2 * Portions Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
10 #include <afs/sysincludes.h> /* Standard vendor system headers */
11 #include <afsincludes.h> /* Afs-based standard headers */
12 #include <afs/afs_stats.h> /* statistics */
13 #include <sys/malloc.h>
14 #include <sys/namei.h>
16 #if defined(AFS_DARWIN70_ENV)
17 #include <vfs/vfs_support.h>
18 #endif /* defined(AFS_DARWIN70_ENV) */
19 #ifdef AFS_DARWIN80_ENV
20 #include <sys/vnode_if.h>
21 #include <sys/kauth.h>
24 #ifdef AFS_DARWIN80_ENV
25 #define VOPPREF(x) &vnop_ ## x
26 #define VOPPROT(x) vnop_ ## x
27 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
28 ubc_upl_abort_range((pl), (offset), (size), (flags))
29 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
30 ubc_upl_commit_range((pl), (offset), (size), (flags))
31 #define OSI_UPL_MAP(upl, offset) ubc_upl_map((upl), (offset))
32 #define OSI_UPL_UNMAP(upl) ubc_upl_unmap((upl))
33 #define VOP_ABORTOP(x, y)
35 #define VOPPREF(x) &vop_ ## x
36 #define VOPPROT(x) vop_ ## x
37 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
38 kernel_upl_abort_range((pl), (offset), (size), (flags))
39 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
40 kernel_upl_commit_range((pl), (offset), (size), (flags), \
41 UPL_GET_INTERNAL_PAGE_LIST((pl)),\
43 #define OSI_UPL_MAP(upl, offset) kernel_upl_map(kernel_map, (upl), (offset))
44 #define OSI_UPL_UNMAP(upl) kernel_upl_unmap(kernel_map, (upl))
47 extern char afs_zeros[AFS_ZEROS];
49 int afs_vop_lookup(struct VOPPROT(lookup_args) *);
50 int afs_vop_create(struct VOPPROT(create_args) *);
51 int afs_vop_mknod(struct VOPPROT(mknod_args) *);
52 int afs_vop_open(struct VOPPROT(open_args) *);
53 int afs_vop_close(struct VOPPROT(close_args) *);
54 int afs_vop_access(struct VOPPROT(access_args) *);
55 int afs_vop_getattr(struct VOPPROT(getattr_args) *);
56 int afs_vop_setattr(struct VOPPROT(setattr_args) *);
57 int afs_vop_read(struct VOPPROT(read_args) *);
58 int afs_vop_write(struct VOPPROT(write_args) *);
59 int afs_vop_pagein(struct VOPPROT(pagein_args) *);
60 int afs_vop_pageout(struct VOPPROT(pageout_args) *);
61 int afs_vop_ioctl(struct VOPPROT(ioctl_args) *);
62 int afs_vop_select(struct VOPPROT(select_args) *);
63 int afs_vop_mmap(struct VOPPROT(mmap_args) *);
64 int afs_vop_fsync(struct VOPPROT(fsync_args) *);
65 int afs_vop_remove(struct VOPPROT(remove_args) *);
66 int afs_vop_link(struct VOPPROT(link_args) *);
67 int afs_vop_rename(struct VOPPROT(rename_args) *);
68 int afs_vop_mkdir(struct VOPPROT(mkdir_args) *);
69 int afs_vop_rmdir(struct VOPPROT(rmdir_args) *);
70 int afs_vop_symlink(struct VOPPROT(symlink_args) *);
71 int afs_vop_readdir(struct VOPPROT(readdir_args) *);
72 int afs_vop_readlink(struct VOPPROT(readlink_args) *);
73 #if !defined(AFS_DARWIN70_ENV)
74 extern int ufs_abortop(struct vop_abortop_args *);
75 #endif /* !defined(AFS_DARWIN70_ENV) */
76 int afs_vop_inactive(struct VOPPROT(inactive_args) *);
77 int afs_vop_reclaim(struct VOPPROT(reclaim_args) *);
78 int afs_vop_strategy(struct VOPPROT(strategy_args) *);
79 int afs_vop_pathconf(struct VOPPROT(pathconf_args) *);
80 int afs_vop_advlock(struct VOPPROT(advlock_args) *);
81 int afs_vop_blktooff __P((struct VOPPROT(blktooff_args) *));
82 int afs_vop_offtoblk __P((struct VOPPROT(offtoblk_args) *));
83 #ifndef AFS_DARWIN80_ENV
84 int afs_vop_truncate(struct VOPPROT(truncate_args) *);
85 int afs_vop_update(struct VOPPROT(update_args) *);
86 int afs_vop_lock(struct VOPPROT(lock_args) *);
87 int afs_vop_unlock(struct VOPPROT(unlock_args) *);
88 int afs_vop_bmap(struct VOPPROT(bmap_args) *);
89 int afs_vop_seek(struct VOPPROT(seek_args) *);
90 int afs_vop_cmap __P((struct VOPPROT(cmap_args) *));
91 int afs_vop_print(struct VOPPROT(print_args) *);
92 int afs_vop_islocked(struct VOPPROT(islocked_args) *);
95 #define afs_vop_opnotsupp \
96 ((int (*) __P((struct vop_reallocblks_args *)))eopnotsupp)
97 #define afs_vop_valloc afs_vop_opnotsupp
98 #define afs_vop_vfree afs_vop_opnotsupp
99 #define afs_vop_blkatoff afs_vop_opnotsupp
100 #define afs_vop_reallocblks afs_vop_opnotsupp
102 /* Global vfs data structures for AFS. */
103 int (**afs_vnodeop_p) ();
105 #define VOPFUNC int (*)(void *)
107 struct vnodeopv_entry_desc afs_vnodeop_entries[] = {
108 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
109 {VOPPREF(lookup_desc), (VOPFUNC)afs_vop_lookup}, /* lookup */
110 {VOPPREF(create_desc), (VOPFUNC)afs_vop_create}, /* create */
111 {VOPPREF(mknod_desc), (VOPFUNC)afs_vop_mknod}, /* mknod */
112 {VOPPREF(open_desc), (VOPFUNC)afs_vop_open}, /* open */
113 {VOPPREF(close_desc), (VOPFUNC)afs_vop_close}, /* close */
114 {VOPPREF(access_desc), (VOPFUNC)afs_vop_access}, /* access */
115 {VOPPREF(getattr_desc), (VOPFUNC)afs_vop_getattr}, /* getattr */
116 {VOPPREF(setattr_desc), (VOPFUNC)afs_vop_setattr}, /* setattr */
117 {VOPPREF(read_desc), (VOPFUNC)afs_vop_read}, /* read */
118 {VOPPREF(write_desc), (VOPFUNC)afs_vop_write}, /* write */
119 {VOPPREF(pagein_desc), (VOPFUNC)afs_vop_pagein}, /* read */
120 {VOPPREF(pageout_desc), (VOPFUNC)afs_vop_pageout}, /* write */
121 {VOPPREF(ioctl_desc), (VOPFUNC)afs_vop_ioctl}, /* XXX ioctl */
122 {VOPPREF(select_desc), (VOPFUNC)afs_vop_select}, /* select */
123 {VOPPREF(mmap_desc), (VOPFUNC)afs_vop_mmap}, /* mmap */
124 {VOPPREF(fsync_desc), (VOPFUNC)afs_vop_fsync}, /* fsync */
125 #ifndef AFS_DARWIN80_ENV
126 {VOPPREF(seek_desc), (VOPFUNC)afs_vop_seek}, /* seek */
128 {VOPPREF(remove_desc), (VOPFUNC)afs_vop_remove}, /* remove */
129 {VOPPREF(link_desc), (VOPFUNC)afs_vop_link}, /* link */
130 {VOPPREF(rename_desc), (VOPFUNC)afs_vop_rename}, /* rename */
