| vfs_vnops.c (88149) | vfs_vnops.c (89306) |
|---|---|
| 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 * @(#)vfs_vnops.c 8.2 (Berkeley) 1/21/94 | 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 * @(#)vfs_vnops.c 8.2 (Berkeley) 1/21/94 |
| 39 * $FreeBSD: head/sys/kern/vfs_vnops.c 88149 2001-12-18 20:48:54Z dillon $ | 39 * $FreeBSD: head/sys/kern/vfs_vnops.c 89306 2002-01-13 11:58:06Z alfred $ |
| 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/fcntl.h> 45#include <sys/file.h> 46#include <sys/stat.h> 47#include <sys/proc.h> --- 212 unchanged lines hidden (view full) --- 260 vrele(vp); 261 return (error); 262} 263 264static __inline 265int 266sequential_heuristic(struct uio *uio, struct file *fp) 267{ | 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/fcntl.h> 45#include <sys/file.h> 46#include <sys/stat.h> 47#include <sys/proc.h> --- 212 unchanged lines hidden (view full) --- 260 vrele(vp); 261 return (error); 262} 263 264static __inline 265int 266sequential_heuristic(struct uio *uio, struct file *fp) 267{ |
| 268 |
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| 268 /* 269 * Sequential heuristic - detect sequential operation 270 */ 271 if ((uio->uio_offset == 0 && fp->f_seqcount > 0) || 272 uio->uio_offset == fp->f_nextoff) { 273 /* 274 * XXX we assume that the filesystem block size is 275 * the default. Not true, but still gives us a pretty --- 165 unchanged lines hidden (view full) --- 441 struct mount *mp; 442 int error, ioflag; 443 444 KASSERT(uio->uio_td == td, ("uio_td %p is not td %p", 445 uio->uio_td, td)); 446 vp = (struct vnode *)fp->f_data; 447 if (vp->v_type == VREG) 448 bwillwrite(); | 269 /* 270 * Sequential heuristic - detect sequential operation 271 */ 272 if ((uio->uio_offset == 0 && fp->f_seqcount > 0) || 273 uio->uio_offset == fp->f_nextoff) { 274 /* 275 * XXX we assume that the filesystem block size is 276 * the default. Not true, but still gives us a pretty --- 165 unchanged lines hidden (view full) --- 442 struct mount *mp; 443 int error, ioflag; 444 445 KASSERT(uio->uio_td == td, ("uio_td %p is not td %p", 446 uio->uio_td, td)); 447 vp = (struct vnode *)fp->f_data; 448 if (vp->v_type == VREG) 449 bwillwrite(); |
| 449 vp = (struct vnode *)fp->f_data; /* XXX needed? */ | |
| 450 ioflag = IO_UNIT; 451 if (vp->v_type == VREG && (fp->f_flag & O_APPEND)) 452 ioflag |= IO_APPEND; 453 if (fp->f_flag & FNONBLOCK) 454 ioflag |= IO_NDELAY; 455 if (fp->f_flag & O_DIRECT) 456 ioflag |= IO_DIRECT; 457 if ((fp->f_flag & O_FSYNC) || --- 522 unchanged lines hidden --- | 450 ioflag = IO_UNIT; 451 if (vp->v_type == VREG && (fp->f_flag & O_APPEND)) 452 ioflag |= IO_APPEND; 453 if (fp->f_flag & FNONBLOCK) 454 ioflag |= IO_NDELAY; 455 if (fp->f_flag & O_DIRECT) 456 ioflag |= IO_DIRECT; 457 if ((fp->f_flag & O_FSYNC) || --- 522 unchanged lines hidden --- |