2 * Portions Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
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>
14 #include <vfs/vfs_support.h>
15 #ifdef AFS_DARWIN80_ENV
16 #include <sys/vnode_if.h>
17 #include <sys/kauth.h>
20 #ifdef AFS_DARWIN80_ENV
21 #define VOPPREF(x) &vnop_ ## x
22 #define VOPPROT(x) vnop_ ## x
23 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
24 ubc_upl_abort_range((pl), (offset), (size), (flags))
25 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
26 ubc_upl_commit_range((pl), (offset), (size), (flags))
27 #define OSI_UPL_MAP(upl, offset) ubc_upl_map((upl), (offset))
28 #define OSI_UPL_UNMAP(upl) ubc_upl_unmap((upl))
29 #define VOP_ABORTOP(x, y)
31 #define VOPPREF(x) &vop_ ## x
32 #define VOPPROT(x) vop_ ## x
33 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
34 kernel_upl_abort_range((pl), (offset), (size), (flags))
35 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
36 kernel_upl_commit_range((pl), (offset), (size), (flags), \
37 UPL_GET_INTERNAL_PAGE_LIST((pl)),\
39 #define OSI_UPL_MAP(upl, offset) kernel_upl_map(kernel_map, (upl), (offset))
40 #define OSI_UPL_UNMAP(upl) kernel_upl_unmap(kernel_map, (upl))
43 extern char afs_zeros[AFS_ZEROS];
45 int afs_vop_lookup(struct VOPPROT(lookup_args) *);
46 int afs_vop_create(struct VOPPROT(create_args) *);
47 int afs_vop_mknod(struct VOPPROT(mknod_args) *);
48 int afs_vop_open(struct VOPPROT(open_args) *);
49 int afs_vop_close(struct VOPPROT(close_args) *);
50 int afs_vop_access(struct VOPPROT(access_args) *);
51 int afs_vop_getattr(struct VOPPROT(getattr_args) *);
52 int afs_vop_setattr(struct VOPPROT(setattr_args) *);
53 int afs_vop_read(struct VOPPROT(read_args) *);
54 int afs_vop_write(struct VOPPROT(write_args) *);
55 int afs_vop_pagein(struct VOPPROT(pagein_args) *);
56 int afs_vop_pageout(struct VOPPROT(pageout_args) *);
57 int afs_vop_ioctl(struct VOPPROT(ioctl_args) *);
58 int afs_vop_select(struct VOPPROT(select_args) *);
59 int afs_vop_mmap(struct VOPPROT(mmap_args) *);
60 int afs_vop_fsync(struct VOPPROT(fsync_args) *);
61 int afs_vop_remove(struct VOPPROT(remove_args) *);
62 int afs_vop_link(struct VOPPROT(link_args) *);
63 int afs_vop_rename(struct VOPPROT(rename_args) *);
64 int afs_vop_mkdir(struct VOPPROT(mkdir_args) *);
65 int afs_vop_rmdir(struct VOPPROT(rmdir_args) *);
66 int afs_vop_symlink(struct VOPPROT(symlink_args) *);
67 int afs_vop_readdir(struct VOPPROT(readdir_args) *);
68 int afs_vop_readlink(struct VOPPROT(readlink_args) *);
69 int afs_vop_inactive(struct VOPPROT(inactive_args) *);
70 int afs_vop_reclaim(struct VOPPROT(reclaim_args) *);
71 int afs_vop_strategy(struct VOPPROT(strategy_args) *);
72 int afs_vop_pathconf(struct VOPPROT(pathconf_args) *);
73 int afs_vop_advlock(struct VOPPROT(advlock_args) *);
74 int afs_vop_blktooff __P((struct VOPPROT(blktooff_args) *));
75 int afs_vop_offtoblk __P((struct VOPPROT(offtoblk_args) *));
76 #ifndef AFS_DARWIN80_ENV
77 int afs_vop_truncate(struct VOPPROT(truncate_args) *);
78 int afs_vop_update(struct VOPPROT(update_args) *);
79 int afs_vop_lock(struct VOPPROT(lock_args) *);
80 int afs_vop_unlock(struct VOPPROT(unlock_args) *);
81 int afs_vop_bmap(struct VOPPROT(bmap_args) *);
82 int afs_vop_seek(struct VOPPROT(seek_args) *);
83 int afs_vop_cmap __P((struct VOPPROT(cmap_args) *));
84 int afs_vop_print(struct VOPPROT(print_args) *);
85 int afs_vop_islocked(struct VOPPROT(islocked_args) *);
88 #define afs_vop_opnotsupp \
89 ((int (*) __P((struct vop_reallocblks_args *)))eopnotsupp)
90 #define afs_vop_valloc afs_vop_opnotsupp
91 #define afs_vop_vfree afs_vop_opnotsupp
92 #define afs_vop_blkatoff afs_vop_opnotsupp
93 #define afs_vop_reallocblks afs_vop_opnotsupp
95 /* Global vfs data structures for AFS. */
96 int (**afs_vnodeop_p) ();
98 #define VOPFUNC int (*)(void *)
100 struct vnodeopv_entry_desc afs_vnodeop_entries[] = {
101 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
102 {VOPPREF(lookup_desc), (VOPFUNC)afs_vop_lookup}, /* lookup */
103 {VOPPREF(create_desc), (VOPFUNC)afs_vop_create}, /* create */
104 {VOPPREF(mknod_desc), (VOPFUNC)afs_vop_mknod}, /* mknod */
105 {VOPPREF(open_desc), (VOPFUNC)afs_vop_open}, /* open */
106 {VOPPREF(close_desc), (VOPFUNC)afs_vop_close}, /* close */
107 {VOPPREF(access_desc), (VOPFUNC)afs_vop_access}, /* access */
108 {VOPPREF(getattr_desc), (VOPFUNC)afs_vop_getattr}, /* getattr */
109 {VOPPREF(setattr_desc), (VOPFUNC)afs_vop_setattr}, /* setattr */
110 {VOPPREF(read_desc), (VOPFUNC)afs_vop_read}, /* read */
111 {VOPPREF(write_desc), (VOPFUNC)afs_vop_write}, /* write */
112 {VOPPREF(pagein_desc), (VOPFUNC)afs_vop_pagein}, /* read */
113 {VOPPREF(pageout_desc), (VOPFUNC)afs_vop_pageout}, /* write */
114 {VOPPREF(ioctl_desc), (VOPFUNC)afs_vop_ioctl}, /* XXX ioctl */
115 {VOPPREF(select_desc), (VOPFUNC)afs_vop_select}, /* select */
116 {VOPPREF(mmap_desc), (VOPFUNC)afs_vop_mmap}, /* mmap */
117 {VOPPREF(fsync_desc), (VOPFUNC)afs_vop_fsync}, /* fsync */
118 #ifndef AFS_DARWIN80_ENV
119 {VOPPREF(seek_desc), (VOPFUNC)afs_vop_seek}, /* seek */
121 {VOPPREF(remove_desc), (VOPFUNC)afs_vop_remove}, /* remove */
122 {VOPPREF(link_desc), (VOPFUNC)afs_vop_link}, /* link */
123 {VOPPREF(rename_desc), (VOPFUNC)afs_vop_rename}, /* rename */
124 {VOPPREF(mkdir_desc), (VOPFUNC)afs_vop_mkdir}, /* mkdir */