131 {VOPPREF(mkdir_desc), (VOPFUNC)afs_vop_mkdir}, /* mkdir */
132 {VOPPREF(rmdir_desc), (VOPFUNC)afs_vop_rmdir}, /* rmdir */
133 {VOPPREF(symlink_desc), (VOPFUNC)afs_vop_symlink}, /* symlink */
134 {VOPPREF(readdir_desc), (VOPFUNC)afs_vop_readdir}, /* readdir */
135 {VOPPREF(readlink_desc), (VOPFUNC)afs_vop_readlink}, /* readlink */
136 #ifndef AFS_DARWIN80_ENV
137 #if defined(AFS_DARWIN70_ENV)
138 {VOPPREF(abortop_desc), (VOPFUNC)nop_abortop }, /* abortop */
139 #else /* ! defined(AFS_DARWIN70_ENV) */
140 /* Yes, we use the ufs_abortop call. It just releases the namei
142 {VOPPREF(abortop_desc), (VOPFUNC)ufs_abortop}, /* abortop */
143 #endif /* defined(AFS_DARWIN70_ENV) */
145 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
146 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
147 #ifndef AFS_DARWIN80_ENV
148 {VOPPREF(lock_desc), (VOPFUNC)afs_vop_lock}, /* lock */
149 {VOPPREF(unlock_desc), (VOPFUNC)afs_vop_unlock}, /* unlock */
150 {VOPPREF(bmap_desc), (VOPFUNC)afs_vop_bmap}, /* bmap */
152 #ifdef AFS_DARWIN80_ENV
153 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
155 {VOPPREF(strategy_desc), (VOPFUNC)afs_vop_strategy}, /* strategy */
157 #ifndef AFS_DARWIN80_ENV
158 {VOPPREF(print_desc), (VOPFUNC)afs_vop_print}, /* print */
159 {VOPPREF(islocked_desc), (VOPFUNC)afs_vop_islocked}, /* islocked */
161 {VOPPREF(pathconf_desc), (VOPFUNC)afs_vop_pathconf}, /* pathconf */
162 {VOPPREF(advlock_desc), (VOPFUNC)afs_vop_advlock}, /* advlock */
163 #ifndef AFS_DARWIN80_ENV
164 {VOPPREF(blkatoff_desc), (VOPFUNC)afs_vop_blkatoff}, /* blkatoff */
165 {VOPPREF(valloc_desc), (VOPFUNC)afs_vop_valloc}, /* valloc */
166 {VOPPREF(reallocblks_desc), (VOPFUNC)afs_vop_reallocblks}, /* reallocblks */
167 {VOPPREF(vfree_desc), (VOPFUNC)afs_vop_vfree}, /* vfree */
168 {VOPPREF(update_desc), (VOPFUNC)afs_vop_update}, /* update */
169 {VOPPREF(cmap_desc), (VOPFUNC)afs_vop_cmap}, /* cmap */
170 {VOPPREF(truncate_desc), (VOPFUNC)afs_vop_truncate}, /* truncate */
172 {VOPPREF(blktooff_desc), (VOPFUNC)afs_vop_blktooff}, /* blktooff */
173 {VOPPREF(offtoblk_desc), (VOPFUNC)afs_vop_offtoblk}, /* offtoblk */
174 {VOPPREF(bwrite_desc), (VOPFUNC)vn_bwrite},
175 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
177 struct vnodeopv_desc afs_vnodeop_opv_desc =
178 { &afs_vnodeop_p, afs_vnodeop_entries };
180 #ifdef AFS_DARWIN80_ENV
181 /* vfs structures for incompletely initialized vnodes */
182 int (**afs_dead_vnodeop_p) ();
184 struct vnodeopv_entry_desc afs_dead_vnodeop_entries[] = {
185 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
186 {VOPPREF(lookup_desc), (VOPFUNC)vn_default_error}, /* lookup */
187 {VOPPREF(create_desc), (VOPFUNC)err_create}, /* create */
188 {VOPPREF(mknod_desc), (VOPFUNC)err_mknod}, /* mknod */
189 {VOPPREF(open_desc), (VOPFUNC)err_open}, /* open */
190 {VOPPREF(close_desc), (VOPFUNC)err_close}, /* close */
191 {VOPPREF(access_desc), (VOPFUNC)err_access}, /* access */
192 {VOPPREF(getattr_desc), (VOPFUNC)err_getattr}, /* getattr */
193 {VOPPREF(setattr_desc), (VOPFUNC)err_setattr}, /* setattr */
194 {VOPPREF(read_desc), (VOPFUNC)err_read}, /* read */
195 {VOPPREF(write_desc), (VOPFUNC)err_write}, /* write */
196 {VOPPREF(pagein_desc), (VOPFUNC)err_pagein}, /* read */
197 {VOPPREF(pageout_desc), (VOPFUNC)err_pageout}, /* write */
198 {VOPPREF(ioctl_desc), (VOPFUNC)err_ioctl}, /* XXX ioctl */
199 {VOPPREF(select_desc), (VOPFUNC)nop_select}, /* select */
200 {VOPPREF(mmap_desc), (VOPFUNC)err_mmap}, /* mmap */
201 {VOPPREF(fsync_desc), (VOPFUNC)err_fsync}, /* fsync */
202 {VOPPREF(remove_desc), (VOPFUNC)err_remove}, /* remove */
203 {VOPPREF(link_desc), (VOPFUNC)err_link}, /* link */
204 {VOPPREF(rename_desc), (VOPFUNC)err_rename}, /* rename */
205 {VOPPREF(mkdir_desc), (VOPFUNC)err_mkdir}, /* mkdir */
206 {VOPPREF(rmdir_desc), (VOPFUNC)err_rmdir}, /* rmdir */
207 {VOPPREF(symlink_desc), (VOPFUNC)err_symlink}, /* symlink */
208 {VOPPREF(readdir_desc), (VOPFUNC)err_readdir}, /* readdir */
209 {VOPPREF(readlink_desc), (VOPFUNC)err_readlink}, /* readlink */
210 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
211 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
212 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
213 {VOPPREF(pathconf_desc), (VOPFUNC)err_pathconf}, /* pathconf */
214 {VOPPREF(advlock_desc), (VOPFUNC)err_advlock}, /* advlock */
215 {VOPPREF(blktooff_desc), (VOPFUNC)err_blktooff}, /* blktooff */
216 {VOPPREF(offtoblk_desc), (VOPFUNC)err_offtoblk}, /* offtoblk */
217 {VOPPREF(bwrite_desc), (VOPFUNC)err_bwrite},
218 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
220 struct vnodeopv_desc afs_dead_vnodeop_opv_desc =
221 { &afs_dead_vnodeop_p, afs_dead_vnodeop_entries };
225 struct componentname *cnp = ap->a_cnp; \
227 MALLOC(name, char *, cnp->cn_namelen+1, M_TEMP, M_WAITOK); \
228 memcpy(name, cnp->cn_nameptr, cnp->cn_namelen); \
229 name[cnp->cn_namelen] = '\0'
231 #define DROPNAME() FREE(name, M_TEMP)
234 darwin_vn_hold(struct vnode *vp)
236 int haveGlock=ISAFS_GLOCK();
237 struct vcache *tvc = VTOAFS(vp);
239 #ifndef AFS_DARWIN80_ENV
240 tvc->states |= CUBCinit;
242 #ifdef AFS_DARWIN80_ENV
243 osi_Assert((tvc->states & CVInit) == 0);
244 if (tvc->states & CDeadVnode)
245 osi_Assert(!vnode_isinuse(vp, 1));
247 if (haveGlock) AFS_GUNLOCK();
249 #ifdef AFS_DARWIN80_ENV
251 /* being terminated. kernel won't give us a ref. Now what? our
252 callers don't expect us to fail */
254 panic("vn_hold on terminating vnode");
256 if (haveGlock) AFS_GLOCK();
262 panic("vn_hold on terminating vnode");
265 if (haveGlock) AFS_GLOCK();
271 /* vget needed for 0 ref'd vnode in GetVCache to not panic in vref.
