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 7.95 (Berkeley) 10/08/92 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/malloc.h> 23 24 #include <vm/vm.h> 25 26 #include <miscfs/specfs/specdev.h> 27 #include <miscfs/fifofs/fifo.h> 28 29 #include <ufs/ufs/quota.h> 30 #include <ufs/ufs/inode.h> 31 #include <ufs/ufs/dir.h> 32 #include <ufs/ufs/ufsmount.h> 33 #include <ufs/ufs/ufs_extern.h> 34 35 #include <ufs/lfs/lfs.h> 36 #include <ufs/lfs/lfs_extern.h> 37 38 /* Global vfs data structures for lfs. */ 39 int (**lfs_vnodeop_p)(); 40 struct vnodeopv_entry_desc lfs_vnodeop_entries[] = { 41 { &vop_default_desc, vn_default_error }, 42 { &vop_lookup_desc, ufs_lookup }, /* lookup */ 43 { &vop_create_desc, lfs_create }, /* create */ 44 { &vop_mknod_desc, lfs_mknod }, /* mknod */ 45 { &vop_open_desc, ufs_open }, /* open */ 46 { &vop_close_desc, lfs_close }, /* close */ 47 { &vop_access_desc, ufs_access }, /* access */ 48 { &vop_getattr_desc, lfs_getattr }, /* getattr */ 49 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 50 { &vop_read_desc, lfs_read }, /* read */ 51 { &vop_write_desc, lfs_write }, /* write */ 52 { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ 53 { &vop_select_desc, ufs_select }, /* select */ 54 { &vop_mmap_desc, ufs_mmap }, /* mmap */ 55 { &vop_fsync_desc, lfs_fsync }, /* fsync */ 56 { &vop_seek_desc, ufs_seek }, /* seek */ 57 { &vop_remove_desc, lfs_remove }, /* remove */ 58 { &vop_link_desc, lfs_link }, /* link */ 59 { &vop_rename_desc, lfs_rename }, /* rename */ 60 { &vop_mkdir_desc, lfs_mkdir }, /* mkdir */ 61 { &vop_rmdir_desc, lfs_rmdir }, /* rmdir */ 62 { &vop_symlink_desc, lfs_symlink }, /* symlink */ 63 { &vop_readdir_desc, ufs_readdir }, /* readdir */ 64 { &vop_readlink_desc, ufs_readlink }, /* readlink */ 65 { &vop_abortop_desc, ufs_abortop }, /* abortop */ 66 { &vop_inactive_desc, lfs_inactive }, /* inactive */ 67 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 68 { &vop_lock_desc, ufs_lock }, /* lock */ 69 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 70 { &vop_bmap_desc, ufs_bmap }, /* bmap */ 71 { &vop_strategy_desc, ufs_strategy }, /* strategy */ 72 { &vop_print_desc, ufs_print }, /* print */ 73 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 74 { &vop_advlock_desc, ufs_advlock }, /* advlock */ 75 { &vop_blkatoff_desc, lfs_blkatoff }, /* blkatoff */ 76 { &vop_valloc_desc, lfs_valloc }, /* valloc */ 77 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 78 { &vop_truncate_desc, lfs_truncate }, /* truncate */ 79 { &vop_update_desc, lfs_update }, /* update */ 80 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 81 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 82 }; 83 struct vnodeopv_desc lfs_vnodeop_opv_desc = 84 { &lfs_vnodeop_p, lfs_vnodeop_entries }; 85 86 int (**lfs_specop_p)(); 87 struct vnodeopv_entry_desc lfs_specop_entries[] = { 88 { &vop_default_desc, vn_default_error }, 89 { &vop_lookup_desc, spec_lookup }, /* lookup */ 90 { &vop_create_desc, spec_create }, /* create */ 91 { &vop_mknod_desc, spec_mknod }, /* mknod */ 92 { &vop_open_desc, spec_open }, /* open */ 93 { &vop_close_desc, ufsspec_close }, /* close */ 94 { &vop_access_desc, ufs_access }, /* access */ 95 { &vop_getattr_desc, lfs_getattr }, /* getattr */ 96 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 97 { &vop_read_desc, ufsspec_read }, /* read */ 98 { &vop_write_desc, ufsspec_write }, /* write */ 99 