125 {VOPPREF(rmdir_desc), (VOPFUNC)afs_vop_rmdir}, /* rmdir */
126 {VOPPREF(symlink_desc), (VOPFUNC)afs_vop_symlink}, /* symlink */
127 {VOPPREF(readdir_desc), (VOPFUNC)afs_vop_readdir}, /* readdir */
128 {VOPPREF(readlink_desc), (VOPFUNC)afs_vop_readlink}, /* readlink */
129 #ifndef AFS_DARWIN80_ENV
130 {VOPPREF(abortop_desc), (VOPFUNC)nop_abortop }, /* abortop */
132 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
133 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
134 #ifndef AFS_DARWIN80_ENV
135 {VOPPREF(lock_desc), (VOPFUNC)afs_vop_lock}, /* lock */
136 {VOPPREF(unlock_desc), (VOPFUNC)afs_vop_unlock}, /* unlock */
137 {VOPPREF(bmap_desc), (VOPFUNC)afs_vop_bmap}, /* bmap */
139 #ifdef AFS_DARWIN80_ENV
140 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
142 {VOPPREF(strategy_desc), (VOPFUNC)afs_vop_strategy}, /* strategy */
144 #ifndef AFS_DARWIN80_ENV
145 {VOPPREF(print_desc), (VOPFUNC)afs_vop_print}, /* print */
146 {VOPPREF(islocked_desc), (VOPFUNC)afs_vop_islocked}, /* islocked */
148 {VOPPREF(pathconf_desc), (VOPFUNC)afs_vop_pathconf}, /* pathconf */
149 {VOPPREF(advlock_desc), (VOPFUNC)afs_vop_advlock}, /* advlock */
150 #ifndef AFS_DARWIN80_ENV
151 {VOPPREF(blkatoff_desc), (VOPFUNC)afs_vop_blkatoff}, /* blkatoff */
152 {VOPPREF(valloc_desc), (VOPFUNC)afs_vop_valloc}, /* valloc */
153 {VOPPREF(reallocblks_desc), (VOPFUNC)afs_vop_reallocblks}, /* reallocblks */
154 {VOPPREF(vfree_desc), (VOPFUNC)afs_vop_vfree}, /* vfree */
155 {VOPPREF(update_desc), (VOPFUNC)afs_vop_update}, /* update */
156 {VOPPREF(cmap_desc), (VOPFUNC)afs_vop_cmap}, /* cmap */
157 {VOPPREF(truncate_desc), (VOPFUNC)afs_vop_truncate}, /* truncate */
159 {VOPPREF(blktooff_desc), (VOPFUNC)afs_vop_blktooff}, /* blktooff */
160 {VOPPREF(offtoblk_desc), (VOPFUNC)afs_vop_offtoblk}, /* offtoblk */
161 {VOPPREF(bwrite_desc), (VOPFUNC)vn_bwrite},
162 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
164 struct vnodeopv_desc afs_vnodeop_opv_desc =
165 { &afs_vnodeop_p, afs_vnodeop_entries };
167 #ifdef AFS_DARWIN80_ENV
168 /* vfs structures for incompletely initialized vnodes */
169 int (**afs_dead_vnodeop_p) ();
171 struct vnodeopv_entry_desc afs_dead_vnodeop_entries[] = {
172 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
173 {VOPPREF(lookup_desc), (VOPFUNC)vn_default_error}, /* lookup */
174 {VOPPREF(create_desc), (VOPFUNC)err_create}, /* create */
175 {VOPPREF(mknod_desc), (VOPFUNC)err_mknod}, /* mknod */
176 {VOPPREF(open_desc), (VOPFUNC)err_open}, /* open */
177 {VOPPREF(close_desc), (VOPFUNC)err_close}, /* close */
178 {VOPPREF(access_desc), (VOPFUNC)err_access}, /* access */
179 {VOPPREF(getattr_desc), (VOPFUNC)err_getattr}, /* getattr */
180 {VOPPREF(setattr_desc), (VOPFUNC)err_setattr}, /* setattr */
181 {VOPPREF(read_desc), (VOPFUNC)err_read}, /* read */
182 {VOPPREF(write_desc), (VOPFUNC)err_write}, /* write */
183 {VOPPREF(pagein_desc), (VOPFUNC)err_pagein}, /* read */
184 {VOPPREF(pageout_desc), (VOPFUNC)err_pageout}, /* write */
185 {VOPPREF(ioctl_desc), (VOPFUNC)err_ioctl}, /* XXX ioctl */
186 {VOPPREF(select_desc), (VOPFUNC)nop_select}, /* select */
187 {VOPPREF(mmap_desc), (VOPFUNC)err_mmap}, /* mmap */
188 {VOPPREF(fsync_desc), (VOPFUNC)err_fsync}, /* fsync */
189 {VOPPREF(remove_desc), (VOPFUNC)err_remove}, /* remove */
190 {VOPPREF(link_desc), (VOPFUNC)err_link}, /* link */
191 {VOPPREF(rename_desc), (VOPFUNC)err_rename}, /* rename */
192 {VOPPREF(mkdir_desc), (VOPFUNC)err_mkdir}, /* mkdir */
193 {VOPPREF(rmdir_desc), (VOPFUNC)err_rmdir}, /* rmdir */
194 {VOPPREF(symlink_desc), (VOPFUNC)err_symlink}, /* symlink */
195 {VOPPREF(readdir_desc), (VOPFUNC)err_readdir}, /* readdir */
196 {VOPPREF(readlink_desc), (VOPFUNC)err_readlink}, /* readlink */
197 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
198 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
199 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
200 {VOPPREF(pathconf_desc), (VOPFUNC)err_pathconf}, /* pathconf */
201 {VOPPREF(advlock_desc), (VOPFUNC)err_advlock}, /* advlock */
202 {VOPPREF(blktooff_desc), (VOPFUNC)err_blktooff}, /* blktooff */
203 {VOPPREF(offtoblk_desc), (VOPFUNC)err_offtoblk}, /* offtoblk */
204 {VOPPREF(bwrite_desc), (VOPFUNC)err_bwrite},
205 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
207 struct vnodeopv_desc afs_dead_vnodeop_opv_desc =
208 { &afs_dead_vnodeop_p, afs_dead_vnodeop_entries };
212 struct componentname *cnp = ap->a_cnp; \
214 MALLOC(name, char *, cnp->cn_namelen+1, M_TEMP, M_WAITOK); \
215 memcpy(name, cnp->cn_nameptr, cnp->cn_namelen); \
216 name[cnp->cn_namelen] = '\0'
218 #define DROPNAME() FREE(name, M_TEMP)
221 darwin_vn_hold(struct vnode *vp)
223 int haveGlock=ISAFS_GLOCK();
224 struct vcache *tvc = VTOAFS(vp);
226 #ifndef AFS_DARWIN80_ENV
227 tvc->f.states |= CUBCinit;
229 #ifdef AFS_DARWIN80_ENV
230 osi_Assert((tvc->f.states & CVInit) == 0);
231 if (tvc->f.states & CDeadVnode)
232 osi_Assert(!vnode_isinuse(vp, 1));
234 if (haveGlock) AFS_GUNLOCK();
236 #ifdef AFS_DARWIN80_ENV
238 /* being terminated. kernel won't give us a ref. Now what? our
239 callers don't expect us to fail */
240 if (haveGlock) AFS_GLOCK();
245 if (haveGlock) AFS_GLOCK();
250 /* vget needed for 0 ref'd vnode in GetVCache to not panic in vref.
