| cd9660_vnops.c (111741) | cd9660_vnops.c (111742) |
|---|---|
| 1/*- 2 * Copyright (c) 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley 6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 7 * Support code is derived from software contributed to Berkeley 8 * by Atsushi Murai (amurai@spec.co.jp). --- 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 * @(#)cd9660_vnops.c 8.19 (Berkeley) 5/27/95 | 1/*- 2 * Copyright (c) 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley 6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 7 * Support code is derived from software contributed to Berkeley 8 * by Atsushi Murai (amurai@spec.co.jp). --- 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 * @(#)cd9660_vnops.c 8.19 (Berkeley) 5/27/95 |
| 39 * $FreeBSD: head/sys/fs/cd9660/cd9660_vnops.c 111741 2003-03-02 15:50:23Z des $ | 39 * $FreeBSD: head/sys/fs/cd9660/cd9660_vnops.c 111742 2003-03-02 15:56:49Z des $ |
| 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/namei.h> 45#include <sys/kernel.h> 46#include <sys/stat.h> 47#include <sys/bio.h> --- 38 unchanged lines hidden (view full) --- 86 struct vattr *a_vap; 87 struct ucred *a_cred; 88 struct thread *a_td; 89 } */ *ap; 90{ 91 struct vnode *vp = ap->a_vp; 92 struct vattr *vap = ap->a_vap; 93 | 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/namei.h> 45#include <sys/kernel.h> 46#include <sys/stat.h> 47#include <sys/bio.h> --- 38 unchanged lines hidden (view full) --- 86 struct vattr *a_vap; 87 struct ucred *a_cred; 88 struct thread *a_td; 89 } */ *ap; 90{ 91 struct vnode *vp = ap->a_vp; 92 struct vattr *vap = ap->a_vap; 93 |
| 94 if (vap->va_flags != (u_long)VNOVAL || vap->va_uid != (uid_t)VNOVAL || | 94 if (vap->va_flags != (u_long)VNOVAL || vap->va_uid != (uid_t)VNOVAL || |
| 95 vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL || 96 vap->va_mtime.tv_sec != VNOVAL || vap->va_mode != (mode_t)VNOVAL) 97 return (EROFS); 98 if (vap->va_size != (u_quad_t)VNOVAL) { | 95 vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL || 96 vap->va_mtime.tv_sec != VNOVAL || vap->va_mode != (mode_t)VNOVAL) 97 return (EROFS); 98 if (vap->va_size != (u_quad_t)VNOVAL) { |
| 99 switch (vp->v_type) { 100 case VDIR: 101 return (EISDIR); | 99 switch (vp->v_type) { 100 case VDIR: 101 return (EISDIR); |
| 102 case VLNK: 103 case VREG: 104 return (EROFS); | 102 case VLNK: 103 case VREG: 104 return (EROFS); |
| 105 case VCHR: 106 case VBLK: 107 case VSOCK: 108 case VFIFO: | 105 case VCHR: 106 case VBLK: 107 case VSOCK: 108 case VFIFO: |
| 109 case VNON: 110 case VBAD: 111 return (0); 112 } 113 } 114 return (0); 115} 116 --- 43 unchanged lines hidden (view full) --- 160 struct vnode *a_vp; 161 struct vattr *a_vap; 162 struct ucred *a_cred; 163 struct thread *a_td; 164 } */ *ap; 165 166{ 167 struct vnode *vp = ap->a_vp; | 109 case VNON: 110 case VBAD: 111 return (0); 112 } 113 } 114 return (0); 115} 116 --- 43 unchanged lines hidden (view full) --- 160 struct vnode *a_vp; 161 struct vattr *a_vap; 162 struct ucred *a_cred; 163 struct thread *a_td; 164 } */ *ap; 165 166{ 167 struct vnode *vp = ap->a_vp; |
| 168 register struct vattr *vap = ap->a_vap; 169 register struct iso_node *ip = VTOI(vp); | 168 struct vattr *vap = ap->a_vap; 169 struct iso_node *ip = VTOI(vp); |
