| 1 | /* |
| 2 | * |
| 3 | * Copyright (c) 2004 The DragonFly Project. All rights reserved. |
| 4 | * |
| 5 | * This code is derived from software contributed to The DragonFly Project |
| 6 | * by Matthew Dillon <dillon@backplane.com> |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in |
| 16 | * the documentation and/or other materials provided with the |
| 17 | * distribution. |
| 18 | * 3. Neither the name of The DragonFly Project nor the names of its |
| 19 | * contributors may be used to endorse or promote products derived |
| 20 | * from this software without specific, prior written permission. |
| 21 | * |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 24 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 25 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 26 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 27 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 28 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 29 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 30 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 31 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 32 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 33 | * SUCH DAMAGE. |
| 34 | * |
| 35 | * $DragonFly: src/sys/kern/vfs_vopops.c,v 1.39 2008/06/19 23:27:35 dillon Exp $ |
| 36 | */ |
| 37 | |
| 38 | #include <sys/param.h> |
| 39 | #include <sys/systm.h> |
| 40 | #include <sys/buf.h> |
| 41 | #include <sys/conf.h> |
| 42 | #include <sys/dirent.h> |
| 43 | #include <sys/domain.h> |
| 44 | #include <sys/eventhandler.h> |
| 45 | #include <sys/fcntl.h> |
| 46 | #include <sys/kernel.h> |
| 47 | #include <sys/kthread.h> |
| 48 | #include <sys/malloc.h> |
| 49 | #include <sys/mbuf.h> |
| 50 | #include <sys/mount.h> |
| 51 | #include <sys/proc.h> |
| 52 | #include <sys/namei.h> |
| 53 | #include <sys/reboot.h> |
| 54 | #include <sys/socket.h> |
| 55 | #include <sys/stat.h> |
| 56 | #include <sys/sysctl.h> |
| 57 | #include <sys/syslog.h> |
| 58 | #include <sys/vmmeter.h> |
| 59 | #include <sys/vnode.h> |
| 60 | #include <sys/vfsops.h> |
| 61 | #include <sys/sysmsg.h> |
| 62 | |
| 63 | #include <machine/limits.h> |
| 64 | |
| 65 | #include <vm/vm.h> |
| 66 | #include <vm/vm_object.h> |
| 67 | #include <vm/vm_extern.h> |
| 68 | #include <vm/vm_kern.h> |
| 69 | #include <vm/pmap.h> |
| 70 | #include <vm/vm_map.h> |
| 71 | #include <vm/vm_page.h> |
| 72 | #include <vm/vm_pager.h> |
| 73 | #include <vm/vnode_pager.h> |
| 74 | #include <vm/vm_zone.h> |
| 75 | |
| 76 | #include <sys/buf2.h> |
| 77 | #include <sys/thread2.h> |
| 78 | |
| 79 | #define VDESCNAME(name) __CONCAT(__CONCAT(vop_,name),_desc) |
| 80 | |
| 81 | #define VNODEOP_DESC_INIT(name) \ |
| 82 | struct syslink_desc VDESCNAME(name) = { \ |
| 83 | __offsetof(struct vop_ops, __CONCAT(vop_, name)), \ |
| 84 | #name } |
| 85 | |
| 86 | VNODEOP_DESC_INIT(default); |
| 87 | VNODEOP_DESC_INIT(old_lookup); |
| 88 | VNODEOP_DESC_INIT(old_create); |
| 89 | VNODEOP_DESC_INIT(old_whiteout); |
| 90 | VNODEOP_DESC_INIT(old_mknod); |
| 91 | VNODEOP_DESC_INIT(open); |
| 92 | VNODEOP_DESC_INIT(close); |
| 93 | VNODEOP_DESC_INIT(access); |
| 94 | VNODEOP_DESC_INIT(getattr); |
| 95 | VNODEOP_DESC_INIT(setattr); |
| 96 | VNODEOP_DESC_INIT(read); |
| 97 | VNODEOP_DESC_INIT(write); |
| 98 | VNODEOP_DESC_INIT(ioctl); |
| 99 | VNODEOP_DESC_INIT(poll); |
| 100 | VNODEOP_DESC_INIT(kqfilter); |
| 101 | VNODEOP_DESC_INIT(mmap); |
| 102 | VNODEOP_DESC_INIT(fsync); |
| 103 | VNODEOP_DESC_INIT(old_remove); |
| 104 | VNODEOP_DESC_INIT(old_link); |
| 105 | VNODEOP_DESC_INIT(old_rename); |
| 106 | |
| 107 | VNODEOP_DESC_INIT(old_mkdir); |
| 108 | VNODEOP_DESC_INIT(old_rmdir); |
| 109 | VNODEOP_DESC_INIT(old_symlink); |
| 110 | VNODEOP_DESC_INIT(readdir); |
| 111 | VNODEOP_DESC_INIT(readlink); |
| 112 | VNODEOP_DESC_INIT(inactive); |
| 113 | VNODEOP_DESC_INIT(reclaim); |
| 114 | VNODEOP_DESC_INIT(bmap); |
| 115 | VNODEOP_DESC_INIT(strategy); |
| 116 | VNODEOP_DESC_INIT(print); |
| 117 | VNODEOP_DESC_INIT(pathconf); |
| 118 | VNODEOP_DESC_INIT(advlock); |
| 119 | VNODEOP_DESC_INIT(balloc); |
| 120 | VNODEOP_DESC_INIT(reallocblks); |
| 121 | VNODEOP_DESC_INIT(getpages); |
| 122 | VNODEOP_DESC_INIT(putpages); |
| 123 | VNODEOP_DESC_INIT(freeblks); |
| 124 | VNODEOP_DESC_INIT(getacl); |
| 125 | VNODEOP_DESC_INIT(setacl); |
| 126 | VNODEOP_DESC_INIT(aclcheck); |
| 127 | VNODEOP_DESC_INIT(getextattr); |
| 128 | VNODEOP_DESC_INIT(setextattr); |
| 129 | VNODEOP_DESC_INIT(mountctl); |
| 130 | VNODEOP_DESC_INIT(markatime); |
| 131 | |
| 132 | VNODEOP_DESC_INIT(nresolve); |
| 133 | VNODEOP_DESC_INIT(nlookupdotdot); |
| 134 | VNODEOP_DESC_INIT(ncreate); |
| 135 | VNODEOP_DESC_INIT(nmkdir); |
| 136 | VNODEOP_DESC_INIT(nmknod); |
| 137 | VNODEOP_DESC_INIT(nlink); |
| 138 | VNODEOP_DESC_INIT(nsymlink); |
| 139 | VNODEOP_DESC_INIT(nwhiteout); |
| 140 | VNODEOP_DESC_INIT(nremove); |
| 141 | VNODEOP_DESC_INIT(nrmdir); |
| 142 | VNODEOP_DESC_INIT(nrename); |
| 143 | |
| 144 | #define DO_OPS(ops, error, ap, vop_field) \ |
| 145 | error = ops->vop_field(ap); |
| 146 | |
| 147 | /************************************************************************ |
| 148 | * PRIMARY HIGH LEVEL VNODE OPERATIONS CALLS * |
| 149 | ************************************************************************ |
| 150 | * |
| 151 | * These procedures are called directly from the kernel and/or fileops |
| 152 | * code to perform file/device operations on the system. |
| 153 | * |
| 154 | * NOTE: The old namespace api functions such as vop_rename() are no longer |
| 155 | * available for general use and have been renamed to vop_old_*(). Only |
| 156 | * the code in vfs_default.c is allowed to call those ops. |
| 157 | */ |
| 158 | |
| 159 | int |
| 160 | vop_old_lookup(struct vop_ops *ops, struct vnode *dvp, |
| 161 | struct vnode **vpp, struct componentname *cnp) |
| 162 | { |
| 163 | struct vop_old_lookup_args ap; |
| 164 | int error; |
| 165 | |
| 166 | ap.a_head.a_desc = &vop_old_lookup_desc; |
| 167 | ap.a_head.a_ops = ops; |
| 168 | ap.a_dvp = dvp; |
| 169 | ap.a_vpp = vpp; |
| 170 | ap.a_cnp = cnp; |
| 171 | |
| 172 | DO_OPS(ops, error, &ap, vop_old_lookup); |
| 173 | return(error); |
| 174 | } |
| 175 | |
| 176 | int |
| 177 | vop_old_create(struct vop_ops *ops, struct vnode *dvp, |