251 vref needed for multiref'd vnode in vnop_remove not to deadlock
252 ourselves during vop_inactive, except we also need to not reinst
253 the ubc... so we just call VREF there now anyway. */
255 if (VREFCOUNT_GT(tvc, 0))
256 VREF(((struct vnode *)(vp)));
258 afs_vget(afs_globalVFS, 0, (vp));
261 #ifndef AFS_DARWIN80_ENV
262 if (UBCINFOMISSING(vp) || UBCINFORECLAIMED(vp)) {
267 if (haveGlock) AFS_GLOCK();
268 #ifndef AFS_DARWIN80_ENV
269 tvc->f.states &= ~CUBCinit;
274 struct VOPPROT(lookup_args)/* {
275 * struct vnodeop_desc * a_desc;
276 * struct vnode *a_dvp;
277 * struct vnode **a_vpp;
278 * struct componentname *a_cnp;
283 struct vnode *vp, *dvp;
284 register int flags = ap->a_cnp->cn_flags;
285 int lockparent; /* 1 => lockparent flag is set */
286 int wantparent; /* 1 => wantparent or lockparent flag */
288 #ifdef AFS_DARWIN80_ENV
289 vcp = VTOAFS(ap->a_dvp);
290 if (vcp->mvstat != 1) {
291 error = cache_lookup(ap->a_dvp, ap->a_vpp, ap->a_cnp);
302 lockparent = flags & LOCKPARENT;
303 wantparent = flags & (LOCKPARENT | WANTPARENT);
305 if (!vnode_isdir(ap->a_dvp)) {
311 #ifndef AFS_DARWIN80_ENV
312 if (flags & ISDOTDOT)
313 VOP_UNLOCK(dvp, 0, p);
316 error = afs_lookup(VTOAFS(dvp), name, &vcp, vop_cn_cred);
319 #ifndef AFS_DARWIN80_ENV
320 if (flags & ISDOTDOT)
321 VOP_LOCK(dvp, LK_EXCLUSIVE | LK_RETRY, p);
323 if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME)
324 && (flags & ISLASTCN) && error == ENOENT)
326 #ifndef AFS_DARWIN80_ENV
327 if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))
328 cnp->cn_flags |= SAVENAME;
334 #ifdef AFS_DARWIN80_ENV
335 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0, 0))) {
341 vp = AFSTOV(vcp); /* always get a node if no error */
342 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
343 vp->v_vfsp = dvp->v_vfsp;
345 if (UBCINFOMISSING(vp) ||
346 UBCINFORECLAIMED(vp)) {
351 #ifndef AFS_DARWIN80_ENV
352 /* The parent directory comes in locked. We unlock it on return
353 * unless the caller wants it left locked.
354 * we also always return the vnode locked. */
356 if (flags & ISDOTDOT) {
357 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
358 /* always return the child locked */
359 if (lockparent && (flags & ISLASTCN)
360 && (error = vn_lock(dvp, LK_EXCLUSIVE, p))) {
365 } else if (vp == dvp) {
366 /* they're the same; afs_lookup() already ref'ed the leaf.
367 * It came in locked, so we don't need to ref OR lock it */
369 if (!lockparent || !(flags & ISLASTCN))
370 VOP_UNLOCK(dvp, 0, p); /* done with parent. */
371 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
372 /* always return the child locked */
377 #ifndef AFS_DARWIN80_ENV
378 if ((cnp->cn_nameiop == RENAME && wantparent && (flags & ISLASTCN)
379 || (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))))
380 cnp->cn_flags |= SAVENAME;
389 struct VOPPROT(create_args) /* {
390 * struct vnode *a_dvp;
391 * struct vnode **a_vpp;
392 * struct componentname *a_cnp;
393 * struct vattr *a_vap;
398 register struct vnode *dvp = ap->a_dvp;
403 /* vnode layer handles excl/nonexcl */
406 afs_create(VTOAFS(dvp), name, ap->a_vap, NONEXCL, ap->a_vap->va_mode,
410 #ifndef AFS_DARWIN80_ENV
411 VOP_ABORTOP(dvp, cnp);
419 #ifdef AFS_DARWIN80_ENV
420 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0, 0))) {
426 *ap->a_vpp = AFSTOV(vcp);
427 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
428 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
429 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
430 if (UBCINFOMISSING(*ap->a_vpp) || UBCINFORECLAIMED(*ap->a_vpp)) {
431 vcp->f.states |= CUBCinit;
432 ubc_info_init(*ap->a_vpp);
433 vcp->f.states &= ~CUBCinit;
439 #ifndef AFS_DARWIN80_ENV
440 if ((cnp->cn_flags & SAVESTART) == 0)
441 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
450 struct VOPPROT(mknod_args) /* {
451 * struct vnode *a_dvp;
452 * struct vnode **a_vpp;
453 * struct componentname *a_cnp;
454 * struct vattr *a_vap;
457 #ifndef AFS_DARWIN80_ENV
458 FREE_ZONE(ap->a_cnp->cn_pnbuf, ap->a_cnp->cn_pnlen, M_NAMEI);
466 struct VOPPROT(open_args) /* {
467 * struct vnode *a_vp;
469 * struct ucred *a_cred;
474 struct vnode *vp = ap->a_vp;
475 struct vcache *vc = VTOAFS(vp);
476 #if !defined(AFS_DARWIN80_ENV)
478 /*----------------------------------------------------------------
479 * osi_VM_TryReclaim() removes the ubcinfo of a vnode, but that vnode
480 * can later be passed to vn_open(), which will skip the call to
481 * ubc_hold(), and when the ubcinfo is later added, the ui_refcount
482 * will be off. So we compensate by calling ubc_hold() ourselves
483 * when ui_refcount is less than 2. If an error occurs in afs_open()
484 * we must call ubc_rele(), which is what vn_open() would do if it
485 * was able to call ubc_hold() in the first place.
486 *----------------------------------------------------------------*/
487 if (vp->v_type == VREG && !(vp->v_flag & VSYSTEM)
488 && vp->v_ubcinfo->ui_refcount < 2)
489 didhold = ubc_hold(vp);
490 #endif /* !AFS_DARWIN80_ENV */
492 error = afs_open(&vc, ap->a_mode, vop_cred);
494 if (AFSTOV(vc) != vp)
495 panic("AFS open changed vnode!");
497 osi_FlushPages(vc, vop_cred);
499 #if !defined(AFS_DARWIN80_ENV)
500 if (error && didhold)
502 #endif /* !AFS_DARWIN80_ENV */
508 struct VOPPROT(close_args) /* {
509 * struct vnode *a_vp;
511 * struct ucred *a_cred;
516 struct vnode *vp = ap->a_vp;
517 struct vcache *avc = VTOAFS(vp);
520 code = afs_close(avc, ap->a_fflag, vop_cred);
522 code = afs_close(avc, ap->a_fflag, &afs_osi_cred);
523 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
524 /* This is legit; it just forces the fstrace event to happen */
525 code = afs_CheckCode(code, NULL, 60);
531 #ifdef AFS_DARWIN80_ENV
532 extern int afs_fakestat_enable;
536 struct VOPPROT(access_args) /* {
537 * struct vnode *a_vp;
539 * vfs_context_t a_context;
543 struct vrequest treq;
544 struct afs_fakestat_state fakestate;
545 struct vcache * tvc = VTOAFS(ap->a_vp);
547 int cmb = CHECK_MODE_BITS;
549 afs_InitFakeStat(&fakestate);
550 if ((code = afs_InitReq(&treq, vop_cred)))
553 code = afs_TryEvalFakeStat(&tvc, &fakestate, &treq);
555 code = afs_CheckCode(code, &treq, 55);
559 code = afs_VerifyVCache(tvc, &treq);
561 code = afs_CheckCode(code, &treq, 56);
564 if (afs_fakestat_enable && tvc->mvstat && !(tvc->f.states & CStatd)) {
568 if (vnode_isdir(ap->a_vp)) {
569 if (ap->a_action & KAUTH_VNODE_LIST_DIRECTORY)
570 bits |= PRSFS_LOOKUP;
571 if (ap->a_action & KAUTH_VNODE_ADD_FILE)
572 bits |= PRSFS_INSERT;
573 if (ap->a_action & KAUTH_VNODE_SEARCH)
574 bits |= PRSFS_LOOKUP;
575 if (ap->a_action & KAUTH_VNODE_DELETE)
576 bits |= PRSFS_DELETE;
577 if (ap->a_action & KAUTH_VNODE_ADD_SUBDIRECTORY)
578 bits |= PRSFS_INSERT;
579 if (ap->a_action & KAUTH_VNODE_DELETE_CHILD)
580 bits |= PRSFS_DELETE;
581 #if 0 /* I'd argue this should be enforced on the parent. But that's ugly */
582 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
583 bits |= PRSFS_LOOKUP;
584 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
585 bits |= PRSFS_LOOKUP;
588 if (ap->a_action & KAUTH_VNODE_READ_DATA)
590 if (ap->a_action & KAUTH_VNODE_WRITE_DATA)
592 if (ap->a_action & KAUTH_VNODE_EXECUTE)
593 bits |= PRSFS_READ; /* and mode bits.... */
594 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
595 bits |= PRSFS_LOOKUP;
596 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
597 bits |= PRSFS_LOOKUP;
598 if ((ap->a_action & ((1 << 25) - 1)) == KAUTH_VNODE_EXECUTE)
599 /* if only exec, don't check for read mode bit */
600 /* high bits of ap->a_action are not for 'generic rights bits', and
601 so should not be checked (KAUTH_VNODE_ACCESS is often present
602 and needs to be masked off) */
603 cmb |= CMB_ALLOW_EXEC_AS_READ;
605 if (ap->a_action & KAUTH_VNODE_WRITE_ATTRIBUTES)
607 #if 0 /* no extended attributes */
608 if (ap->a_action & KAUTH_VNODE_READ_EXTATTRIBUTES)
610 if (ap->a_action & KAUTH_VNODE_WRITE_EXTATTRIBUTES)
613 if (ap->a_action & KAUTH_VNODE_WRITE_SECURITY)
615 /* we can't check for KAUTH_VNODE_TAKE_OWNERSHIP, so we always permit it */
617 code = afs_AccessOK(tvc, bits, &treq, cmb);
619 * Special cased dropbox handling:
620 * cp on 10.4 behaves badly, looping on EACCES
621 * Finder may reopen the file. Let it.
