1 /* 2 * Copyright (c) 1986, 1989, 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)lfs_vnops.c 7.86 (Berkeley) 07/05/92 8 */ 9 10 #include <sys/param.h> 11 #include <sys/systm.h> 12 #include <sys/namei.h> 13 #include <sys/resourcevar.h> 14 #include <sys/kernel.h> 15 #include <sys/file.h> 16 #include <sys/stat.h> 17 #include <sys/buf.h> 18 #include <sys/proc.h> 19 #include <sys/conf.h> 20 #include <sys/mount.h> 21 #include <sys/vnode.h> 22 #include <sys/specdev.h> 23 #include <sys/fifo.h> 24 #include <sys/malloc.h> 25 26 #include <vm/vm.h> 27 28 #include <ufs/ufs/quota.h> 29 #include <ufs/ufs/inode.h> 30 #include <ufs/ufs/dir.h> 31 #include <ufs/ufs/ufs_extern.h> 32 33 #include <ufs/lfs/lfs.h> 34 #include <ufs/lfs/lfs_extern.h> 35 36 /* Global vfs data structures for lfs. */ 37 int (**lfs_vnodeop_p)(); 38 struct vnodeopv_entry_desc lfs_vnodeop_entries[] = { 39 { &vop_default_desc, vn_default_error }, 40 { &vop_lookup_desc, ufs_lookup }, /* lookup */ 41 { &vop_create_desc, lfs_create }, /* create */ 42 { &vop_mknod_desc, lfs_mknod }, /* mknod */ 43 { &vop_open_desc, ufs_open }, /* open */ 44 { &vop_close_desc, ufs_close }, /* close */ 45 { &vop_access_desc, ufs_access }, /* access */ 46 { &vop_getattr_desc, ufs_getattr }, /* getattr */ 47 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 48 { &vop_read_desc, lfs_read }, /* read */ 49 { &vop_write_desc, lfs_write }, /* write */ 50 { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ 51 { &vop_select_desc, ufs_select }, /* select */ 52 { &vop_mmap_desc, ufs_mmap }, /* mmap */ 53 { &vop_fsync_desc, lfs_fsync }, /* fsync */ 54 { &vop_seek_desc, ufs_seek }, /* seek */ 55 { &vop_remove_desc, lfs_remove }, /* remove */ 56 { &vop_link_desc, lfs_link }, /* link */ 57 { &vop_rename_desc, lfs_rename }, /* rename */ 58 { &vop_mkdir_desc, lfs_mkdir }, /* mkdir */ 59 { &vop_rmdir_desc, lfs_rmdir }, /* rmdir */ 60 { &vop_symlink_desc, lfs_symlink }, /* symlink */ 61 { &vop_readdir_desc, ufs_readdir }, /* readdir */ 62 { &vop_readlink_desc, ufs_readlink }, /* readlink */ 63 { &vop_abortop_desc, ufs_abortop }, /* abortop */ 64 { &vop_inactive_desc, lfs_inactive }, /* inactive */ 65 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 66 { &vop_lock_desc, ufs_lock }, /* lock */ 67 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 68 { &vop_bmap_desc, lfs_bmap }, /* bmap */ 69 { &vop_strategy_desc, ufs_strategy }, /* strategy */ 70 { &vop_print_desc, ufs_print }, /* print */ 71 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 72 { &vop_advlock_desc, ufs_advlock }, /* advlock */ 73 { &vop_blkatoff_desc, lfs_blkatoff }, /* blkatoff */ 74 { &vop_valloc_desc, lfs_valloc }, /* valloc */ 75 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 76 { &vop_truncate_desc, lfs_truncate }, /* truncate */ 77 { &vop_update_desc, lfs_update }, /* update */ 78 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 79 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 80 }; 81 struct vnodeopv_desc lfs_vnodeop_opv_desc = 82 { &lfs_vnodeop_p, lfs_vnodeop_entries }; 83 84 int (**lfs_specop_p)(); 85 struct vnodeopv_entry_desc lfs_specop_entries[] = { 86 { &vop_default_desc, vn_default_error }, 87 { &vop_lookup_desc, spec_lookup }, /* lookup */ 88 { &vop_create_desc, spec_create }, /* create */ 89 { &vop_mknod_desc, spec_mknod }, /* mknod */ 90 { &vop_open_desc, spec_open }, /* open */ 91 { &vop_close_desc, ufsspec_close }, /* close */ 92 { &vop_access_desc, ufs_access }, /* access */ 93 { &vop_getattr_desc, ufs_getattr }, /* getattr */ 94 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 95 { &vop_read_desc, ufsspec_read }, /* read */ 96 { &vop_write_desc, ufsspec_write }, /* write */ 97 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 98 { &vop_select_desc, spec_select }, /* select */ 99 { &vop_mmap_desc, spec_mmap }, /* mmap */ 100 { &vop_fsync_desc, spec_fsync }, /* fsync */ 101 { &vop_seek_desc, spec_seek }, /* seek */ 102 { &vop_remove_desc, spec_remove }, /* remove */ 103 { &vop_link_desc, spec_link }, /* link */ 104 { &vop_rename_desc, spec_rename }, /* rename */ 105 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 106 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 107 { &vop_symlink_desc, spec_symlink }, /* symlink */ 108 { &vop_readdir_desc, spec_readdir }, /* readdir */ 109 { &vop_readlink_desc, spec_readlink }, /* readlink */ 110 { &vop_abortop_desc, spec_abortop }, /* abortop */ 111 { &vop_inactive_desc, lfs_inactive }, /* inactive */ 112 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 113 { &vop_lock_desc, ufs_lock }, /* lock */ 114 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 115 { &vop_bmap_desc, spec_bmap }, /* bmap */ 116 { &vop_strategy_desc, spec_strategy }, /* strategy */ 117 { &vop_print_desc, ufs_print }, /* print */ 118 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 119 { &vop_advlock_desc, spec_advlock }, /* advlock */ 120 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ 121 { &vop_valloc_desc, spec_valloc }, /* valloc */ 122 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 123 { &vop_truncate_desc, spec_truncate }, /* truncate */ 124 { &vop_update_desc, lfs_update }, /* update */ 125 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 126 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 127 }; 128 struct vnodeopv_desc lfs_specop_opv_desc = 129 { &lfs_specop_p, lfs_specop_entries }; 130 131 #ifdef FIFO 132 int (**lfs_fifoop_p)(); 133 struct vnodeopv_entry_desc lfs_fifoop_entries[] = { 134 { &vop_default_desc, vn_default_error }, 135 { &vop_lookup_desc, fifo_lookup }, /* lookup */ 136 { &vop_create_desc, fifo_create }, /* create */ 137 { &vop_mknod_desc, fifo_mknod }, /* mknod */ 138 { &vop_open_desc, fifo_open }, /* open */ 139 { &vop_close_desc, ufsfifo_close }, /* close */ 140 { &vop_access_desc, ufs_access }, /* access */ 141 { &vop_getattr_desc, ufs_getattr }, /* getattr */ 142 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 143 { &vop_read_desc, ufsfifo_read }, /* read */ 144 { &vop_write_desc, ufsfifo_write }, /* write */ 145 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ 146 { &vop_select_desc, fifo_select }, /* select */ 147 { &vop_mmap_desc, fifo_mmap }, /* mmap */ 148 { &vop_fsync_desc, fifo_fsync }, /* fsync */ 149 { &vop_seek_desc, fifo_seek }, /* seek */ 150 { &vop_remove_desc, fifo_remove }, /* remove */ 151 { &vop_link_desc, fifo_link }, /* link */ 152 { &vop_rename_desc, fifo_rename }, /* rename */ 153 { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */ 154 { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */ 155 { &vop_symlink_desc, fifo_symlink }, /* symlink */ 156 { &vop_readdir_desc, fifo_readdir }, /* readdir */ 157 { &vop_readlink_desc, fifo_readlink }, /* readlink */ 158 { &vop_abortop_desc, fifo_abortop }, /* abortop */ 159 { &vop_inactive_desc, lfs_inactive }, /* inactive */ 160 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 161 { &vop_lock_desc, ufs_lock }, /* lock */ 162 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 163 { &vop_bmap_desc, fifo_bmap }, /* bmap */ 164 { &vop_strategy_desc, fifo_strategy }, /* strategy */ 165 { &vop_print_desc, ufs_print }, /* print */ 166 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 167 { &vop_advlock_desc, fifo_advlock }, /* advlock */ 168 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */ 169 { &vop_valloc_desc, fifo_valloc }, /* valloc */ 170 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 171 { &vop_truncate_desc, fifo_truncate }, /* truncate */ 172 { &vop_update_desc, lfs_update }, /* update */ 173 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 174 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 175 }; 176 struct vnodeopv_desc lfs_fifoop_opv_desc = 177 { &lfs_fifoop_p, lfs_fifoop_entries }; 178 #endif /* FIFO */ 179 180 /* 181 * Vnode op for reading. 