| 178 | struct vnode **vpp, struct componentname *cnp, struct vattr *vap) |
| 179 | { |
| 180 | struct vop_old_create_args ap; |
| 181 | int error; |
| 182 | |
| 183 | ap.a_head.a_desc = &vop_old_create_desc; |
| 184 | ap.a_head.a_ops = ops; |
| 185 | ap.a_dvp = dvp; |
| 186 | ap.a_vpp = vpp; |
| 187 | ap.a_cnp = cnp; |
| 188 | ap.a_vap = vap; |
| 189 | |
| 190 | DO_OPS(ops, error, &ap, vop_old_create); |
| 191 | return(error); |
| 192 | } |
| 193 | |
| 194 | int |
| 195 | vop_old_whiteout(struct vop_ops *ops, struct vnode *dvp, |
| 196 | struct componentname *cnp, int flags) |
| 197 | { |
| 198 | struct vop_old_whiteout_args ap; |
| 199 | int error; |
| 200 | |
| 201 | ap.a_head.a_desc = &vop_old_whiteout_desc; |
| 202 | ap.a_head.a_ops = ops; |
| 203 | ap.a_dvp = dvp; |
| 204 | ap.a_cnp = cnp; |
| 205 | ap.a_flags = flags; |
| 206 | |
| 207 | DO_OPS(ops, error, &ap, vop_old_whiteout); |
| 208 | return(error); |
| 209 | } |
| 210 | |
| 211 | int |
| 212 | vop_old_mknod(struct vop_ops *ops, struct vnode *dvp, |
| 213 | struct vnode **vpp, struct componentname *cnp, struct vattr *vap) |
| 214 | { |
| 215 | struct vop_old_mknod_args ap; |
| 216 | int error; |
| 217 | |
| 218 | ap.a_head.a_desc = &vop_old_mknod_desc; |
| 219 | ap.a_head.a_ops = ops; |
| 220 | ap.a_dvp = dvp; |
| 221 | ap.a_vpp = vpp; |
| 222 | ap.a_cnp = cnp; |
| 223 | ap.a_vap = vap; |
| 224 | |
| 225 | DO_OPS(ops, error, &ap, vop_old_mknod); |
| 226 | return(error); |
| 227 | } |
| 228 | |
| 229 | /* |
| 230 | * NOTE: VAGE is always cleared when calling VOP_OPEN(). |
| 231 | */ |
| 232 | int |
| 233 | vop_open(struct vop_ops *ops, struct vnode *vp, int mode, struct ucred *cred, |
| 234 | struct file *fp) |
| 235 | { |
| 236 | struct vop_open_args ap; |
| 237 | int error; |
| 238 | |
| 239 | /* |
| 240 | * Decrement 3-2-1-0. Does not decrement beyond 0 |
| 241 | */ |
| 242 | if (vp->v_flag & VAGE0) { |
| 243 | vp->v_flag &= ~VAGE0; |
| 244 | } else if (vp->v_flag & VAGE1) { |
| 245 | vp->v_flag &= ~VAGE1; |
| 246 | vp->v_flag |= VAGE0; |
| 247 | } |
| 248 | |
| 249 | ap.a_head.a_desc = &vop_open_desc; |
| 250 | ap.a_head.a_ops = ops; |
| 251 | ap.a_vp = vp; |
| 252 | ap.a_fp = fp; |
| 253 | ap.a_mode = mode; |
| 254 | ap.a_cred = cred; |
| 255 | |
| 256 | DO_OPS(ops, error, &ap, vop_open); |
| 257 | return(error); |
| 258 | } |
| 259 | |
| 260 | int |
| 261 | vop_close(struct vop_ops *ops, struct vnode *vp, int fflag) |
| 262 | { |
| 263 | struct vop_close_args ap; |
| 264 | int error; |
| 265 | |
| 266 | ap.a_head.a_desc = &vop_close_desc; |
| 267 | ap.a_head.a_ops = ops; |
| 268 | ap.a_vp = vp; |
| 269 | ap.a_fflag = fflag; |
| 270 | |
| 271 | DO_OPS(ops, error, &ap, vop_close); |
| 272 | return(error); |
| 273 | } |
| 274 | |
| 275 | int |
| 276 | vop_access(struct vop_ops *ops, struct vnode *vp, int mode, int flags, |
| 277 | struct ucred *cred) |
| 278 | { |
| 279 | struct vop_access_args ap; |
| 280 | int error; |
| 281 | |
| 282 | ap.a_head.a_desc = &vop_access_desc; |
| 283 | ap.a_head.a_ops = ops; |
| 284 | ap.a_vp = vp; |
| 285 | ap.a_mode = mode; |
| 286 | ap.a_flags = flags; |
| 287 | ap.a_cred = cred; |
| 288 | |
| 289 | DO_OPS(ops, error, &ap, vop_access); |
| 290 | return(error); |
| 291 | } |
| 292 | |
| 293 | int |
| 294 | vop_getattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap) |
| 295 | { |
| 296 | struct vop_getattr_args ap; |
| 297 | int error; |
| 298 | |
| 299 | ap.a_head.a_desc = &vop_getattr_desc; |
| 300 | ap.a_head.a_ops = ops; |
| 301 | ap.a_vp = vp; |
| 302 | ap.a_vap = vap; |
| 303 | |
| 304 | DO_OPS(ops, error, &ap, vop_getattr); |
| 305 | |
| 306 | return(error); |
| 307 | } |
| 308 | |
| 309 | int |
| 310 | vop_setattr(struct vop_ops *ops, struct vnode *vp, struct vattr *vap, |
| 311 | struct ucred *cred) |
| 312 | { |
| 313 | struct vop_setattr_args ap; |
| 314 | int error; |
| 315 | |
| 316 | ap.a_head.a_desc = &vop_setattr_desc; |
| 317 | ap.a_head.a_ops = ops; |
| 318 | ap.a_vp = vp; |
| 319 | ap.a_vap = vap; |
| 320 | ap.a_cred = cred; |
| 321 | |
| 322 | DO_OPS(ops, error, &ap, vop_setattr); |
| 323 | return(error); |
| 324 | } |
| 325 | |
| 326 | int |
| 327 | vop_read(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag, |
| 328 | struct ucred *cred) |
| 329 | { |
| 330 | struct vop_read_args ap; |
| 331 | int error; |
| 332 | |
| 333 | ap.a_head.a_desc = &vop_read_desc; |
| 334 | ap.a_head.a_ops = ops; |
| 335 | ap.a_vp = vp; |
| 336 | ap.a_uio = uio; |
| 337 | ap.a_ioflag = ioflag; |
| 338 | ap.a_cred = cred; |
| 339 | |
| 340 | DO_OPS(ops, error, &ap, vop_read); |
| 341 | return(error); |
| 342 | } |
| 343 | |
| 344 | int |
| 345 | vop_write(struct vop_ops *ops, struct vnode *vp, struct uio *uio, int ioflag, |
| 346 | struct ucred *cred) |
| 347 | { |
| 348 | struct vop_write_args ap; |
| 349 | int error; |
| 350 | |
| 351 | ap.a_head.a_desc = &vop_write_desc; |
| 352 | ap.a_head.a_ops = ops; |
| 353 | ap.a_vp = vp; |
| 354 | ap.a_uio = uio; |
| 355 | ap.a_ioflag = ioflag; |
| 356 | ap.a_cred = cred; |
| 357 | |
| 358 | DO_OPS(ops, error, &ap, vop_write); |
| 359 | return(error); |
| 360 | } |
| 361 | |
| 362 | int |
| 363 | vop_ioctl(struct vop_ops *ops, struct vnode *vp, u_long command, caddr_t data, |
| 364 | int fflag, struct ucred *cred, struct sysmsg *msg) |
| 365 | { |
| 366 | struct vop_ioctl_args ap; |
| 367 | int error; |
| 368 | |
| 369 | ap.a_head.a_desc = &vop_ioctl_desc; |
| 370 | ap.a_head.a_ops = ops; |
| 371 | ap.a_vp = vp; |
| 372 | ap.a_command = command; |
| 373 | ap.a_data = data; |
| 374 | ap.a_fflag = fflag; |
| 375 | ap.a_cred = cred; |
| 376 | ap.a_sysmsg = msg; |
| 377 | |
| 378 | DO_OPS(ops, error, &ap, vop_ioctl); |
| 379 | return(error); |
| 380 | } |
| 381 | |
| 382 | int |
| 383 | vop_poll(struct vop_ops *ops, struct vnode *vp, int events, struct ucred *cred) |
| 384 | { |
| 385 | struct vop_poll_args ap; |
| 386 | int error; |
| 387 | |
| 388 | ap.a_head.a_desc = &vop_poll_desc; |
| 389 | ap.a_head.a_ops = ops; |
| 390 | ap.a_vp = vp; |
| 391 | ap.a_events = events; |
| 392 | ap.a_cred = cred; |
| 393 | |
| 394 | DO_OPS(ops, error, &ap, vop_poll); |
| 395 | return(error); |
| 396 | } |
| 397 | |
| 398 | int |
| 399 | vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn) |
| 400 | { |
| 401 | struct vop_kqfilter_args ap; |