| 170 171 vap->va_fsid = dev2udev(ip->i_dev); 172 173 /* 174 * Don't use ip->i_ino for this since it is wrong for hard links. 175 * ip->i_ino should be the same as ip->iso_start (or not exist), 176 * but this currently doesn't work since we abuse it to look up 177 * parent directories from inodes. --- 54 unchanged lines hidden (view full) --- 232 int a_fflag; 233 struct ucred *a_cred; 234 struct thread *a_td; 235 } */ *ap; 236{ 237 struct vnode *vp = ap->a_vp; 238 struct iso_node *ip = VTOI(vp); 239 | 170 171 vap->va_fsid = dev2udev(ip->i_dev); 172 173 /* 174 * Don't use ip->i_ino for this since it is wrong for hard links. 175 * ip->i_ino should be the same as ip->iso_start (or not exist), 176 * but this currently doesn't work since we abuse it to look up 177 * parent directories from inodes. --- 54 unchanged lines hidden (view full) --- 232 int a_fflag; 233 struct ucred *a_cred; 234 struct thread *a_td; 235 } */ *ap; 236{ 237 struct vnode *vp = ap->a_vp; 238 struct iso_node *ip = VTOI(vp); 239 |
| 240 switch (ap->a_command) { | 240 switch (ap->a_command) { |
| 241 | 241 |
| 242 case FIOGETLBA: | 242 case FIOGETLBA: |
| 243 *(int *)(ap->a_data) = ip->iso_start; 244 return 0; | 243 *(int *)(ap->a_data) = ip->iso_start; 244 return 0; |
| 245 default: 246 return (ENOTTY); 247 } | 245 default: 246 return (ENOTTY); 247 } |
| 248} 249 250/* 251 * Vnode op for reading. 252 */ 253static int 254cd9660_read(ap) 255 struct vop_read_args /* { 256 struct vnode *a_vp; 257 struct uio *a_uio; 258 int a_ioflag; 259 struct ucred *a_cred; 260 } */ *ap; 261{ 262 struct vnode *vp = ap->a_vp; | 248} 249 250/* 251 * Vnode op for reading. 252 */ 253static int 254cd9660_read(ap) 255 struct vop_read_args /* { 256 struct vnode *a_vp; 257 struct uio *a_uio; 258 int a_ioflag; 259 struct ucred *a_cred; 260 } */ *ap; 261{ 262 struct vnode *vp = ap->a_vp; |
| 263 register struct uio *uio = ap->a_uio; 264 register struct iso_node *ip = VTOI(vp); 265 register struct iso_mnt *imp; | 263 struct uio *uio = ap->a_uio; 264 struct iso_node *ip = VTOI(vp); 265 struct iso_mnt *imp; |
| 266 struct buf *bp; 267 daddr_t lbn, rablock; 268 off_t diff; 269 int rasize, error = 0; 270 int seqcount; 271 long size, n, on; 272 273 seqcount = ap->a_ioflag >> 16; --- 14 unchanged lines hidden (view full) --- 288 return (0); 289 if (diff < n) 290 n = diff; 291 size = blksize(imp, ip, lbn); 292 rablock = lbn + 1; 293 if ((vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0) { 294 if (lblktosize(imp, rablock) < ip->i_size) 295 error = cluster_read(vp, (off_t)ip->i_size, | 266 struct buf *bp; 267 daddr_t lbn, rablock; 268 off_t diff; 269 int rasize, error = 0; 270 int seqcount; 271 long size, n, on; 272 273 seqcount = ap->a_ioflag >> 16; --- 14 unchanged lines hidden (view full) --- 288 return (0); 289 if (diff < n) 290 n = diff; 291 size = blksize(imp, ip, lbn); 292 rablock = lbn + 1; 293 if ((vp->v_mount->mnt_flag & MNT_NOCLUSTERR) == 0) { 294 if (lblktosize(imp, rablock) < ip->i_size) 295 error = cluster_read(vp, (off_t)ip->i_size, |
| 296 lbn, size, NOCRED, uio->uio_resid, | 296 lbn, size, NOCRED, uio->uio_resid, |
| 297 (ap->a_ioflag >> 16), &bp); 298 else 299 error = bread(vp, lbn, size, NOCRED, &bp); 300 } else { 301 if (seqcount > 1 && 302 lblktosize(imp, rablock) < ip->i_size) { 303 rasize = blksize(imp, ip, rablock); 304 error = breadn(vp, lbn, size, &rablock, --- 121 unchanged lines hidden (view full) --- 426 struct vnode *a_vp; 427 struct uio *a_uio; 428 struct ucred *a_cred; 429 int *a_eofflag; 430 int *a_ncookies; 431 u_long *a_cookies; 432 } */ *ap; 433{ | 297 (ap->a_ioflag >> 16), &bp); 298 else 299 error = bread(vp, lbn, size, NOCRED, &bp); 300 } else { 301 if (seqcount > 1 && 302 lblktosize(imp, rablock) < ip->i_size) { 303 rasize = blksize(imp, ip, rablock); 304 error = breadn(vp, lbn, size, &rablock, --- 121 unchanged lines hidden (view full) --- 426 struct vnode *a_vp; 427 struct uio *a_uio; 428 struct ucred *a_cred; 429 int *a_eofflag; 430 int *a_ncookies; 431 u_long *a_cookies; 432 } */ *ap; 433{ |
