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 7.94 (Berkeley) 08/27/92 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, lfs_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, 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 IUNLOCK(ip); 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 rablock = lbn + 1; 234 lfs_check(vp, lbn); 235 if (vp->v_lastr + 1 == lbn && 236 lblktosize(fs, rablock) < ip->i_size) 237 error = breadn(ITOV(ip), lbn, size, &rablock, 238 &size, 1, NOCRED, &bp1); 239 else 240 error = bread(ITOV(ip), lbn, size, NOCRED, &bp1); 241 if (bp2) 242 brelse(bp2); 243 bp2 = bp1; 244 vp->v_lastr = lbn; 245 n = min(n, size - bp2->b_resid); 246 if (error) 247 break; 248 error = uiomove(bp2->b_un.b_addr + on, (int)n, uio); 249 if (n + on == fs->lfs_bsize || uio->uio_offset == ip->i_size) 250 bp2->b_flags |= B_AGE; 251 } while (error == 0 && uio->uio_resid > 0 && n != 0); 252 if (bp2) 253 brelse(bp2); 254 ILOCK(ip); 255 return (error); 256 } 257 258 /* 259 * Vnode op for writing. 260 */ 261 lfs_write(ap) 262 struct vop_write_args /* { 263 struct vnode *a_vp; 264 struct uio *a_uio; 265 int a_ioflag; 266 struct ucred *a_cred; 267 } */ *ap; 268 { 269 register struct vnode *vp = ap->a_vp; 270 register struct uio *uio = ap->a_uio; 271 struct proc *p = uio->uio_procp; 272 register struct inode *ip = VTOI(vp); 273 register struct lfs *fs; 274 register ioflag = ap->a_ioflag; 275 struct timeval tv; 276 struct buf *bp1, *bp2; 277 daddr_t lbn; 278 off_t osize; 279 int n, on, flags, newblock; 280 int size, resid, error = 0; 281 282 #ifdef DIAGNOSTIC 283 if (uio->uio_rw != UIO_WRITE) 284 panic("lfs_write mode"); 285 #endif 286 switch (vp->v_type) { 287 case VREG: 288 if (ioflag & IO_APPEND) 289 uio->uio_offset = ip->i_size; 290 /* fall through */ 291 case VLNK: 292 break; 293 294 case VDIR: 295 /* XXX This may not be correct for LFS. */ 296 if ((ioflag & IO_SYNC) == 0) 297 panic("lfs_write nonsync dir write"); 298 break; 299 300 default: 301 panic("lfs_write type"); 302 } 303 if (uio->uio_offset < 0) 304 return (EINVAL); 305 if (uio->uio_resid == 0) 306 return (0); 307 /* 308 * Maybe this should be above the vnode op call, but so long as 309 * file servers have no limits, i don't think it matters 310 */ 311 if (vp->v_type == VREG && p && 312 uio->uio_offset + uio->uio_resid > 313 p->p_rlimit[RLIMIT_FSIZE].rlim_cur) { 314 psignal(p, SIGXFSZ); 315 return (EFBIG); 316 } 317 resid = uio->uio_resid; 318 osize = ip->i_size; 319 fs = ip->i_lfs; /* LFS */ 320 if (uio->uio_offset < 0 || 321 (u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize) 322 return (EFBIG); 323 324 /* 325 * XXX 326 * FFS uses the VOP_LOCK to provide serializability of multi-block 327 * reads and writes. Since the cleaner may need to interrupt and 328 * clean a vnode, this isn't such a good idea for us. We use 329 * ordered locking instead. Hold buffer N busy until buffer N+1 330 * has been obtained. We get much better concurrency that way. 331 */ 332 bp1 = bp2 = NULL; 333 IUNLOCK(ip); 334 do { 335 lbn = lblkno(fs, uio->uio_offset); 336 on = blkoff(fs, uio->uio_offset); 337 n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid); 338 lfs_check(vp, lbn); 339 if (error = lfs_balloc(vp, n, lbn, &bp1)) 340 break; 341 if (bp2) 342 error = VOP_BWRITE(bp2); 343 bp2 = NULL; 344 if (error) 345 break; 346 if (uio->uio_offset + n > ip->i_size) { 347 ip->i_size = uio->uio_offset + n; 348 vnode_pager_setsize(vp, (u_long)ip->i_size); 349 } 350 size = blksize(fs); 351 (void) vnode_pager_uncache(vp); 352 n = min(n, size - bp1->b_resid); 353 error = uiomove(bp1->b_un.b_addr + on, n, uio); 354 /* XXX Why is this in the loop? */ 355 if (ap->a_cred->cr_uid != 0) 356 ip->i_mode &= ~(ISUID|ISGID); 357 bp2 = bp1; 358 bp1 = NULL; 359 } while (error == 0 && uio->uio_resid > 0 && n != 0); 360 if (bp1) 361 brelse(bp1); 362 if (bp2) 363 error = VOP_BWRITE(bp2); 364 365 if (error) { 366 if (ioflag & IO_UNIT) { 367 (void)VOP_TRUNCATE(vp, osize, ioflag & IO_SYNC, 368 ap->a_cred, uio->uio_procp); 369 uio->uio_offset -= resid - uio->uio_resid; 370 uio->uio_resid = resid; 371 } 372 } 373 374 if (!error && (ioflag & IO_SYNC)) { 375 tv = time; 376 if (!