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 if (tvc->states & CDeadVnode)
244 osi_Assert(!vnode_isinuse(vp, 1));
245 osi_Assert((tvc->states & CVInit) == 0);
247 if (haveGlock) AFS_GUNLOCK();
249 #ifdef AFS_DARWIN80_ENV
254 /* vget needed for 0 ref'd vnode in GetVCache to not panic in vref.
255 vref needed for multiref'd vnode in vnop_remove not to deadlock
256 ourselves during vop_inactive, except we also need to not reinst
257 the ubc... so we just call VREF there now anyway. */
259 if (VREFCOUNT_GT(tvc, 0))
260 VREF(((struct vnode *)(vp)));
262 afs_vget(afs_globalVFS, 0, (vp));
265 #ifndef AFS_DARWIN80_ENV
266 if (UBCINFOMISSING(vp) || UBCINFORECLAIMED(vp)) {
271 if (haveGlock) AFS_GLOCK();
272 #ifndef AFS_DARWIN80_ENV
273 tvc->states &= ~CUBCinit;
278 struct VOPPROT(lookup_args)/* {
279 * struct vnodeop_desc * a_desc;
280 * struct vnode *a_dvp;
281 * struct vnode **a_vpp;
282 * struct componentname *a_cnp;
287 struct vnode *vp, *dvp;
288 register int flags = ap->a_cnp->cn_flags;
289 int lockparent; /* 1 => lockparent flag is set */
290 int wantparent; /* 1 => wantparent or lockparent flag */
292 #ifdef AFS_DARWIN80_ENV
293 error = cache_lookup(ap->a_dvp, ap->a_vpp, ap->a_cnp);
303 lockparent = flags & LOCKPARENT;
304 wantparent = flags & (LOCKPARENT | WANTPARENT);
306 if (!vnode_isdir(ap->a_dvp)) {
312 #ifndef AFS_DARWIN80_ENV
313 if (flags & ISDOTDOT)
314 VOP_UNLOCK(dvp, 0, p);
317 error = afs_lookup(VTOAFS(dvp), name, &vcp, vop_cn_cred);
320 #ifndef AFS_DARWIN80_ENV
321 if (flags & ISDOTDOT)
322 VOP_LOCK(dvp, LK_EXCLUSIVE | LK_RETRY, p);
324 if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME)
325 && (flags & ISLASTCN) && error == ENOENT)
327 #ifndef AFS_DARWIN80_ENV
328 if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))
329 cnp->cn_flags |= SAVENAME;
335 #ifdef AFS_DARWIN80_ENV
336 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 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))) {
425 *ap->a_vpp = AFSTOV(vcp);
426 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
427 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
428 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
429 if (UBCINFOMISSING(*ap->a_vpp) || UBCINFORECLAIMED(*ap->a_vpp)) {
430 vcp->states |= CUBCinit;
431 ubc_info_init(*ap->a_vpp);
432 vcp->states &= ~CUBCinit;
438 #ifndef AFS_DARWIN80_ENV
439 if ((cnp->cn_flags & SAVESTART) == 0)
440 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
449 struct VOPPROT(mknod_args) /* {
450 * struct vnode *a_dvp;
451 * struct vnode **a_vpp;
452 * struct componentname *a_cnp;
453 * struct vattr *a_vap;
456 #ifndef AFS_DARWIN80_ENV
457 FREE_ZONE(ap->a_cnp->cn_pnbuf, ap->a_cnp->cn_pnlen, M_NAMEI);
465 struct VOPPROT(open_args) /* {
466 * struct vnode *a_vp;
468 * struct ucred *a_cred;
473 struct vnode *vp = ap->a_vp;
474 struct vcache *vc = VTOAFS(vp);
475 #if defined(AFS_DARWIN14_ENV) && !defined(AFS_DARWIN80_ENV)
477 /*----------------------------------------------------------------
478 * osi_VM_TryReclaim() removes the ubcinfo of a vnode, but that vnode
479 * can later be passed to vn_open(), which will skip the call to
480 * ubc_hold(), and when the ubcinfo is later added, the ui_refcount
481 * will be off. So we compensate by calling ubc_hold() ourselves
482 * when ui_refcount is less than 2. If an error occurs in afs_open()
483 * we must call ubc_rele(), which is what vn_open() would do if it
484 * was able to call ubc_hold() in the first place.