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 100 { &vop_select_desc, spec_select }, /* select */ 101 { &vop_mmap_desc, spec_mmap }, /* mmap */ 102 { &vop_fsync_desc, spec_fsync }, /* fsync */ 103 { &vop_seek_desc, spec_seek }, /* seek */ 104 { &vop_remove_desc, spec_remove }, /* remove */ 105 { &vop_link_desc, spec_link }, /* link */ 106 { &vop_rename_desc, spec_rename }, /* rename */ 107 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 108 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 109 { &vop_symlink_desc, spec_symlink }, /* symlink */ 110 { &vop_readdir_desc, spec_readdir }, /* readdir */ 111 { &vop_readlink_desc, spec_readlink }, /* readlink */ 112 { &vop_abortop_desc, spec_abortop }, /* abortop */ 113 { &vop_inactive_desc, lfs_inactive }, /* inactive */ 114 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 115 { &vop_lock_desc, ufs_lock }, /* lock */ 116 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 117 { &vop_bmap_desc, spec_bmap }, /* bmap */ 118 { &vop_strategy_desc, spec_strategy }, /* strategy */ 119 { &vop_print_desc, ufs_print }, /* print */ 120 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 121 { &vop_advlock_desc, spec_advlock }, /* advlock */ 122 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ 123 { &vop_valloc_desc, spec_valloc }, /* valloc */ 124 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 125 { &vop_truncate_desc, spec_truncate }, /* truncate */ 126 { &vop_update_desc, lfs_update }, /* update */ 127 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 128 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 129 }; 130 struct vnodeopv_desc lfs_specop_opv_desc = 131 { &lfs_specop_p, lfs_specop_entries }; 132 133 #ifdef FIFO 134 int (**lfs_fifoop_p)(); 135 struct vnodeopv_entry_desc lfs_fifoop_entries[] = { 136 { &vop_default_desc, vn_default_error }, 137 { &vop_lookup_desc, fifo_lookup }, /* lookup */ 138 { &vop_create_desc, fifo_create }, /* create */ 139 { &vop_mknod_desc, fifo_mknod }, /* mknod */ 140 { &vop_open_desc, fifo_open }, /* open */ 141 { &vop_close_desc, ufsfifo_close }, /* close */ 142 { &vop_access_desc, ufs_access }, /* access */ 143 { &vop_getattr_desc, lfs_getattr }, /* getattr */ 144 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 145 { &vop_read_desc, ufsfifo_read }, /* read */ 146 { &vop_write_desc, ufsfifo_write }, /* write */ 147 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ 148 { &vop_select_desc, fifo_select }, /* select */ 149 { &vop_mmap_desc, fifo_mmap }, /* mmap */ 150 { &vop_fsync_desc, fifo_fsync }, /* fsync */ 151 { &vop_seek_desc, fifo_seek }, /* seek */ 152 { &vop_remove_desc, fifo_remove }, /* remove */ 153 { &vop_link_desc, fifo_link }, /* link */ 154 { &vop_rename_desc, fifo_rename }, /* rename */ 155 { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */ 156 { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */ 157 { &vop_symlink_desc, fifo_symlink }, /* symlink */ 158 { &vop_readdir_desc, fifo_readdir }, /* readdir */ 159 { &vop_readlink_desc, fifo_readlink }, /* readlink */ 160 { &vop_abortop_desc, fifo_abortop }, /* abortop */ 161 { &vop_inactive_desc, lfs_inactive }, /* inactive */ 162 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 163 { &vop_lock_desc, ufs_lock }, /* lock */ 164 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 165 { &vop_bmap_desc, fifo_bmap }, /* bmap */ 166 { &vop_strategy_desc, fifo_strategy }, /* strategy */ 167 { &vop_print_desc, ufs_print }, /* print */ 168 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 169 { &vop_advlock_desc, fifo_advlock }, /* advlock */ 170 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */ 171 { &vop_valloc_desc, fifo_valloc }, /* valloc */ 172 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 173 { &vop_truncate_desc, fifo_truncate }, /* truncate */ 174 { &vop_update_desc, lfs_update }, /* update */ 175 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 176 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 177 }; 178 struct vnodeopv_desc lfs_fifoop_opv_desc = 179 { &lfs_fifoop_p, lfs_fifoop_entries }; 180 #endif /* FIFO */ 181 182 /* 183 * Vnode op for reading. 184 */ 185 /* ARGSUSED */ 186 lfs_read(ap) 187 struct vop_read_args /* { 188 struct vnode *a_vp; 189 struct uio *a_uio; 190 int a_ioflag; 191 struct ucred *a_cred; 192 } */ *ap; 193 { 194 register struct vnode *vp = ap->a_vp; 195 register struct inode *ip = VTOI(vp); 196 register struct uio *uio = ap->a_uio; 197 register struct lfs *fs; 198 struct buf *bp1, *bp2; 199 daddr_t lbn, bn, rablock; 200 off_t diff; 201 int error = 0, lock_on_enter, size; 202 long n, on; 203 204 #ifdef DIAGNOSTIC 205 int type; 206 if (uio->uio_rw != UIO_READ) 207 panic("lfs_read mode"); 208 type = ip->i_mode & IFMT; 209 if (type != IFDIR && type != IFREG && type != IFLNK) 210 panic("lfs_read type"); 211 if (type == IFLNK && (int)ip->i_size < vp->v_mount->mnt_maxsymlinklen) 212 panic("read short symlink"); 213 #endif 214 if (uio->uio_resid == 0) 215 return (0); 216 fs = ip->i_lfs; 217 if (uio->uio_offset < 0 || 218 (u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize) 219 return (EFBIG); 220 ip->i_flag |= IACC; 221 bp1 = bp2 = NULL; 222 if (lock_on_enter = ip->i_flag & ILOCKED) 223 IUNLOCK(ip); 224 do { 225 lbn = lblkno(fs, uio->uio_offset); 226 on = blkoff(fs, uio->uio_offset); 227 n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 228 diff = ip->i_size - uio->uio_offset; 229 if (diff <= 0) 230 break; 231 if (diff < n) 232 n = diff; 233 size = blksize(fs); 234 lfs_check(vp, lbn); 235 /* */ 236 rablock = lbn + 1; 237 if (vp->v_lastr + 1 == lbn && 238 lblktosize(fs, rablock) < ip->i_size) 239 error = breadn(ITOV(ip), lbn, size, &rablock, 240 &size, 1, NOCRED, &bp1); 241 else 242 error = bread(ITOV(ip), lbn, size, NOCRED, &bp1); 243 /* 244 error = ufs_breada(vp, lbn, size, NOCRED, &bp1); 245 */ 246 if (bp2) 247 brelse(bp2); 248 bp2 = bp1; 249 vp->v_lastr = lbn; 250 n = min(n, size - bp2->b_resid); 251 if (error) 252 break; 253 error = uiomove(bp2->b_un.b_addr + on, (int)n, uio); 254 if (n + on == fs->lfs_bsize || uio->uio_offset == ip->i_size) 255 bp2->b_flags |= B_AGE; 256 } while (error == 0 && uio->uio_resid > 0 && n != 0); 257 if (bp2) 258 brelse(bp2); 259 if (lock_on_enter) 260 ILOCK(ip); 261 return (error); 262 } 263 264 /* 265 * Vnode op for writing. 266 */ 267 lfs_write(ap) 268 struct vop_write_args /* { 269 struct vnode *a_vp; 270 struct uio *a_uio; 271 int a_ioflag; 272 struct ucred *a_cred; 273 } */ *ap; 274 { 275 register struct vnode *vp = ap->a_vp; 276 register struct uio *uio = ap->a_uio; 277 struct proc *p = uio->uio_procp; 278 register struct inode *ip = VTOI(vp); 279 register struct lfs *fs; 280 register ioflag = ap->a_ioflag; 281 struct timeval tv; 282 struct buf *bp1, *bp2; 283 daddr_t lbn; 284 off_t osize; 285 int n, on, flags, newblock; 286 