1 /* 2 * Copyright (c) 1986, 1989, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)lfs_vnops.c 8.1 (Berkeley) 06/11/93 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, ufs_create }, /* create */ 44 { &vop_mknod_desc, ufs_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, ufs_remove }, /* remove */ 58 { &vop_link_desc, ufs_link }, /* link */ 59 { &vop_rename_desc, ufs_rename }, /* rename */ 60 { &vop_mkdir_desc, ufs_mkdir }, /* mkdir */ 61 { &vop_rmdir_desc, ufs_rmdir }, /* rmdir */ 62 { &vop_symlink_desc, ufs_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, ufs_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_pathconf_desc, ufs_pathconf }, /* pathconf */ 75 { &vop_advlock_desc, ufs_advlock }, /* advlock */ 76 { &vop_blkatoff_desc, lfs_blkatoff }, /* blkatoff */ 77 { &vop_valloc_desc, lfs_valloc }, /* valloc */ 78 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 79 { &vop_truncate_desc, lfs_truncate }, /* truncate */ 80 { &vop_update_desc, lfs_update }, /* update */ 81 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 82 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 83 }; 84 struct vnodeopv_desc lfs_vnodeop_opv_desc = 85 { &lfs_vnodeop_p, lfs_vnodeop_entries }; 86 87 int (**lfs_specop_p)(); 88 struct vnodeopv_entry_desc lfs_specop_entries[] = { 89 { &vop_default_desc, vn_default_error }, 90 { &vop_lookup_desc, spec_lookup }, /* lookup */ 91 { &vop_create_desc, spec_create }, /* create */ 92 { &vop_mknod_desc, spec_mknod }, /* mknod */ 93 { &vop_open_desc, spec_open }, /* open */ 94 { &vop_close_desc, ufsspec_close }, /* close */ 95 { &vop_access_desc, ufs_access }, /* access */ 96 { &vop_getattr_desc, lfs_getattr }, /* getattr */ 97 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 98 { &vop_read_desc, ufsspec_read }, /* read */ 99 { &vop_write_desc, ufsspec_write }, /* write */ 100 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 101 { &vop_select_desc, spec_select }, /* select */ 102 { &vop_mmap_desc, spec_mmap }, /* mmap */ 103 { &vop_fsync_desc, spec_fsync }, /* fsync */ 104 { &vop_seek_desc, spec_seek }, /* seek */ 105 { &vop_remove_desc, spec_remove }, /* remove */ 106 { &vop_link_desc, spec_link }, /* link */ 107 { &vop_rename_desc, spec_rename }, /* rename */ 108 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 109 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 110 { &vop_symlink_desc, spec_symlink }, /* symlink */ 111 { &vop_readdir_desc, spec_readdir }, /* readdir */ 112 { &vop_readlink_desc, spec_readlink }, /* readlink */ 113 { &vop_abortop_desc, spec_abortop }, /* abortop */ 114 { &vop_inactive_desc, ufs_inactive }, /* inactive */ 115 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 116 { &vop_lock_desc, ufs_lock }, /* lock */ 117 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 118 { &vop_bmap_desc, spec_bmap }, /* bmap */ 119 { &vop_strategy_desc, spec_strategy }, /* strategy */ 120 { &vop_print_desc, ufs_print }, /* print */ 121 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 122 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */ 123 { &vop_advlock_desc, spec_advlock }, /* advlock */ 124 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */ 125 { &vop_valloc_desc, spec_valloc }, /* valloc */ 126 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 127 { &vop_truncate_desc, spec_truncate }, /* truncate */ 128 { &vop_update_desc, lfs_update }, /* update */ 129 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 130 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 131 }; 132 struct vnodeopv_desc lfs_specop_opv_desc = 133 { &lfs_specop_p, lfs_specop_entries }; 134 135 #ifdef FIFO 136 int (**lfs_fifoop_p)(); 137 struct vnodeopv_entry_desc lfs_fifoop_entries[] = { 138 { &vop_default_desc, vn_default_error }, 139 { &vop_lookup_desc, fifo_lookup }, /* lookup */ 140 { &vop_create_desc, fifo_create }, /* create */ 141 { &vop_mknod_desc, fifo_mknod }, /* mknod */ 142 { &vop_open_desc, fifo_open }, /* open */ 143 { &vop_close_desc, ufsfifo_close }, /* close */ 144 { &vop_access_desc, ufs_access }, /* access */ 145 { &vop_getattr_desc, lfs_getattr }, /* getattr */ 146 { &vop_setattr_desc, ufs_setattr }, /* setattr */ 147 { &vop_read_desc, ufsfifo_read }, /* read */ 148 { &vop_write_desc, ufsfifo_write }, /* write */ 149 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */ 150 { &vop_select_desc, fifo_select }, /* select */ 151 { &vop_mmap_desc, fifo_mmap }, /* mmap */ 152 { &vop_fsync_desc, fifo_fsync }, /* fsync */ 153 { &vop_seek_desc, fifo_seek }, /* seek */ 154 { &vop_remove_desc, fifo_remove }, /* remove */ 155 { &vop_link_desc, fifo_link }, /* link */ 156 { &vop_rename_desc, fifo_rename }, /* rename */ 157 { &vop_mkdir_desc, fifo_mkdir }, /* mkdir */ 158 { &vop_rmdir_desc, fifo_rmdir }, /* rmdir */ 159 { &vop_symlink_desc, fifo_symlink }, /* symlink */ 160 { &vop_readdir_desc, fifo_readdir }, /* readdir */ 161 { &vop_readlink_desc, fifo_readlink }, /* readlink */ 162 { &vop_abortop_desc, fifo_abortop }, /* abortop */ 163 { &vop_inactive_desc, ufs_inactive }, /* inactive */ 164 { &vop_reclaim_desc, ufs_reclaim }, /* reclaim */ 165 { &vop_lock_desc, ufs_lock }, /* lock */ 166 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 167 { &vop_bmap_desc, fifo_bmap }, /* bmap */ 168 { &vop_strategy_desc, fifo_strategy }, /* strategy */ 169 { &vop_print_desc, ufs_print }, /* print */ 170 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 171 { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */ 172 { &vop_advlock_desc, fifo_advlock }, /* advlock */ 173 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */ 174 { &vop_valloc_desc, fifo_valloc }, /* valloc */ 175 { &vop_vfree_desc, lfs_vfree }, /* vfree */ 176 { &vop_truncate_desc, fifo_truncate }, /* truncate */ 177 { &vop_update_desc, lfs_update }, /* update */ 178 { &vop_bwrite_desc, lfs_bwrite }, /* bwrite */ 179 { (struct vnodeop_desc*)NULL, (int(*)())NULL } 180 }; 181 struct vnodeopv_desc lfs_fifoop_opv_desc = 182 { &lfs_fifoop_p, lfs_fifoop_entries }; 183 #endif /* FIFO */ 184 185 /* 186 * Vnode op for reading. 187 */ 188 /* ARGSUSED */ 189 lfs_read(ap) 190 struct vop_read_args /* { 191 struct vnode *a_vp; 192 struct uio *a_uio; 193 int a_ioflag; 194 struct ucred *a_cred; 195 } */ *ap; 196 { 197 register struct vnode *vp = ap->a_vp; 198 register struct inode *ip = VTOI(vp); 199 register struct uio *uio = ap->a_uio; 200 register struct lfs *fs; 201 struct buf *bp; 202 daddr_t lbn, bn, rablock; 203 off_t diff; 204 int type, error = 0, size; 205 long n, on; 206 207 type = ip->i_mode & IFMT; 208 #ifdef DIAGNOSTIC 209 if (uio->uio_rw != UIO_READ) 210 panic("lfs_read mode"); 