| 1 | /* |
| 2 | * Portions Copyright (c) 2003 Apple Computer, Inc. All rights reserved. |
| 3 | */ |
| 4 | #include <afsconfig.h> |
| 5 | #include <afs/param.h> |
| 6 | |
| 7 | |
| 8 | #include <afs/sysincludes.h> /* Standard vendor system headers */ |
| 9 | #include <afsincludes.h> /* Afs-based standard headers */ |
| 10 | #include <afs/afs_stats.h> /* statistics */ |
| 11 | #include <sys/malloc.h> |
| 12 | #include <sys/namei.h> |
| 13 | #include <sys/conf.h> |
| 14 | #ifndef AFS_DARWIN80_ENV |
| 15 | #include <sys/syscall.h> |
| 16 | #endif |
| 17 | #include <sys/sysctl.h> |
| 18 | #include "../afs/sysctl.h" |
| 19 | |
| 20 | #ifndef M_UFSMNT |
| 21 | #define M_UFSMNT M_TEMP /* DARWIN80 MALLOC doesn't look at the type anyway */ |
| 22 | #endif |
| 23 | |
| 24 | struct vcache *afs_globalVp = 0; |
| 25 | struct mount *afs_globalVFS = 0; |
| 26 | int afs_vfs_typenum; |
| 27 | |
| 28 | int |
| 29 | afs_quotactl() |
| 30 | { |
| 31 | return ENOTSUP; |
| 32 | } |
| 33 | |
| 34 | int |
| 35 | afs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) |
| 36 | { |
| 37 | return (EINVAL); |
| 38 | } |
| 39 | |
| 40 | int |
| 41 | afs_vptofh(struct vnode *vp, struct fid *fhp) |
| 42 | { |
| 43 | return (EINVAL); |
| 44 | } |
| 45 | |
| 46 | #ifdef AFS_DARWIN80_ENV |
| 47 | #define CTX_TYPE vfs_context_t |
| 48 | #define CTX_PROC_CONVERT(C) vfs_context_proc((C)) |
| 49 | #define STATFS_TYPE struct vfsstatfs |
| 50 | #else |
| 51 | #define CTX_TYPE struct proc * |
| 52 | #define CTX_PROC_CONVERT(C) (C) |
| 53 | #define STATFS_TYPE struct statfs |
| 54 | #define vfs_statfs(VFS) &(VFS)->mnt_stat |
| 55 | #endif |
| 56 | #define PROC_DECL(out,in) struct proc *out = CTX_PROC_CONVERT(in) |
| 57 | |
| 58 | int |
| 59 | afs_start(struct mount *mp, int flags, CTX_TYPE p) |
| 60 | { |
| 61 | return (0); /* nothing to do. ? */ |
| 62 | } |
| 63 | |
| 64 | int |
| 65 | afs_statfs(struct mount *mp, STATFS_TYPE *abp, CTX_TYPE ctx); |
| 66 | #ifdef AFS_DARWIN80_ENV |
| 67 | int |
| 68 | afs_mount(struct mount *mp, vnode_t *devvp, user_addr_t data, vfs_context_t ctx) |
| 69 | #else |
| 70 | int |
| 71 | afs_mount(struct mount *mp, char *path, caddr_t data, struct nameidata *ndp, CTX_TYPE ctx) |
| 72 | #endif |
| 73 | { |
| 74 | /* ndp contains the mounted-from device. Just ignore it. |
| 75 | * we also don't care about our proc struct. */ |
| 76 | size_t size; |
| 77 | int error; |
| 78 | #ifdef AFS_DARWIN80_ENV |
| 79 | struct vfsioattr ioattr; |
| 80 | /* vfs_statfs advertised as RO, but isn't */ |