485 *----------------------------------------------------------------*/
486 if (vp->v_type == VREG && !(vp->v_flag & VSYSTEM)
487 && vp->v_ubcinfo->ui_refcount < 2)
488 didhold = ubc_hold(vp);
489 #endif /* AFS_DARWIN14_ENV */
491 error = afs_open(&vc, ap->a_mode, vop_cred);
493 if (AFSTOV(vc) != vp)
494 panic("AFS open changed vnode!");
496 osi_FlushPages(vc, vop_cred);
498 #if defined(AFS_DARWIN14_ENV) && !defined(AFS_DARWIN80_ENV)
499 if (error && didhold)
501 #endif /* AFS_DARWIN14_ENV */
507 struct VOPPROT(close_args) /* {
508 * struct vnode *a_vp;
510 * struct ucred *a_cred;
515 struct vnode *vp = ap->a_vp;
516 struct vcache *avc = VTOAFS(vp);
519 code = afs_close(avc, ap->a_fflag, vop_cred, vop_proc);
521 code = afs_close(avc, ap->a_fflag, &afs_osi_cred, vop_proc);
522 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
528 #ifdef AFS_DARWIN80_ENV
529 extern int afs_fakestat_enable;
533 struct VOPPROT(access_args) /* {
534 * struct vnode *a_vp;
536 * vfs_context_t a_context;
540 struct vrequest treq;
541 struct afs_fakestat_state fakestate;
542 struct vcache * tvc = VTOAFS(ap->a_vp);
545 afs_InitFakeStat(&fakestate);
546 if ((code = afs_InitReq(&treq, vop_cred)))
549 code = afs_TryEvalFakeStat(&tvc, &fakestate, &treq);
551 code = afs_CheckCode(code, &treq, 55);
555 code = afs_VerifyVCache(tvc, &treq);
557 code = afs_CheckCode(code, &treq, 56);
560 if (afs_fakestat_enable && tvc->mvstat && !(tvc->states & CStatd)) {
564 if (vnode_isdir(ap->a_vp)) {
565 if (ap->a_action & KAUTH_VNODE_LIST_DIRECTORY)
566 bits |= PRSFS_LOOKUP;
567 if (ap->a_action & KAUTH_VNODE_ADD_FILE)
568 bits |= PRSFS_INSERT;
569 if (ap->a_action & KAUTH_VNODE_SEARCH)
570 bits |= PRSFS_LOOKUP;
571 if (ap->a_action & KAUTH_VNODE_DELETE)
572 bits |= PRSFS_DELETE;
573 if (ap->a_action & KAUTH_VNODE_ADD_SUBDIRECTORY)
574 bits |= PRSFS_INSERT;
575 if (ap->a_action & KAUTH_VNODE_DELETE_CHILD)
576 bits |= PRSFS_DELETE;
577 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
578 bits |= PRSFS_LOOKUP;
579 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
580 bits |= PRSFS_LOOKUP;
582 if (ap->a_action & KAUTH_VNODE_READ_DATA)
584 if (ap->a_action & KAUTH_VNODE_WRITE_DATA)
586 if (ap->a_action & KAUTH_VNODE_EXECUTE)
587 bits |= PRSFS_READ; /* and mode bits.... */
588 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
590 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
593 if (ap->a_action & KAUTH_VNODE_WRITE_ATTRIBUTES)
595 #if 0 /* no extended attributes */
596 if (ap->a_action & KAUTH_VNODE_READ_EXTATTRIBUTES)
598 if (ap->a_action & KAUTH_VNODE_WRITE_EXTATTRIBUTES)
601 if (ap->a_action & KAUTH_VNODE_WRITE_SECURITY)
603 /* we can't check for KAUTH_VNODE_TAKE_OWNERSHIP, so we always permit it */
605 code = afs_AccessOK(tvc, bits, &treq, CHECK_MODE_BITS);
607 if (code == 1 && vnode_vtype(ap->a_vp) == VREG &&
608 ap->a_action & KAUTH_VNODE_EXECUTE &&
609 (tvc->m.Mode & 0100) != 0100) {
613 code= 0; /* if access is ok */
615 code = afs_CheckCode(EACCES, &treq, 57); /* failure code */
618 afs_PutFakeStat(&fakestate);
626 struct VOPPROT(access_args) /* {
627 * struct vnode *a_vp;
629 * struct ucred *a_cred;
635 code = afs_access(VTOAFS(ap->a_vp), ap->a_mode, vop_cred);
643 struct VOPPROT(getattr_args) /* {
644 * struct vnode *a_vp;
