From owner-svn-src-stable-8@FreeBSD.ORG Tue Apr 27 10:47:54 2010 Return-Path: Delivered-To: svn-src-stable-8@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6AC76106564A; Tue, 27 Apr 2010 10:47:54 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 5A2128FC13; Tue, 27 Apr 2010 10:47:54 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o3RAls8S085353; Tue, 27 Apr 2010 10:47:54 GMT (envelope-from kib@svn.freebsd.org) Received: (from kib@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o3RAlsfe085351; Tue, 27 Apr 2010 10:47:54 GMT (envelope-from kib@svn.freebsd.org) Message-Id: <201004271047.o3RAlsfe085351@svn.freebsd.org> From: Konstantin Belousov Date: Tue, 27 Apr 2010 10:47:54 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org X-SVN-Group: stable-8 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r207270 - stable/8/sys/kern X-BeenThere: svn-src-stable-8@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for only the 8-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Apr 2010 10:47:54 -0000 Author: kib Date: Tue Apr 27 10:47:54 2010 New Revision: 207270 URL: http://svn.freebsd.org/changeset/base/207270 Log: MFC r206547: Handle a case in kern_openat() when vn_open() change file type from DTYPE_VNODE. Modified: stable/8/sys/kern/vfs_syscalls.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) stable/8/sys/geom/sched/ (props changed) Modified: stable/8/sys/kern/vfs_syscalls.c ============================================================================== --- stable/8/sys/kern/vfs_syscalls.c Tue Apr 27 09:48:43 2010 (r207269) +++ stable/8/sys/kern/vfs_syscalls.c Tue Apr 27 10:47:54 2010 (r207270) @@ -1047,8 +1047,6 @@ kern_openat(struct thread *td, int fd, c struct filedesc *fdp = p->p_fd; struct file *fp; struct vnode *vp; - struct vattr vat; - struct mount *mp; int cmode; struct file *nfp; int type, indx, error; @@ -1141,7 +1139,7 @@ kern_openat(struct thread *td, int fd, c } VOP_UNLOCK(vp, 0); - if (flags & (O_EXLOCK | O_SHLOCK)) { + if (fp->f_type == DTYPE_VNODE && (flags & (O_EXLOCK | O_SHLOCK)) != 0) { lf.l_whence = SEEK_SET; lf.l_start = 0; lf.l_len = 0; @@ -1158,18 +1156,7 @@ kern_openat(struct thread *td, int fd, c atomic_set_int(&fp->f_flag, FHASLOCK); } if (flags & O_TRUNC) { - if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0) - goto bad; - VATTR_NULL(&vat); - vat.va_size = 0; - vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); -#ifdef MAC - error = mac_vnode_check_write(td->td_ucred, fp->f_cred, vp); - if (error == 0) -#endif - error = VOP_SETATTR(vp, &vat, td->td_ucred); - VOP_UNLOCK(vp, 0); - vn_finished_write(mp); + error = fo_truncate(fp, 0, td->td_ucred, td); if (error) goto bad; }