272 vref needed for multiref'd vnode in vnop_remove not to deadlock
273 ourselves during vop_inactive, except we also need to not reinst
274 the ubc... so we just call VREF there now anyway. */
276 if (VREFCOUNT_GT(tvc, 0))
277 VREF(((struct vnode *)(vp)));
279 afs_vget(afs_globalVFS, 0, (vp));
282 #ifndef AFS_DARWIN80_ENV
283 if (UBCINFOMISSING(vp) || UBCINFORECLAIMED(vp)) {
288 if (haveGlock) AFS_GLOCK();
289 #ifndef AFS_DARWIN80_ENV
290 tvc->states &= ~CUBCinit;
295 struct VOPPROT(lookup_args)/* {
296 * struct vnodeop_desc * a_desc;
297 * struct vnode *a_dvp;
298 * struct vnode **a_vpp;
299 * struct componentname *a_cnp;
304 struct vnode *vp, *dvp;
305 register int flags = ap->a_cnp->cn_flags;
306 int lockparent; /* 1 => lockparent flag is set */
307 int wantparent; /* 1 => wantparent or lockparent flag */
309 #ifdef AFS_DARWIN80_ENV
310 vcp = VTOAFS(ap->a_dvp);
311 if (vcp->mvstat != 1) {
312 error = cache_lookup(ap->a_dvp, ap->a_vpp, ap->a_cnp);
323 lockparent = flags & LOCKPARENT;
324 wantparent = flags & (LOCKPARENT | WANTPARENT);
326 if (!vnode_isdir(ap->a_dvp)) {
332 #ifndef AFS_DARWIN80_ENV
333 if (flags & ISDOTDOT)
334 VOP_UNLOCK(dvp, 0, p);
337 error = afs_lookup(VTOAFS(dvp), name, &vcp, vop_cn_cred);
340 #ifndef AFS_DARWIN80_ENV
341 if (flags & ISDOTDOT)
342 VOP_LOCK(dvp, LK_EXCLUSIVE | LK_RETRY, p);
344 if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME)
345 && (flags & ISLASTCN) && error == ENOENT)
347 #ifndef AFS_DARWIN80_ENV
348 if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))
349 cnp->cn_flags |= SAVENAME;
355 #ifdef AFS_DARWIN80_ENV
356 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0))) {
362 vp = AFSTOV(vcp); /* always get a node if no error */
363 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
364 vp->v_vfsp = dvp->v_vfsp;
366 if (UBCINFOMISSING(vp) ||
367 UBCINFORECLAIMED(vp)) {
372 #ifndef AFS_DARWIN80_ENV
373 /* The parent directory comes in locked. We unlock it on return
374 * unless the caller wants it left locked.
375 * we also always return the vnode locked. */
377 if (flags & ISDOTDOT) {
378 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
379 /* always return the child locked */
380 if (lockparent && (flags & ISLASTCN)
381 && (error = vn_lock(dvp, LK_EXCLUSIVE, p))) {
386 } else if (vp == dvp) {
387 /* they're the same; afs_lookup() already ref'ed the leaf.
388 * It came in locked, so we don't need to ref OR lock it */
390 if (!lockparent || !(flags & ISLASTCN))
391 VOP_UNLOCK(dvp, 0, p); /* done with parent. */
392 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
393 /* always return the child locked */
398 #ifndef AFS_DARWIN80_ENV
399 if ((cnp->cn_nameiop == RENAME && wantparent && (flags & ISLASTCN)
400 || (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))))
401 cnp->cn_flags |= SAVENAME;
410 struct VOPPROT(create_args) /* {
411 * struct vnode *a_dvp;
412 * struct vnode **a_vpp;
413 * struct componentname *a_cnp;
414 * struct vattr *a_vap;
419 register struct vnode *dvp = ap->a_dvp;
424 /* vnode layer handles excl/nonexcl */
427 afs_create(VTOAFS(dvp), name, ap->a_vap, NONEXCL, ap->a_vap->va_mode,
431 #ifndef AFS_DARWIN80_ENV
432 VOP_ABORTOP(dvp, cnp);
440 #ifdef AFS_DARWIN80_ENV
441 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0))) {
447 *ap->a_vpp = AFSTOV(vcp);
448 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
449 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
450 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
451 if (UBCINFOMISSING(*ap->a_vpp) || UBCINFORECLAIMED(*ap->a_vpp)) {
452 vcp->states |= CUBCinit;
453 ubc_info_init(*ap->a_vpp);
454 vcp->states &= ~CUBCinit;
460 #ifndef AFS_DARWIN80_ENV
461 if ((cnp->cn_flags & SAVESTART) == 0)
462 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
471 struct VOPPROT(mknod_args) /* {
472 * struct vnode *a_dvp;
473 * struct vnode **a_vpp;
474 * struct componentname *a_cnp;
475 * struct vattr *a_vap;
478 #ifndef AFS_DARWIN80_ENV
479 FREE_ZONE(ap->a_cnp->cn_pnbuf, ap->a_cnp->cn_pnlen, M_NAMEI);
487 struct VOPPROT(open_args) /* {
488 * struct vnode *a_vp;
490 * struct ucred *a_cred;
495 struct vnode *vp = ap->a_vp;
496 struct vcache *vc = VTOAFS(vp);
497 #if defined(AFS_DARWIN14_ENV) && !defined(AFS_DARWIN80_ENV)
499 /*----------------------------------------------------------------
500 * osi_VM_TryReclaim() removes the ubcinfo of a vnode, but that vnode
501 * can later be passed to vn_open(), which will skip the call to
502 * ubc_hold(), and when the ubcinfo is later added, the ui_refcount
503 * will be off. So we compensate by calling ubc_hold() ourselves
504 * when ui_refcount is less than 2. If an error occurs in afs_open()
505 * we must call ubc_rele(), which is what vn_open() would do if it
506 * was able to call ubc_hold() in the first place.
