| null_subr.c (50890) | null_subr.c (60833) |
|---|---|
| 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 --- 21 unchanged lines hidden (view full) --- 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)null_subr.c 8.7 (Berkeley) 5/14/95 37 * | 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 --- 21 unchanged lines hidden (view full) --- 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)null_subr.c 8.7 (Berkeley) 5/14/95 37 * |
| 38 * $FreeBSD: head/sys/fs/nullfs/null_subr.c 50890 1999-09-04 12:35:09Z bde $ | 38 * $FreeBSD: head/sys/fs/nullfs/null_subr.c 60833 2000-05-23 20:41:01Z jake $ |
| 39 */ 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/proc.h> 44#include <sys/vnode.h> 45#include <sys/mount.h> 46#include <sys/malloc.h> --- 7 unchanged lines hidden (view full) --- 54 * Each cache entry holds a reference to the lower vnode 55 * along with a pointer to the alias vnode. When an 56 * entry is added the lower vnode is VREF'd. When the 57 * alias is removed the lower vnode is vrele'd. 58 */ 59 60#define NULL_NHASH(vp) \ 61 (&null_node_hashtbl[(((uintptr_t)vp)>>LOG2_SIZEVNODE) & null_node_hash]) | 39 */ 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/proc.h> 44#include <sys/vnode.h> 45#include <sys/mount.h> 46#include <sys/malloc.h> --- 7 unchanged lines hidden (view full) --- 54 * Each cache entry holds a reference to the lower vnode 55 * along with a pointer to the alias vnode. When an 56 * entry is added the lower vnode is VREF'd. When the 57 * alias is removed the lower vnode is vrele'd. 58 */ 59 60#define NULL_NHASH(vp) \ 61 (&null_node_hashtbl[(((uintptr_t)vp)>>LOG2_SIZEVNODE) & null_node_hash]) |
| 62static LIST_HEAD(null_node_hashhead, null_node) *null_node_hashtbl; | 62static LIST_HEAD(null_node_hashhead, struct null_node) *null_node_hashtbl; |
| 63static u_long null_node_hash; 64 65static int null_node_alloc __P((struct mount *mp, struct vnode *lowervp, 66 struct vnode **vpp)); 67static struct vnode * 68 null_node_find __P((struct mount *mp, struct vnode *lowervp)); 69 70/* --- 231 unchanged lines hidden --- | 63static u_long null_node_hash; 64 65static int null_node_alloc __P((struct mount *mp, struct vnode *lowervp, 66 struct vnode **vpp)); 67static struct vnode * 68 null_node_find __P((struct mount *mp, struct vnode *lowervp)); 69 70/* --- 231 unchanged lines hidden --- |