(error = VOP_UPDATE(vp, &tv, &tv, 1))) 377 error = VOP_FSYNC(vp, ap->a_cred, MNT_WAIT, 378 uio->uio_procp); 379 } 380 ILOCK(ip); 381 return (error); 382 } 383 384 /* 385 * Synch an open file. 386 */ 387 /* ARGSUSED */ 388 lfs_fsync(ap) 389 struct vop_fsync_args /* { 390 struct vnode *a_vp; 391 struct ucred *a_cred; 392 int a_waitfor; 393 struct proc *a_p; 394 } */ *ap; 395 { 396 struct timeval tv; 397 398 tv = time; 399 return (VOP_UPDATE(ap->a_vp, &tv, &tv, 400 ap->a_waitfor == MNT_WAIT ? LFS_SYNC : 0)); 401 } 402 403 /* 404 * Last reference to an inode, write the inode out and if necessary, 405 * truncate and deallocate the file. 406 */ 407 int 408 lfs_inactive(ap) 409 struct vop_inactive_args /* { 410 struct vnode *a_vp; 411 } */ *ap; 412 { 413 extern int prtactive; 414 register struct vnode *vp = ap->a_vp; 415 register struct inode *ip; 416 struct timeval tv; 417 int mode, error; 418 419 if (prtactive && vp->v_usecount != 0) 420 vprint("lfs_inactive: pushing active", vp); 421 422 /* Get rid of inodes related to stale file handles. */ 423 ip = VTOI(vp); 424 if (ip->i_mode == 0) { 425 if ((vp->v_flag & VXLOCK) == 0) 426 vgone(vp); 427 return (0); 428 } 429 430 error = 0; 431 ILOCK(ip); 432 if (ip->i_nlink <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { 433 #ifdef QUOTA 434 if (!getinoquota(ip)) 435 (void)chkiq(ip, -1, NOCRED, 0); 436 #endif 437 error = VOP_TRUNCATE(vp, (off_t)0, 0, NOCRED, NULL); 438 mode = ip->i_mode; 439 ip->i_mode = 0; 440 ip->i_rdev = 0; 441 ip->i_flag |= IUPD|ICHG; 442 VOP_VFREE(vp, ip->i_number, mode); 443 } 444 if (ip->i_flag&(IUPD|IACC|ICHG|IMOD)) { 445 tv = time; 446 VOP_UPDATE(vp, &tv, &tv, 0); 447 } 448 IUNLOCK(ip); 449 /* 450 * If we are done with the inode, reclaim it 451 * so that it can be reused immediately. 452 */ 453 if (vp->v_usecount == 0 && ip->i_mode == 0) 454 vgone(vp); 455 return (error); 456 } 457 458 /* 459 * These macros are used to bracket UFS directory ops, so that we can 460 * identify all the pages touched during directory ops which need to 461 * be ordered and flushed atomically, so that they may be recovered. 462 */ 463 #define SET_DIROP(fs) { \ 464 if ((fs)->lfs_writer) \ 465 tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0); \ 466 ++(fs)->lfs_dirops; \ 467 (fs)->lfs_doifile = 1; \ 468 } 469 470 #define SET_ENDOP(fs) { \ 471 --(fs)->lfs_dirops; \ 472 if (!(fs)->lfs_dirops) \ 473 wakeup(&(fs)->lfs_writer); \ 474 } 475 476 #define MARK_VNODE(dvp) (dvp)->v_flag |= VDIROP 477 478 int 479 lfs_symlink(ap) 480 struct vop_symlink_args /* { 481 struct vnode *a_dvp; 482 struct vnode **a_vpp; 483 struct componentname *a_cnp; 484 struct vattr *a_vap; 485 char *a_target; 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_symlink(ap); 493 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 494 return (ret); 495 } 496 497 int 498 lfs_mknod(ap) 499 struct vop_mknod_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_mknod(ap); 511 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 512 return (ret); 513 } 514 515 int 516 lfs_create(ap) 517 struct vop_create_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_create(ap); 529 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 530 return (ret); 531 } 532 533 int 534 lfs_mkdir(ap) 535 struct vop_mkdir_args /* { 536 struct vnode *a_dvp; 537 struct vnode **a_vpp; 538 struct