| 81 | /* new api will be needed to initialize this information (nfs needs to |
| 82 | set mntfromname too) */ |
| 83 | #endif |
| 84 | STATFS_TYPE *mnt_stat = vfs_statfs(mp); |
| 85 | |
| 86 | if (vfs_isupdate(mp)) |
| 87 | return EINVAL; |
| 88 | |
| 89 | AFS_GLOCK(); |
| 90 | AFS_STATCNT(afs_mount); |
| 91 | |
| 92 | if (data == 0 && afs_globalVFS) { /* Don't allow remounts. */ |
| 93 | AFS_GUNLOCK(); |
| 94 | return (EBUSY); |
| 95 | } |
| 96 | |
| 97 | afs_globalVFS = mp; |
| 98 | #ifdef AFS_DARWIN80_ENV |
| 99 | vfs_ioattr(mp, &ioattr); |
| 100 | ioattr.io_devblocksize = (16 * 32768); |
| 101 | vfs_setioattr(mp, &ioattr); |
| 102 | /* f_iosize is handled in VFS_GETATTR */ |
| 103 | #else |
| 104 | mp->vfs_bsize = 8192; |
| 105 | mp->mnt_stat.f_iosize = 8192; |
| 106 | #endif |
| 107 | vfs_getnewfsid(mp); |
| 108 | |
| 109 | #ifndef AFS_DARWIN80_ENV |
| 110 | (void)copyinstr(path, mp->mnt_stat.f_mntonname, MNAMELEN - 1, &size); |
| 111 | memset(mp->mnt_stat.f_mntonname + size, 0, MNAMELEN - size); |
| 112 | #endif |
| 113 | memset(mnt_stat->f_mntfromname, 0, MNAMELEN); |
| 114 | |
| 115 | if (data == 0) { |
| 116 | strcpy(mnt_stat->f_mntfromname, "AFS"); |
| 117 | /* null terminated string "AFS" will fit, just leave it be. */ |
| 118 | vfs_setfsprivate(mp, NULL); |
| 119 | } else { |
| 120 | struct VenusFid *rootFid = NULL; |
| 121 | struct volume *tvp; |
| 122 | char volName[MNAMELEN]; |
| 123 | |
| 124 | (void)copyinstr(data, volName, MNAMELEN - 1, &size); |
| 125 | memset(volName + size, 0, MNAMELEN - size); |
| 126 | |
| 127 | if (volName[0] == 0) { |
| 128 | strcpy(mnt_stat->f_mntfromname, "AFS"); |
| 129 | vfs_setfsprivate(mp, &afs_rootFid); |
| 130 | } else { |
| 131 | struct cell *localcell = afs_GetPrimaryCell(READ_LOCK); |
| 132 | if (localcell == NULL) { |
| 133 | AFS_GUNLOCK(); |
| 134 | return ENODEV; |
| 135 | } |
| 136 | |
| 137 | /* Set the volume identifier to "AFS:volume.name" */ |
| 138 | snprintf(mnt_stat->f_mntfromname, MNAMELEN - 1, "AFS:%s", |
| 139 | volName); |
| 140 | tvp = |
| 141 | afs_GetVolumeByName(volName, localcell->cellNum, 1, |
| 142 | (struct vrequest *)0, READ_LOCK); |
| 143 | |
| 144 | if (tvp) { |
| 145 | int volid = (tvp->roVol ? tvp->roVol : tvp->volume); |
| 146 | MALLOC(rootFid, struct VenusFid *, sizeof(*rootFid), M_UFSMNT, |
| 147 | M_WAITOK); |
| 148 | rootFid->Cell = localcell->cellNum; |
| 149 | rootFid->Fid.Volume = volid; |
| 150 | rootFid->Fid.Vnode = 1; |
| 151 | rootFid->Fid.Unique = 1; |
| 152 | } else { |
| 153 | AFS_GUNLOCK(); |
| 154 | return ENODEV; |
| 155 | } |
| 156 | |
