| buf.h (22975) | buf.h (26664) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 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 * @(#)buf.h 8.9 (Berkeley) 3/30/95 | 1/* 2 * Copyright (c) 1982, 1986, 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 * @(#)buf.h 8.9 (Berkeley) 3/30/95 |
| 39 * $Id$ | 39 * $Id: buf.h,v 1.38 1997/02/22 09:44:49 peter Exp $ |
| 40 */ 41 42#ifndef _SYS_BUF_H_ 43#define _SYS_BUF_H_ 44 45#include <sys/queue.h> 46 47#define NOLIST ((struct buf *)0x87654321) --- 141 unchanged lines hidden (view full) --- 189 190#ifdef KERNEL 191extern int nbuf; /* The number of buffer headers */ 192extern struct buf *buf; /* The buffer headers. */ 193extern char *buffers; /* The buffer contents. */ 194extern int bufpages; /* Number of memory pages in the buffer pool. */ 195extern struct buf *swbuf; /* Swap I/O buffer headers. */ 196extern int nswbuf; /* Number of swap I/O buffer headers. */ | 40 */ 41 42#ifndef _SYS_BUF_H_ 43#define _SYS_BUF_H_ 44 45#include <sys/queue.h> 46 47#define NOLIST ((struct buf *)0x87654321) --- 141 unchanged lines hidden (view full) --- 189 190#ifdef KERNEL 191extern int nbuf; /* The number of buffer headers */ 192extern struct buf *buf; /* The buffer headers. */ 193extern char *buffers; /* The buffer contents. */ 194extern int bufpages; /* Number of memory pages in the buffer pool. */ 195extern struct buf *swbuf; /* Swap I/O buffer headers. */ 196extern int nswbuf; /* Number of swap I/O buffer headers. */ |
| 197extern int needsbuffer, numdirtybuffers; |
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| 197extern TAILQ_HEAD(swqueue, buf) bswlist; 198 199void bufinit __P((void)); 200void bremfree __P((struct buf *)); 201int bread __P((struct vnode *, daddr_t, int, 202 struct ucred *, struct buf **)); 203int breadn __P((struct vnode *, daddr_t, int, daddr_t *, int *, int, 204 struct ucred *, struct buf **)); --- 34 unchanged lines hidden (view full) --- 239void pbgetvp __P((struct vnode *, struct buf *)); 240void pbrelvp __P((struct buf *)); 241void reassignbuf __P((struct buf *, struct vnode *)); 242struct buf *trypbuf __P((void)); 243void vm_bounce_alloc __P((struct buf *)); 244void vm_bounce_free __P((struct buf *)); 245vm_offset_t vm_bounce_kva_alloc __P((int)); 246void vm_bounce_kva_alloc_free __P((vm_offset_t, int)); | 198extern TAILQ_HEAD(swqueue, buf) bswlist; 199 200void bufinit __P((void)); 201void bremfree __P((struct buf *)); 202int bread __P((struct vnode *, daddr_t, int, 203 struct ucred *, struct buf **)); 204int breadn __P((struct vnode *, daddr_t, int, daddr_t *, int *, int, 205 struct ucred *, struct buf **)); --- 34 unchanged lines hidden (view full) --- 240void pbgetvp __P((struct vnode *, struct buf *)); 241void pbrelvp __P((struct buf *)); 242void reassignbuf __P((struct buf *, struct vnode *)); 243struct buf *trypbuf __P((void)); 244void vm_bounce_alloc __P((struct buf *)); 245void vm_bounce_free __P((struct buf *)); 246vm_offset_t vm_bounce_kva_alloc __P((int)); 247void vm_bounce_kva_alloc_free __P((vm_offset_t, int)); |
| 248void vfs_bio_need_satisfy __P((void)); |
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| 247#endif /* KERNEL */ 248 249#endif /* !_SYS_BUF_H_ */ | 249#endif /* KERNEL */ 250 251#endif /* !_SYS_BUF_H_ */ |