623 if (code == 0 && ((bits &~(PRSFS_READ|PRSFS_WRITE)) == 0))
624 code = afs_AccessOK(tvc, PRSFS_ADMINISTER|PRSFS_INSERT|bits, &treq, cmb);
625 /* Finder also treats dropboxes as insert+delete. fake it out. */
626 if (code == 0 && (bits == (PRSFS_INSERT|PRSFS_DELETE)))
627 code = afs_AccessOK(tvc, PRSFS_INSERT, &treq, cmb);
629 if (code == 1 && vnode_vtype(ap->a_vp) == VREG &&
630 ap->a_action & KAUTH_VNODE_EXECUTE &&
631 (tvc->f.m.Mode & 0100) != 0100) {
635 code= 0; /* if access is ok */
637 code = afs_CheckCode(EACCES, &treq, 57); /* failure code */
640 afs_PutFakeStat(&fakestate);
648 struct VOPPROT(access_args) /* {
649 * struct vnode *a_vp;
651 * struct ucred *a_cred;
657 code = afs_access(VTOAFS(ap->a_vp), ap->a_mode, vop_cred);
665 struct VOPPROT(getattr_args) /* {
666 * struct vnode *a_vp;
667 * struct vattr *a_vap;
668 * struct ucred *a_cred;
675 code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
676 /* This is legit; it just forces the fstrace event to happen */
677 code = afs_CheckCode(code, NULL, 58);
679 #ifdef AFS_DARWIN80_ENV
680 VATTR_SET_SUPPORTED(ap->a_vap, va_type);
681 VATTR_SET_SUPPORTED(ap->a_vap, va_mode);
682 VATTR_SET_SUPPORTED(ap->a_vap, va_uid);
683 VATTR_SET_SUPPORTED(ap->a_vap, va_gid);
684 VATTR_SET_SUPPORTED(ap->a_vap, va_fsid);
685 VATTR_SET_SUPPORTED(ap->a_vap, va_fileid);
686 VATTR_SET_SUPPORTED(ap->a_vap, va_nlink);
687 VATTR_SET_SUPPORTED(ap->a_vap, va_data_size);
688 VATTR_SET_SUPPORTED(ap->a_vap, va_access_time);
689 VATTR_SET_SUPPORTED(ap->a_vap, va_modify_time);
690 VATTR_SET_SUPPORTED(ap->a_vap, va_change_time);
691 VATTR_SET_SUPPORTED(ap->a_vap, va_gen);
692 VATTR_SET_SUPPORTED(ap->a_vap, va_flags);
693 VATTR_SET_SUPPORTED(ap->a_vap, va_iosize);
694 VATTR_SET_SUPPORTED(ap->a_vap, va_total_alloc);
701 struct VOPPROT(setattr_args) /* {
702 * struct vnode *a_vp;
703 * struct vattr *a_vap;
704 * struct ucred *a_cred;
710 code = afs_setattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
711 /* This is legit; it just forces the fstrace event to happen */
712 code = afs_CheckCode(code, NULL, 59);
719 struct VOPPROT(read_args) /* {
720 * struct vnode *a_vp;
723 * struct ucred *a_cred;
727 struct vnode *vp = ap->a_vp;
728 struct vcache *avc = VTOAFS(vp);
730 if (vnode_isdir(ap->a_vp))
732 #ifdef AFS_DARWIN80_ENV
733 ubc_msync_range(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio), AFS_UIO_OFFSET(ap->a_uio) + AFS_UIO_RESID(ap->a_uio), UBC_PUSHDIRTY);
735 if (UBCINFOEXISTS(ap->a_vp)) {
736 ubc_clean(ap->a_vp, 0);
740 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
741 code = afs_read(avc, ap->a_uio, vop_cred, 0, 0, 0);
748 struct VOPPROT(pagein_args) /* {
749 * struct vnode *a_vp;
751 * vm_offset_t a_pl_offset;
754 * struct ucred *a_cred;
758 register struct vnode *vp = ap->a_vp;
760 size_t size = ap->a_size;
761 off_t f_offset = ap->a_f_offset;
762 vm_offset_t pl_offset = ap->a_pl_offset;
763 int flags = ap->a_flags;
766 #ifdef AFS_DARWIN80_ENV
771 struct uio *uio = &auio;
773 int nocommit = flags & UPL_NOCOMMIT;
776 struct vcache *tvc = VTOAFS(vp);
777 #ifndef AFS_DARWIN80_ENV
778 if (UBCINVALID(vp)) {
780 panic("afs_vop_pagein: invalid vp");
781 #endif /* DIAGNOSTIC */
785 UBCINFOCHECK("afs_vop_pagein", vp);
787 if (pl == (upl_t) NULL) {
788 panic("afs_vop_pagein: no upl");
791 cred = ubc_getcred(vp);
797 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
798 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
803 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
804 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
807 if (f_offset & PAGE_MASK)
808 panic("afs_vop_pagein: offset not page aligned");
810 OSI_UPL_MAP(pl, &ioaddr);
812 #ifdef AFS_DARWIN80_ENV
813 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
814 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
816 auio.uio_iov = &aiov;
818 auio.uio_offset = f_offset;
819 auio.uio_segflg = UIO_SYSSPACE;
820 auio.uio_rw = UIO_READ;
821 auio.uio_procp = NULL;
822 auio.uio_resid = aiov.iov_len = size;
823 aiov.iov_base = (caddr_t) ioaddr;
826 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
827 code = afs_read(tvc, uio, cred, 0, 0, 0);
829 ObtainWriteLock(&tvc->lock, 2);
830 tvc->f.states |= CMAPPED;
831 ReleaseWriteLock(&tvc->lock);
835 /* Zero out rest of last page if there wasn't enough data in the file */
836 if (code == 0 && AFS_UIO_RESID(uio) > 0) {
837 #ifdef AFS_DARWIN80_ENV
838 memset(((caddr_t)ioaddr) + (size - AFS_UIO_RESID(uio)), 0,
841 memset(aiov.iov_base, 0, auio.uio_resid);
848 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
849 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
851 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
852 UPL_COMMIT_CLEAR_DIRTY |