211 if (type != IFDIR && type != IFREG && type != IFLNK) 212 panic("lfs_read type"); 213 if (type == IFLNK && (int)ip->i_size < vp->v_mount->mnt_maxsymlinklen) 214 panic("read short symlink"); 215 #endif 216 if (uio->uio_resid == 0) 217 return (0); 218 fs = ip->i_lfs; 219 if (uio->uio_offset < 0 || 220 (u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize) 221 return (EFBIG); 222 ip->i_flag |= IACC; 223 do { 224 lbn = lblkno(fs, uio->uio_offset); 225 on = blkoff(fs, uio->uio_offset); 226 n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 227 diff = ip->i_size - uio->uio_offset; 228 if (diff <= 0) 229 break; 230 if (diff < n) 231 n = diff; 232 size = blksize(fs); 233 lfs_check(vp, lbn); 234 error = cluster_read(vp, ip->i_size, lbn, size, NOCRED, &bp); 235 vp->v_lastr = lbn; 236 n = min(n, size - bp->b_resid); 237 if (error) 238 break; 239 error = uiomove(bp->b_un.b_addr + on, (int)n, uio); 240 if (type == IFREG && 241 n + on == fs->lfs_bsize || uio->uio_offset == ip->i_size) 242 bp->b_flags |= B_AGE; 243 brelse(bp); 244 } while (error == 0 && uio->uio_resid > 0 && n != 0); 245 return (error); 246 } 247 248 /* 249 * Vnode op for writing. 250 */ 251 lfs_write(ap) 252 struct vop_write_args /* { 253 struct vnode *a_vp; 254 struct uio *a_uio; 255 int a_ioflag; 256 struct ucred *a_cred; 257 } */ *ap; 258 { 259 register struct vnode *vp = ap->a_vp; 260 register struct uio *uio = ap->a_uio; 261 struct proc *p = uio->uio_procp; 262 register struct inode *ip = VTOI(vp); 263 register struct lfs *fs; 264 register ioflag = ap->a_ioflag; 265 struct timeval tv; 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 DIAGNOSTIC 273 if (uio->uio_rw != UIO_WRITE) 274 panic("lfs_write mode"); 275 #endif 276 switch (vp->v_type) { 277 case VREG: 278 if (ioflag & IO_APPEND) 279 uio->uio_offset = ip->i_size; 280 /* fall through */ 281 case VLNK: 282 break; 283 284 case VDIR: 285 /* XXX This may not be correct for LFS. */ 286 if ((ioflag & IO_SYNC) == 0) 287 panic("lfs_write nonsync dir write"); 288 break; 289 290 default: 291 panic("lfs_write type"); 292 } 293 if (uio->uio_offset < 0) 294 return (EINVAL); 295 if (uio->uio_resid == 0) 296 return (0); 297 /* 298 * Maybe this should be above the vnode op call, but so long as 299 * file servers have no limits, i don't think it matters 300 */ 301 if (vp->v_type == VREG && p && 302 uio->uio_offset + uio->uio_resid > 303 p->p_rlimit[RLIMIT_FSIZE].rlim_cur) { 304 psignal(p, SIGXFSZ); 305 return (EFBIG); 306 } 307 resid = uio->uio_resid; 308 osize = ip->i_size; 309 fs = ip->i_lfs; /* LFS */ 310 if (uio->uio_offset < 0 || 311 (u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize) 312 return (EFBIG); 313 314 do { 315 lbn = lblkno(fs, uio->uio_offset); 316 on = blkoff(fs, uio->uio_offset); 317 n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 318 lfs_check(vp, lbn); 319 if (error = lfs_balloc(vp, n, lbn, &bp)) 320 break; 321 if (uio->uio_offset + n > ip->i_size) { 322 ip->i_size = uio->uio_offset + n; 323 vnode_pager_setsize(vp, (u_long)ip->i_size); 324 } 325 size = blksize(fs); 326 (void) vnode_pager_uncache(vp); 327 n = min(n, size - bp->b_resid); 328 error = uiomove(bp->b_un.b_addr + on, n, uio); 329 error = VOP_BWRITE(bp); 330 /* XXX Why is this in the loop? */ 331 if (ap->a_cred && ap->a_cred->cr_uid != 0) 332 ip->i_mode &= ~(ISUID|ISGID); 333 } while (error == 0 && uio->uio_resid > 0 && n != 0); 334 335 if (error) { 336 if (ioflag & IO_UNIT) { 337 (void)VOP_TRUNCATE(vp, osize, ioflag & IO_SYNC, 338 ap->a_cred, uio->uio_procp); 339 uio->uio_offset -= resid - uio->uio_resid; 340 uio->uio_resid = resid; 341 } 342 } 343 344 /* TURN OFF SYNC FOR NOW 345 if (!error && (ioflag & IO_SYNC)) { 346 tv = time; 347 if (!