507 *----------------------------------------------------------------*/
508 if (vp->v_type == VREG && !(vp->v_flag & VSYSTEM)
509 && vp->v_ubcinfo->ui_refcount < 2)
510 didhold = ubc_hold(vp);
511 #endif /* AFS_DARWIN14_ENV */
513 error = afs_open(&vc, ap->a_mode, vop_cred);
515 if (AFSTOV(vc) != vp)
516 panic("AFS open changed vnode!");
518 osi_FlushPages(vc, vop_cred);
520 #if defined(AFS_DARWIN14_ENV) && !defined(AFS_DARWIN80_ENV)
521 if (error && didhold)
523 #endif /* AFS_DARWIN14_ENV */
529 struct VOPPROT(close_args) /* {
530 * struct vnode *a_vp;
532 * struct ucred *a_cred;
537 struct vnode *vp = ap->a_vp;
538 struct vcache *avc = VTOAFS(vp);
541 code = afs_close(avc, ap->a_fflag, vop_cred, vop_proc);
543 code = afs_close(avc, ap->a_fflag, &afs_osi_cred, vop_proc);
544 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
550 #ifdef AFS_DARWIN80_ENV
551 extern int afs_fakestat_enable;
555 struct VOPPROT(access_args) /* {
556 * struct vnode *a_vp;
558 * vfs_context_t a_context;
562 struct vrequest treq;
563 struct afs_fakestat_state fakestate;
564 struct vcache * tvc = VTOAFS(ap->a_vp);
566 int cmb = CHECK_MODE_BITS;
568 afs_InitFakeStat(&fakestate);
569 if ((code = afs_InitReq(&treq, vop_cred)))
572 code = afs_TryEvalFakeStat(&tvc, &fakestate, &treq);
574 code = afs_CheckCode(code, &treq, 55);
578 code = afs_VerifyVCache(tvc, &treq);
580 code = afs_CheckCode(code, &treq, 56);
583 if (afs_fakestat_enable && tvc->mvstat && !(tvc->states & CStatd)) {
587 if (vnode_isdir(ap->a_vp)) {
588 if (ap->a_action & KAUTH_VNODE_LIST_DIRECTORY)
589 bits |= PRSFS_LOOKUP;
590 if (ap->a_action & KAUTH_VNODE_ADD_FILE)
591 bits |= PRSFS_INSERT;
592 if (ap->a_action & KAUTH_VNODE_SEARCH)
593 bits |= PRSFS_LOOKUP;
594 if (ap->a_action & KAUTH_VNODE_DELETE)
595 bits |= PRSFS_DELETE;
596 if (ap->a_action & KAUTH_VNODE_ADD_SUBDIRECTORY)
597 bits |= PRSFS_INSERT;
598 if (ap->a_action & KAUTH_VNODE_DELETE_CHILD)
599 bits |= PRSFS_DELETE;
600 #if 0 /* I'd argue this should be enforced on the parent. But that's ugly */
601 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
602 bits |= PRSFS_LOOKUP;
603 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
604 bits |= PRSFS_LOOKUP;
607 if (ap->a_action & KAUTH_VNODE_READ_DATA)
609 if (ap->a_action & KAUTH_VNODE_WRITE_DATA)
611 if (ap->a_action & KAUTH_VNODE_EXECUTE)
612 bits |= PRSFS_READ; /* and mode bits.... */
613 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
614 bits |= PRSFS_LOOKUP;
615 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
616 bits |= PRSFS_LOOKUP;
617 if ((ap->a_action & ((1 << 25) - 1)) == KAUTH_VNODE_EXECUTE)
618 /* if only exec, don't check for read mode bit */
619 /* high bits of ap->a_action are not for 'generic rights bits', and
620 so should not be checked (KAUTH_VNODE_ACCESS is often present
621 and needs to be masked off) */
622 cmb |= CMB_ALLOW_EXEC_AS_READ;
624 if (ap->a_action & KAUTH_VNODE_WRITE_ATTRIBUTES)
626 #if 0 /* no extended attributes */
627 if (ap->a_action & KAUTH_VNODE_READ_EXTATTRIBUTES)
629 if (ap->a_action & KAUTH_VNODE_WRITE_EXTATTRIBUTES)
632 if (ap->a_action & KAUTH_VNODE_WRITE_SECURITY)
634 /* we can't check for KAUTH_VNODE_TAKE_OWNERSHIP, so we always permit it */
636 code = afs_AccessOK(tvc, bits, &treq, cmb);
638 if (code == 1 && vnode_vtype(ap->a_vp) == VREG &&
639 ap->a_action & KAUTH_VNODE_EXECUTE &&
640 (tvc->m.Mode & 0100) != 0100) {
644 code= 0; /* if access is ok */
646 code = afs_CheckCode(EACCES, &treq, 57); /* failure code */
649 afs_PutFakeStat(&fakestate);
657 struct VOPPROT(access_args) /* {
658 * struct vnode *a_vp;
660 * struct ucred *a_cred;
666 code = afs_access(VTOAFS(ap->a_vp), ap->a_mode, vop_cred);
674 struct VOPPROT(getattr_args) /* {
675 * struct vnode *a_vp;
676 * struct vattr *a_vap;
677 * struct ucred *a_cred;
684 code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
686 #ifdef AFS_DARWIN80_ENV
687 VATTR_SET_SUPPORTED(ap->a_vap, va_type);
688 VATTR_SET_SUPPORTED(ap->a_vap, va_mode);
689 VATTR_SET_SUPPORTED(ap->a_vap, va_uid);
690 VATTR_SET_SUPPORTED(ap->a_vap, va_gid);
691 VATTR_SET_SUPPORTED(ap->a_vap, va_fileid);
692 VATTR_SET_SUPPORTED(ap->a_vap, va_nlink);
693 VATTR_SET_SUPPORTED(ap->a_vap, va_data_size);
694 VATTR_SET_SUPPORTED(ap->a_vap, va_access_time);
695 VATTR_SET_SUPPORTED(ap->a_vap, va_modify_time);
696 VATTR_SET_SUPPORTED(ap->a_vap, va_change_time);
697 VATTR_SET_SUPPORTED(ap->a_vap, va_gen);
698 VATTR_SET_SUPPORTED(ap->a_vap, va_flags);
699 VATTR_SET_SUPPORTED(ap->a_vap, va_iosize);
700 VATTR_SET_SUPPORTED(ap->a_vap, va_total_alloc);
707 struct VOPPROT(setattr_args) /* {
708 * struct vnode *a_vp;
709 * struct vattr *a_vap;
710 * struct ucred *a_cred;
716 code = afs_setattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
723 struct VOPPROT(read_args) /* {
724 * struct vnode *a_vp;
727 * struct ucred *a_cred;
731 struct vnode *vp = ap->a_vp;
732 struct vcache *avc = VTOAFS(vp);
733 #ifdef AFS_DARWIN80_ENV
734 ubc_sync_range(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio), AFS_UIO_OFFSET(ap->a_uio) + AFS_UIO_RESID(ap->a_uio), UBC_PUSHDIRTY);
736 if (UBCINFOEXISTS(ap->a_vp)) {
737 ubc_clean(ap->a_vp, 0);
741 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
742 code = afs_read(avc, ap->a_uio, vop_cred, 0, 0, 0);
749 struct VOPPROT(pagein_args) /* {
750 * struct vnode *a_vp;
752 * vm_offset_t a_pl_offset;
755 * struct ucred *a_cred;
759 register struct vnode *vp = ap->a_vp;
761 size_t size = ap->a_size;
762 off_t f_offset = ap->a_f_offset;
763 vm_offset_t pl_offset = ap->a_pl_offset;
764 int flags = ap->a_flags;
767 #ifdef AFS_DARWIN80_ENV
772 struct uio *uio = &auio;
774 int nocommit = flags & UPL_NOCOMMIT;
777 struct vcache *tvc = VTOAFS(vp);
778 #ifndef AFS_DARWIN80_ENV
779 if (UBCINVALID(vp)) {
781 panic("afs_vop_pagein: invalid vp");
782 #endif /* DIAGNOSTIC */
786 UBCINFOCHECK("afs_vop_pagein", vp);
788 if (pl == (upl_t) NULL) {
789 panic("afs_vop_pagein: no upl");
792 cred = ubc_getcred(vp);
798 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