| 157 | vfs_setfsprivate(mp, &rootFid); |
| 158 | } |
| 159 | } |
| 160 | #ifdef AFS_DARWIN80_ENV |
| 161 | afs_vfs_typenum=vfs_typenum(mp); |
| 162 | vfs_setauthopaque(mp); |
| 163 | vfs_setauthopaqueaccess(mp); |
| 164 | #else |
| 165 | strcpy(mp->mnt_stat.f_fstypename, "afs"); |
| 166 | #endif |
| 167 | AFS_GUNLOCK(); |
| 168 | (void)afs_statfs(mp, mnt_stat, ctx); |
| 169 | return 0; |
| 170 | } |
| 171 | |
| 172 | int |
| 173 | afs_unmount(struct mount *mp, int flags, CTX_TYPE ctx) |
| 174 | { |
| 175 | void *mdata = vfs_fsprivate(mp); |
| 176 | AFS_GLOCK(); |
| 177 | AFS_STATCNT(afs_unmount); |
| 178 | |
| 179 | if (mdata != (qaddr_t) - 1) { |
| 180 | if (mdata != NULL) { |
| 181 | vfs_setfsprivate(mp, (qaddr_t) - 1); |
| 182 | FREE(mdata, M_UFSMNT); |
| 183 | } else { |
| 184 | if (flags & MNT_FORCE) { |
| 185 | if (afs_globalVp) { |
| 186 | #ifdef AFS_DARWIN80_ENV |
| 187 | afs_PutVCache(afs_globalVp); |
| 188 | #else |
| 189 | AFS_GUNLOCK(); |
| 190 | vrele(AFSTOV(afs_globalVp)); |
| 191 | AFS_GLOCK(); |
| 192 | #endif |
| 193 | } |
| 194 | afs_globalVp = NULL; |
| 195 | AFS_GUNLOCK(); |
| 196 | vflush(mp, NULLVP, FORCECLOSE/*0*/); |
| 197 | AFS_GLOCK(); |
| 198 | afs_globalVFS = 0; |
| 199 | afs_shutdown(); |
| 200 | } else { |
| 201 | AFS_GUNLOCK(); |
| 202 | return EBUSY; |
| 203 | } |
| 204 | } |
| 205 | vfs_clearflags(mp, MNT_LOCAL); |
| 206 | } |
| 207 | |
| 208 | AFS_GUNLOCK(); |
| 209 | |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | #ifdef AFS_DARWIN80_ENV |
| 214 | int |
| 215 | afs_root(struct mount *mp, struct vnode **vpp, vfs_context_t ctx) |
| 216 | #else |
| 217 | int |
| 218 | afs_root(struct mount *mp, struct vnode **vpp) |
| 219 | #endif |
| 220 | { |
| 221 | void *mdata = vfs_fsprivate(mp); |
| 222 | int error; |
| 223 | struct vrequest treq; |
| 224 | struct vcache *tvp = 0; |
| 225 | struct vcache *gvp; |
| 226 | int needref=0; |
| 227 | #ifdef AFS_DARWIN80_ENV |
| 228 | struct ucred *cr = vfs_context_ucred(ctx); |
| 229 | #else |
| 230 | struct proc *p = current_proc(); |
| 231 | struct ucred _cr; |
| 232 | struct ucred *cr = &_cr; |
| 233 | |
| 234 | pcred_readlock(p); |
| 235 | _cr = *p->p_cred->pc_ucred; |
| 236 | pcred_unlock(p); |
| 237 | #endif |
| 238 | AFS_GLOCK(); |
| 239 | AFS_STATCNT(afs_root); |
| 240 | |
| 241 | again: |
| 242 | if (mdata == NULL && afs_globalVp |
| 243 | && (afs_globalVp->f.states & CStatd)) { |
| 244 | tvp = afs_globalVp; |
| 245 | error = 0; |
| 246 | needref=1; |
| 247 | } else if (mdata == (qaddr_t) - 1) { |
| 248 | error = ENOENT; |