645 * struct vattr *a_vap;
646 * struct ucred *a_cred;
653 code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
655 #ifdef AFS_DARWIN80_ENV
656 VATTR_SET_SUPPORTED(ap->a_vap, va_type);
657 VATTR_SET_SUPPORTED(ap->a_vap, va_mode);
658 VATTR_SET_SUPPORTED(ap->a_vap, va_uid);
659 VATTR_SET_SUPPORTED(ap->a_vap, va_gid);
660 VATTR_SET_SUPPORTED(ap->a_vap, va_fileid);
661 VATTR_SET_SUPPORTED(ap->a_vap, va_nlink);
662 VATTR_SET_SUPPORTED(ap->a_vap, va_data_size);
663 VATTR_SET_SUPPORTED(ap->a_vap, va_access_time);
664 VATTR_SET_SUPPORTED(ap->a_vap, va_modify_time);
665 VATTR_SET_SUPPORTED(ap->a_vap, va_change_time);
666 VATTR_SET_SUPPORTED(ap->a_vap, va_gen);
667 VATTR_SET_SUPPORTED(ap->a_vap, va_flags);
668 VATTR_SET_SUPPORTED(ap->a_vap, va_iosize);
669 VATTR_SET_SUPPORTED(ap->a_vap, va_total_alloc);
676 struct VOPPROT(setattr_args) /* {
677 * struct vnode *a_vp;
678 * struct vattr *a_vap;
679 * struct ucred *a_cred;
685 code = afs_setattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
692 struct VOPPROT(read_args) /* {
693 * struct vnode *a_vp;
696 * struct ucred *a_cred;
700 struct vnode *vp = ap->a_vp;
701 struct vcache *avc = VTOAFS(vp);
702 #ifdef AFS_DARWIN80_ENV
703 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);
705 if (UBCINFOEXISTS(ap->a_vp)) {
706 ubc_clean(ap->a_vp, 0);
710 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
711 code = afs_read(avc, ap->a_uio, vop_cred, 0, 0, 0);
718 struct VOPPROT(pagein_args) /* {
719 * struct vnode *a_vp;
721 * vm_offset_t a_pl_offset;
724 * struct ucred *a_cred;
728 register struct vnode *vp = ap->a_vp;
730 size_t size = ap->a_size;
731 off_t f_offset = ap->a_f_offset;
732 vm_offset_t pl_offset = ap->a_pl_offset;
733 int flags = ap->a_flags;
736 #ifdef AFS_DARWIN80_ENV
741 struct uio *uio = &auio;
743 int nocommit = flags & UPL_NOCOMMIT;
746 struct vcache *tvc = VTOAFS(vp);
747 #ifndef AFS_DARWIN80_ENV
748 if (UBCINVALID(vp)) {
750 panic("afs_vop_pagein: invalid vp");
751 #endif /* DIAGNOSTIC */
755 UBCINFOCHECK("afs_vop_pagein", vp);
757 if (pl == (upl_t) NULL) {
758 panic("afs_vop_pagein: no upl");
761 cred = ubc_getcred(vp);
767 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
768 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
773 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
774 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
777 if (f_offset & PAGE_MASK)
778 panic("afs_vop_pagein: offset not page aligned");
780 OSI_UPL_MAP(pl, &ioaddr);
782 #ifdef AFS_DARWIN80_ENV
783 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
784 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
786 auio.uio_iov = &aiov;
788 auio.uio_offset = f_offset;
789 auio.uio_segflg = UIO_SYSSPACE;
790 auio.uio_rw = UIO_READ;
791 auio.uio_procp = NULL;
792 auio.uio_resid = aiov.iov_len = size;
793 aiov.iov_base = (caddr_t) ioaddr;
796 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
797 code = afs_read(tvc, uio, cred, 0, 0, 0);
799 ObtainWriteLock(&tvc->lock, 2);
800 tvc->states |= CMAPPED;
801 ReleaseWriteLock(&tvc->lock);
805 /* Zero out rest of last page if there wasn't enough data in the file */
806 if (code == 0 && AFS_UIO_RESID(uio) > 0) {
807 #ifdef AFS_DARWIN80_ENV
808 memset(((caddr_t)ioaddr) + (size - AFS_UIO_RESID(uio)), 0,