799 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
804 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
805 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
808 if (f_offset & PAGE_MASK)
809 panic("afs_vop_pagein: offset not page aligned");
811 OSI_UPL_MAP(pl, &ioaddr);
813 #ifdef AFS_DARWIN80_ENV
814 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
815 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
817 auio.uio_iov = &aiov;
819 auio.uio_offset = f_offset;
820 auio.uio_segflg = UIO_SYSSPACE;
821 auio.uio_rw = UIO_READ;
822 auio.uio_procp = NULL;
823 auio.uio_resid = aiov.iov_len = size;
824 aiov.iov_base = (caddr_t) ioaddr;
827 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
828 code = afs_read(tvc, uio, cred, 0, 0, 0);
830 ObtainWriteLock(&tvc->lock, 2);
831 tvc->states |= CMAPPED;
832 ReleaseWriteLock(&tvc->lock);
836 /* Zero out rest of last page if there wasn't enough data in the file */
837 if (code == 0 && AFS_UIO_RESID(uio) > 0) {
838 #ifdef AFS_DARWIN80_ENV
839 memset(((caddr_t)ioaddr) + (size - AFS_UIO_RESID(uio)), 0,
842 memset(aiov.iov_base, 0, auio.uio_resid);
849 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
850 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
852 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
853 UPL_COMMIT_CLEAR_DIRTY |
854 UPL_COMMIT_FREE_ON_EMPTY);
856 #ifdef AFS_DARWIN80_ENV
864 struct VOPPROT(write_args) /* {
865 * struct vnode *a_vp;
868 * struct ucred *a_cred;
872 struct vcache *avc = VTOAFS(ap->a_vp);
874 #ifdef AFS_DARWIN80_ENV
875 ubc_sync_range(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio), AFS_UIO_OFFSET(ap->a_uio) + AFS_UIO_RESID(ap->a_uio), UBC_INVALIDATE);
877 if (UBCINFOEXISTS(ap->a_vp)) {
878 ubc_clean(ap->a_vp, 1);
880 if (UBCINFOEXISTS(ap->a_vp))
881 osi_VM_NukePages(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio),
882 AFS_UIO_RESID(ap->a_uio));
885 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
887 afs_write(VTOAFS(ap->a_vp), ap->a_uio, ap->a_ioflag, vop_cred, 0);
894 struct VOPPROT(pageout_args) /* {
895 * struct vnode *a_vp;
897 * vm_offset_t a_pl_offset,
900 * struct ucred *a_cred,
904 register struct vnode *vp = ap->a_vp;
906 size_t size = ap->a_size;
907 off_t f_offset = ap->a_f_offset;
908 vm_offset_t pl_offset = ap->a_pl_offset;
909 int flags = ap->a_flags;
912 #ifdef AFS_DARWIN80_ENV
917 struct uio *uio = &auio;
919 int nocommit = flags & UPL_NOCOMMIT;
923 struct vcache *tvc = VTOAFS(vp);
924 #ifndef AFS_DARWIN80_ENV
925 if (UBCINVALID(vp)) {
927 panic("afs_vop_pageout: invalid vp");
928 #endif /* DIAGNOSTIC */
932 UBCINFOCHECK("afs_vop_pageout", vp);
934 if (pl == (upl_t) NULL) {
935 panic("afs_vop_pageout: no upl");
937 #if !defined(AFS_DARWIN80_ENV) /* XXX nfs now uses it's own bufs (struct nfsbuf)
939 layer doesn't have them anymore? In any case,
940 we can't just copy code from nfs... */
944 int biosize = DEV_BSIZE;
946 lbn = f_offset / DEV_BSIZE;
948 for (iosize = size; iosize > 0; iosize -= biosize, lbn++) {
951 if (bp = incore(vp, lbn)) {
952 if (ISSET(bp->b_flags, B_BUSY))
953 panic("nfs_pageout: found BUSY buffer incore\n");
956 SET(bp->b_flags, (B_BUSY | B_INVAL));
963 cred = ubc_getcred(vp);
969 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
970 UPL_ABORT_FREE_ON_EMPTY);
973 if (flags & (IO_APPEND | IO_SYNC))
974 panic("nfs_pageout: (IO_APPEND | IO_SYNC)");
977 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
978 UPL_ABORT_FREE_ON_EMPTY);
981 if (f_offset >= tvc->m.Length) {
983 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
984 UPL_ABORT_FREE_ON_EMPTY);
988 if (f_offset & PAGE_MASK)
989 panic("afs_vop_pageout: offset not page aligned");
991 /* size will always be a multiple of PAGE_SIZE */
992 /* pageout isn't supposed to extend files */
993 if (f_offset + size > tvc->m.Length)
994 iosize = tvc->m.Length - f_offset;
998 if (size > (iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK && !nocommit) {
999 int iosize_rnd=(iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK;
1000 OSI_UPL_ABORT_RANGE(pl, pl_offset + iosize_rnd,
1002 UPL_ABORT_FREE_ON_EMPTY);
1004 OSI_UPL_MAP(pl, &ioaddr);
1005 ioaddr += pl_offset;
1006 #ifdef AFS_DARWIN80_ENV
1007 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
1008 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
1010 auio.uio_iov = &aiov;
1011 auio.uio_iovcnt = 1;
1012 auio.uio_offset = f_offset;
1013 auio.uio_segflg = UIO_SYSSPACE;
1014 auio.uio_rw = UIO_WRITE;
1015 auio.uio_procp = NULL;
1016 auio.uio_resid = aiov.iov_len = iosize;
1017 aiov.iov_base = (caddr_t) ioaddr;
1022 * check for partial page and clear the
1023 * contents past end of the file before
1024 * releasing it in the VM page cache
1026 if ((f_offset < tvc->m.Length) && (f_offset + size) > tvc->m.Length) {
1027 size_t io = tvc->m.Length - f_offset;
1029 memset((caddr_t) (ioaddr + pl_offset + io), 0, size - io);
1035 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
1036 ObtainWriteLock(&tvc->lock, 1);
1038 ReleaseWriteLock(&tvc->lock);
1040 code = afs_write(tvc, uio, flags, cred, 0);
1042 ObtainWriteLock(&tvc->lock, 1);
1043 afs_FakeClose(tvc, cred);
1044 ReleaseWriteLock(&tvc->lock);
1049 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1050 UPL_ABORT_FREE_ON_EMPTY);
1052 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
1053 UPL_COMMIT_CLEAR_DIRTY |
1054 UPL_COMMIT_FREE_ON_EMPTY);
1057 #ifdef AFS_DARWIN80_ENV
1065 struct VOPPROT(ioctl_args) /* {
1066 * struct vnode *a_vp;
1070 * struct ucred *a_cred;
1074 struct vcache *tvc = VTOAFS(ap->a_vp);
1075 struct afs_ioctl data;
1078 /* in case we ever get in here... */
1080 AFS_STATCNT(afs_ioctl);
1081 if (((ap->a_command >> 8) & 0xff) == 'V') {
1082 /* This is a VICEIOCTL call */
1084 error = HandleIoctl(tvc, (struct file *)0 /*Not used */ ,
1085 ap->a_command, ap->a_data);
1089 /* No-op call; just return. */
1097 struct VOPPROT(select_args) /* {
1098 * struct vnode *a_vp;
1101 * struct ucred *a_cred;
1106 * We should really check to see if I/O is possible.
1114 * NB Currently unsupported.