| 402 | int error; |
| 403 | |
| 404 | ap.a_head.a_desc = &vop_kqfilter_desc; |
| 405 | ap.a_head.a_ops = ops; |
| 406 | ap.a_vp = vp; |
| 407 | ap.a_kn = kn; |
| 408 | |
| 409 | DO_OPS(ops, error, &ap, vop_kqfilter); |
| 410 | return(error); |
| 411 | } |
| 412 | |
| 413 | int |
| 414 | vop_mmap(struct vop_ops *ops, struct vnode *vp, int fflags, struct ucred *cred) |
| 415 | { |
| 416 | struct vop_mmap_args ap; |
| 417 | int error; |
| 418 | |
| 419 | ap.a_head.a_desc = &vop_mmap_desc; |
| 420 | ap.a_head.a_ops = ops; |
| 421 | ap.a_vp = vp; |
| 422 | ap.a_fflags = fflags; |
| 423 | ap.a_cred = cred; |
| 424 | |
| 425 | DO_OPS(ops, error, &ap, vop_mmap); |
| 426 | return(error); |
| 427 | } |
| 428 | |
| 429 | int |
| 430 | vop_fsync(struct vop_ops *ops, struct vnode *vp, int waitfor, int flags) |
| 431 | { |
| 432 | struct vop_fsync_args ap; |
| 433 | int error; |
| 434 | |
| 435 | ap.a_head.a_desc = &vop_fsync_desc; |
| 436 | ap.a_head.a_ops = ops; |
| 437 | ap.a_vp = vp; |
| 438 | ap.a_waitfor = waitfor; |
| 439 | ap.a_flags = flags; |
| 440 | |
| 441 | DO_OPS(ops, error, &ap, vop_fsync); |
| 442 | return(error); |
| 443 | } |
| 444 | |
| 445 | int |
| 446 | vop_old_remove(struct vop_ops *ops, struct vnode *dvp, |
| 447 | struct vnode *vp, struct componentname *cnp) |
| 448 | { |
| 449 | struct vop_old_remove_args ap; |
| 450 | int error; |
| 451 | |
| 452 | ap.a_head.a_desc = &vop_old_remove_desc; |
| 453 | ap.a_head.a_ops = ops; |
| 454 | ap.a_dvp = dvp; |
| 455 | ap.a_vp = vp; |
| 456 | ap.a_cnp = cnp; |
| 457 | |
| 458 | DO_OPS(ops, error, &ap, vop_old_remove); |
| 459 | return(error); |
| 460 | } |
| 461 | |
| 462 | int |
| 463 | vop_old_link(struct vop_ops *ops, struct vnode *tdvp, |
| 464 | struct vnode *vp, struct componentname *cnp) |
| 465 | { |
| 466 | struct vop_old_link_args ap; |
| 467 | int error; |
| 468 | |
| 469 | ap.a_head.a_desc = &vop_old_link_desc; |
| 470 | ap.a_head.a_ops = ops; |
| 471 | ap.a_tdvp = tdvp; |
| 472 | ap.a_vp = vp; |
| 473 | ap.a_cnp = cnp; |
| 474 | |
| 475 | DO_OPS(ops, error, &ap, vop_old_link); |
| 476 | return(error); |
| 477 | } |
| 478 | |
| 479 | int |
| 480 | vop_old_rename(struct vop_ops *ops, |
| 481 | struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp, |
| 482 | struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp) |
| 483 | { |
| 484 | struct vop_old_rename_args ap; |
| 485 | int error; |
| 486 | |
| 487 | ap.a_head.a_desc = &vop_old_rename_desc; |
| 488 | ap.a_head.a_ops = ops; |
| 489 | ap.a_fdvp = fdvp; |
| 490 | ap.a_fvp = fvp; |
| 491 | ap.a_fcnp = fcnp; |
| 492 | ap.a_tdvp = tdvp; |
| 493 | ap.a_tvp = tvp; |
| 494 | ap.a_tcnp = tcnp; |
| 495 | |
| 496 | DO_OPS(ops, error, &ap, vop_old_rename); |
| 497 | return(error); |
| 498 | } |
| 499 | |
| 500 | int |
| 501 | vop_old_mkdir(struct vop_ops *ops, struct vnode *dvp, |
| 502 | struct vnode **vpp, struct componentname *cnp, struct vattr *vap) |
| 503 | { |
| 504 | struct vop_old_mkdir_args ap; |
| 505 | int error; |
| 506 | |
| 507 | ap.a_head.a_desc = &vop_old_mkdir_desc; |
| 508 | ap.a_head.a_ops = ops; |
| 509 | ap.a_dvp = dvp; |
| 510 | ap.a_vpp = vpp; |
| 511 | ap.a_cnp = cnp; |
| 512 | ap.a_vap = vap; |
| 513 | |
| 514 | DO_OPS(ops, error, &ap, vop_old_mkdir); |
| 515 | return(error); |
| 516 | } |
| 517 | |
| 518 | int |
| 519 | vop_old_rmdir(struct vop_ops *ops, struct vnode *dvp, |
| 520 | struct vnode *vp, struct componentname *cnp) |
| 521 | { |
| 522 | struct vop_old_rmdir_args ap; |
| 523 | int error; |
| 524 | |
| 525 | ap.a_head.a_desc = &vop_old_rmdir_desc; |
| 526 | ap.a_head.a_ops = ops; |
| 527 | ap.a_dvp = dvp; |
| 528 | ap.a_vp = vp; |
| 529 | ap.a_cnp = cnp; |
| 530 | |
| 531 | DO_OPS(ops, error, &ap, vop_old_rmdir); |
| 532 | return(error); |
| 533 | } |
| 534 | |
| 535 | int |
| 536 | vop_old_symlink(struct vop_ops *ops, struct vnode *dvp, |
| 537 | struct vnode **vpp, struct componentname *cnp, |
| 538 | struct vattr *vap, char *target) |
| 539 | { |
| 540 | struct vop_old_symlink_args ap; |
| 541 | int error; |
| 542 | |
| 543 | ap.a_head.a_desc = &vop_old_symlink_desc; |
| 544 | ap.a_head.a_ops = ops; |
| 545 | ap.a_dvp = dvp; |
| 546 | ap.a_vpp = vpp; |
| 547 | ap.a_cnp = cnp; |
| 548 | ap.a_vap = vap; |
| 549 | ap.a_target = target; |
| 550 | |
| 551 | DO_OPS(ops, error, &ap, vop_old_symlink); |
| 552 | return(error); |
| 553 | } |
| 554 | |
| 555 | int |
| 556 | vop_readdir(struct vop_ops *ops, struct vnode *vp, struct uio *uio, |
| 557 | struct ucred *cred, int *eofflag, int *ncookies, off_t **cookies) |
| 558 | { |
| 559 | struct vop_readdir_args ap; |
| 560 | int error; |
| 561 | |
| 562 | ap.a_head.a_desc = &vop_readdir_desc; |
| 563 | ap.a_head.a_ops = ops; |
| 564 | ap.a_vp = vp; |
| 565 | ap.a_uio = uio; |
| 566 | ap.a_cred = cred; |
| 567 | ap.a_eofflag = eofflag; |
| 568 | ap.a_ncookies = ncookies; |
| 569 | ap.a_cookies = cookies; |
| 570 | |
| 571 | DO_OPS(ops, error, &ap, vop_readdir); |
| 572 | return(error); |
| 573 | } |
| 574 | |
| 575 | int |
| 576 | vop_readlink(struct vop_ops *ops, struct vnode *vp, struct uio *uio, |
| 577 | struct ucred *cred) |
| 578 | { |
| 579 | struct vop_readlink_args ap; |
| 580 | int error; |
| 581 | |
| 582 | ap.a_head.a_desc = &vop_readlink_desc; |
| 583 | ap.a_head.a_ops = ops; |
| 584 | ap.a_vp = vp; |
| 585 | ap.a_uio = uio; |
| 586 | ap.a_cred = cred; |
| 587 | |
| 588 | DO_OPS(ops, error, &ap, vop_readlink); |
| 589 | return(error); |
| 590 | } |
| 591 | |
| 592 | int |
| 593 | vop_inactive(struct vop_ops *ops, struct vnode *vp) |
| 594 | { |
| 595 | struct vop_inactive_args ap; |
| 596 | int error; |
| 597 | |
| 598 | ap.a_head.a_desc = &vop_inactive_desc; |
| 599 | ap.a_head.a_ops = ops; |
| 600 | ap.a_vp = vp; |
| 601 | |
| 602 | DO_OPS(ops, error, &ap, vop_inactive); |
| 603 | return(error); |
| 604 | } |
| 605 | |
| 606 | int |
| 607 | vop_reclaim(struct vop_ops *ops, struct vnode *vp) |
| 608 | { |
| 609 | struct vop_reclaim_args ap; |
| 610 | int error; |
| 611 | |
| 612 | ap.a_head.a_desc = &vop_reclaim_desc; |
| 613 | ap.a_head.a_ops = ops; |
| 614 | ap.a_vp = vp; |
| 615 | |
| 616 | DO_OPS(ops, error, &ap, vop_reclaim); |
| 617 | return(error); |
| 618 | } |
| 619 | |
| 620 | int |
| 621 | vop_bmap(struct vop_ops *ops, struct vnode *vp, off_t loffset, |