| 249 | } else { |
| 250 | struct VenusFid *rootFid = (mdata == NULL) |
| 251 | ? &afs_rootFid : (struct VenusFid *)mdata; |
| 252 | |
| 253 | if (!(error = afs_InitReq(&treq, cr)) && !(error = afs_CheckInit())) { |
| 254 | tvp = afs_GetVCache(rootFid, &treq, NULL, NULL); |
| 255 | #ifdef AFS_DARWIN80_ENV |
| 256 | if (tvp) { |
| 257 | AFS_GUNLOCK(); |
| 258 | error = afs_darwin_finalizevnode(tvp, NULL, NULL, 1, 0); |
| 259 | AFS_GLOCK(); |
| 260 | if (error) |
| 261 | tvp = NULL; |
| 262 | else |
| 263 | /* re-acquire the usecount that finalizevnode disposed of */ |
| 264 | vnode_ref(AFSTOV(tvp)); |
| 265 | } |
| 266 | #endif |
| 267 | /* we really want this to stay around */ |
| 268 | if (tvp) { |
| 269 | if (mdata == NULL) { |
| 270 | gvp = afs_globalVp; |
| 271 | afs_globalVp = tvp; |
| 272 | if (gvp) { |
| 273 | afs_PutVCache(gvp); |
| 274 | if (tvp != afs_globalVp) { |
| 275 | /* someone else got there before us! */ |
| 276 | afs_PutVCache(tvp); |
| 277 | tvp = 0; |
| 278 | goto again; |
| 279 | } |
| 280 | } |
| 281 | needref=1; |
| 282 | } |
| 283 | } else |
| 284 | error = EIO; |
| 285 | } |
| 286 | } |
| 287 | if (tvp) { |
| 288 | #ifndef AFS_DARWIN80_ENV /* KPI callers don't need a usecount reference */ |
| 289 | osi_vnhold(tvp, 0); |
| 290 | AFS_GUNLOCK(); |
| 291 | vn_lock(AFSTOV(tvp), LK_EXCLUSIVE | LK_RETRY, p); |
| 292 | AFS_GLOCK(); |
| 293 | #endif |
| 294 | |
| 295 | if (needref) |
| 296 | #ifdef AFS_DARWIN80_ENV |
| 297 | /* This iocount is for the caller. the initial iocount |
| 298 | * is for the eventual afs_PutVCache. for mdata != null, |
| 299 | * there will not be a PutVCache, so the caller gets the |
| 300 | * initial (from GetVCache or finalizevnode) iocount |
| 301 | */ |
| 302 | vnode_get(AFSTOV(tvp)); |
| 303 | #else |
| 304 | ; |
| 305 | #endif |
| 306 | |
| 307 | if (mdata == NULL) |
| 308 | afs_globalVFS = mp; |
| 309 | |
| 310 | *vpp = AFSTOV(tvp); |
| 311 | #ifndef AFS_DARWIN80_ENV |
| 312 | AFSTOV(tvp)->v_flag |= VROOT; |
| 313 | AFSTOV(tvp)->v_vfsp = mp; |
| 314 | #endif |
| 315 | } |
| 316 | |
| 317 | afs_Trace2(afs_iclSetp, CM_TRACE_VFSROOT, ICL_TYPE_POINTER, *vpp, |
| 318 | ICL_TYPE_INT32, error); |
| 319 | AFS_GUNLOCK(); |
| 320 | return error; |
| 321 | } |
| 322 | |
| 323 | #ifndef AFS_DARWIN80_ENV /* vget vfsop never had this prototype AFAIK */ |
| 324 | int |
| 325 | afs_vget(struct mount *mp, int lfl, struct vnode *vp) |
| 326 | { |
| 327 | int error; |
| 328 | //printf("vget called. help!\n"); |
| 329 | if (vp->v_usecount < 0) { |
| 330 | vprint("bad usecount", vp); |