1119 struct VOPPROT(mmap_args) /* {
1120 * struct vnode *a_vp;
1122 * struct ucred *a_cred;
1131 struct VOPPROT(fsync_args) /* {
1132 * struct vnode *a_vp;
1133 * struct ucred *a_cred;
1138 int wait = ap->a_waitfor == MNT_WAIT;
1140 register struct vnode *vp = ap->a_vp;
1141 int haveGlock = ISAFS_GLOCK();
1143 /* afs_vop_lookup glocks, can call us through vinvalbuf from GetVCache */
1144 if (!haveGlock) AFS_GLOCK();
1146 error = afs_fsync(VTOAFS(vp), vop_cred);
1148 error = afs_fsync(VTOAFS(vp), &afs_osi_cred);
1149 if (!haveGlock) AFS_GUNLOCK();
1153 #ifndef AFS_DARWIN80_ENV
1156 struct VOPPROT(seek_args) /* {
1157 * struct vnode *a_vp;
1160 * struct ucred *a_cred;
1163 if (ap->a_newoff > ULONG_MAX) /* AFS doesn't support 64-bit offsets */
1171 struct VOPPROT(remove_args) /* {
1172 * struct vnode *a_dvp;
1173 * struct vnode *a_vp;
1174 * struct componentname *a_cnp;
1178 register struct vnode *vp = ap->a_vp;
1179 register struct vnode *dvp = ap->a_dvp;
1181 #ifdef AFS_DARWIN80_ENV
1182 if (ap->a_flags & VNODE_REMOVE_NODELETEBUSY) {
1183 /* Caller requested Carbon delete semantics */
1184 if (vnode_isinuse(vp, 0)) {
1192 error = afs_remove(VTOAFS(dvp), name, vop_cn_cred);
1196 #ifdef AFS_DARWIN80_ENV
1197 struct vcache *tvc = VTOAFS(vp);
1199 if (!(tvc->states & CUnlinked)) {
1200 ubc_setsize(vp, (off_t)0);
1204 /* necessary so we don't deadlock ourselves in vclean */
1205 VOP_UNLOCK(vp, 0, cnp->cn_proc);
1207 /* If crashes continue in ubc_hold, comment this out */
1208 (void)ubc_uncache(vp);
1212 #ifndef AFS_DARWIN80_ENV
1220 #ifndef AFS_DARWIN80_ENV
1221 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1229 struct VOPPROT(link_args) /* {
1230 * struct vnode *a_vp;
1231 * struct vnode *a_tdvp;
1232 * struct componentname *a_cnp;
1236 register struct vnode *dvp = ap->a_tdvp;
1237 register struct vnode *vp = ap->a_vp;
1242 if (vnode_isdir(vp)) {
1243 VOP_ABORTOP(vp, cnp);
1247 #ifndef AFS_DARWIN80_ENV
1248 if (error = vn_lock(vp, LK_EXCLUSIVE, p)) {
1249 VOP_ABORTOP(dvp, cnp);
1254 error = afs_link(VTOAFS(vp), VTOAFS(dvp), name, vop_cn_cred);
1256 #ifndef AFS_DARWIN80_ENV
1257 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1259 #ifndef AFS_DARWIN80_ENV
1261 VOP_UNLOCK(vp, 0, p);
1264 #ifndef AFS_DARWIN80_ENV
1273 struct VOPPROT(rename_args) /* {
1274 * struct vnode *a_fdvp;
1275 * struct vnode *a_fvp;
1276 * struct componentname *a_fcnp;
1277 * struct vnode *a_tdvp;
1278 * struct vnode *a_tvp;
1279 * struct componentname *a_tcnp;
1283 struct componentname *fcnp = ap->a_fcnp;
1285 struct componentname *tcnp = ap->a_tcnp;
1287 struct vnode *tvp = ap->a_tvp;
1288 register struct vnode *tdvp = ap->a_tdvp;
1289 struct vnode *fvp = ap->a_fvp;
1290 register struct vnode *fdvp = ap->a_fdvp;
1295 #ifdef AFS_DARWIN80_ENV
1296 /* generic code tests for v_mount equality, so we don't have to, but we don't
1297 get the multiple-mount "benefits" of the old behavior
1300 /* Check for cross-device rename.
1301 * For AFS, this means anything not in AFS-space
1303 if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
1304 (tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
1310 #ifdef AFS_DARWIN80_ENV
1311 /* the generic code doesn't do this, so we really should, but all the
1312 vrele's are wrong... */
1315 * if fvp == tvp, we're just removing one name of a pair of
1316 * directory entries for the same element. convert call into rename.
1317 ( (pinched from NetBSD 1.0's ufs_rename())
1320 if (vnode_isdir(fvp)) {
1323 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */
1330 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */
1336 /* Release destination completely. */
1337 VOP_ABORTOP(tdvp, tcnp);
1340 /* Delete source. */
1341 #if defined(AFS_DARWIN80_ENV)
1343 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1344 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1345 fname[fcnp->cn_namelen] = '\0';
1347 error = afs_remove(VTOAFS(fdvp), fname, vop_cn_cred);
1349 FREE(fname, M_TEMP);
1354 fcnp->cn_flags &= ~MODMASK;
1355 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
1356 if ((fcnp->cn_flags & SAVESTART) == 0)
1357 panic("afs_rename: lost from startdir");
1358 fcnp->cn_nameiop = DELETE;
1361 error=relookup(fdvp, &fvp, fcnp);
1367 error=VOP_REMOVE(fdvp, fvp, fcnp);
1378 #if !defined(AFS_DARWIN80_ENV)
1379 if (error = vn_lock(fvp, LK_EXCLUSIVE, p))
1383 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1384 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1385 fname[fcnp->cn_namelen] = '\0';
1386 MALLOC(tname, char *, tcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1387 memcpy(tname, tcnp->cn_nameptr, tcnp->cn_namelen);
1388 tname[tcnp->cn_namelen] = '\0';
1392 /* XXX use "from" or "to" creds? NFS uses "to" creds */
1394 afs_rename(VTOAFS(fdvp), fname, VTOAFS(tdvp), tname, cn_cred(tcnp));
1397 #if !defined(AFS_DARWIN80_ENV)
1398 VOP_UNLOCK(fvp, 0, p);
1400 FREE(fname, M_TEMP);
1401 FREE(tname, M_TEMP);
1402 #ifdef AFS_DARWIN80_ENV
1413 cache_enter(tdvp, fvp, tcnp);
1416 goto abortit; /* XXX */
1431 struct VOPPROT(mkdir_args) /* {