| 622 | off_t *doffsetp, int *runp, int *runb, buf_cmd_t cmd) |
| 623 | { |
| 624 | struct vop_bmap_args ap; |
| 625 | int error; |
| 626 | |
| 627 | ap.a_head.a_desc = &vop_bmap_desc; |
| 628 | ap.a_head.a_ops = ops; |
| 629 | ap.a_vp = vp; |
| 630 | ap.a_loffset = loffset; |
| 631 | ap.a_doffsetp = doffsetp; |
| 632 | ap.a_runp = runp; |
| 633 | ap.a_runb = runb; |
| 634 | ap.a_cmd = cmd; |
| 635 | |
| 636 | DO_OPS(ops, error, &ap, vop_bmap); |
| 637 | return(error); |
| 638 | } |
| 639 | |
| 640 | int |
| 641 | vop_strategy(struct vop_ops *ops, struct vnode *vp, struct bio *bio) |
| 642 | { |
| 643 | struct vop_strategy_args ap; |
| 644 | int error; |
| 645 | |
| 646 | ap.a_head.a_desc = &vop_strategy_desc; |
| 647 | ap.a_head.a_ops = ops; |
| 648 | ap.a_vp = vp; |
| 649 | ap.a_bio = bio; |
| 650 | |
| 651 | DO_OPS(ops, error, &ap, vop_strategy); |
| 652 | return(error); |
| 653 | } |
| 654 | |
| 655 | int |
| 656 | vop_print(struct vop_ops *ops, struct vnode *vp) |
| 657 | { |
| 658 | struct vop_print_args ap; |
| 659 | int error; |
| 660 | |
| 661 | ap.a_head.a_desc = &vop_print_desc; |
| 662 | ap.a_head.a_ops = ops; |
| 663 | ap.a_vp = vp; |
| 664 | |
| 665 | DO_OPS(ops, error, &ap, vop_print); |
| 666 | return(error); |
| 667 | } |
| 668 | |
| 669 | int |
| 670 | vop_pathconf(struct vop_ops *ops, struct vnode *vp, int name, |
| 671 | register_t *retval) |
| 672 | { |
| 673 | struct vop_pathconf_args ap; |
| 674 | int error; |
| 675 | |
| 676 | ap.a_head.a_desc = &vop_pathconf_desc; |
| 677 | ap.a_head.a_ops = ops; |
| 678 | ap.a_vp = vp; |
| 679 | ap.a_name = name; |
| 680 | ap.a_retval = retval; |
| 681 | |
| 682 | DO_OPS(ops, error, &ap, vop_pathconf); |
| 683 | return(error); |
| 684 | } |
| 685 | |
| 686 | int |
| 687 | vop_advlock(struct vop_ops *ops, struct vnode *vp, caddr_t id, int op, |
| 688 | struct flock *fl, int flags) |
| 689 | { |
| 690 | struct vop_advlock_args ap; |
| 691 | int error; |
| 692 | |
| 693 | ap.a_head.a_desc = &vop_advlock_desc; |
| 694 | ap.a_head.a_ops = ops; |
| 695 | ap.a_vp = vp; |
| 696 | ap.a_id = id; |
| 697 | ap.a_op = op; |
| 698 | ap.a_fl = fl; |
| 699 | ap.a_flags = flags; |
| 700 | |
| 701 | DO_OPS(ops, error, &ap, vop_advlock); |
| 702 | return(error); |
| 703 | } |
| 704 | |
| 705 | int |
| 706 | vop_balloc(struct vop_ops *ops, struct vnode *vp, off_t startoffset, |
| 707 | int size, struct ucred *cred, int flags, |
| 708 | struct buf **bpp) |
| 709 | { |
| 710 | struct vop_balloc_args ap; |
| 711 | int error; |
| 712 | |
| 713 | ap.a_head.a_desc = &vop_balloc_desc; |
| 714 | ap.a_head.a_ops = ops; |
| 715 | ap.a_vp = vp; |
| 716 | ap.a_startoffset = startoffset; |
| 717 | ap.a_size = size; |
| 718 | ap.a_cred = cred; |
| 719 | ap.a_flags = flags; |
| 720 | ap.a_bpp = bpp; |
| 721 | |
| 722 | DO_OPS(ops, error, &ap, vop_balloc); |
| 723 | return(error); |
| 724 | } |
| 725 | |
| 726 | int |
| 727 | vop_reallocblks(struct vop_ops *ops, struct vnode *vp, |
| 728 | struct cluster_save *buflist) |
| 729 | { |
| 730 | struct vop_reallocblks_args ap; |
| 731 | int error; |
| 732 | |
| 733 | ap.a_head.a_desc = &vop_reallocblks_desc; |
| 734 | ap.a_head.a_ops = ops; |
| 735 | ap.a_vp = vp; |
| 736 | ap.a_buflist = buflist; |
| 737 | |
| 738 | DO_OPS(ops, error, &ap, vop_reallocblks); |
| 739 | return(error); |
| 740 | } |
| 741 | |
| 742 | int |
| 743 | vop_getpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count, |
| 744 | int reqpage, vm_ooffset_t offset) |
| 745 | { |
| 746 | struct vop_getpages_args ap; |
| 747 | int error; |
| 748 | |
| 749 | ap.a_head.a_desc = &vop_getpages_desc; |
| 750 | ap.a_head.a_ops = ops; |
| 751 | ap.a_vp = vp; |
| 752 | ap.a_m = m; |
| 753 | ap.a_count = count; |
| 754 | ap.a_reqpage = reqpage; |
| 755 | ap.a_offset = offset; |
| 756 | |
| 757 | DO_OPS(ops, error, &ap, vop_getpages); |
| 758 | return(error); |
| 759 | } |
| 760 | |
| 761 | int |
| 762 | vop_putpages(struct vop_ops *ops, struct vnode *vp, vm_page_t *m, int count, |
| 763 | int sync, int *rtvals, vm_ooffset_t offset) |
| 764 | { |
| 765 | struct vop_putpages_args ap; |
| 766 | int error; |
| 767 | |
| 768 | ap.a_head.a_desc = &vop_putpages_desc; |
| 769 | ap.a_head.a_ops = ops; |
| 770 | ap.a_vp = vp; |
| 771 | ap.a_m = m; |
| 772 | ap.a_count = count; |
| 773 | ap.a_sync = sync; |
| 774 | ap.a_rtvals = rtvals; |
| 775 | ap.a_offset = offset; |
| 776 | |
| 777 | DO_OPS(ops, error, &ap, vop_putpages); |
| 778 | return(error); |
| 779 | } |
| 780 | |
| 781 | int |
| 782 | vop_freeblks(struct vop_ops *ops, struct vnode *vp, off_t offset, int length) |
| 783 | { |
| 784 | struct vop_freeblks_args ap; |
| 785 | int error; |
| 786 | |
| 787 | ap.a_head.a_desc = &vop_freeblks_desc; |
| 788 | ap.a_head.a_ops = ops; |
| 789 | ap.a_vp = vp; |
| 790 | ap.a_offset = offset; |
| 791 | ap.a_length = length; |
| 792 | |
| 793 | DO_OPS(ops, error, &ap, vop_freeblks); |
| 794 | return(error); |
| 795 | } |
| 796 | |
| 797 | int |
| 798 | vop_getacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type, |
| 799 | struct acl *aclp, struct ucred *cred) |
| 800 | { |
| 801 | struct vop_getacl_args ap; |
| 802 | int error; |
| 803 | |
| 804 | ap.a_head.a_desc = &vop_getacl_desc; |
| 805 | ap.a_head.a_ops = ops; |
| 806 | ap.a_vp = vp; |
| 807 | ap.a_type = type; |
| 808 | ap.a_aclp = aclp; |
| 809 | ap.a_cred = cred; |
| 810 | |
| 811 | DO_OPS(ops, error, &ap, vop_getacl); |
| 812 | return(error); |
| 813 | } |
| 814 | |
| 815 | int |
| 816 | vop_setacl(struct vop_ops *ops, struct vnode *vp, acl_type_t type, |
| 817 | struct acl *aclp, struct ucred *cred) |
| 818 | { |
| 819 | struct vop_setacl_args ap; |
| 820 | int error; |
| 821 | |
| 822 | ap.a_head.a_desc = &vop_setacl_desc; |
| 823 | ap.a_head.a_ops = ops; |
| 824 | ap.a_vp = vp; |
| 825 | ap.a_type = type; |
| 826 | ap.a_aclp = aclp; |
| 827 | ap.a_cred = cred; |
| 828 | |
| 829 | DO_OPS(ops, error, &ap, vop_setacl); |
| 830 | return(error); |
| 831 | } |
| 832 | |
| 833 | int |
| 834 | vop_aclcheck(struct vop_ops *ops, struct vnode *vp, acl_type_t type, |
| 835 | struct acl *aclp, struct ucred *cred) |
| 836 | { |
| 837 | struct vop_aclcheck_args ap; |
| 838 | int error; |
| 839 | |
| 840 | ap.a_head.a_desc = &vop_aclcheck_desc; |
| 841 | ap.a_head.a_ops = ops; |
| 842 | ap.a_vp = vp; |