| 434 register struct uio *uio = ap->a_uio; | 434 struct uio *uio = ap->a_uio; |
| 435 struct isoreaddir *idp; 436 struct vnode *vdp = ap->a_vp; 437 struct iso_node *dp; 438 struct iso_mnt *imp; 439 struct buf *bp = NULL; 440 struct iso_directory_record *ep; 441 int entryoffsetinblock; 442 doff_t endsearch; --- 224 unchanged lines hidden (view full) --- 667 /* 668 * Now get a buffer 669 * Abuse a namei buffer for now. 670 */ 671 if (uio->uio_segflg == UIO_SYSSPACE) 672 symname = uio->uio_iov->iov_base; 673 else 674 symname = uma_zalloc(namei_zone, M_WAITOK); | 435 struct isoreaddir *idp; 436 struct vnode *vdp = ap->a_vp; 437 struct iso_node *dp; 438 struct iso_mnt *imp; 439 struct buf *bp = NULL; 440 struct iso_directory_record *ep; 441 int entryoffsetinblock; 442 doff_t endsearch; --- 224 unchanged lines hidden (view full) --- 667 /* 668 * Now get a buffer 669 * Abuse a namei buffer for now. 670 */ 671 if (uio->uio_segflg == UIO_SYSSPACE) 672 symname = uio->uio_iov->iov_base; 673 else 674 symname = uma_zalloc(namei_zone, M_WAITOK); |
| 675 | 675 |
| 676 /* 677 * Ok, we just gathering a symbolic name in SL record. 678 */ 679 if (cd9660_rrip_getsymname(dirp, symname, &symlen, imp) == 0) { 680 if (uio->uio_segflg != UIO_SYSSPACE) 681 uma_zfree(namei_zone, symname); 682 brelse(bp); 683 return (EINVAL); --- 23 unchanged lines hidden (view full) --- 707 */ 708static int 709cd9660_strategy(ap) 710 struct vop_strategy_args /* { 711 struct buf *a_vp; 712 struct buf *a_bp; 713 } */ *ap; 714{ | 676 /* 677 * Ok, we just gathering a symbolic name in SL record. 678 */ 679 if (cd9660_rrip_getsymname(dirp, symname, &symlen, imp) == 0) { 680 if (uio->uio_segflg != UIO_SYSSPACE) 681 uma_zfree(namei_zone, symname); 682 brelse(bp); 683 return (EINVAL); --- 23 unchanged lines hidden (view full) --- 707 */ 708static int 709cd9660_strategy(ap) 710 struct vop_strategy_args /* { 711 struct buf *a_vp; 712 struct buf *a_bp; 713 } */ *ap; 714{ |
| 715 register struct buf *bp = ap->a_bp; 716 register struct vnode *vp = bp->b_vp; 717 register struct iso_node *ip; | 715 struct buf *bp = ap->a_bp; 716 struct vnode *vp = bp->b_vp; 717 struct iso_node *ip; |
| 718 719 ip = VTOI(vp); 720 if (vp->v_type == VBLK || vp->v_type == VCHR) 721 panic("cd9660_strategy: spec"); 722 if (bp->b_blkno == bp->b_lblkno) { | 718 719 ip = VTOI(vp); 720 if (vp->v_type == VBLK || vp->v_type == VCHR) 721 panic("cd9660_strategy: spec"); 722 if (bp->b_blkno == bp->b_lblkno) { |
| 723 bp->b_blkno = (ip->iso_start + bp->b_lblkno) << | 723 bp->b_blkno = (ip->iso_start + bp->b_lblkno) << |
| 724 (ip->i_mnt->im_bshift - DEV_BSHIFT); 725 if ((long)bp->b_blkno == -1) /* XXX: cut&paste junk ? */ 726 clrbuf(bp); 727 } 728 if ((long)bp->b_blkno == -1) { /* XXX: cut&paste junk ? */ 729 bufdone(bp); 730 return (0); 731 } --- 106 unchanged lines hidden --- | 724 (ip->i_mnt->im_bshift - DEV_BSHIFT); 725 if ((long)bp->b_blkno == -1) /* XXX: cut&paste junk ? */ 726 clrbuf(bp); 727 } 728 if ((long)bp->b_blkno == -1) { /* XXX: cut&paste junk ? */ 729 bufdone(bp); 730 return (0); 731 } --- 106 unchanged lines hidden --- |