componentname *a_cnp; 539 struct vattr *a_vap; 540 } */ *ap; 541 { 542 int ret; 543 544 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 545 MARK_VNODE(ap->a_dvp); 546 ret = ufs_mkdir(ap); 547 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 548 return (ret); 549 } 550 551 int 552 lfs_remove(ap) 553 struct vop_remove_args /* { 554 struct vnode *a_dvp; 555 struct vnode *a_vp; 556 struct componentname *a_cnp; 557 } */ *ap; 558 { 559 int ret; 560 561 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 562 MARK_VNODE(ap->a_dvp); 563 MARK_VNODE(ap->a_vp); 564 ret = ufs_remove(ap); 565 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 566 return (ret); 567 } 568 569 int 570 lfs_rmdir(ap) 571 struct vop_rmdir_args /* { 572 struct vnodeop_desc *a_desc; 573 struct vnode *a_dvp; 574 struct vnode *a_vp; 575 struct componentname *a_cnp; 576 } */ *ap; 577 { 578 int ret; 579 580 SET_DIROP(VTOI(ap->a_dvp)->i_lfs); 581 MARK_VNODE(ap->a_dvp); 582 MARK_VNODE(ap->a_vp); 583 ret = ufs_rmdir(ap); 584 SET_ENDOP(VTOI(ap->a_dvp)->i_lfs); 585 return (ret); 586 } 587 588 int 589 lfs_link(ap) 590 struct vop_link_args /* { 591 struct vnode *a_vp; 592 struct vnode *a_tdvp; 593 struct componentname *a_cnp; 594 } */ *ap; 595 { 596 int ret; 597 598 SET_DIROP(VTOI(ap->a_vp)->i_lfs); 599 MARK_VNODE(ap->a_vp); 600 ret = ufs_link(ap); 601 SET_ENDOP(VTOI(ap->a_vp)->i_lfs); 602 return (ret); 603 } 604 605 int 606 lfs_rename(ap) 607 struct vop_rename_args /* { 608 struct vnode *a_fdvp; 609 struct vnode *a_fvp; 610 struct componentname *a_fcnp; 611 struct vnode *a_tdvp; 612 struct vnode *a_tvp; 613 struct componentname *a_tcnp; 614 } */ *ap; 615 { 616 int ret; 617 618 SET_DIROP(VTOI(ap->a_fdvp)->i_lfs); 619 MARK_VNODE(ap->a_fdvp); 620 MARK_VNODE(ap->a_tdvp); 621 ret = ufs_rename(ap); 622 SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs); 623 return (ret); 624 } 625 /* XXX hack to avoid calling ITIMES in getattr */ 626 int 627 lfs_getattr(ap) 628 struct vop_getattr_args /* { 629 struct vnode *a_vp; 630 struct vattr *a_vap; 631 struct ucred *a_cred; 632 struct proc *a_p; 633 } */ *ap; 634 { 635 register struct vnode *vp = ap->a_vp; 636 register struct inode *ip = VTOI(vp); 637 register struct vattr *vap = ap->a_vap; 638 /* 639 * Copy from inode table 640 */ 641 vap->va_fsid = ip->i_dev; 642 vap->va_fileid = ip->i_number; 643 vap->va_mode = ip->i_mode & ~IFMT; 644 vap->va_nlink = ip->i_nlink; 645 vap->va_uid = ip->i_uid; 646 vap->va_gid = ip->i_gid; 647 vap->va_rdev = (dev_t)ip->i_rdev; 648 vap->va_size = ip->i_din.di_size; 649 vap->va_atime = ip->i_atime; 650 vap->va_mtime = ip->i_mtime; 651 vap->va_ctime = ip->i_ctime; 652 vap->va_flags = ip->i_flags; 653 vap->va_gen = ip->i_gen; 654 /* this doesn't belong here */ 655 if (vp->v_type == VBLK) 656 vap->va_blocksize = BLKDEV_IOSIZE; 657 else if (vp->v_type == VCHR) 658 vap->va_blocksize = MAXBSIZE; 659 else 660 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 661 vap->va_bytes = dbtob(ip->i_blocks); 662 vap->va_type = vp->v_type; 663 vap->va_filerev = ip->i_modrev; 664 return (0); 665 } 666 /* 667 * Close called 668 * 669 * XXX -- we were using ufs_close, but since it updates the 670 * times on the inode, we might need to bump the uinodes 671 * count. 672 */ 673 /* ARGSUSED */ 674 int 675 lfs_close(ap) 676 struct vop_close_args /* { 677 struct vnode *a_vp; 678 int a_fflag; 679 struct ucred *a_cred; 680 struct proc *a_p; 681 } */ *ap; 682 { 683 register struct vnode *vp = ap->a_vp; 684 register struct inode *ip = VTOI(vp); 685 int mod; 686 687 if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED)) { 688 mod = ip->i_flag & IMOD; 689 ITIMES(ip, &time, &time); 690 if (!mod && ip->i_flag & IMOD) 691 ip->i_lfs->lfs_uinodes++; 692 } 693 return (0); 694 } 695 696