182 */ 183 /* ARGSUSED */ 184 lfs_read(ap) 185 struct vop_read_args /* { 186 struct vnode *a_vp; 187 struct uio *a_uio; 188 int a_ioflag; 189 struct ucred *a_cred; 190 } */ *ap; 191 { 192 register struct uio *uio = ap->a_uio; 193 register struct inode *ip = VTOI(ap->a_vp); 194 register struct lfs *fs; /* LFS */ 195 struct buf *bp; 196 daddr_t lbn, bn, rablock; 197 int size, error = 0; 198 long n, on, type; 199 off_t diff; 200 201 #ifdef VERBOSE 202 printf("lfs_read: ino %d\n", ip->i_number); 203 #endif 204 #ifdef DIAGNOSTIC 205 if (uio->uio_rw != UIO_READ) 206 panic("ufs_read mode"); 207 type = ip->i_mode & IFMT; 208 if (type != IFDIR && type != IFREG && type != IFLNK) 209 panic("ufs_read type"); 210 #endif 211 if (uio->uio_resid == 0) 212 return (0); 213 if (uio->uio_offset < 0) 214 return (EINVAL); 215 ip->i_flag |= IACC; 216 217 fs = ip->i_lfs; /* LFS */ 218 do { 219 lbn = lblkno(fs, uio->uio_offset); 220 on = blkoff(fs, uio->uio_offset); 221 n = MIN((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 222 diff = ip->i_size - uio->uio_offset; 223 if (diff <= 0) 224 return (0); 225 if (diff < n) 226 n = diff; 227 size = blksize(fs); /* LFS */ 228 rablock = lbn + 1; 229 if (ap->a_vp->v_lastr + 1 == lbn && 230 lblktosize(fs, rablock) < ip->i_size) 231 error = breadn(ITOV(ip), lbn, size, &rablock, 232 &size, 1, NOCRED, &bp); 233 else 234 error = bread(ITOV(ip), lbn, size, NOCRED, &bp); 235 ap->a_vp->v_lastr = lbn; 236 n = MIN(n, size - bp->b_resid); 237 if (error) { 238 brelse(bp); 239 return (error); 240 } 241 error = uiomove(bp->b_un.b_addr + on, (int)n, uio); 242 if (n + on == fs->lfs_bsize || uio->uio_offset == ip->i_size) 243 bp->b_flags |= B_AGE; 244 brelse(bp); 245 } while (error == 0 && uio->uio_resid > 0 && n != 0); 246 return (error); 247 } 248 249 /* 250 * Vnode op for writing. 251 */ 252 lfs_write(ap) 253 struct vop_write_args /* { 254 struct vnode *a_vp; 255 struct uio *a_uio; 256 int a_ioflag; 257 struct ucred *a_cred; 258 } */ *ap; 259 { 260 register struct vnode *vp = ap->a_vp; 261 register struct uio *uio = ap->a_uio; 262 struct proc *p = uio->uio_procp; 263 register struct inode *ip = VTOI(vp); 264 register struct lfs *fs; 265 register ioflag = ap->a_ioflag; 266 struct buf *bp; 267 daddr_t lbn; 268 off_t osize; 269 int n, on, flags, newblock; 270 int size, resid, error = 0; 271 272 #ifdef VERBOSE 273 printf("lfs_write ino %d\n", ip->i_number); 274 #endif 275 #ifdef DIAGNOSTIC 276 if (uio->uio_rw != UIO_WRITE) 277 panic("lfs_write mode"); 278 #endif 279 switch (vp->v_type) { 280 case VREG: 281 if (ioflag & IO_APPEND) 282 uio->uio_offset = ip->i_size; 283 /* fall through */ 284 case VLNK: 285 break; 286 287 case VDIR: 288 /* XXX This may not be correct for LFS. */ 289 if ((ioflag & IO_SYNC) == 0) 290 panic("lfs_write nonsync dir write"); 291 break; 292 293 default: 294 panic("lfs_write type"); 295 } 296 if (uio->uio_offset < 0) 297 return (EINVAL); 298 if (uio->uio_resid == 0) 299 return (0); 300 /* 301 * Maybe this should be above the vnode op call, but so long as 302 * file servers have no limits, i don't think it matters 303 */ 304 if (vp->v_type == VREG && p && 305 uio->uio_offset + uio->uio_resid > 306 p->p_rlimit[RLIMIT_FSIZE].rlim_cur) { 307 psignal(p, SIGXFSZ); 308 return (EFBIG); 309 } 310 resid = uio->uio_resid; 311 osize = ip->i_size; 312 fs = ip->i_lfs; /* LFS */ 313 flags = 0; 314 #ifdef NOTLFS 315 if (ioflag & IO_SYNC) 316 flags = B_SYNC; 317 #endif 318 do { 319 lbn = lblkno(fs, uio->uio_offset); 320 on = blkoff(fs, uio->uio_offset); 321 n = MIN((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 322 if (error = lfs_balloc(vp, n, lbn, &bp)) 323 break; 324 if (uio->uio_offset + n > ip->i_size) { 325 ip->i_size = uio->uio_offset + n; 326 vnode_pager_setsize(vp, (u_long)ip->i_size); 327 } 328 size = blksize(fs); 329 (void) vnode_pager_uncache(vp); 330 n = MIN(n, size - bp->b_resid); 331 error = uiomove(bp->b_un.b_addr + on, n, uio); 332 #ifdef NOTLFS /* LFS */ 333 if (ioflag & IO_SYNC) 334 (void) bwrite(bp); 335 else if (n + on == fs->fs_bsize) { 336 bp->b_flags |= B_AGE; 337 bawrite(bp); 338 } else 339 bdwrite(bp); 340 ip->i_flag |= IUPD|ICHG; 341 #else 342 /* XXX This doesn't handle IO_SYNC. */ 343 LFS_UBWRITE(bp); 344 #endif 345 if (ap->a_cred->cr_uid != 0) 346 ip->i_mode &= ~(ISUID|ISGID); 347 } while (error == 0 && uio->uio_resid > 0 && n != 0); 348 if (error && (ioflag & IO_UNIT)) { 349 (void)VOP_TRUNCATE(vp, osize, ioflag & IO_SYNC, ap->a_cred, 350 uio->uio_procp); 351 uio->uio_offset -= resid - uio->uio_resid; 352 uio->uio_resid = resid; 353 } 354 if (!error && (ioflag & IO_SYNC)) 355 error = VOP_UPDATE(vp, &time, &time, 1); 356 return (error); 357 } 358 359 /* 360 * Synch an open file. 361 */ 362 /* ARGSUSED */ 363 lfs_fsync(ap) 364 struct vop_fsync_args /* { 365 struct vnode *a_vp; 366 struct ucred *a_cred; 367 int a_waitfor; 368 struct proc *a_p; 369 } */ *ap; 370 { 371 372 #ifdef VERBOSE 373 printf("lfs_fsync\n"); 374 #endif 375 return (VOP_UPDATE(ap->a_vp, &time, &time, ap->a_waitfor == MNT_WAIT)); 376 } 377 378 /* 379 * Last reference to an inode, write the inode out and if necessary, 380 * truncate and deallocate the file. 381 */ 382 int 383 lfs_inactive(ap) 384 struct vop_inactive_args /* { 385 struct vnode *a_vp; 386 } */ *ap; 387 { 388 extern int prtactive; 389 register struct vnode *vp = ap->a_vp; 390 register struct inode *ip; 391 int mode, error; 392 393 #ifdef VERBOSE 394 printf("lfs_inactive\n"); 395 #endif 396 if (prtactive && vp->v_usecount != 0) 397 vprint("lfs_inactive: pushing active", vp); 398 399 /* Get rid of inodes related to stale file handles. */ 400 ip = VTOI(vp); 401 if (ip->i_mode == 0) { 402 if ((vp->v_flag & VXLOCK) == 0) 403 vgone(vp); 404 return (0); 405 } 406 407 error = 0; 408 ILOCK(ip); 409 if (ip->i_nlink <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { 410 #ifdef QUOTA 411 if (!getinoquota(ip)) 412 (void)chkiq(ip, -1, NOCRED, 0); 413 #endif 414 error = VOP_TRUNCATE(vp, (off_t)0, 0, NOCRED, NULL); 415 mode = ip->i_mode; 416 ip->i_mode = 0; 417 ip->i_rdev = 0; 418 ip->i_flag |= IUPD|ICHG; 419 VOP_VFREE(vp, ip->i_number, mode); 420 } 421 if (ip->i_flag&(IUPD|IACC|ICHG|IMOD)) 422 VOP_UPDATE(vp, &time, &time, 0); 423 IUNLOCK(ip); 424 ip->i_flag = 0; 425 /* 426 * If we are done with the inode, reclaim it 427 * so that it can be reused immediately. 428 */ 429 if (vp->v_usecount == 0 && ip->i_mode == 0) 430 vgone(vp); 431 return (error); 432 } 433 434 /* 435 * These macros are used to bracket UFS directory ops, so that we can 436 * identify all the pages touched during directory ops which need to 437 * be ordered and flushed atomically, so that they may be recovered. 