1432 * struct vnode *a_dvp;
1433 * struct vnode **a_vpp;
1434 * struct componentname *a_cnp;
1435 * struct vattr *a_vap;
1438 register struct vnode *dvp = ap->a_dvp;
1439 register struct vattr *vap = ap->a_vap;
1446 #if defined(DIAGNOSTIC) && !defined(AFS_DARWIN80_ENV)
1447 if ((cnp->cn_flags & HASBUF) == 0)
1448 panic("afs_vop_mkdir: no name");
1451 error = afs_mkdir(VTOAFS(dvp), name, vap, &vcp, vop_cn_cred);
1454 #ifndef AFS_DARWIN80_ENV
1455 VOP_ABORTOP(dvp, cnp);
1462 #ifdef AFS_DARWIN80_ENV
1463 afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0);
1465 *ap->a_vpp = AFSTOV(vcp);
1466 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
1467 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
1468 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
1473 #ifndef AFS_DARWIN80_ENV
1474 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1482 struct VOPPROT(rmdir_args) /* {
1483 * struct vnode *a_dvp;
1484 * struct vnode *a_vp;
1485 * struct componentname *a_cnp;
1489 register struct vnode *vp = ap->a_vp;
1490 register struct vnode *dvp = ap->a_dvp;
1494 #ifndef AFS_DARWIN80_ENV
1497 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1504 error = afs_rmdir(VTOAFS(dvp), name, vop_cn_cred);
1509 #ifndef AFS_DARWIN80_ENV
1518 struct VOPPROT(symlink_args) /* {
1519 * struct vnode *a_dvp;
1520 * struct vnode **a_vpp;
1521 * struct componentname *a_cnp;
1522 * struct vattr *a_vap;
1526 register struct vnode *dvp = ap->a_dvp;
1528 /* NFS ignores a_vpp; so do we. */
1533 afs_symlink(VTOAFS(dvp), name, ap->a_vap, ap->a_target, vop_cn_cred);
1536 #ifndef AFS_DARWIN80_ENV
1537 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1545 struct VOPPROT(readdir_args) /* {
1546 * struct vnode *a_vp;
1547 * struct uio *a_uio;
1548 * struct ucred *a_cred;
1550 * u_long *a_cookies;
1556 /* printf("readdir %x cookies %x ncookies %d\n", ap->a_vp, ap->a_cookies,
1558 #ifdef AFS_DARWIN80_ENV
1559 /* too much work for now */
1560 /* should only break nfs exports */
1561 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
1564 off = AFS_UIO_OFFSET(ap->a_uio);
1567 afs_readdir(VTOAFS(ap->a_vp), ap->a_uio, vop_cred, ap->a_eofflag);
1569 #ifndef AFS_DARWIN80_ENV
1570 if (!error && ap->a_ncookies != NULL) {
1571 struct uio *uio = ap->a_uio;
1572 const struct dirent *dp, *dp_start, *dp_end;
1574 u_long *cookies, *cookiep;
1576 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1577 panic("afs_readdir: burned cookies");
1578 dp = (const struct dirent *)
1579 ((const char *)uio->uio_iov->iov_base - (uio->uio_offset - off));
1581 dp_end = (const struct dirent *)uio->uio_iov->iov_base;
1582 for (dp_start = dp, ncookies = 0; dp < dp_end;
1583 dp = (const struct dirent *)((const char *)dp + dp->d_reclen))
1586 MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
1588 for (dp = dp_start, cookiep = cookies; dp < dp_end;
1589 dp = (const struct dirent *)((const char *)dp + dp->d_reclen)) {
1590 off += dp->d_reclen;
1593 *ap->a_cookies = cookies;
1594 *ap->a_ncookies = ncookies;
1602 afs_vop_readlink(ap)
1603 struct VOPPROT(readlink_args) /* {
1604 * struct vnode *a_vp;
1605 * struct uio *a_uio;
1606 * struct ucred *a_cred;
1610 /* printf("readlink %x\n", ap->a_vp);*/
1612 error = afs_readlink(VTOAFS(ap->a_vp), ap->a_uio, vop_cred);
1617 extern int prtactive;
1620 afs_vop_inactive(ap)
1621 struct VOPPROT(inactive_args) /* {
1622 * struct vnode *a_vp;
1626 register struct vnode *vp = ap->a_vp;
1627 struct vcache *tvc = VTOAFS(vp);
1628 #ifndef AFS_DARWIN80_ENV
1629 if (prtactive && vp->v_usecount != 0)
1630 vprint("afs_vop_inactive(): pushing active", vp);
1633 #ifdef AFS_DARWIN80_ENV
1634 int unlinked = tvc->states & CUnlinked;
1637 afs_InactiveVCache(tvc, 0); /* decrs ref counts */
1639 #ifdef AFS_DARWIN80_ENV
1646 #ifndef AFS_DARWIN80_ENV
1647 VOP_UNLOCK(vp, 0, ap->a_p);
1654 struct VOPPROT(reclaim_args) /* {
1655 * struct vnode *a_vp;
1659 int sl, writelocked;
1660 register struct vnode *vp = ap->a_vp;
1661 struct vcache *tvc = VTOAFS(vp);
1663 osi_Assert(!ISAFS_GLOCK());
1664 cache_purge(vp); /* just in case... */
1667 writelocked = (0 == NBObtainWriteLock(&afs_xvcache, 335));
1669 ObtainWriteLock(&afs_xvreclaim, 176);
1670 #ifdef AFS_DARWIN80_ENV
1671 vnode_clearfsnode(AFSTOV(tvc));
1672 vnode_removefsref(AFSTOV(tvc));
1674 tvc->v->v_data = NULL; /* remove from vnode */
1676 AFSTOV(tvc) = NULL; /* also drop the ptr to vnode */
1677 tvc->states |= CVInit; /* also CDeadVnode? */
1678 tvc->nextfree = ReclaimedVCList;
1679 ReclaimedVCList = tvc;
1680 ReleaseWriteLock(&afs_xvreclaim);
1682 error = afs_FlushVCache(tvc, &sl); /* toss our stuff from vnode */
1683 if (tvc->states & (CVInit
1684 #ifdef AFS_DARWIN80_ENV
1688 tvc->states &= ~(CVInit
1689 #ifdef AFS_DARWIN80_ENV
1693 afs_osi_Wakeup(&tvc->states);
1695 if (!error && vnode_fsnode(vp))
1696 panic("afs_reclaim: vnode not cleaned");
1697 if (!error && (tvc->v != NULL))
1698 panic("afs_reclaim: vcache not cleaned");
1699 ReleaseWriteLock(&afs_xvcache);
1707 * Return POSIX pathconf information applicable to ufs filesystems.