| 843 | ap.a_type = type; |
| 844 | ap.a_aclp = aclp; |
| 845 | ap.a_cred = cred; |
| 846 | |
| 847 | DO_OPS(ops, error, &ap, vop_aclcheck); |
| 848 | return(error); |
| 849 | } |
| 850 | |
| 851 | int |
| 852 | vop_getextattr(struct vop_ops *ops, struct vnode *vp, char *name, |
| 853 | struct uio *uio, struct ucred *cred) |
| 854 | { |
| 855 | struct vop_getextattr_args ap; |
| 856 | int error; |
| 857 | |
| 858 | ap.a_head.a_desc = &vop_getextattr_desc; |
| 859 | ap.a_head.a_ops = ops; |
| 860 | ap.a_vp = vp; |
| 861 | ap.a_name = name; |
| 862 | ap.a_uio = uio; |
| 863 | ap.a_cred = cred; |
| 864 | |
| 865 | DO_OPS(ops, error, &ap, vop_getextattr); |
| 866 | return(error); |
| 867 | } |
| 868 | |
| 869 | int |
| 870 | vop_setextattr(struct vop_ops *ops, struct vnode *vp, char *name, |
| 871 | struct uio *uio, struct ucred *cred) |
| 872 | { |
| 873 | struct vop_setextattr_args ap; |
| 874 | int error; |
| 875 | |
| 876 | ap.a_head.a_desc = &vop_setextattr_desc; |
| 877 | ap.a_head.a_ops = ops; |
| 878 | ap.a_vp = vp; |
| 879 | ap.a_name = name; |
| 880 | ap.a_uio = uio; |
| 881 | ap.a_cred = cred; |
| 882 | |
| 883 | DO_OPS(ops, error, &ap, vop_setextattr); |
| 884 | return(error); |
| 885 | } |
| 886 | |
| 887 | int |
| 888 | vop_mountctl(struct vop_ops *ops, int op, struct file *fp, |
| 889 | const void *ctl, int ctllen, void *buf, int buflen, int *res) |
| 890 | { |
| 891 | struct vop_mountctl_args ap; |
| 892 | int error; |
| 893 | |
| 894 | ap.a_head.a_desc = &vop_mountctl_desc; |
| 895 | ap.a_head.a_ops = ops; |
| 896 | ap.a_op = op; |
| 897 | ap.a_ctl = ctl; |
| 898 | ap.a_fp = fp; |
| 899 | ap.a_ctllen = ctllen; |
| 900 | ap.a_buf = buf; |
| 901 | ap.a_buflen = buflen; |
| 902 | ap.a_res = res; |
| 903 | |
| 904 | DO_OPS(ops, error, &ap, vop_mountctl); |
| 905 | return(error); |
| 906 | } |
| 907 | |
| 908 | int |
| 909 | vop_markatime(struct vop_ops *ops, struct vnode *vp, struct ucred *cred) |
| 910 | { |
| 911 | struct vop_markatime_args ap; |
| 912 | int error; |
| 913 | |
| 914 | ap.a_head.a_desc = &vop_markatime_desc; |
| 915 | ap.a_head.a_ops = ops; |
| 916 | ap.a_vp = vp; |
| 917 | ap.a_cred = cred; |
| 918 | |
| 919 | DO_OPS(ops, error, &ap, vop_markatime); |
| 920 | return(error); |
| 921 | } |
| 922 | |
| 923 | /* |
| 924 | * NEW API FUNCTIONS |
| 925 | * |
| 926 | * nresolve takes a locked ncp, a referenced but unlocked dvp, and a cred, |
| 927 | * and resolves the ncp into a positive or negative hit. |
| 928 | * |
| 929 | * The namecache is automatically adjusted by this function. The ncp |
| 930 | * is left locked on return. |
| 931 | */ |
| 932 | int |
| 933 | vop_nresolve(struct vop_ops *ops, struct nchandle *nch, |
| 934 | struct vnode *dvp, struct ucred *cred) |
| 935 | { |
| 936 | struct vop_nresolve_args ap; |
| 937 | int error; |
| 938 | |
| 939 | ap.a_head.a_desc = &vop_nresolve_desc; |
| 940 | ap.a_head.a_ops = ops; |
| 941 | ap.a_nch = nch; |
| 942 | ap.a_dvp = dvp; |
| 943 | ap.a_cred = cred; |
| 944 | |
| 945 | DO_OPS(ops, error, &ap, vop_nresolve); |
| 946 | return(error); |
| 947 | } |
| 948 | |
| 949 | /* |
| 950 | * nlookupdotdot takes an unlocked directory, referenced dvp, and looks |
| 951 | * up "..", returning a locked parent directory in *vpp. If an error |
| 952 | * occurs *vpp will be NULL. |
| 953 | */ |
| 954 | int |
| 955 | vop_nlookupdotdot(struct vop_ops *ops, struct vnode *dvp, |
| 956 | struct vnode **vpp, struct ucred *cred, char **fakename) |
| 957 | { |
| 958 | struct vop_nlookupdotdot_args ap; |
| 959 | int error; |
| 960 | |
| 961 | ap.a_head.a_desc = &vop_nlookupdotdot_desc; |
| 962 | ap.a_head.a_ops = ops; |
| 963 | ap.a_dvp = dvp; |
| 964 | ap.a_vpp = vpp; |
| 965 | ap.a_cred = cred; |
| 966 | ap.a_fakename = fakename; |
| 967 | |
| 968 | DO_OPS(ops, error, &ap, vop_nlookupdotdot); |
| 969 | return(error); |
| 970 | } |
| 971 | |
| 972 | /* |
| 973 | * ncreate takes a locked, resolved ncp that typically represents a negative |
| 974 | * cache hit and creates the file or node specified by the ncp, cred, and |
| 975 | * vattr. If no error occurs a locked vnode is returned in *vpp. |
| 976 | * |
| 977 | * The dvp passed in is referenced but unlocked. |
| 978 | * |
| 979 | * The namecache is automatically adjusted by this function. The ncp |
| 980 | * is left locked on return. |
| 981 | */ |
| 982 | int |
| 983 | vop_ncreate(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 984 | struct vnode **vpp, struct ucred *cred, struct vattr *vap) |
| 985 | { |
| 986 | struct vop_ncreate_args ap; |
| 987 | int error; |
| 988 | |
| 989 | ap.a_head.a_desc = &vop_ncreate_desc; |
| 990 | ap.a_head.a_ops = ops; |
| 991 | ap.a_nch = nch; |
| 992 | ap.a_dvp = dvp; |
| 993 | ap.a_vpp = vpp; |
| 994 | ap.a_cred = cred; |
| 995 | ap.a_vap = vap; |
| 996 | |
| 997 | DO_OPS(ops, error, &ap, vop_ncreate); |
| 998 | return(error); |
| 999 | } |
| 1000 | |
| 1001 | /* |
| 1002 | * nmkdir takes a locked, resolved ncp that typically represents a negative |
| 1003 | * cache hit and creates the directory specified by the ncp, cred, and |
| 1004 | * vattr. If no error occurs a locked vnode is returned in *vpp. |
| 1005 | * |
| 1006 | * The dvp passed in is referenced but unlocked. |
| 1007 | * |
| 1008 | * The namecache is automatically adjusted by this function. The ncp |
| 1009 | * is left locked on return. |
| 1010 | */ |
| 1011 | int |
| 1012 | vop_nmkdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1013 | struct vnode **vpp, struct ucred *cred, struct vattr *vap) |
| 1014 | { |
| 1015 | struct vop_nmkdir_args ap; |
| 1016 | int error; |
| 1017 | |
| 1018 | ap.a_head.a_desc = &vop_nmkdir_desc; |
| 1019 | ap.a_head.a_ops = ops; |
| 1020 | ap.a_nch = nch; |
| 1021 | ap.a_dvp = dvp; |
| 1022 | ap.a_vpp = vpp; |
| 1023 | ap.a_cred = cred; |
| 1024 | ap.a_vap = vap; |
| 1025 | |
| 1026 | DO_OPS(ops, error, &ap, vop_nmkdir); |
| 1027 | return(error); |
| 1028 | } |
| 1029 | |
| 1030 | /* |
| 1031 | * nmknod takes a locked, resolved ncp that typically represents a negative |
| 1032 | * cache hit and creates the node specified by the ncp, cred, and |
| 1033 | * vattr. If no error occurs a locked vnode is returned in *vpp. |
| 1034 | * |
| 1035 | * The dvp passed in is referenced but unlocked. |
| 1036 | * |