| 331 | panic("afs_vget"); |
| 332 | } |
| 333 | error = vget(vp, lfl, current_proc()); |
| 334 | if (!error) |
| 335 | insmntque(vp, mp); /* take off free list */ |
| 336 | return error; |
| 337 | } |
| 338 | |
| 339 | int afs_vfs_vget(struct mount *mp, void *ino, struct vnode **vpp) |
| 340 | { |
| 341 | return ENOENT; /* cannot implement */ |
| 342 | } |
| 343 | |
| 344 | #endif |
| 345 | |
| 346 | int |
| 347 | afs_statfs(struct mount *mp, STATFS_TYPE *abp, CTX_TYPE ctx) |
| 348 | { |
| 349 | STATFS_TYPE *sysstat = vfs_statfs(mp); |
| 350 | AFS_GLOCK(); |
| 351 | AFS_STATCNT(afs_statfs); |
| 352 | |
| 353 | #ifdef AFS_DARWIN80_ENV |
| 354 | abp->f_iosize = (256 * 1024); |
| 355 | abp->f_bsize = vfs_devblocksize(mp); |
| 356 | #else |
| 357 | abp->f_bsize = mp->vfs_bsize; |
| 358 | abp->f_iosize = mp->vfs_bsize; |
| 359 | #endif |
| 360 | #if 0 |
| 361 | abp->f_type = MOUNT_AFS; |
| 362 | #endif |
| 363 | |
| 364 | abp->f_blocks = abp->f_bfree = abp->f_bavail = abp->f_files = |
| 365 | abp->f_ffree = AFS_VFS_FAKEFREE; |
| 366 | |
| 367 | if (abp != sysstat) { |
| 368 | abp->f_fsid.val[0] = sysstat->f_fsid.val[0]; |
| 369 | abp->f_fsid.val[1] = sysstat->f_fsid.val[1]; |
| 370 | #ifndef AFS_DARWIN80_ENV |
| 371 | abp->f_type = vfs_typenum(mp); |
| 372 | #endif |
| 373 | memcpy((caddr_t) & abp->f_mntonname[0], |
| 374 | (caddr_t) sysstat->f_mntonname, MNAMELEN); |
| 375 | memcpy((caddr_t) & abp->f_mntfromname[0], |
| 376 | (caddr_t) sysstat->f_mntfromname, MNAMELEN); |
| 377 | } |
| 378 | |
| 379 | AFS_GUNLOCK(); |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | #ifdef AFS_DARWIN80_ENV |
| 384 | int |
| 385 | afs_vfs_getattr(struct mount *mp, struct vfs_attr *outattrs, |
| 386 | vfs_context_t context) |
| 387 | { |
| 388 | VFSATTR_RETURN(outattrs, f_bsize, vfs_devblocksize(mp)); |
| 389 | VFSATTR_RETURN(outattrs, f_iosize, vfs_devblocksize(mp)); |
| 390 | VFSATTR_RETURN(outattrs, f_blocks, 2000000); |
| 391 | VFSATTR_RETURN(outattrs, f_bfree, 2000000); |
| 392 | VFSATTR_RETURN(outattrs, f_bavail, 2000000); |
| 393 | VFSATTR_RETURN(outattrs, f_files, 2000000); |
| 394 | VFSATTR_RETURN(outattrs, f_ffree, 2000000); |
| 395 | if ( VFSATTR_IS_ACTIVE(outattrs, f_capabilities) ) |
| 396 | { |
| 397 | vol_capabilities_attr_t *vcapattrptr; |
| 398 | vcapattrptr = &outattrs->f_capabilities; |
| 399 | vcapattrptr->capabilities[VOL_CAPABILITIES_FORMAT] = |
| 400 | VOL_CAP_FMT_SYMBOLICLINKS | |
| 401 | VOL_CAP_FMT_HARDLINKS | |
| 402 | VOL_CAP_FMT_ZERO_RUNS | |
| 403 | VOL_CAP_FMT_CASE_SENSITIVE | |