(error = VOP_UPDATE(vp, &tv, &tv, 1))) 348 error = VOP_FSYNC(vp, ap->a_cred, MNT_WAIT, 349 uio->uio_procp); 350 } 351 */ 352 return (error); 353 } 354 355 /* 356 * Synch an open file. 357 */ 358 /* ARGSUSED */ 359 lfs_fsync(ap) 360 struct vop_fsync_args /* { 361 struct vnode *a_vp; 362 struct ucred *a_cred; 363 int a_waitfor; 364 struct proc *a_p; 365 } */ *ap; 366 { 367 struct timeval tv; 368 369 tv = time; 370 return (VOP_UPDATE(ap->a_vp, &tv, &tv, 371 ap->a_waitfor == MNT_WAIT ? LFS_SYNC : 0)); 372 } 373 374 /* 375 * These macros are used to bracket UFS directory ops, so that we can 376 * identify all the pages touched during directory ops which need to 377 * be ordered and flushed atomically, so that they may be recovered. 378 */ 379 #define SET_DIROP(fs) { \ 380 if ((fs)->lfs_writer) \ 381 tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0); \ 382 ++(fs)->lfs_dirops; \ 383 (fs)->lfs_doifile = 1; \ 384 } 385 386 #define SET_ENDOP(fs) { \ 387 --(fs)->lfs_dirops; \ 388 if (!(fs)->lfs_dirops) \ 389 wakeup(&(fs)->lfs_writer); \ 390 } 391 392 #define MARK_VNODE(dvp) (dvp)->v_flag |= VDIROP 393 394 int 395 lfs_symlink(ap) 396 struct vop_symlink_args /* { 397 struct vnode *a_dvp; 398 struct vnode **a_vpp; 399 struct componentname *a_cnp; 400 struct vattr *a_vap; 401 char *a_target; 402 } */ *ap; 403 { 404 int ret; 405 406 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 407 MARK_VNODE(ap->a_dvp); 408 ret = ufs_symlink(ap); 409 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 410 return (ret); 411 } 412 413 int 414 lfs_mknod(ap) 415 struct vop_mknod_args /* { 416 struct vnode *a_dvp; 417 struct vnode **a_vpp; 418 struct componentname *a_cnp; 419 struct vattr *a_vap; 420 } */ *ap; 421 { 422 int ret; 423 424 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 425 MARK_VNODE(ap->a_dvp); 426 ret = ufs_mknod(ap); 427 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 428 return (ret); 429 } 430 431 int 432 lfs_create(ap) 433 struct vop_create_args /* { 434 struct vnode *a_dvp; 435 struct vnode **a_vpp; 436 struct componentname *a_cnp; 437 struct vattr *a_vap; 438 } */ *ap; 439 { 440 int ret; 441 442 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 443 MARK_VNODE(ap->a_dvp); 444 ret = ufs_create(ap); 445 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 446 return (ret); 447 } 448 449 int 450 lfs_mkdir(ap) 451 struct vop_mkdir_args /* { 452 struct vnode *a_dvp; 453 struct vnode **a_vpp; 454 struct componentname *a_cnp; 455 struct vattr *a_vap; 456 } */ *ap; 457 { 458 int ret; 459 460 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 461 MARK_VNODE(ap->a_dvp); 462 ret = ufs_mkdir(ap); 463 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 464 return (ret); 465 } 466 467 int 468 lfs_remove(ap) 469 struct vop_remove_args /* { 470 struct vnode *a_dvp; 471 struct vnode *a_vp; 472 struct componentname *a_cnp; 473 } */ *ap; 474 { 475 int ret; 476 477 