.97)[-0.968,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.999,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Feb 2019 11:20:26 -0000 Author: kib Date: Fri Feb 15 11:20:25 2019 New Revision: 344154 URL: https://svnweb.freebsd.org/changeset/base/344154 Log: MFC r343899: In null_vptocnp(), cache vp->v_mount and use it for null_nodeget() call. PR: 235549 Modified: stable/12/sys/fs/nullfs/null_vnops.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/fs/nullfs/null_vnops.c ============================================================================== --- stable/12/sys/fs/nullfs/null_vnops.c Fri Feb 15 11:19:12 2019 (r344153) +++ stable/12/sys/fs/nullfs/null_vnops.c Fri Feb 15 11:20:25 2019 (r344154) @@ -870,11 +870,14 @@ null_vptocnp(struct vop_vptocnp_args *ap) struct vnode **dvp = ap->a_vpp; struct vnode *lvp, *ldvp; struct ucred *cred = ap->a_cred; + struct mount *mp; int error, locked; locked = VOP_ISLOCKED(vp); lvp = NULLVPTOLOWERVP(vp); vhold(lvp); + mp = vp->v_mount; + vfs_ref(mp); VOP_UNLOCK(vp, 0); /* vp is held by vn_vptocnp_locked that called us */ ldvp = lvp; vref(lvp); @@ -882,6 +885,7 @@ null_vptocnp(struct vop_vptocnp_args *ap) vdrop(lvp); if (error != 0) { vn_lock(vp, locked | LK_RETRY); + vfs_rel(mp); return (ENOENT); } @@ -893,9 +897,10 @@ null_vptocnp(struct vop_vptocnp_args *ap) if (error != 0) { vrele(ldvp); vn_lock(vp, locked | LK_RETRY); + vfs_rel(mp); return (ENOENT); } - error = null_nodeget(vp->v_mount, ldvp, dvp); + error = null_nodeget(mp, ldvp, dvp); if (error == 0) { #ifdef DIAGNOSTIC NULLVPTOLOWERVP(*dvp); @@ -903,6 +908,7 @@ null_vptocnp(struct vop_vptocnp_args *ap) VOP_UNLOCK(*dvp, 0); /* keep reference on *dvp */ } vn_lock(vp, locked | LK_RETRY); + vfs_rel(mp); return (error); }