| 404 | VOL_CAP_FMT_CASE_PRESERVING | |
| 405 | VOL_CAP_FMT_PERSISTENTOBJECTIDS | |
| 406 | VOL_CAP_FMT_2TB_FILESIZE | |
| 407 | VOL_CAP_FMT_FAST_STATFS; |
| 408 | vcapattrptr->capabilities[VOL_CAPABILITIES_INTERFACES] = |
| 409 | VOL_CAP_INT_ADVLOCK | |
| 410 | VOL_CAP_INT_FLOCK; |
| 411 | vcapattrptr->capabilities[VOL_CAPABILITIES_RESERVED1] = 0; |
| 412 | vcapattrptr->capabilities[VOL_CAPABILITIES_RESERVED2] = 0; |
| 413 | |
| 414 | /* Capabilities we know about: */ |
| 415 | vcapattrptr->valid[VOL_CAPABILITIES_FORMAT] = |
| 416 | VOL_CAP_FMT_PERSISTENTOBJECTIDS | |
| 417 | VOL_CAP_FMT_SYMBOLICLINKS | |
| 418 | VOL_CAP_FMT_HARDLINKS | |
| 419 | VOL_CAP_FMT_JOURNAL | |
| 420 | VOL_CAP_FMT_JOURNAL_ACTIVE | |
| 421 | VOL_CAP_FMT_NO_ROOT_TIMES | |
| 422 | VOL_CAP_FMT_SPARSE_FILES | |
| 423 | VOL_CAP_FMT_ZERO_RUNS | |
| 424 | VOL_CAP_FMT_CASE_SENSITIVE | |
| 425 | VOL_CAP_FMT_CASE_PRESERVING | |
| 426 | VOL_CAP_FMT_PERSISTENTOBJECTIDS | |
| 427 | VOL_CAP_FMT_2TB_FILESIZE | |
| 428 | VOL_CAP_FMT_FAST_STATFS; |
| 429 | vcapattrptr->valid[VOL_CAPABILITIES_INTERFACES] = |
| 430 | VOL_CAP_INT_SEARCHFS | |
| 431 | VOL_CAP_INT_ATTRLIST | |
| 432 | VOL_CAP_INT_NFSEXPORT | |
| 433 | VOL_CAP_INT_READDIRATTR | |
| 434 | VOL_CAP_INT_EXCHANGEDATA | |
| 435 | VOL_CAP_INT_COPYFILE | |
| 436 | VOL_CAP_INT_ALLOCATE | |
| 437 | VOL_CAP_INT_VOL_RENAME | |
| 438 | VOL_CAP_INT_ADVLOCK | |
| 439 | VOL_CAP_INT_FLOCK; |
| 440 | vcapattrptr->valid[VOL_CAPABILITIES_RESERVED1] = 0; |
| 441 | vcapattrptr->valid[VOL_CAPABILITIES_RESERVED2] = 0; |
| 442 | |
| 443 | VFSATTR_SET_SUPPORTED(outattrs, f_capabilities); |
| 444 | } |
| 445 | return 0; |
| 446 | } |
| 447 | #endif |
| 448 | |
| 449 | #ifdef AFS_DARWIN80_ENV |
| 450 | int |
| 451 | afs_sync(struct mount *mp, int waitfor, CTX_TYPE ctx) |
| 452 | #else |
| 453 | int |
| 454 | afs_sync(struct mount *mp, int waitfor, struct ucred *cred, struct proc *p) |
| 455 | #endif |
| 456 | { |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | u_int32_t afs_darwin_realmodes = 0; |
| 461 | u_int32_t afs_darwin_fsevents = 0; |
| 462 | extern int AFSDOBULK; |
| 463 | |
| 464 | int |
| 465 | afs_sysctl_int(int *name, u_int namelen, user_addr_t oldp, size_t *oldlenp, |
| 466 | user_addr_t newp, size_t newlen, u_int32_t *object) |
| 467 | { |
| 468 | #ifdef AFS_DARWIN80_ENV |
| 469 | int error; |
| 470 | |
| 471 | if (oldp != USER_ADDR_NULL && oldlenp == NULL) |
| 472 | return (EFAULT); |
| 473 | if (oldp && *oldlenp < sizeof(u_int32_t)) |
| 474 | return (ENOMEM); |
| 475 | if (newp && newlen != sizeof(u_int32_t)) |