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 478 MARK_VNODE(ap->a_dvp); 479 MARK_VNODE(ap->a_vp); 480 ret = ufs_remove(ap); 481 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 482 return (ret); 483 } 484 485 int 486 lfs_rmdir(ap) 487 struct vop_rmdir_args /* { 488 struct vnodeop_desc *a_desc; 489 struct vnode *a_dvp; 490 struct vnode *a_vp; 491 struct componentname *a_cnp; 492 } */ *ap; 493 { 494 int ret; 495 496 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 497 MARK_VNODE(ap->a_dvp); 498 MARK_VNODE(ap->a_vp); 499 ret = ufs_rmdir(ap); 500 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 501 return (ret); 502 } 503 504 int 505 lfs_link(ap) 506 struct vop_link_args /* { 507 struct vnode *a_vp; 508 struct vnode *a_tdvp; 509 struct componentname *a_cnp; 510 } */ *ap; 511 { 512 int ret; 513 514 SET_DIROP(VTOI(ap->a_vp)->i_lfs); 515 MARK_VNODE(ap->a_vp); 516 ret = ufs_link(ap); 517 SET_ENDOP(VTOI(ap->a_vp)->i_lfs); 518 return (ret); 519 } 520 521 int 522 lfs_rename(ap) 523 struct vop_rename_args /* { 524 struct vnode *a_fdvp; 525 struct vnode *a_fvp; 526 struct componentname *a_fcnp; 527 struct vnode *a_tdvp; 528 struct vnode *a_tvp; 529 struct componentname *a_tcnp; 530 } */ *ap; 531 { 532 int ret; 533 534 SET_DIROP(VTOI(ap->a_fdvp)->i_lfs); 535 MARK_VNODE(ap->a_fdvp); 536 MARK_VNODE(ap->a_tdvp); 537 ret = ufs_rename(ap); 538 SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs); 539 return (ret); 540 } 541 /* XXX hack to avoid calling ITIMES in getattr */ 542 int 543 lfs_getattr(ap) 544 struct vop_getattr_args /* { 545 struct vnode *a_vp; 546 struct vattr *a_vap; 547 struct ucred *a_cred; 548 struct proc *a_p; 549 } */ *ap; 550 { 551 register struct vnode *vp = ap->a_vp; 552 register struct inode *ip = VTOI(vp); 553 register struct vattr *vap = ap->a_vap; 554 /* 555 * Copy from inode table 556 */ 557 vap->va_fsid = ip->i_dev; 558 vap->va_fileid = ip->i_number; 559 vap->va_mode = ip->i_mode & ~IFMT; 560 vap->va_nlink = ip->i_nlink; 561 vap->va_uid = ip->i_uid; 562 vap->va_gid = ip->i_gid; 563 vap->va_rdev = (dev_t)ip->i_rdev; 564 vap->va_size = ip->i_din.di_size; 565 vap->va_atime = ip->i_atime; 566 vap->va_mtime = ip->i_mtime; 567 vap->va_ctime = ip->i_ctime; 568 vap->va_flags = ip->i_flags; 569 vap->va_gen = ip->i_gen; 570 /* this doesn't belong here */ 571 if (vp->v_type == VBLK) 572 vap->va_blocksize = BLKDEV_IOSIZE; 573 else if (vp->v_type == VCHR) 574 vap->va_blocksize = MAXBSIZE; 575 else 576 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 577 vap->va_bytes = dbtob(ip->i_blocks); 578 vap->va_type = vp->v_type; 579 vap->va_filerev = ip->i_modrev; 580 return (0); 581 } 582 /* 583 * Close called 584 * 585 * XXX -- we were using ufs_close, but since it updates the 586 * times on the inode, we might need to bump the uinodes 587 * count. 588 */ 589 /* ARGSUSED */ 590 int 591 lfs_close(ap) 592 struct vop_close_args /* { 593 struct vnode *a_vp; 594 int a_fflag; 595 struct ucred *a_cred; 596 struct proc *a_p; 597 } */ *ap; 598 { 599 register struct vnode *vp = ap->a_vp; 600 register struct inode *ip = VTOI(vp); 601 int mod; 602 603 if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED)) { 604 mod = ip->i_flag & IMOD; 605 ITIMES(ip, &time, &time); 606 if (!mod && ip->i_flag & IMOD) 607 ip->i_lfs->lfs_uinodes++; 608 } 609 return (0); 610 } 611 612