811 memset(aiov.iov_base, 0, auio.uio_resid);
818 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
819 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
821 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
822 UPL_COMMIT_CLEAR_DIRTY |
823 UPL_COMMIT_FREE_ON_EMPTY);
825 #ifdef AFS_DARWIN80_ENV
833 struct VOPPROT(write_args) /* {
834 * struct vnode *a_vp;
837 * struct ucred *a_cred;
841 struct vcache *avc = VTOAFS(ap->a_vp);
843 #ifdef AFS_DARWIN80_ENV
844 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);
846 if (UBCINFOEXISTS(ap->a_vp)) {
847 ubc_clean(ap->a_vp, 1);
849 if (UBCINFOEXISTS(ap->a_vp))
850 osi_VM_NukePages(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio),
851 AFS_UIO_RESID(ap->a_uio));
854 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
856 afs_write(VTOAFS(ap->a_vp), ap->a_uio, ap->a_ioflag, vop_cred, 0);
863 struct VOPPROT(pageout_args) /* {
864 * struct vnode *a_vp;
866 * vm_offset_t a_pl_offset,
869 * struct ucred *a_cred,
873 register struct vnode *vp = ap->a_vp;
875 size_t size = ap->a_size;
876 off_t f_offset = ap->a_f_offset;
877 vm_offset_t pl_offset = ap->a_pl_offset;
878 int flags = ap->a_flags;
881 #ifdef AFS_DARWIN80_ENV
886 struct uio *uio = &auio;
888 int nocommit = flags & UPL_NOCOMMIT;
892 struct vcache *tvc = VTOAFS(vp);
893 #ifndef AFS_DARWIN80_ENV
894 if (UBCINVALID(vp)) {
896 panic("afs_vop_pageout: invalid vp");
897 #endif /* DIAGNOSTIC */
901 UBCINFOCHECK("afs_vop_pageout", vp);
903 if (pl == (upl_t) NULL) {
904 panic("afs_vop_pageout: no upl");
906 #if !defined(AFS_DARWIN80_ENV) /* XXX nfs now uses it's own bufs (struct nfsbuf)
908 layer doesn't have them anymore? In any case,
909 we can't just copy code from nfs... */
913 int biosize = DEV_BSIZE;
915 lbn = f_offset / DEV_BSIZE;
917 for (iosize = size; iosize > 0; iosize -= biosize, lbn++) {
920 if (bp = incore(vp, lbn)) {
921 if (ISSET(bp->b_flags, B_BUSY))
922 panic("nfs_pageout: found BUSY buffer incore\n");
925 SET(bp->b_flags, (B_BUSY | B_INVAL));
932 cred = ubc_getcred(vp);
938 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
939 UPL_ABORT_FREE_ON_EMPTY);
942 if (flags & (IO_APPEND | IO_SYNC))
943 panic("nfs_pageout: (IO_APPEND | IO_SYNC)");
946 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
947 UPL_ABORT_FREE_ON_EMPTY);
950 if (f_offset >= tvc->m.Length) {
952 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
953 UPL_ABORT_FREE_ON_EMPTY);
957 if (f_offset & PAGE_MASK)
958 panic("afs_vop_pageout: offset not page aligned");
960 /* size will always be a multiple of PAGE_SIZE */
961 /* pageout isn't supposed to extend files */
962 if (f_offset + size > tvc->m.Length)
963 iosize = tvc->m.Length - f_offset;
967 if (size > (iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK && !nocommit) {
968 int iosize_rnd=(iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK;
969 OSI_UPL_ABORT_RANGE(pl, pl_offset + iosize_rnd,
971 UPL_ABORT_FREE_ON_EMPTY);
973 OSI_UPL_MAP(pl, &ioaddr);
975 #ifdef AFS_DARWIN80_ENV
976 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
977 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
979 auio.uio_iov = &aiov;
981 auio.uio_offset = f_offset;
982 auio.uio_segflg = UIO_SYSSPACE;
983 auio.uio_rw = UIO_WRITE;
984 auio.uio_procp = NULL;