853 UPL_COMMIT_FREE_ON_EMPTY);
855 #ifdef AFS_DARWIN80_ENV
863 struct VOPPROT(write_args) /* {
864 * struct vnode *a_vp;
867 * struct ucred *a_cred;
871 struct vcache *avc = VTOAFS(ap->a_vp);
873 #ifdef AFS_DARWIN80_ENV
874 ubc_msync_range(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio), AFS_UIO_OFFSET(ap->a_uio) + AFS_UIO_RESID(ap->a_uio), UBC_INVALIDATE);
876 if (UBCINFOEXISTS(ap->a_vp)) {
877 ubc_clean(ap->a_vp, 1);
879 if (UBCINFOEXISTS(ap->a_vp))
880 osi_VM_NukePages(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio),
881 AFS_UIO_RESID(ap->a_uio));
884 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
886 afs_write(VTOAFS(ap->a_vp), ap->a_uio, ap->a_ioflag, vop_cred, 0);
893 struct VOPPROT(pageout_args) /* {
894 * struct vnode *a_vp;
896 * vm_offset_t a_pl_offset,
899 * struct ucred *a_cred,
903 register struct vnode *vp = ap->a_vp;
905 size_t size = ap->a_size;
906 off_t f_offset = ap->a_f_offset;
907 vm_offset_t pl_offset = ap->a_pl_offset;
908 int flags = ap->a_flags;
911 #ifdef AFS_DARWIN80_ENV
916 struct uio *uio = &auio;
918 int nocommit = flags & UPL_NOCOMMIT;
922 struct vcache *tvc = VTOAFS(vp);
923 #ifndef AFS_DARWIN80_ENV
924 if (UBCINVALID(vp)) {
926 panic("afs_vop_pageout: invalid vp");
927 #endif /* DIAGNOSTIC */
931 UBCINFOCHECK("afs_vop_pageout", vp);
933 if (pl == (upl_t) NULL) {
934 panic("afs_vop_pageout: no upl");
936 #if !defined(AFS_DARWIN80_ENV) /* XXX nfs now uses it's own bufs (struct nfsbuf)
938 layer doesn't have them anymore? In any case,
939 we can't just copy code from nfs... */
943 int biosize = DEV_BSIZE;
945 lbn = f_offset / DEV_BSIZE;
947 for (iosize = size; iosize > 0; iosize -= biosize, lbn++) {
950 if (bp = incore(vp, lbn)) {
951 if (ISSET(bp->b_flags, B_BUSY))
952 panic("nfs_pageout: found BUSY buffer incore\n");
955 SET(bp->b_flags, (B_BUSY | B_INVAL));
962 cred = ubc_getcred(vp);
968 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
969 UPL_ABORT_FREE_ON_EMPTY);
972 if (flags & (IO_APPEND | IO_SYNC))
973 panic("nfs_pageout: (IO_APPEND | IO_SYNC)");
976 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
977 UPL_ABORT_FREE_ON_EMPTY);
980 if (f_offset >= tvc->f.m.Length) {
982 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
983 UPL_ABORT_FREE_ON_EMPTY);
987 if (f_offset & PAGE_MASK)
988 panic("afs_vop_pageout: offset not page aligned");
990 /* size will always be a multiple of PAGE_SIZE */
991 /* pageout isn't supposed to extend files */
992 if (f_offset + size > tvc->f.m.Length)
993 iosize = tvc->f.m.Length - f_offset;
997 if (size > (iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK && !nocommit) {
998 int iosize_rnd=(iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK;
999 OSI_UPL_ABORT_RANGE(pl, pl_offset + iosize_rnd,
1001 UPL_ABORT_FREE_ON_EMPTY);
1003 OSI_UPL_MAP(pl, &ioaddr);
1004 ioaddr += pl_offset;
1005 #ifdef AFS_DARWIN80_ENV
1006 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
1007 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
1009 auio.uio_iov = &aiov;
1010 auio.uio_iovcnt = 1;
1011 auio.uio_offset = f_offset;
1012 auio.uio_segflg = UIO_SYSSPACE;
1013 auio.uio_rw = UIO_WRITE;
1014 auio.uio_procp = NULL;
1015 auio.uio_resid = aiov.iov_len = iosize;
1016 aiov.iov_base = (caddr_t) ioaddr;
1020 * check for partial page and clear the
1021 * contents past end of the file before
1022 * releasing it in the VM page cache
1024 if ((f_offset < tvc->f.m.Length) && (f_offset + size) > tvc->f.m.Length) {
1025 size_t io = tvc->f.m.Length - f_offset;
1027 memset((caddr_t) (ioaddr + pl_offset + io), 0, size - io);
1032 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
1033 ObtainWriteLock(&tvc->lock, 1);
1035 ReleaseWriteLock(&tvc->lock);
1037 code = afs_write(tvc, uio, flags, cred, 0);
1039 ObtainWriteLock(&tvc->lock, 1);
1040 afs_FakeClose(tvc, cred);
1041 ReleaseWriteLock(&tvc->lock);
1046 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1047 UPL_ABORT_FREE_ON_EMPTY);
1049 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
1050 UPL_COMMIT_CLEAR_DIRTY |
1051 UPL_COMMIT_FREE_ON_EMPTY);
1054 #ifdef AFS_DARWIN80_ENV
1062 struct VOPPROT(ioctl_args) /* {
1063 * struct vnode *a_vp;
1067 * struct ucred *a_cred;
1071 struct vcache *tvc = VTOAFS(ap->a_vp);
1072 struct afs_ioctl data;
1075 /* in case we ever get in here... */
1077 AFS_STATCNT(afs_ioctl);
1078 if (((ap->a_command >> 8) & 0xff) == 'V') {
1079 /* This is a VICEIOCTL call */
1081 error = HandleIoctl(tvc, ap->a_command, ap->a_data);
1085 /* No-op call; just return. */
1093 struct VOPPROT(select_args) /* {
1094 * struct vnode *a_vp;
1097 * struct ucred *a_cred;
1102 * We should really check to see if I/O is possible.
1110 * NB Currently unsupported.