| 476 | return (EINVAL); |
| 477 | *oldlenp = sizeof(u_int32_t); |
| 478 | if (oldp) { |
| 479 | if ((error = copyout(object, |
| 480 | oldp, sizeof(u_int32_t)))) { |
| 481 | return error; |
| 482 | } |
| 483 | } |
| 484 | if (newp) |
| 485 | return copyin(newp, object, sizeof(u_int32_t)); |
| 486 | return 0; |
| 487 | #else |
| 488 | return sysctl_int(oldp, oldlenp, newp, newlen, |
| 489 | object); |
| 490 | #endif |
| 491 | } |
| 492 | |
| 493 | #ifdef AFS_DARWIN80_ENV |
| 494 | int |
| 495 | afs_sysctl(int *name, u_int namelen, user_addr_t oldp, size_t *oldlenp, |
| 496 | user_addr_t newp, size_t newlen, vfs_context_t context) |
| 497 | #else |
| 498 | int |
| 499 | afs_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, |
| 500 | void *newp, size_t newlen, struct proc *p) |
| 501 | #endif |
| 502 | { |
| 503 | switch (name[0]) { |
| 504 | case AFS_SC_ALL: |
| 505 | /* nothing defined */ |
| 506 | break; |
| 507 | case AFS_SC_DARWIN: |
| 508 | if (namelen < 3) |
| 509 | return ENOENT; |
| 510 | switch (name[1]) { |
| 511 | case AFS_SC_DARWIN_ALL: |
| 512 | switch (name[2]) { |
| 513 | case AFS_SC_DARWIN_ALL_REALMODES: |
| 514 | return afs_sysctl_int(name, namelen, oldp, oldlenp, |
| 515 | newp, newlen, &afs_darwin_realmodes); |
| 516 | case AFS_SC_DARWIN_ALL_FSEVENTS: |
| 517 | return afs_sysctl_int(name, namelen, oldp, oldlenp, |
| 518 | newp, newlen, &afs_darwin_fsevents); |
| 519 | case AFS_SC_DARWIN_ALL_BULKSTAT: |
| 520 | return afs_sysctl_int(name, namelen, oldp, oldlenp, |
| 521 | newp, newlen, &AFSDOBULK); |
| 522 | } |
| 523 | break; |
| 524 | /* darwin version specific sysctl's goes here */ |
| 525 | } |
| 526 | break; |
| 527 | } |
| 528 | return ENOTSUP; |
| 529 | } |
| 530 | |
| 531 | typedef (*PFI) (); |
| 532 | extern int vfs_opv_numops; /* The total number of defined vnode operations */ |
| 533 | extern struct vnodeopv_desc afs_vnodeop_opv_desc; |
| 534 | int |
| 535 | afs_init(struct vfsconf *vfc) |
| 536 | { |
| 537 | #ifndef AFS_DARWIN80_ENV /* vfs_fsadd does all this junk */ |
| 538 | int j; |
| 539 | int (**opv_desc_vector) (); |
| 540 | struct vnodeopv_entry_desc *opve_descp; |
| 541 | |
| 542 | |
| 543 | |
| 544 | MALLOC(afs_vnodeop_p, PFI *, vfs_opv_numops * sizeof(PFI), M_TEMP, |
| 545 | M_WAITOK); |
| 546 | |
| 547 | memset(afs_vnodeop_p, 0, vfs_opv_numops * sizeof(PFI)); |
| 548 | |
| 549 | opv_desc_vector = afs_vnodeop_p; |
| 550 | for (j = 0; afs_vnodeop_opv_desc.opv_desc_ops[j].opve_op; j++) { |
| 551 | opve_descp = &(afs_vnodeop_opv_desc.opv_desc_ops[j]); |
| 552 | |
