null_subr.c (245004) | null_subr.c (245033) |
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1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software donated to Berkeley by 6 * Jan-Simon Pendry. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 17 unchanged lines hidden (view full) --- 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)null_subr.c 8.7 (Berkeley) 5/14/95 33 * | 1/*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software donated to Berkeley by 6 * Jan-Simon Pendry. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 17 unchanged lines hidden (view full) --- 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)null_subr.c 8.7 (Berkeley) 5/14/95 33 * |
34 * $FreeBSD: head/sys/fs/nullfs/null_subr.c 245004 2013-01-03 19:17:57Z kib $ | 34 * $FreeBSD: head/sys/fs/nullfs/null_subr.c 245033 2013-01-04 07:52:47Z kib $ |
35 */ 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/malloc.h> --- 176 unchanged lines hidden (view full) --- 219 } 220 221 /* 222 * The insmntque1() call below requires the exclusive lock on 223 * the nullfs vnode. Upgrade the lock now if hash failed to 224 * provide ready to use vnode. 225 */ 226 if (VOP_ISLOCKED(lowervp) != LK_EXCLUSIVE) { | 35 */ 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/malloc.h> --- 176 unchanged lines hidden (view full) --- 219 } 220 221 /* 222 * The insmntque1() call below requires the exclusive lock on 223 * the nullfs vnode. Upgrade the lock now if hash failed to 224 * provide ready to use vnode. 225 */ 226 if (VOP_ISLOCKED(lowervp) != LK_EXCLUSIVE) { |
227 KASSERT((MOUNTTONULLMOUNT(mp)->nullm_flags & NULLM_CACHE) == 0, | 227 KASSERT((MOUNTTONULLMOUNT(mp)->nullm_flags & NULLM_CACHE) != 0, |
228 ("lowervp %p is not excl locked and cache is disabled", 229 lowervp)); 230 vn_lock(lowervp, LK_UPGRADE | LK_RETRY); 231 if ((lowervp->v_iflag & VI_DOOMED) != 0) { 232 vput(lowervp); 233 return (ENOENT); 234 } 235 } --- 90 unchanged lines hidden --- | 228 ("lowervp %p is not excl locked and cache is disabled", 229 lowervp)); 230 vn_lock(lowervp, LK_UPGRADE | LK_RETRY); 231 if ((lowervp->v_iflag & VI_DOOMED) != 0) { 232 vput(lowervp); 233 return (ENOENT); 234 } 235 } --- 90 unchanged lines hidden --- |