| 1037 | * The namecache is automatically adjusted by this function. The ncp |
| 1038 | * is left locked on return. |
| 1039 | */ |
| 1040 | int |
| 1041 | vop_nmknod(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1042 | struct vnode **vpp, struct ucred *cred, struct vattr *vap) |
| 1043 | { |
| 1044 | struct vop_nmknod_args ap; |
| 1045 | int error; |
| 1046 | |
| 1047 | ap.a_head.a_desc = &vop_nmknod_desc; |
| 1048 | ap.a_head.a_ops = ops; |
| 1049 | ap.a_nch = nch; |
| 1050 | ap.a_dvp = dvp; |
| 1051 | ap.a_vpp = vpp; |
| 1052 | ap.a_cred = cred; |
| 1053 | ap.a_vap = vap; |
| 1054 | |
| 1055 | DO_OPS(ops, error, &ap, vop_nmknod); |
| 1056 | return(error); |
| 1057 | } |
| 1058 | |
| 1059 | /* |
| 1060 | * nlink takes a locked, resolved ncp that typically represents a negative |
| 1061 | * cache hit and creates the node specified by the ncp, cred, and |
| 1062 | * existing vnode. The passed vp must be locked and will remain locked |
| 1063 | * on return, as does the ncp, whether an error occurs or not. |
| 1064 | * |
| 1065 | * The dvp passed in is referenced but unlocked. |
| 1066 | * |
| 1067 | * The namecache is automatically adjusted by this function. The ncp |
| 1068 | * is left locked on return. |
| 1069 | */ |
| 1070 | int |
| 1071 | vop_nlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1072 | struct vnode *vp, struct ucred *cred) |
| 1073 | { |
| 1074 | struct vop_nlink_args ap; |
| 1075 | int error; |
| 1076 | |
| 1077 | ap.a_head.a_desc = &vop_nlink_desc; |
| 1078 | ap.a_head.a_ops = ops; |
| 1079 | ap.a_nch = nch; |
| 1080 | ap.a_dvp = dvp; |
| 1081 | ap.a_vp = vp; |
| 1082 | ap.a_cred = cred; |
| 1083 | |
| 1084 | DO_OPS(ops, error, &ap, vop_nlink); |
| 1085 | return(error); |
| 1086 | } |
| 1087 | |
| 1088 | /* |
| 1089 | * nsymlink takes a locked, resolved ncp that typically represents a negative |
| 1090 | * cache hit and creates a symbolic link based on cred, vap, and target (the |
| 1091 | * contents of the link). If no error occurs a locked vnode is returned in |
| 1092 | * *vpp. |
| 1093 | * |
| 1094 | * The dvp passed in is referenced but unlocked. |
| 1095 | * |
| 1096 | * The namecache is automatically adjusted by this function. The ncp |
| 1097 | * is left locked on return. |
| 1098 | */ |
| 1099 | int |
| 1100 | vop_nsymlink(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1101 | struct vnode **vpp, struct ucred *cred, |
| 1102 | struct vattr *vap, char *target) |
| 1103 | { |
| 1104 | struct vop_nsymlink_args ap; |
| 1105 | int error; |
| 1106 | |
| 1107 | ap.a_head.a_desc = &vop_nsymlink_desc; |
| 1108 | ap.a_head.a_ops = ops; |
| 1109 | ap.a_nch = nch; |
| 1110 | ap.a_dvp = dvp; |
| 1111 | ap.a_vpp = vpp; |
| 1112 | ap.a_cred = cred; |
| 1113 | ap.a_vap = vap; |
| 1114 | ap.a_target = target; |
| 1115 | |
| 1116 | DO_OPS(ops, error, &ap, vop_nsymlink); |
| 1117 | return(error); |
| 1118 | } |
| 1119 | |
| 1120 | /* |
| 1121 | * nwhiteout takes a locked, resolved ncp that can represent a positive or |
| 1122 | * negative hit and executes the whiteout function specified in flags. |
| 1123 | * |
| 1124 | * The dvp passed in is referenced but unlocked. |
| 1125 | * |
| 1126 | * The namecache is automatically adjusted by this function. The ncp |
| 1127 | * is left locked on return. |
| 1128 | */ |
| 1129 | int |
| 1130 | vop_nwhiteout(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1131 | struct ucred *cred, int flags) |
| 1132 | { |
| 1133 | struct vop_nwhiteout_args ap; |
| 1134 | int error; |
| 1135 | |
| 1136 | ap.a_head.a_desc = &vop_nwhiteout_desc; |
| 1137 | ap.a_head.a_ops = ops; |
| 1138 | ap.a_nch = nch; |
| 1139 | ap.a_dvp = dvp; |
| 1140 | ap.a_cred = cred; |
| 1141 | ap.a_flags = flags; |
| 1142 | |
| 1143 | DO_OPS(ops, error, &ap, vop_nwhiteout); |
| 1144 | return(error); |
| 1145 | } |
| 1146 | |
| 1147 | /* |
| 1148 | * nremove takes a locked, resolved ncp that generally represents a |
| 1149 | * positive hit and removes the file. |
| 1150 | * |
| 1151 | * The dvp passed in is referenced but unlocked. |
| 1152 | * |
| 1153 | * The namecache is automatically adjusted by this function. The ncp |
| 1154 | * is left locked on return. |
| 1155 | */ |
| 1156 | int |
| 1157 | vop_nremove(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1158 | struct ucred *cred) |
| 1159 | { |
| 1160 | struct vop_nremove_args ap; |
| 1161 | int error; |
| 1162 | |
| 1163 | ap.a_head.a_desc = &vop_nremove_desc; |
| 1164 | ap.a_head.a_ops = ops; |
| 1165 | ap.a_nch = nch; |
| 1166 | ap.a_dvp = dvp; |
| 1167 | ap.a_cred = cred; |
| 1168 | |
| 1169 | DO_OPS(ops, error, &ap, vop_nremove); |
| 1170 | return(error); |
| 1171 | } |
| 1172 | |
| 1173 | /* |
| 1174 | * nrmdir takes a locked, resolved ncp that generally represents a |
| 1175 | * directory and removes the directory. |
| 1176 | * |
| 1177 | * The dvp passed in is referenced but unlocked. |
| 1178 | * |
| 1179 | * The namecache is automatically adjusted by this function. The ncp |
| 1180 | * is left locked on return. |
| 1181 | */ |
| 1182 | int |
| 1183 | vop_nrmdir(struct vop_ops *ops, struct nchandle *nch, struct vnode *dvp, |
| 1184 | struct ucred *cred) |
| 1185 | { |
| 1186 | struct vop_nrmdir_args ap; |
| 1187 | int error; |
| 1188 | |
| 1189 | ap.a_head.a_desc = &vop_nrmdir_desc; |
| 1190 | ap.a_head.a_ops = ops; |
| 1191 | ap.a_nch = nch; |
| 1192 | ap.a_dvp = dvp; |
| 1193 | ap.a_cred = cred; |
| 1194 | |
| 1195 | DO_OPS(ops, error, &ap, vop_nrmdir); |
| 1196 | return(error); |
| 1197 | } |
| 1198 | |
| 1199 | /* |
| 1200 | * nrename takes TWO locked, resolved ncp's and the cred of the caller |
| 1201 | * and renames the source ncp to the target ncp. The target ncp may |
| 1202 | * represent a positive or negative hit. |
| 1203 | * |
| 1204 | * The fdvp and tdvp passed in are referenced but unlocked. |
| 1205 | * |
| 1206 | * The namecache is automatically adjusted by this function. The ncp |
| 1207 | * is left locked on return. The source ncp is typically changed to |
| 1208 | * a negative cache hit and the target ncp typically takes on the |
| 1209 | * source ncp's underlying file. |
| 1210 | */ |
| 1211 | int |
| 1212 | vop_nrename(struct vop_ops *ops, |
| 1213 | struct nchandle *fnch, struct nchandle *tnch, |
| 1214 | struct vnode *fdvp, struct vnode *tdvp, |
| 1215 | struct ucred *cred) |
| 1216 | { |