1115 struct VOPPROT(mmap_args) /* {
1116 * struct vnode *a_vp;
1118 * struct ucred *a_cred;
1127 struct VOPPROT(fsync_args) /* {
1128 * struct vnode *a_vp;
1129 * struct ucred *a_cred;
1134 int wait = ap->a_waitfor == MNT_WAIT;
1136 register struct vnode *vp = ap->a_vp;
1137 int haveGlock = ISAFS_GLOCK();
1139 /* afs_vop_lookup glocks, can call us through vinvalbuf from GetVCache */
1140 if (!haveGlock) AFS_GLOCK();
1142 error = afs_fsync(VTOAFS(vp), vop_cred);
1144 error = afs_fsync(VTOAFS(vp), &afs_osi_cred);
1145 if (!haveGlock) AFS_GUNLOCK();
1149 #ifndef AFS_DARWIN80_ENV
1152 struct VOPPROT(seek_args) /* {
1153 * struct vnode *a_vp;
1156 * struct ucred *a_cred;
1159 if (ap->a_newoff > ULONG_MAX) /* AFS doesn't support 64-bit offsets */
1167 struct VOPPROT(remove_args) /* {
1168 * struct vnode *a_dvp;
1169 * struct vnode *a_vp;
1170 * struct componentname *a_cnp;
1174 register struct vnode *vp = ap->a_vp;
1175 register struct vnode *dvp = ap->a_dvp;
1177 #ifdef AFS_DARWIN80_ENV
1178 if (ap->a_flags & VNODE_REMOVE_NODELETEBUSY) {
1179 /* Caller requested Carbon delete semantics */
1180 if (vnode_isinuse(vp, 0)) {
1188 error = afs_remove(VTOAFS(dvp), name, vop_cn_cred);
1189 error = afs_CheckCode(error, NULL, 61);
1193 #ifdef AFS_DARWIN80_ENV
1194 struct vcache *tvc = VTOAFS(vp);
1196 if (!(tvc->f.states & CUnlinked)) {
1197 ubc_setsize(vp, (off_t)0);
1201 /* necessary so we don't deadlock ourselves in vclean */
1202 VOP_UNLOCK(vp, 0, cnp->cn_proc);
1204 /* If crashes continue in ubc_hold, comment this out */
1205 (void)ubc_uncache(vp);
1208 /* should check for PRSFS_INSERT and not PRSFS_DELETE, but the
1209 goal here is to deal with Finder's unhappiness with resource
1210 forks that have no resources in a dropbox setting */
1211 if (name[0] == '.' && name[1] == '_' && error == EACCES)
1215 #ifndef AFS_DARWIN80_ENV
1223 #ifndef AFS_DARWIN80_ENV
1224 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1232 struct VOPPROT(link_args) /* {
1233 * struct vnode *a_vp;
1234 * struct vnode *a_tdvp;
1235 * struct componentname *a_cnp;
1239 register struct vnode *dvp = ap->a_tdvp;
1240 register struct vnode *vp = ap->a_vp;
1245 if (vnode_isdir(vp)) {
1246 VOP_ABORTOP(vp, cnp);
1250 #ifndef AFS_DARWIN80_ENV
1251 if (error = vn_lock(vp, LK_EXCLUSIVE, p)) {
1252 VOP_ABORTOP(dvp, cnp);
1257 error = afs_link(VTOAFS(vp), VTOAFS(dvp), name, vop_cn_cred);
1259 #ifndef AFS_DARWIN80_ENV
1260 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1262 #ifndef AFS_DARWIN80_ENV
1264 VOP_UNLOCK(vp, 0, p);
1267 #ifndef AFS_DARWIN80_ENV
1276 struct VOPPROT(rename_args) /* {
1277 * struct vnode *a_fdvp;
1278 * struct vnode *a_fvp;
1279 * struct componentname *a_fcnp;
1280 * struct vnode *a_tdvp;
1281 * struct vnode *a_tvp;
1282 * struct componentname *a_tcnp;
1286 struct componentname *fcnp = ap->a_fcnp;
1288 struct componentname *tcnp = ap->a_tcnp;
1290 struct vnode *tvp = ap->a_tvp;
1291 register struct vnode *tdvp = ap->a_tdvp;
1292 struct vnode *fvp = ap->a_fvp;
1293 register struct vnode *fdvp = ap->a_fdvp;
1298 #ifdef AFS_DARWIN80_ENV
1300 * generic code tests for v_mount equality, so we don't have to, but we
1301 * don't get the multiple-mount "benefits" of the old behavior
1302 * the generic code doesn't do this, so we really should, but all the
1303 * vrele's are wrong...
1306 /* Check for cross-device rename.
1307 * For AFS, this means anything not in AFS-space
1309 if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
1310 (tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
1316 * if fvp == tvp, we're just removing one name of a pair of
1317 * directory entries for the same element. convert call into rename.
1318 ( (pinched from NetBSD 1.0's ufs_rename())
1321 if (vnode_isdir(fvp)) {
1324 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */
1331 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */
1337 /* Release destination completely. */
1338 VOP_ABORTOP(tdvp, tcnp);
1341 /* Delete source. */
1344 fcnp->cn_flags &= ~MODMASK;
1345 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
1346 if ((fcnp->cn_flags & SAVESTART) == 0)
1347 panic("afs_rename: lost from startdir");
1348 fcnp->cn_nameiop = DELETE;
1351 error=relookup(fdvp, &fvp, fcnp);
1357 error=VOP_REMOVE(fdvp, fvp, fcnp);
1366 if (error = vn_lock(fvp, LK_EXCLUSIVE, p))
1370 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1371 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1372 fname[fcnp->cn_namelen] = '\0';
1373 MALLOC(tname, char *, tcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1374 memcpy(tname, tcnp->cn_nameptr, tcnp->cn_namelen);
1375 tname[tcnp->cn_namelen] = '\0';
1379 /* XXX use "from" or "to" creds? NFS uses "to" creds */
1381 afs_rename(VTOAFS(fdvp), fname, VTOAFS(tdvp), tname, cn_cred(tcnp));
1383 #if !defined(AFS_DARWIN80_ENV)
1385 VOP_UNLOCK(fvp, 0, p);
1387 goto abortit; /* XXX */
1397 if (error == EXDEV) {
1398 struct brequest *tb;
1399 struct afs_uspc_param mvReq;
1401 struct vcache *fvc = VTOAFS(fdvp);
1403 struct afs_fakestat_state fakestate;
1404 int fakestatdone = 0;
1408 /* unrewritten mount point? */
1409 if (tvc->mvstat == 1) {
1410 if (tvc->mvid && (tvc->f.states & CMValid)) {
1411 struct vrequest treq;
1413 afs_InitFakeStat(&fakestate);
1414 code = afs_InitReq(&treq, vop_cred);
1417 code = afs_EvalFakeStat(&tvc, &fakestate, &treq);
1419 afs_PutFakeStat(&fakestate);
1424 /* at some point in the future we should allow other types */
1425 mvReq.reqtype = AFS_USPC_UMV;
1426 mvReq.req.umv.id = afs_cr_uid(cn_cred(tcnp));
1427 mvReq.req.umv.idtype = IDTYPE_UID;
1428 mvReq.req.umv.sCell = fvc->f.fid.Cell;
1429 mvReq.req.umv.sVolume = fvc->f.fid.Fid.Volume;
1430 mvReq.req.umv.sVnode = fvc->f.fid.Fid.Vnode;
1431 mvReq.req.umv.sUnique = fvc->f.fid.Fid.Unique;
1432 mvReq.req.umv.dCell = tvc->f.fid.Cell;
1433 mvReq.req.umv.dVolume = tvc->f.fid.Fid.Volume;
1434 mvReq.req.umv.dVnode = tvc->f.fid.Fid.Vnode;