int size, resid, error = 0; 287 288 #ifdef DIAGNOSTIC 289 if (uio->uio_rw != UIO_WRITE) 290 panic("lfs_write mode"); 291 #endif 292 switch (vp->v_type) { 293 case VREG: 294 if (ioflag & IO_APPEND) 295 uio->uio_offset = ip->i_size; 296 /* fall through */ 297 case VLNK: 298 break; 299 300 case VDIR: 301 /* XXX This may not be correct for LFS. */ 302 if ((ioflag & IO_SYNC) == 0) 303 panic("lfs_write nonsync dir write"); 304 break; 305 306 default: 307 panic("lfs_write type"); 308 } 309 if (uio->uio_offset < 0) 310 return (EINVAL); 311 if (uio->uio_resid == 0) 312 return (0); 313 /* 314 * Maybe this should be above the vnode op call, but so long as 315 * file servers have no limits, i don't think it matters 316 */ 317 if (vp->v_type == VREG && p && 318 uio->uio_offset + uio->uio_resid > 319 p->p_rlimit[RLIMIT_FSIZE].rlim_cur) { 320 psignal(p, SIGXFSZ); 321 return (EFBIG); 322 } 323 resid = uio->uio_resid; 324 osize = ip->i_size; 325 fs = ip->i_lfs; /* LFS */ 326 if (uio->uio_offset < 0 || 327 (u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize) 328 return (EFBIG); 329 330 /* 331 * XXX 332 * FFS uses the VOP_LOCK to provide serializability of multi-block 333 * reads and writes. Since the cleaner may need to interrupt and 334 * clean a vnode, this isn't such a good idea for us. We use 335 * ordered locking instead. Hold buffer N busy until buffer N+1 336 * has been obtained. We get much better concurrency that way. 337 */ 338 bp1 = bp2 = NULL; 339 IUNLOCK(ip); 340 do { 341 lbn = lblkno(fs, uio->uio_offset); 342 on = blkoff(fs, uio->uio_offset); 343 n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 344 lfs_check(vp, lbn); 345 if (error = lfs_balloc(vp, n, lbn, &bp1)) 346 break; 347 if (bp2) 348 error = VOP_BWRITE(bp2); 349 bp2 = NULL; 350 if (error) 351 break; 352 if (uio->uio_offset + n > ip->i_size) { 353 ip->i_size = uio->uio_offset + n; 354 vnode_pager_setsize(vp, (u_long)ip->i_size); 355 } 356 size = blksize(fs); 357 (void) vnode_pager_uncache(vp); 358 n = min(n, size - bp1->b_resid); 359 error = uiomove(bp1->b_un.b_addr + on, n, uio); 360 /* XXX Why is this in the loop? */ 361 if (ap->a_cred->cr_uid != 0) 362 ip->i_mode &= ~(ISUID|ISGID); 363 bp2 = bp1; 364 bp1 = NULL; 365 } while (error == 0 && uio->uio_resid > 0 && n != 0); 366 if (bp1) 367 brelse(bp1); 368 if (bp2) 369 error = VOP_BWRITE(bp2); 370 371 if (error) { 372 if (ioflag & IO_UNIT) { 373 (void)VOP_TRUNCATE(vp, osize, ioflag & IO_SYNC, 374 ap->a_cred, uio->uio_procp); 375 uio->uio_offset -= resid - uio->uio_resid; 376 uio->uio_resid = resid; 377 } 378 } 379 380 if (!error && (ioflag & IO_SYNC)) { 381 tv = time; 382 if (!(error = VOP_UPDATE(vp, &tv, &tv, 1))) 383 error = VOP_FSYNC(vp, ap->a_cred, MNT_WAIT, 384 uio->uio_procp); 385 } 386 ILOCK(ip); 387 return (error); 388 } 389 390 /* 391 * Synch an open file. 392 */ 393 /* ARGSUSED */ 394 lfs_fsync(ap) 395 struct vop_fsync_args /* { 396 struct vnode *a_vp; 397 struct ucred *a_cred; 398 int a_waitfor; 399 struct proc *a_p; 400 } */ *ap; 401 { 402 struct timeval tv; 403 404 tv = time; 405 return (VOP_UPDATE(ap->a_vp, &tv, &tv, 406 ap->a_waitfor == MNT_WAIT ? LFS_SYNC : 0)); 407 } 408 409 /* 410 * Last reference to an inode, write the inode out and if necessary, 411 * truncate and deallocate the file. 412 */ 413 int 414 lfs_inactive(ap) 415 struct vop_inactive_args /* { 416 struct vnode *a_vp; 417 } */ *ap; 418 { 419 extern int prtactive; 420 