1709 afs_vop_pathconf(ap)
1710 struct VOPPROT(pathconf_args) /* {
1711 * struct vnode *a_vp;
1716 AFS_STATCNT(afs_cntl);
1717 switch (ap->a_name) {
1719 *ap->a_retval = LINK_MAX;
1722 *ap->a_retval = NAME_MAX;
1725 *ap->a_retval = PATH_MAX;
1727 case _PC_CHOWN_RESTRICTED:
1736 #if defined(AFS_DARWIN70_ENV)
1737 case _PC_NAME_CHARS_MAX:
1738 *ap->a_retval = NAME_MAX;
1740 case _PC_CASE_SENSITIVE:
1743 case _PC_CASE_PRESERVING:
1746 #endif /* defined(AFS_DARWIN70_ENV) */
1754 * Advisory record locking support (fcntl() POSIX style)
1758 struct VOPPROT(advlock_args) /* {
1759 * struct vnode *a_vp;
1762 * struct flock *a_fl;
1770 #ifdef AFS_DARWIN80_ENV
1774 struct proc *p = current_proc();
1777 cr = *p->p_cred->pc_ucred;
1781 if (ap->a_flags & F_POSIX) {
1782 #ifdef AFS_DARWIN80_ENV
1783 p = (proc_t) ap->a_id;
1786 p = (struct proc *) ap->a_id;
1790 clid = (int)ap->a_id;
1792 if (ap->a_op == F_UNLCK) {
1794 } else if (ap->a_op == F_SETLK && ap->a_flags & F_WAIT) {
1800 error = afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, op, tcr, clid);
1806 afs_vop_blktooff(ap)
1807 struct VOPPROT(blktooff_args) /* {
1808 * struct vnode *a_vp;
1813 *ap->a_offset = (off_t) (ap->a_lblkno * DEV_BSIZE);
1818 afs_vop_offtoblk(ap)
1819 struct VOPPROT(offtoblk_args) /* {
1820 * struct vnode *a_vp;
1822 * daddr_t *a_lblkno;
1825 *ap->a_lblkno = (daddr_t) (ap->a_offset / DEV_BSIZE);
1830 #ifndef AFS_DARWIN80_ENV
1833 struct VOPPROT(lock_args) /* {
1834 * struct vnode *a_vp;
1837 register struct vnode *vp = ap->a_vp;
1838 register struct vcache *avc = VTOAFS(vp);
1840 if (vp->v_tag == VT_NON)
1843 return (lockmgr(&avc->rwlock, ap->a_flags, &vp->v_interlock, ap->a_p));
1848 struct VOPPROT(unlock_args) /* {
1849 * struct vnode *a_vp;
1852 struct vnode *vp = ap->a_vp;
1853 struct vcache *avc = VTOAFS(vp);
1856 (&avc->rwlock, ap->a_flags | LK_RELEASE, &vp->v_interlock,
1862 afs_vop_truncate(ap)
1863 struct VOPPROT(truncate_args) /* {
1864 * struct vnode *a_vp;
1867 * struct ucred *a_cred;
1871 printf("stray afs_vop_truncate\n");
1877 struct VOPPROT(update_args) /* {
1878 * struct vnode *a_vp;
1879 * struct timeval *a_access;
1880 * struct timeval *a_modify;
1884 printf("stray afs_vop_update\n");
1890 struct VOPPROT(bmap_args) /* {
1891 * struct vnode *a_vp;
1893 * struct vnode **a_vpp;
1901 *ap->a_bnp = ap->a_bn * (PAGE_SIZE / DEV_BSIZE);
1904 *ap->a_vpp = ap->a_vp;
1906 if (ap->a_runp != NULL)
1909 if (ap->a_runb != NULL)
1917 afs_vop_strategy(ap)
1918 struct VOPPROT(strategy_args) /* {
1924 error = afs_ustrategy(ap->a_bp);
1931 struct VOPPROT(print_args) /* {
1932 * struct vnode *a_vp;
1935 register struct vnode *vp = ap->a_vp;
1936 register struct vcache *vc = VTOAFS(ap->a_vp);
1938 printf("tag %d, fid: %ld.%x.%x.%x, opens %d, writers %d", vp->v_tag,
1939 vc->fid.Cell, vc->fid.Fid.Volume, vc->fid.Fid.Vnode,
1940 vc->fid.Fid.Unique, vc->opens, vc->execsOrWriters);
1941 printf("\n states%s%s%s%s%s", (s & CStatd) ? " statd" : "",
1942 (s & CRO) ? " readonly" : "", (s & CDirty) ? " dirty" : "",
1943 (s & CMAPPED) ? " mapped" : "",
1944 (s & CVFlushed) ? " flush in progress" : "");
1945 if (UBCISVALID(vp)) {
1947 if (UBCINFOEXISTS(vp)) {
1949 #ifdef AFS_DARWIN14_ENV
1950 printf("refs %d%s%s", vp->v_ubcinfo->ui_refcount,
1951 ubc_issetflags(vp, UI_HASOBJREF) ? " HASOBJREF" : "",
1952 ubc_issetflags(vp, UI_WASMAPPED) ? " WASMAPPED" : "");
1954 printf("holdcnt %d", vp->v_ubcinfo->ui_holdcnt);
1957 printf("does not exist");
1964 afs_vop_islocked(ap)
1965 struct VOPPROT(islocked_args) /* {
1966 * struct vnode *a_vp;
1969 struct vcache *vc = VTOAFS(ap->a_vp);
1970 return lockstatus(&vc->rwlock);
1975 struct VOPPROT(cmap_args) /* {
1976 * struct vnode *a_vp;
1984 *ap->a_bpn = (daddr_t) (ap->a_foffset / DEV_BSIZE);
1985 *ap->a_run = MAX(ap->a_size, AFS_CHUNKSIZE(ap->a_foffset));
1991 afs_darwin_getnewvnode(struct vcache *avc)
1993 #ifdef AFS_DARWIN80_ENV
1996 struct vnode_fsparam par;
1998 memset(&par, 0, sizeof(struct vnode_fsparam));
2001 ObtainWriteLock(&avc->lock,342);
2002 if (avc->states & CStatd) {
2003 par.vnfs_vtype = avc->m.Type;
2004 par.vnfs_vops = afs_vnodeop_p;
2005 par.vnfs_filesize = avc->m.Length;
2007 par.vnfs_flags = VNFS_NOCACHE;
2010 par.vnfs_vtype = VNON;
2011 par.vnfs_vops = afs_dead_vnodeop_p;
2012 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
2015 ReleaseWriteLock(&avc->lock);
2017 par.vnfs_dvp = ac->dvp;
2018 par.vnfs_cnp = ac->cnp;
2019 par.vnfs_markroot = ac->markroot;
2021 par.vnfs_vtype = VNON;
2022 par.vnfs_vops = afs_dead_vnodeop_p;
2023 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
2025 par.vnfs_mp = afs_globalVFS;
2026 par.vnfs_fsnode = avc;
2028 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &vp);
2035 vnode_recycle(vp); /* terminate as soon as iocount drops */
2036 avc->states |= CDeadVnode;
2037 } else if (!ac->markroot && !ac->cnp) {
2038 /* the caller doesn't know anything about this vnode. if markroot
2039 should have been set and wasn't, bad things may happen, so encourage
2044 vnode_recycle(vp); /* terminate as soon as iocount drops */
2045 avc->states |= CDeadVnode;
2050 while (getnewvnode(VT_AFS, afs_globalVFS, afs_vnodeop_p, &avc->v)) {
2051 /* no vnodes available, force an alloc (limits be damned)! */
2052 printf("failed to get vnode\n");
2054 avc->v->v_data = (void *)avc;
2058 #ifdef AFS_DARWIN80_ENV
2059 /* if this fails, then tvc has been unrefed and may have been freed.
2062 afs_darwin_finalizevnode(struct vcache *avc, struct vnode *dvp, struct componentname *cnp, int isroot) {
2063 vnode_t ovp = AFSTOV(avc);
2066 struct vnode_fsparam par;
2068 ObtainWriteLock(&avc->lock,325);
2069 if (!(avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON) {
2070 ReleaseWriteLock(&avc->lock);
2072 #if 0 /* unsupported */
2074 vnode_update_identity(ovp, dvp, cnp->cn_nameptr, cnp->cn_namelen,
2076 VNODE_UPDATE_PARENT|VNODE_UPDATE_NAME);
2081 if ((avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2082 panic("vcache %p should not be CDeadVnode", avc);
2084 memset(&par, 0, sizeof(struct vnode_fsparam));
2085 par.vnfs_mp = afs_globalVFS;
2086 par.vnfs_vtype = avc->m.Type;
2087 par.vnfs_vops = afs_vnodeop_p;
2088 par.vnfs_filesize = avc->m.Length;
2089 par.vnfs_fsnode = avc;
2091 if (cnp && (cnp->cn_flags & ISDOTDOT) == 0)
2093 if (!dvp || !cnp || (cnp->cn_flags & MAKEENTRY) == 0)
2094 par.vnfs_flags = VNFS_NOCACHE;
2096 par.vnfs_markroot = 1;
2097 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &nvp);
2099 vnode_addfsref(nvp);
2101 avc->states &=~ CDeadVnode;
2102 vnode_clearfsnode(ovp);
2103 vnode_removefsref(ovp);
2106 ReleaseWriteLock(&avc->lock);
2108 afs_osi_Wakeup(&avc->states);