1435 mvReq.req.umv.dUnique = tvc->f.fid.Fid.Unique;
1438 * su %d -c mv /afs/.:mount/%d:%d:%d:%d/%s
1439 * /afs/.:mount/%d:%d:%d:%d/%s where:
1440 * mvReq.req.umv.id, fvc->f.fid.Cell, fvc->f.fid.Fid.Volume,
1441 * fvc->f.fid.Fid.Vnode, fvc->f.fid.Fid.Unique, fname,
1442 * tvc->f.fid.Cell, tvc->f.fid.Fid.Volume, tvc->f.fid.Fid.Vnode,
1443 * tvc->f.fid.Fid.Unique, tname
1446 tb = afs_BQueue(BOP_MOVE, NULL, 0, 1, cn_cred(tcnp),
1447 0L, 0L, &mvReq, fname, tname);
1448 /* wait to collect result */
1449 while ((tb->flags & BUVALID) == 0) {
1450 tb->flags |= BUWAIT;
1453 /* if we succeeded, clear the error. otherwise, EXDEV */
1454 if (mvReq.retval == 0)
1461 afs_PutFakeStat(&fakestate);
1475 cache_enter(tdvp, fvp, tcnp);
1477 FREE(fname, M_TEMP);
1478 FREE(tname, M_TEMP);
1484 struct VOPPROT(mkdir_args) /* {
1485 * struct vnode *a_dvp;
1486 * struct vnode **a_vpp;
1487 * struct componentname *a_cnp;
1488 * struct vattr *a_vap;
1491 register struct vnode *dvp = ap->a_dvp;
1492 register struct vattr *vap = ap->a_vap;
1499 #if defined(DIAGNOSTIC) && !defined(AFS_DARWIN80_ENV)
1500 if ((cnp->cn_flags & HASBUF) == 0)
1501 panic("afs_vop_mkdir: no name");
1504 error = afs_mkdir(VTOAFS(dvp), name, vap, &vcp, vop_cn_cred);
1507 #ifndef AFS_DARWIN80_ENV
1508 VOP_ABORTOP(dvp, cnp);
1515 #ifdef AFS_DARWIN80_ENV
1516 afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0, 0);
1518 *ap->a_vpp = AFSTOV(vcp);
1519 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
1520 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
1521 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
1526 #ifndef AFS_DARWIN80_ENV
1527 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1535 struct VOPPROT(rmdir_args) /* {
1536 * struct vnode *a_dvp;
1537 * struct vnode *a_vp;
1538 * struct componentname *a_cnp;
1542 register struct vnode *vp = ap->a_vp;
1543 register struct vnode *dvp = ap->a_dvp;
1547 #ifndef AFS_DARWIN80_ENV
1550 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1557 error = afs_rmdir(VTOAFS(dvp), name, vop_cn_cred);
1562 #ifndef AFS_DARWIN80_ENV
1571 struct VOPPROT(symlink_args) /* {
1572 * struct vnode *a_dvp;
1573 * struct vnode **a_vpp;
1574 * struct componentname *a_cnp;
1575 * struct vattr *a_vap;
1579 register struct vnode *dvp = ap->a_dvp;
1581 /* NFS ignores a_vpp; so do we. */
1586 afs_symlink(VTOAFS(dvp), name, ap->a_vap, ap->a_target, vop_cn_cred);
1589 #ifndef AFS_DARWIN80_ENV
1590 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1598 struct VOPPROT(readdir_args) /* {
1599 * struct vnode *a_vp;
1600 * struct uio *a_uio;
1601 * struct ucred *a_cred;
1603 * u_long *a_cookies;
1609 /* printf("readdir %x cookies %x ncookies %d\n", ap->a_vp, ap->a_cookies,
1611 #ifdef AFS_DARWIN80_ENV
1612 /* too much work for now */
1613 /* should only break nfs exports */
1614 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
1617 off = AFS_UIO_OFFSET(ap->a_uio);
1620 afs_readdir(VTOAFS(ap->a_vp), ap->a_uio, vop_cred, ap->a_eofflag);
1622 #ifndef AFS_DARWIN80_ENV
1623 if (!error && ap->a_ncookies != NULL) {
1624 struct uio *uio = ap->a_uio;
1625 const struct dirent *dp, *dp_start, *dp_end;
1627 u_long *cookies, *cookiep;
1629 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1630 panic("afs_readdir: burned cookies");
1631 dp = (const struct dirent *)
1632 ((const char *)uio->uio_iov->iov_base - (uio->uio_offset - off));
1634 dp_end = (const struct dirent *)uio->uio_iov->iov_base;
1635 for (dp_start = dp, ncookies = 0; dp < dp_end;
1636 dp = (const struct dirent *)((const char *)dp + dp->d_reclen))
1639 MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
1641 for (dp = dp_start, cookiep = cookies; dp < dp_end;
1642 dp = (const struct dirent *)((const char *)dp + dp->d_reclen)) {
1643 off += dp->d_reclen;
1646 *ap->a_cookies = cookies;
1647 *ap->a_ncookies = ncookies;
1655 afs_vop_readlink(ap)
1656 struct VOPPROT(readlink_args) /* {
1657 * struct vnode *a_vp;
1658 * struct uio *a_uio;
1659 * struct ucred *a_cred;
1663 /* printf("readlink %x\n", ap->a_vp);*/
1665 error = afs_readlink(VTOAFS(ap->a_vp), ap->a_uio, vop_cred);
1670 extern int prtactive;
1673 afs_vop_inactive(ap)
1674 struct VOPPROT(inactive_args) /* {
1675 * struct vnode *a_vp;
1679 register struct vnode *vp = ap->a_vp;
1680 struct vcache *tvc = VTOAFS(vp);
1681 #ifndef AFS_DARWIN80_ENV
1682 if (prtactive && vp->v_usecount != 0)
1683 vprint("afs_vop_inactive(): pushing active", vp);
1686 #ifdef AFS_DARWIN80_ENV
1687 int unlinked = tvc->f.states & CUnlinked;
1690 afs_InactiveVCache(tvc, 0); /* decrs ref counts */
1692 #ifdef AFS_DARWIN80_ENV
1699 #ifndef AFS_DARWIN80_ENV
1700 VOP_UNLOCK(vp, 0, ap->a_p);
1707 struct VOPPROT(reclaim_args) /* {
1708 * struct vnode *a_vp;
1712 int sl, writelocked;
1713 register struct vnode *vp = ap->a_vp;
1714 struct vcache *tvc = VTOAFS(vp);
1716 osi_Assert(!ISAFS_GLOCK());
1717 cache_purge(vp); /* just in case... */
1720 writelocked = (0 == NBObtainWriteLock(&afs_xvcache, 335));
1722 ObtainWriteLock(&afs_xvreclaim, 176);
1723 #ifdef AFS_DARWIN80_ENV
1724 vnode_clearfsnode(AFSTOV(tvc));
1725 vnode_removefsref(AFSTOV(tvc));
1727 tvc->v->v_data = NULL; /* remove from vnode */
1729 AFSTOV(tvc) = NULL; /* also drop the ptr to vnode */
1730 tvc->f.states |= CVInit; /* also CDeadVnode? */
1731 tvc->nextfree = ReclaimedVCList;
1732 ReclaimedVCList = tvc;
1733 ReleaseWriteLock(&afs_xvreclaim);
1735 error = afs_FlushVCache(tvc, &sl); /* toss our stuff from vnode */
1736 if (tvc->f.states & (CVInit
1737 #ifdef AFS_DARWIN80_ENV
1741 tvc->f.states &= ~(CVInit
1742 #ifdef AFS_DARWIN80_ENV
1746 afs_osi_Wakeup(&tvc->f.states);
1748 if (!error && vnode_fsnode(vp))
1749 panic("afs_reclaim: vnode not cleaned");
1750 if (!error && (tvc->v != NULL))
1751 panic("afs_reclaim: vcache not cleaned");
1752 ReleaseWriteLock(&afs_xvcache);
1760 * Return POSIX pathconf information applicable to ufs filesystems.