| 1217 | struct vop_nrename_args ap; |
| 1218 | int error; |
| 1219 | |
| 1220 | ap.a_head.a_desc = &vop_nrename_desc; |
| 1221 | ap.a_head.a_ops = ops; |
| 1222 | ap.a_fnch = fnch; |
| 1223 | ap.a_tnch = tnch; |
| 1224 | ap.a_fdvp = fdvp; |
| 1225 | ap.a_tdvp = tdvp; |
| 1226 | ap.a_cred = cred; |
| 1227 | |
| 1228 | DO_OPS(ops, error, &ap, vop_nrename); |
| 1229 | return(error); |
| 1230 | } |
| 1231 | |
| 1232 | /************************************************************************ |
| 1233 | * PRIMARY VNODE OPERATIONS FORWARDING CALLS * |
| 1234 | ************************************************************************ |
| 1235 | * |
| 1236 | * These procedures are called from VFSs such as unionfs and nullfs |
| 1237 | * when they wish to forward an operation on one VFS to another. The |
| 1238 | * argument structure/message is modified and then directly passed to the |
| 1239 | * appropriate routine. This routines may also be called by initiators |
| 1240 | * who have an argument structure in hand rather then discreet arguments. |
| 1241 | */ |
| 1242 | int |
| 1243 | vop_vnoperate_ap(struct vop_generic_args *ap) |
| 1244 | { |
| 1245 | struct vop_ops *ops; |
| 1246 | int error; |
| 1247 | |
| 1248 | ops = ap->a_ops; |
| 1249 | error = VOCALL(ops, ap); |
| 1250 | |
| 1251 | return (error); |
| 1252 | } |
| 1253 | |
| 1254 | /* |
| 1255 | * This routine is called by the cache coherency layer to execute the actual |
| 1256 | * VFS operation. If a journaling layer is present we call though it, else |
| 1257 | * we call the native VOP functions. |
| 1258 | */ |
| 1259 | int |
| 1260 | vop_cache_operate_ap(struct vop_generic_args *ap) |
| 1261 | { |
| 1262 | struct vop_ops *ops; |
| 1263 | int error; |
| 1264 | |
| 1265 | ops = ap->a_ops; |
| 1266 | if (ops->head.vv_mount->mnt_vn_journal_ops) |
| 1267 | error = VOCALL(ops->head.vv_mount->mnt_vn_journal_ops, ap); |
| 1268 | else |
| 1269 | error = VOCALL(ops->head.vv_mount->mnt_vn_norm_ops, ap); |
| 1270 | return (error); |
| 1271 | } |
| 1272 | |
| 1273 | |
| 1274 | /* |
| 1275 | * This routine is called by the journaling layer to execute the actual |
| 1276 | * VFS operation. |
| 1277 | */ |
| 1278 | int |
| 1279 | vop_journal_operate_ap(struct vop_generic_args *ap) |
| 1280 | { |
| 1281 | struct vop_ops *ops; |
| 1282 | int error; |
| 1283 | |
| 1284 | ops = ap->a_ops; |
| 1285 | error = VOCALL(ops->head.vv_mount->mnt_vn_norm_ops, ap); |
| 1286 | |
| 1287 | return (error); |
| 1288 | } |
| 1289 | |
| 1290 | int |
| 1291 | vop_open_ap(struct vop_open_args *ap) |
| 1292 | { |
| 1293 | int error; |
| 1294 | |
| 1295 | DO_OPS(ap->a_head.a_ops, error, ap, vop_open); |
| 1296 | return(error); |
| 1297 | } |
| 1298 | |
| 1299 | int |
| 1300 | vop_close_ap(struct vop_close_args *ap) |
| 1301 | { |
| 1302 | int error; |
| 1303 | |
| 1304 | DO_OPS(ap->a_head.a_ops, error, ap, vop_close); |
| 1305 | return(error); |
| 1306 | } |
| 1307 | |
| 1308 | int |
| 1309 | vop_access_ap(struct vop_access_args *ap) |
| 1310 | { |
| 1311 | int error; |
| 1312 | |
| 1313 | DO_OPS(ap->a_head.a_ops, error, ap, vop_access); |
| 1314 | return(error); |
| 1315 | } |
| 1316 | |
| 1317 | int |
| 1318 | vop_getattr_ap(struct vop_getattr_args *ap) |
| 1319 | { |
| 1320 | int error; |
| 1321 | |
| 1322 | DO_OPS(ap->a_head.a_ops, error, ap, vop_getattr); |
| 1323 | return(error); |
| 1324 | } |
| 1325 | |
| 1326 | int |
| 1327 | vop_setattr_ap(struct vop_setattr_args *ap) |
| 1328 | { |
| 1329 | int error; |
| 1330 | |
| 1331 | DO_OPS(ap->a_head.a_ops, error, ap, vop_setattr); |
| 1332 | return(error); |
| 1333 | } |
| 1334 | |
| 1335 | int |
| 1336 | vop_read_ap(struct vop_read_args *ap) |
| 1337 | { |
| 1338 | int error; |
| 1339 | |
| 1340 | DO_OPS(ap->a_head.a_ops, error, ap, vop_read); |
| 1341 | return(error); |
| 1342 | } |
| 1343 | |
| 1344 | int |
| 1345 | vop_write_ap(struct vop_write_args *ap) |
| 1346 | { |
| 1347 | int error; |
| 1348 | |
| 1349 | DO_OPS(ap->a_head.a_ops, error, ap, vop_write); |
| 1350 | return(error); |
| 1351 | } |
| 1352 | |
| 1353 | int |
| 1354 | vop_ioctl_ap(struct vop_ioctl_args *ap) |
| 1355 | { |
| 1356 | int error; |
| 1357 | |
| 1358 | DO_OPS(ap->a_head.a_ops, error, ap, vop_ioctl); |
| 1359 | return(error); |
| 1360 | } |
| 1361 | |
| 1362 | int |
| 1363 | vop_poll_ap(struct vop_poll_args *ap) |
| 1364 | { |
| 1365 | int error; |
| 1366 | |
| 1367 | DO_OPS(ap->a_head.a_ops, error, ap, vop_poll); |
| 1368 | return(error); |
| 1369 | } |
| 1370 | |
| 1371 | int |
| 1372 | vop_kqfilter_ap(struct vop_kqfilter_args *ap) |
| 1373 | { |
| 1374 | int error; |
| 1375 | |
| 1376 | DO_OPS(ap->a_head.a_ops, error, ap, vop_kqfilter); |
| 1377 | return(error); |
| 1378 | } |
| 1379 | |
| 1380 | int |
| 1381 | vop_mmap_ap(struct vop_mmap_args *ap) |
| 1382 | { |
| 1383 | int error; |
| 1384 | |
| 1385 | DO_OPS(ap->a_head.a_ops, error, ap, vop_mmap); |
| 1386 | return(error); |
| 1387 | } |
| 1388 | |
| 1389 | int |
| 1390 | vop_fsync_ap(struct vop_fsync_args *ap) |
| 1391 | { |
| 1392 | int error; |
| 1393 | |
| 1394 | DO_OPS(ap->a_head.a_ops, error, ap, vop_fsync); |
| 1395 | return(error); |
| 1396 | } |
| 1397 | |
| 1398 | int |
| 1399 | vop_readdir_ap(struct vop_readdir_args *ap) |
| 1400 | { |
| 1401 | int error; |
| 1402 | |
| 1403 | DO_OPS(ap->a_head.a_ops, error, ap, vop_readdir); |
| 1404 | return(error); |
| 1405 | } |
| 1406 | |
| 1407 | int |
| 1408 | vop_readlink_ap(struct vop_readlink_args *ap) |
| 1409 | { |
| 1410 | int error; |
| 1411 | |
| 1412 | DO_OPS(ap->a_head.a_ops, error, ap, vop_readlink); |
| 1413 | return(error); |
| 1414 | } |
| 1415 | |
| 1416 | int |
| 1417 | vop_inactive_ap(struct vop_inactive_args *ap) |
| 1418 | { |
| 1419 | int error; |
| 1420 | |
| 1421 | DO_OPS(ap->a_head.a_ops, error, ap, vop_inactive); |
| 1422 | return(error); |
| 1423 | } |
| 1424 | |
| 1425 | int |
| 1426 | vop_reclaim_ap(struct vop_reclaim_args *ap) |
| 1427 | { |
| 1428 | int error; |
| 1429 | |
| 1430 | DO_OPS(ap->a_head.a_ops, error, ap, vop_reclaim); |
| 1431 | return(error); |
| 1432 | } |
| 1433 | |
| 1434 | int |
| 1435 | vop_bmap_ap(struct vop_bmap_args *ap) |
| 1436 | { |
| 1437 | int error; |
| 1438 | |
| 1439 | DO_OPS(ap->a_head.a_ops, error, ap, vop_bmap); |
| 1440 | return(error); |
| 1441 | } |
