From owner-svn-src-head@FreeBSD.ORG Sun Dec 21 13:32:09 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6FD07C69; Sun, 21 Dec 2014 13:32:09 +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 4257428A3; Sun, 21 Dec 2014 13:32:09 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sBLDW9LO030551; Sun, 21 Dec 2014 13:32:09 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id sBLDW8VC030548; Sun, 21 Dec 2014 13:32:08 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201412211332.sBLDW8VC030548@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 21 Dec 2014 13:32:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r276008 - in head/sys: kern sys 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: 2.1.18-1 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: Sun, 21 Dec 2014 13:32:09 -0000 Author: kib Date: Sun Dec 21 13:32:07 2014 New Revision: 276008 URL: https://svnweb.freebsd.org/changeset/base/276008 Log: Add VN_OPEN_NAMECACHE flag for vn_open_cred(9), which requests that the created file name was cached. Use the flag for core dumps. Requested by: rpaulo Tested by: pho (previous version) Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Modified: head/sys/kern/kern_sig.c head/sys/kern/vfs_vnops.c head/sys/sys/vnode.h Modified: head/sys/kern/kern_sig.c ============================================================================== --- head/sys/kern/kern_sig.c Sun Dec 21 13:29:33 2014 (r276007) +++ head/sys/kern/kern_sig.c Sun Dec 21 13:32:07 2014 (r276008) @@ -3167,7 +3167,8 @@ corefile_open(const char *comm, uid_t ui sbuf_delete(&sb); cmode = S_IRUSR | S_IWUSR; - oflags = VN_OPEN_NOAUDIT | (capmode_coredump ? VN_OPEN_NOCAPCHECK : 0); + oflags = VN_OPEN_NOAUDIT | VN_OPEN_NAMECACHE | + (capmode_coredump ? VN_OPEN_NOCAPCHECK : 0); /* * If the core format has a %I in it, then we need to check Modified: head/sys/kern/vfs_vnops.c ============================================================================== --- head/sys/kern/vfs_vnops.c Sun Dec 21 13:29:33 2014 (r276007) +++ head/sys/kern/vfs_vnops.c Sun Dec 21 13:32:07 2014 (r276008) @@ -217,6 +217,8 @@ restart: return (error); goto restart; } + if ((vn_open_flags & VN_OPEN_NAMECACHE) != 0) + ndp->ni_cnd.cn_flags |= MAKEENTRY; #ifdef MAC error = mac_vnode_check_create(cred, ndp->ni_dvp, &ndp->ni_cnd, vap); Modified: head/sys/sys/vnode.h ============================================================================== --- head/sys/sys/vnode.h Sun Dec 21 13:29:33 2014 (r276007) +++ head/sys/sys/vnode.h Sun Dec 21 13:32:07 2014 (r276008) @@ -580,6 +580,7 @@ typedef void vop_getpages_iodone_t(void /* vn_open_flags */ #define VN_OPEN_NOAUDIT 0x00000001 #define VN_OPEN_NOCAPCHECK 0x00000002 +#define VN_OPEN_NAMECACHE 0x00000004 /* * Public vnode manipulation functions.