1762 afs_vop_pathconf(ap)
1763 struct VOPPROT(pathconf_args) /* {
1764 * struct vnode *a_vp;
1769 AFS_STATCNT(afs_cntl);
1770 switch (ap->a_name) {
1772 *ap->a_retval = LINK_MAX;
1775 *ap->a_retval = NAME_MAX;
1778 *ap->a_retval = PATH_MAX;
1780 case _PC_CHOWN_RESTRICTED:
1789 case _PC_NAME_CHARS_MAX:
1790 *ap->a_retval = NAME_MAX;
1792 case _PC_CASE_SENSITIVE:
1795 case _PC_CASE_PRESERVING:
1805 * Advisory record locking support (fcntl() POSIX style)
1809 struct VOPPROT(advlock_args) /* {
1810 * struct vnode *a_vp;
1813 * struct flock *a_fl;
1821 #ifdef AFS_DARWIN80_ENV
1825 struct proc *p = current_proc();
1828 cr = *p->p_cred->pc_ucred;
1832 if (ap->a_flags & F_POSIX) {
1833 #ifdef AFS_DARWIN80_ENV
1834 p = (proc_t) ap->a_id;
1837 p = (struct proc *) ap->a_id;
1841 clid = (int)ap->a_id;
1843 if (ap->a_op == F_UNLCK) {
1845 } else if (ap->a_op == F_SETLK && ap->a_flags & F_WAIT) {
1851 error = afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, op, tcr, clid);
1857 afs_vop_blktooff(ap)
1858 struct VOPPROT(blktooff_args) /* {
1859 * struct vnode *a_vp;
1864 *ap->a_offset = (off_t) (ap->a_lblkno * DEV_BSIZE);
1869 afs_vop_offtoblk(ap)
1870 struct VOPPROT(offtoblk_args) /* {
1871 * struct vnode *a_vp;
1873 * daddr_t *a_lblkno;
1876 *ap->a_lblkno = (daddr_t) (ap->a_offset / DEV_BSIZE);
1881 #ifndef AFS_DARWIN80_ENV
1884 struct VOPPROT(lock_args) /* {
1885 * struct vnode *a_vp;
1888 register struct vnode *vp = ap->a_vp;
1889 register struct vcache *avc = VTOAFS(vp);
1891 if (vp->v_tag == VT_NON)
1894 return (lockmgr(&avc->rwlock, ap->a_flags, &vp->v_interlock, ap->a_p));
1899 struct VOPPROT(unlock_args) /* {
1900 * struct vnode *a_vp;
1903 struct vnode *vp = ap->a_vp;
1904 struct vcache *avc = VTOAFS(vp);
1907 (&avc->rwlock, ap->a_flags | LK_RELEASE, &vp->v_interlock,
1913 afs_vop_truncate(ap)
1914 struct VOPPROT(truncate_args) /* {
1915 * struct vnode *a_vp;
1918 * struct ucred *a_cred;
1922 /* printf("stray afs_vop_truncate\n"); */
1928 struct VOPPROT(update_args) /* {
1929 * struct vnode *a_vp;
1930 * struct timeval *a_access;
1931 * struct timeval *a_modify;
1935 /* printf("stray afs_vop_update\n"); */
1941 struct VOPPROT(bmap_args) /* {
1942 * struct vnode *a_vp;
1944 * struct vnode **a_vpp;
1952 *ap->a_bnp = ap->a_bn * (PAGE_SIZE / DEV_BSIZE);
1955 *ap->a_vpp = ap->a_vp;
1957 if (ap->a_runp != NULL)
1960 if (ap->a_runb != NULL)
1968 afs_vop_strategy(ap)
1969 struct VOPPROT(strategy_args) /* {
1975 error = afs_ustrategy(ap->a_bp);
1982 struct VOPPROT(print_args) /* {
1983 * struct vnode *a_vp;
1986 register struct vnode *vp = ap->a_vp;
1987 register struct vcache *vc = VTOAFS(ap->a_vp);
1988 int s = vc->f.states;
1989 printf("tag %d, fid: %ld.%x.%x.%x, opens %d, writers %d", vp->v_tag,
1990 vc->f.fid.Cell, vc->f.fid.Fid.Volume, vc->f.fid.Fid.Vnode,
1991 vc->f.fid.Fid.Unique, vc->opens, vc->execsOrWriters);
1992 printf("\n states%s%s%s%s%s", (s & CStatd) ? " statd" : "",
1993 (s & CRO) ? " readonly" : "", (s & CDirty) ? " dirty" : "",
1994 (s & CMAPPED) ? " mapped" : "",
1995 (s & CVFlushed) ? " flush in progress" : "");
1996 if (UBCISVALID(vp)) {
1998 if (UBCINFOEXISTS(vp)) {
2000 printf("refs %d%s%s", vp->v_ubcinfo->ui_refcount,
2001 ubc_issetflags(vp, UI_HASOBJREF) ? " HASOBJREF" : "",
2002 ubc_issetflags(vp, UI_WASMAPPED) ? " WASMAPPED" : "");
2004 printf("does not exist");
2011 afs_vop_islocked(ap)
2012 struct VOPPROT(islocked_args) /* {
2013 * struct vnode *a_vp;
2016 struct vcache *vc = VTOAFS(ap->a_vp);
2017 return lockstatus(&vc->rwlock);
2022 struct VOPPROT(cmap_args) /* {
2023 * struct vnode *a_vp;
2031 *ap->a_bpn = (daddr_t) (ap->a_foffset / DEV_BSIZE);
2032 *ap->a_run = MAX(ap->a_size, AFS_CHUNKSIZE(ap->a_foffset));
2038 afs_darwin_getnewvnode(struct vcache *avc, int recycle)
2040 #ifdef AFS_DARWIN80_ENV
2043 struct vnode_fsparam par;
2045 memset(&par, 0, sizeof(struct vnode_fsparam));
2046 par.vnfs_vtype = VNON;
2047 par.vnfs_vops = afs_dead_vnodeop_p;
2048 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
2049 par.vnfs_mp = afs_globalVFS;
2050 par.vnfs_fsnode = avc;
2052 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &vp);
2058 vnode_recycle(vp); /* terminate as soon as iocount drops */
2059 avc->f.states |= CDeadVnode;
2063 while (getnewvnode(VT_AFS, afs_globalVFS, afs_vnodeop_p, &avc->v)) {
2064 /* no vnodes available, force an alloc (limits be damned)! */
2065 printf("failed to get vnode\n");
2067 avc->v->v_data = (void *)avc;
2071 #ifdef AFS_DARWIN80_ENV
2072 /* if this fails, then tvc has been unrefed and may have been freed.
2075 afs_darwin_finalizevnode(struct vcache *avc, struct vnode *dvp, struct componentname *cnp, int isroot, int locked)
2080 struct vnode_fsparam par;
2083 ObtainWriteLock(&avc->lock,325);
2086 if (!(avc->f.states & CDeadVnode) && vnode_vtype(ovp) != VNON) {
2088 #if 0 /* unsupported */
2090 vnode_update_identity(ovp, dvp, cnp->cn_nameptr, cnp->cn_namelen,
2092 VNODE_UPDATE_PARENT|VNODE_UPDATE_NAME);
2094 /* Can end up in reclaim... drop GLOCK */
2098 ReleaseWriteLock(&avc->lock);
2103 if ((avc->f.states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2104 panic("vcache %p should not be CDeadVnode", avc);
2106 memset(&par, 0, sizeof(struct vnode_fsparam));
2107 par.vnfs_mp = afs_globalVFS;
2108 par.vnfs_vtype = avc->f.m.Type;
2109 par.vnfs_vops = afs_vnodeop_p;
2110 par.vnfs_filesize = avc->f.m.Length;
2111 par.vnfs_fsnode = avc;
2113 if (cnp && (cnp->cn_flags & ISDOTDOT) == 0)
2115 if (!dvp || !cnp || (cnp->cn_flags & MAKEENTRY) == 0)
2116 par.vnfs_flags = VNFS_NOCACHE;
2118 par.vnfs_markroot = 1;
2119 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &nvp);
2121 vnode_addfsref(nvp);
2122 if ((avc->f.states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2123 printf("vcache %p should not be CDeadVnode", avc);
2124 if (avc->v == ovp) {
2125 if (avc->f.states & CBulkFetching) {
2128 if (!(avc->f.states & CVInit)) {
2129 vnode_clearfsnode(ovp);
2130 vnode_removefsref(ovp);
2134 avc->f.states &=~ CDeadVnode;
2140 ReleaseWriteLock(&avc->lock);
2142 afs_osi_Wakeup(&avc->f.states);