| 553 | /* |
| 554 | * Sanity check: is this operation listed |
| 555 | * in the list of operations? We check this |
| 556 | * by seeing if its offest is zero. Since |
| 557 | * the default routine should always be listed |
| 558 | * first, it should be the only one with a zero |
| 559 | * offset. Any other operation with a zero |
| 560 | * offset is probably not listed in |
| 561 | * vfs_op_descs, and so is probably an error. |
| 562 | * |
| 563 | * A panic here means the layer programmer |
| 564 | * has committed the all-too common bug |
| 565 | * of adding a new operation to the layer's |
| 566 | * list of vnode operations but |
| 567 | * not adding the operation to the system-wide |
| 568 | * list of supported operations. |
| 569 | */ |
| 570 | if (opve_descp->opve_op->vdesc_offset == 0 |
| 571 | && opve_descp->opve_op->vdesc_offset != VOFFSET(vop_default)) { |
| 572 | printf("afs_init: operation %s not listed in %s.\n", |
| 573 | opve_descp->opve_op->vdesc_name, "vfs_op_descs"); |
| 574 | panic("load_afs: bad operation"); |
| 575 | } |
| 576 | /* |
| 577 | * Fill in this entry. |
| 578 | */ |
| 579 | opv_desc_vector[opve_descp->opve_op->vdesc_offset] = |
| 580 | opve_descp->opve_impl; |
| 581 | } |
| 582 | |
| 583 | /* |
| 584 | * Finally, go back and replace unfilled routines |
| 585 | * with their default. (Sigh, an O(n^3) algorithm. I |
| 586 | * could make it better, but that'd be work, and n is small.) |
| 587 | */ |
| 588 | |
| 589 | /* |
| 590 | * Force every operations vector to have a default routine. |
| 591 | */ |
| 592 | opv_desc_vector = afs_vnodeop_p; |
| 593 | if (opv_desc_vector[VOFFSET(vop_default)] == NULL) { |
| 594 | panic("afs_init: operation vector without default routine."); |
| 595 | } |
| 596 | for (j = 0; j < vfs_opv_numops; j++) |
| 597 | if (opv_desc_vector[j] == NULL) |
| 598 | opv_desc_vector[j] = opv_desc_vector[VOFFSET(vop_default)]; |
| 599 | #endif |
| 600 | return 0; |
| 601 | } |
| 602 | |
| 603 | struct vfsops afs_vfsops = { |
| 604 | afs_mount, |
| 605 | afs_start, |
| 606 | afs_unmount, |
| 607 | afs_root, |
| 608 | #ifdef AFS_DARWIN80_ENV |
| 609 | 0, |
| 610 | afs_vfs_getattr, |
| 611 | #else |
| 612 | afs_quotactl, |
| 613 | afs_statfs, |
| 614 | #endif |
| 615 | afs_sync, |
| 616 | #ifdef AFS_DARWIN80_ENV |
| 617 | 0,0,0, |
| 618 | #else |
| 619 | afs_vfs_vget, |
| 620 | afs_fhtovp, |
| 621 | afs_vptofh, |
| 622 | #endif |
| 623 | afs_init, |
| 624 | afs_sysctl, |
| 625 | #ifdef AFS_DARWIN80_ENV |
| 626 | 0 /*setattr */, |
| 627 | {0} |
| 628 | #endif |
| 629 | }; |