| union_vfsops.c (33964) | union_vfsops.c (35256) |
|---|---|
| 1/* 2 * Copyright (c) 1994, 1995 The Regents of the University of California. 3 * Copyright (c) 1994, 1995 Jan-Simon Pendry. 4 * All rights reserved. 5 * 6 * This code is derived from software donated to Berkeley by 7 * Jan-Simon Pendry. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)union_vfsops.c 8.20 (Berkeley) 5/20/95 | 1/* 2 * Copyright (c) 1994, 1995 The Regents of the University of California. 3 * Copyright (c) 1994, 1995 Jan-Simon Pendry. 4 * All rights reserved. 5 * 6 * This code is derived from software donated to Berkeley by 7 * Jan-Simon Pendry. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)union_vfsops.c 8.20 (Berkeley) 5/20/95 |
| 38 * $Id: union_vfsops.c,v 1.26 1998/02/10 08:04:31 kato Exp $ | 38 * $Id: union_vfsops.c,v 1.27 1998/03/01 22:46:25 msmith Exp $ |
| 39 */ 40 41/* 42 * Union Layer 43 */ 44 45#include <sys/param.h> 46#include <sys/systm.h> --- 185 unchanged lines hidden (view full) --- 232 (um->um_lowervp->v_mount->mnt_flag & MNT_LOCAL)) && 233 (um->um_uppervp->v_mount->mnt_flag & MNT_LOCAL)) 234 mp->mnt_flag |= MNT_LOCAL; 235 } 236 237 /* 238 * Copy in the upper layer's RDONLY flag. This is for the benefit 239 * of lookup() which explicitly checks the flag, rather than asking | 39 */ 40 41/* 42 * Union Layer 43 */ 44 45#include <sys/param.h> 46#include <sys/systm.h> --- 185 unchanged lines hidden (view full) --- 232 (um->um_lowervp->v_mount->mnt_flag & MNT_LOCAL)) && 233 (um->um_uppervp->v_mount->mnt_flag & MNT_LOCAL)) 234 mp->mnt_flag |= MNT_LOCAL; 235 } 236 237 /* 238 * Copy in the upper layer's RDONLY flag. This is for the benefit 239 * of lookup() which explicitly checks the flag, rather than asking |
| 240 * the filesystem for it's own opinion. This means, that an update | 240 * the filesystem for its own opinion. This means, that an update |
| 241 * mount of the underlying filesystem to go from rdonly to rdwr 242 * will leave the unioned view as read-only. 243 */ 244 mp->mnt_flag |= (um->um_uppervp->v_mount->mnt_flag & MNT_RDONLY); 245 246 mp->mnt_data = (qaddr_t) um; 247 vfs_getnewfsid(mp); 248 --- 324 unchanged lines hidden --- | 241 * mount of the underlying filesystem to go from rdonly to rdwr 242 * will leave the unioned view as read-only. 243 */ 244 mp->mnt_flag |= (um->um_uppervp->v_mount->mnt_flag & MNT_RDONLY); 245 246 mp->mnt_data = (qaddr_t) um; 247 vfs_getnewfsid(mp); 248 --- 324 unchanged lines hidden --- |