| 1442 | |
| 1443 | int |
| 1444 | vop_strategy_ap(struct vop_strategy_args *ap) |
| 1445 | { |
| 1446 | int error; |
| 1447 | |
| 1448 | DO_OPS(ap->a_head.a_ops, error, ap, vop_strategy); |
| 1449 | return(error); |
| 1450 | } |
| 1451 | |
| 1452 | int |
| 1453 | vop_print_ap(struct vop_print_args *ap) |
| 1454 | { |
| 1455 | int error; |
| 1456 | |
| 1457 | DO_OPS(ap->a_head.a_ops, error, ap, vop_print); |
| 1458 | return(error); |
| 1459 | } |
| 1460 | |
| 1461 | int |
| 1462 | vop_pathconf_ap(struct vop_pathconf_args *ap) |
| 1463 | { |
| 1464 | int error; |
| 1465 | |
| 1466 | DO_OPS(ap->a_head.a_ops, error, ap, vop_pathconf); |
| 1467 | return(error); |
| 1468 | } |
| 1469 | |
| 1470 | int |
| 1471 | vop_advlock_ap(struct vop_advlock_args *ap) |
| 1472 | { |
| 1473 | int error; |
| 1474 | |
| 1475 | DO_OPS(ap->a_head.a_ops, error, ap, vop_advlock); |
| 1476 | return(error); |
| 1477 | } |
| 1478 | |
| 1479 | int |
| 1480 | vop_balloc_ap(struct vop_balloc_args *ap) |
| 1481 | { |
| 1482 | int error; |
| 1483 | |
| 1484 | DO_OPS(ap->a_head.a_ops, error, ap, vop_balloc); |
| 1485 | return(error); |
| 1486 | } |
| 1487 | |
| 1488 | int |
| 1489 | vop_reallocblks_ap(struct vop_reallocblks_args *ap) |
| 1490 | { |
| 1491 | int error; |
| 1492 | |
| 1493 | DO_OPS(ap->a_head.a_ops, error, ap, vop_reallocblks); |
| 1494 | return(error); |
| 1495 | } |
| 1496 | |
| 1497 | int |
| 1498 | vop_getpages_ap(struct vop_getpages_args *ap) |
| 1499 | { |
| 1500 | int error; |
| 1501 | |
| 1502 | DO_OPS(ap->a_head.a_ops, error, ap, vop_getpages); |
| 1503 | return(error); |
| 1504 | } |
| 1505 | |
| 1506 | int |
| 1507 | vop_putpages_ap(struct vop_putpages_args *ap) |
| 1508 | { |
| 1509 | int error; |
| 1510 | |
| 1511 | DO_OPS(ap->a_head.a_ops, error, ap, vop_putpages); |
| 1512 | return(error); |
| 1513 | } |
| 1514 | |
| 1515 | int |
| 1516 | vop_freeblks_ap(struct vop_freeblks_args *ap) |
| 1517 | { |
| 1518 | int error; |
| 1519 | |
| 1520 | DO_OPS(ap->a_head.a_ops, error, ap, vop_freeblks); |
| 1521 | return(error); |
| 1522 | } |
| 1523 | |
| 1524 | int |
| 1525 | vop_getacl_ap(struct vop_getacl_args *ap) |
| 1526 | { |
| 1527 | int error; |
| 1528 | |
| 1529 | DO_OPS(ap->a_head.a_ops, error, ap, vop_getacl); |
| 1530 | return(error); |
| 1531 | } |
| 1532 | |
| 1533 | int |
| 1534 | vop_setacl_ap(struct vop_setacl_args *ap) |
| 1535 | { |
| 1536 | int error; |
| 1537 | |
| 1538 | DO_OPS(ap->a_head.a_ops, error, ap, vop_setacl); |
| 1539 | return(error); |
| 1540 | } |
| 1541 | |
| 1542 | int |
| 1543 | vop_aclcheck_ap(struct vop_aclcheck_args *ap) |
| 1544 | { |
| 1545 | int error; |
| 1546 | |
| 1547 | DO_OPS(ap->a_head.a_ops, error, ap, vop_aclcheck); |
| 1548 | return(error); |
| 1549 | } |
| 1550 | |
| 1551 | int |
| 1552 | vop_getextattr_ap(struct vop_getextattr_args *ap) |
| 1553 | { |
| 1554 | int error; |
| 1555 | |
| 1556 | DO_OPS(ap->a_head.a_ops, error, ap, vop_getextattr); |
| 1557 | return(error); |
| 1558 | } |
| 1559 | |
| 1560 | int |
| 1561 | vop_setextattr_ap(struct vop_setextattr_args *ap) |
| 1562 | { |
| 1563 | int error; |
| 1564 | |
| 1565 | DO_OPS(ap->a_head.a_ops, error, ap, vop_setextattr); |
| 1566 | return(error); |
| 1567 | } |
| 1568 | |
| 1569 | int |
| 1570 | vop_mountctl_ap(struct vop_mountctl_args *ap) |
| 1571 | { |
| 1572 | int error; |
| 1573 | |
| 1574 | DO_OPS(ap->a_head.a_ops, error, ap, vop_mountctl); |
| 1575 | return(error); |
| 1576 | } |
| 1577 | |
| 1578 | int |
| 1579 | vop_markatime_ap(struct vop_markatime_args *ap) |
| 1580 | { |
| 1581 | int error; |
| 1582 | |
| 1583 | DO_OPS(ap->a_head.a_ops, error, ap, vop_markatime); |
| 1584 | return(error); |
| 1585 | } |
| 1586 | |
| 1587 | int |
| 1588 | vop_nresolve_ap(struct vop_nresolve_args *ap) |
| 1589 | { |
| 1590 | int error; |
| 1591 | |
| 1592 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nresolve); |
| 1593 | return(error); |
| 1594 | } |
| 1595 | |
| 1596 | int |
| 1597 | vop_nlookupdotdot_ap(struct vop_nlookupdotdot_args *ap) |
| 1598 | { |
| 1599 | int error; |
| 1600 | |
| 1601 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nlookupdotdot); |
| 1602 | return(error); |
| 1603 | } |
| 1604 | |
| 1605 | int |
| 1606 | vop_ncreate_ap(struct vop_ncreate_args *ap) |
| 1607 | { |
| 1608 | int error; |
| 1609 | |
| 1610 | DO_OPS(ap->a_head.a_ops, error, ap, vop_ncreate); |
| 1611 | return(error); |
| 1612 | } |
| 1613 | |
| 1614 | int |
| 1615 | vop_nmkdir_ap(struct vop_nmkdir_args *ap) |
| 1616 | { |
| 1617 | int error; |
| 1618 | |
| 1619 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nmkdir); |
| 1620 | return(error); |
| 1621 | } |
| 1622 | |
| 1623 | int |
| 1624 | vop_nmknod_ap(struct vop_nmknod_args *ap) |
| 1625 | { |
| 1626 | int error; |
| 1627 | |
| 1628 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nmknod); |
| 1629 | return(error); |
| 1630 | } |
| 1631 | |
| 1632 | int |
| 1633 | vop_nlink_ap(struct vop_nlink_args *ap) |
| 1634 | { |
| 1635 | int error; |
| 1636 | |
| 1637 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nlink); |
| 1638 | return(error); |
| 1639 | } |
| 1640 | |
| 1641 | int |
| 1642 | vop_nsymlink_ap(struct vop_nsymlink_args *ap) |
| 1643 | { |
| 1644 | int error; |
| 1645 | |
| 1646 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nsymlink); |
| 1647 | return(error); |
| 1648 | } |
| 1649 | |
| 1650 | int |
| 1651 | vop_nwhiteout_ap(struct vop_nwhiteout_args *ap) |
| 1652 | { |
| 1653 | int error; |
| 1654 | |
| 1655 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nwhiteout); |
| 1656 | return(error); |
| 1657 | } |
| 1658 | |
| 1659 | int |
| 1660 | vop_nremove_ap(struct vop_nremove_args *ap) |
| 1661 | { |
| 1662 | int error; |
| 1663 | |
| 1664 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nremove); |
| 1665 | return(error); |
| 1666 | } |
| 1667 | |
| 1668 | int |
| 1669 | vop_nrmdir_ap(struct vop_nrmdir_args *ap) |
| 1670 | { |
| 1671 | int error; |
| 1672 | |
| 1673 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nrmdir); |
| 1674 | return(error); |
| 1675 | } |
| 1676 | |
| 1677 | int |
| 1678 | vop_nrename_ap(struct vop_nrename_args *ap) |
| 1679 | { |
| 1680 | int error; |
| 1681 | |
| 1682 | DO_OPS(ap->a_head.a_ops, error, ap, vop_nrename); |
| 1683 | return(error); |
| 1684 | } |
| 1685 | |