register struct vnode *vp = ap->a_vp; 421 register struct inode *ip; 422 struct timeval tv; 423 int mode, error; 424 425 if (prtactive && vp->v_usecount != 0) 426 vprint("lfs_inactive: pushing active", vp); 427 428 /* Get rid of inodes related to stale file handles. */ 429 ip = VTOI(vp); 430 if (ip->i_mode == 0) { 431 if ((vp->v_flag & VXLOCK) == 0) 432 vgone(vp); 433 return (0); 434 } 435 436 error = 0; 437 ILOCK(ip); 438 if (ip->i_nlink <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { 439 #ifdef QUOTA 440 if (!getinoquota(ip)) 441 (void)chkiq(ip, -1, NOCRED, 0); 442 #endif 443 error = VOP_TRUNCATE(vp, (off_t)0, 0, NOCRED, NULL); 444 mode = ip->i_mode; 445 ip->i_mode = 0; 446 ip->i_rdev = 0; 447 ip->i_flag |= IUPD|ICHG; 448 VOP_VFREE(vp, ip->i_number, mode); 449 } 450 if (ip->i_flag&(IUPD|IACC|ICHG|IMOD)) { 451 tv = time; 452 VOP_UPDATE(vp, &tv, &tv, 0); 453 } 454 IUNLOCK(ip); 455 /* 456 * If we are done with the inode, reclaim it 457 * so that it can be reused immediately. 458 */ 459 if (vp->v_usecount == 0 && ip->i_mode == 0) 460 vgone(vp); 461 return (error); 462 } 463 464 /* 465 * These macros are used to bracket UFS directory ops, so that we can 466 * identify all the pages touched during directory ops which need to 467 * be ordered and flushed atomically, so that they may be recovered. 468 */ 469 #define SET_DIROP(fs) { \ 470 if ((fs)->lfs_writer) \ 471 tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0); \ 472 ++(fs)->lfs_dirops; \ 473 (fs)->lfs_doifile = 1; \ 474 } 475 476 #define SET_ENDOP(fs) { \ 477 --(fs)->lfs_dirops; \ 478 if (!(fs)->lfs_dirops) \ 479 wakeup(&(fs)->lfs_writer); \ 480 } 481 482 #define MARK_VNODE(dvp) (dvp)->v_flag |= VDIROP 483 484 int 485 lfs_symlink(ap) 486 struct vop_symlink_args /* { 487 struct vnode *a_dvp; 488 struct vnode **a_vpp; 489 struct componentname *a_cnp; 490 struct vattr *a_vap; 491 char *a_target; 492 } */ *ap; 493 { 494 int ret; 495 496 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 497 MARK_VNODE(ap->a_dvp); 498 ret = ufs_symlink(ap); 499 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 500 return (ret); 501 } 502 503 int 504 lfs_mknod(ap) 505 struct vop_mknod_args /* { 506 struct vnode *a_dvp; 507 struct vnode **a_vpp; 508 struct componentname *a_cnp; 509 struct vattr *a_vap; 510 } */ *ap; 511 { 512 int ret; 513 514 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 515 MARK_VNODE(ap->a_dvp); 516 ret = ufs_mknod(ap); 517 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 518 return (ret); 519 } 520 521 int 522 lfs_create(ap) 523 struct vop_create_args /* { 524 struct vnode *a_dvp; 525 struct vnode **a_vpp; 526 struct componentname *a_cnp; 527 struct vattr *a_vap; 528 } */ *ap; 529 { 530 int ret; 531 532 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 533 MARK_VNODE(ap->a_dvp); 534 ret = ufs_create(ap); 535 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 536 return (ret); 537 } 538 539 int 540 lfs_mkdir(ap) 541 struct vop_mkdir_args /* { 542 struct vnode *a_dvp; 543 struct vnode **a_vpp; 544 struct componentname *a_cnp; 545 struct vattr *a_vap; 546 } */ *ap; 547 { 548 int ret; 549 550 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 551 MARK_VNODE(ap->a_dvp); 552 ret = ufs_mkdir(ap); 553 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 554 return (ret); 555 } 556 557 int 558 lfs_remove(ap) 559 struct vop_remove_args /* { 560 struct vnode *a_dvp; 561 struct vnode *a_vp; 562 struct componentname *a_cnp; 563 } */ *ap; 564 { 565 int ret; 566 567 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 568 MARK_VNODE(ap->a_dvp); 569 MARK_VNODE(ap->a_vp); 570 ret = ufs_remove(ap); 571 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 572 return (ret); 573 } 574 575 int 576 lfs_rmdir(ap) 577 struct vop_rmdir_args /* { 578 struct vnodeop_desc *a_desc; 579 struct vnode *a_dvp; 580 struct vnode *a_vp; 581 struct componentname *a_cnp; 582 } */ *ap; 583 { 584 int ret; 585 586 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 587 MARK_VNODE(ap->a_dvp); 588 MARK_VNODE(ap->a_vp); 589 ret = ufs_rmdir(ap); 590 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 591 return (ret); 592 } 593 594 int 595 lfs_link(ap) 596 struct vop_link_args /* { 597 struct vnode *a_vp; 598 struct vnode *a_tdvp; 599 struct componentname *a_cnp; 600 } */ *ap; 601 { 602 int ret; 603 604 SET_DIROP(VTOI(ap->a_vp)->i_lfs); 605 MARK_VNODE(ap->a_vp); 606 ret = ufs_link(ap); 607 SET_ENDOP(VTOI(ap->a_vp)->i_lfs); 608 return (ret); 609 } 610 611 int 612 lfs_rename(ap) 613 struct vop_rename_args /* { 614 struct vnode *a_fdvp; 615 struct vnode *a_fvp; 616 struct componentname *a_fcnp; 617 struct vnode *a_tdvp; 618 struct vnode *a_tvp; 619 struct componentname *a_tcnp; 620 } */ *ap; 621 { 622 int ret; 623 624 SET_DIROP(VTOI(ap->a_fdvp)->i_lfs); 625 MARK_VNODE(ap->a_fdvp); 626 MARK_VNODE(ap->a_tdvp); 627 ret = ufs_rename(ap); 628 SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs); 629 return (ret); 630 } 631 /* XXX hack to avoid calling ITIMES in getattr */ 632 int 633 lfs_getattr(ap) 634 struct vop_getattr_args /* { 635 struct vnode *a_vp; 636 struct vattr *a_vap; 637 struct ucred *a_cred; 638 struct proc *a_p; 639 } */ *ap; 640 { 641 register struct vnode *vp = ap->a_vp; 642 register struct inode *ip = VTOI(vp); 643 register struct vattr *vap = ap->a_vap; 644 /* 645 * Copy from inode table 646 */ 647 vap->va_fsid = ip->i_dev; 648 vap->va_fileid = ip->i_number; 649 vap->va_mode = ip->i_mode & ~IFMT; 650 vap->va_nlink = ip->i_nlink; 651 vap->va_uid = ip->i_uid; 652 vap->va_gid = ip->i_gid; 653 vap->va_rdev = (dev_t)ip->i_rdev; 654 vap->va_size = ip->i_din.di_size; 655 vap->va_atime = ip->i_atime; 656 vap->va_mtime = ip->i_mtime; 657 vap->va_ctime = ip->i_ctime; 658 vap->va_flags = ip->i_flags; 659 vap->va_gen = ip->i_gen; 660 /* this doesn't belong here */ 661 if (vp->v_type == VBLK) 662 vap->va_blocksize = BLKDEV_IOSIZE; 663 else if (vp->v_type == VCHR) 664 vap->va_blocksize = MAXBSIZE; 665 else 666 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 667 vap->va_bytes = dbtob(ip->i_blocks); 668 vap->va_type = vp->v_type; 669 vap->va_filerev = ip->i_modrev; 670 return (0); 671 } 672 /* 673 * Close called 674 * 675 * XXX -- we were using ufs_close, but since it updates the 676 * times on the inode, we might need to bump the uinodes 677 * count. 678 */ 679 /* ARGSUSED */ 680 int 681 lfs_close(ap) 682 struct vop_close_args /* { 683 struct vnode *a_vp; 684 int a_fflag; 685 struct ucred *a_cred; 686 struct proc *a_p; 687 } */ *ap; 688 { 689 register struct vnode *vp = ap->a_vp; 690 register struct inode *ip = VTOI(vp); 691 int mod; 692 693 if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED)) { 694 mod = ip->i_flag & IMOD; 695 ITIMES(ip, &time, &time); 696 if (!mod && ip->i_flag & IMOD) 697 ip->i_lfs->lfs_uinodes++; 698 } 699 return (0); 700 } 701 702