438 */ 439 #define SET_DIROP(fs) { \ 440 int __s; \ 441 __s = splbio(); \ 442 if ((fs)->lfs_writer) \ 443 tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs dirop", 0); \ 444 ++(fs)->lfs_dirops; \ 445 (fs)->lfs_doifile = 1; \ 446 splx(__s); \ 447 } 448 449 #define SET_ENDOP(fs) { \ 450 int __s; \ 451 __s = splbio(); \ 452 --(fs)->lfs_dirops; \ 453 if (!(fs)->lfs_dirops) \ 454 wakeup(&(fs)->lfs_writer); \ 455 splx(__s); \ 456 } 457 458 #define MARK_VNODE(dvp) (dvp)->v_flag |= VDIROP 459 460 int 461 lfs_symlink(ap) 462 struct vop_symlink_args /* { 463 struct vnode *a_dvp; 464 struct vnode **a_vpp; 465 struct componentname *a_cnp; 466 struct vattr *a_vap; 467 char *a_target; 468 } */ *ap; 469 { 470 int ret; 471 472 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 473 MARK_VNODE(ap->a_dvp); 474 ret = ufs_symlink(ap); 475 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 476 return (ret); 477 } 478 479 int 480 lfs_mknod(ap) 481 struct vop_mknod_args /* { 482 struct vnode *a_dvp; 483 struct vnode **a_vpp; 484 struct componentname *a_cnp; 485 struct vattr *a_vap; 486 } */ *ap; 487 { 488 int ret; 489 490 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 491 MARK_VNODE(ap->a_dvp); 492 ret = ufs_mknod(ap); 493 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 494 return (ret); 495 } 496 497 int 498 lfs_create(ap) 499 struct vop_create_args /* { 500 struct vnode *a_dvp; 501 struct vnode **a_vpp; 502 struct componentname *a_cnp; 503 struct vattr *a_vap; 504 } */ *ap; 505 { 506 int ret; 507 508 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 509 MARK_VNODE(ap->a_dvp); 510 ret = ufs_create(ap); 511 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 512 return (ret); 513 } 514 515 int 516 lfs_mkdir(ap) 517 struct vop_mkdir_args /* { 518 struct vnode *a_dvp; 519 struct vnode **a_vpp; 520 struct componentname *a_cnp; 521 struct vattr *a_vap; 522 } */ *ap; 523 { 524 int ret; 525 526 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 527 MARK_VNODE(ap->a_dvp); 528 ret = ufs_mkdir(ap); 529 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 530 return (ret); 531 } 532 533 int 534 lfs_remove(ap) 535 struct vop_remove_args /* { 536 struct vnode *a_dvp; 537 struct vnode *a_vp; 538 struct componentname *a_cnp; 539 } */ *ap; 540 { 541 int ret; 542 543 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 544 MARK_VNODE(ap->a_dvp); 545 MARK_VNODE(ap->a_vp); 546 ret = ufs_remove(ap); 547 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 548 return (ret); 549 } 550 551 int 552 lfs_rmdir(ap) 553 struct vop_rmdir_args /* { 554 struct vnodeop_desc *a_desc; 555 struct vnode *a_dvp; 556 struct vnode *a_vp; 557 struct componentname *a_cnp; 558 } */ *ap; 559 { 560 int ret; 561 562 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 563 MARK_VNODE(ap->a_dvp); 564 MARK_VNODE(ap->a_vp); 565 ret = ufs_rmdir(ap); 566 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 567 return (ret); 568 } 569 570 int 571 lfs_link(ap) 572 struct vop_link_args /* { 573 struct vnode *a_vp; 574 struct vnode *a_tdvp; 575 struct componentname *a_cnp; 576 } */ *ap; 577 { 578 int ret; 579 580 SET_DIROP(VTOI(ap->a_vp)->i_lfs); 581 MARK_VNODE(ap->a_vp); 582 ret = ufs_link(ap); 583 SET_ENDOP(VTOI(ap->a_vp)->i_lfs); 584 return (ret); 585 } 586 587 int 588 lfs_rename(ap) 589 struct vop_rename_args /* { 590 struct vnode *a_fdvp; 591 struct vnode *a_fvp; 592 struct componentname *a_fcnp; 593 struct vnode *a_tdvp; 594 struct vnode *a_tvp; 595 struct componentname *a_tcnp; 596 } */ *ap; 597 { 598 int ret; 599 600 SET_DIROP(VTOI(ap->a_fdvp)->i_lfs); 601 MARK_VNODE(ap->a_fdvp); 602 MARK_VNODE(ap->a_tdvp); 603 ret = ufs_rename(ap); 604 SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs); 605 return (ret); 606 } 607