1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)vfs_subr.c 8.13 (Berkeley) 4/18/94 |
39 * $Id: vfs_subr.c,v 1.15 1995/01/10 07:32:36 davidg Exp $ |
40 */ 41 42/* 43 * External virtual filesystem routines 44 */ 45 46#include <sys/param.h> 47#include <sys/systm.h> --- 364 unchanged lines hidden (view full) --- 412{ 413 register struct vnode *vp; 414 415 bp->b_flags &= ~B_WRITEINPROG; 416 if ((vp = bp->b_vp)) { 417 vp->v_numoutput--; 418 if (vp->v_numoutput < 0) 419 panic("vwakeup: neg numoutput"); |
420 if ((vp->v_numoutput == 0) && (vp->v_flag & VBWAIT)) { |
421 vp->v_flag &= ~VBWAIT; 422 wakeup((caddr_t) &vp->v_numoutput); 423 } 424 } 425} 426 427/* 428 * Flush out and invalidate all buffers associated with a vnode. --- 1075 unchanged lines hidden --- |