985 auio.uio_resid = aiov.iov_len = iosize;
986 aiov.iov_base = (caddr_t) ioaddr;
991 * check for partial page and clear the
992 * contents past end of the file before
993 * releasing it in the VM page cache
995 if ((f_offset < tvc->m.Length) && (f_offset + size) > tvc->m.Length) {
996 size_t io = tvc->m.Length - f_offset;
998 memset((caddr_t) (ioaddr + pl_offset + io), 0, size - io);
1004 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
1005 ObtainWriteLock(&tvc->lock, 1);
1007 ReleaseWriteLock(&tvc->lock);
1009 code = afs_write(tvc, uio, flags, cred, 0);
1011 ObtainWriteLock(&tvc->lock, 1);
1012 afs_FakeClose(tvc, cred);
1013 ReleaseWriteLock(&tvc->lock);
1018 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1019 UPL_ABORT_FREE_ON_EMPTY);
1021 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
1022 UPL_COMMIT_CLEAR_DIRTY |
1023 UPL_COMMIT_FREE_ON_EMPTY);
1026 #ifdef AFS_DARWIN80_ENV
1034 struct VOPPROT(ioctl_args) /* {
1035 * struct vnode *a_vp;
1039 * struct ucred *a_cred;
1043 struct vcache *tvc = VTOAFS(ap->a_vp);
1044 struct afs_ioctl data;
1047 /* in case we ever get in here... */
1049 AFS_STATCNT(afs_ioctl);
1050 if (((ap->a_command >> 8) & 0xff) == 'V') {
1051 /* This is a VICEIOCTL call */
1053 error = HandleIoctl(tvc, (struct file *)0 /*Not used */ ,
1054 ap->a_command, ap->a_data);
1058 /* No-op call; just return. */
1066 struct VOPPROT(select_args) /* {
1067 * struct vnode *a_vp;
1070 * struct ucred *a_cred;
1075 * We should really check to see if I/O is possible.
1083 * NB Currently unsupported.
1088 struct VOPPROT(mmap_args) /* {
1089 * struct vnode *a_vp;
1091 * struct ucred *a_cred;
1100 struct VOPPROT(fsync_args) /* {
1101 * struct vnode *a_vp;
1102 * struct ucred *a_cred;
1107 int wait = ap->a_waitfor == MNT_WAIT;
1109 register struct vnode *vp = ap->a_vp;
1110 int haveGlock = ISAFS_GLOCK();
1112 /* afs_vop_lookup glocks, can call us through vinvalbuf from GetVCache */
1113 if (!haveGlock) AFS_GLOCK();
1115 error = afs_fsync(VTOAFS(vp), vop_cred);
1117 error = afs_fsync(VTOAFS(vp), &afs_osi_cred);
1118 if (!haveGlock) AFS_GUNLOCK();
1122 #ifndef AFS_DARWIN80_ENV
1125 struct VOPPROT(seek_args) /* {
1126 * struct vnode *a_vp;
1129 * struct ucred *a_cred;
1132 if (ap->a_newoff > ULONG_MAX) /* AFS doesn't support 64-bit offsets */
1140 struct VOPPROT(remove_args) /* {
1141 * struct vnode *a_dvp;
1142 * struct vnode *a_vp;
1143 * struct componentname *a_cnp;
1147 register struct vnode *vp = ap->a_vp;
1148 register struct vnode *dvp = ap->a_dvp;
1150 #ifdef AFS_DARWIN80_ENV
1151 if (ap->a_flags & VNODE_REMOVE_NODELETEBUSY) {
1152 /* Caller requested Carbon delete semantics */
1153 if (vnode_isinuse(vp, 0)) {
1161 error = afs_remove(VTOAFS(dvp), name, vop_cn_cred);
1165 #ifdef AFS_DARWIN80_ENV
1166 ubc_setsize(vp, (off_t)0);
1169 /* necessary so we don't deadlock ourselves in vclean */
1170 VOP_UNLOCK(vp, 0, cnp->cn_proc);
1172 /* If crashes continue in ubc_hold, comment this out */
1173 (void)ubc_uncache(vp);
1177 #ifndef AFS_DARWIN80_ENV
1185 #ifndef AFS_DARWIN80_ENV
1186 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1194 struct VOPPROT(link_args) /* {
1195 * struct vnode *a_vp;
1196 * struct vnode *a_tdvp;
1197 * struct componentname *a_cnp;
1201 register struct vnode *dvp = ap->a_tdvp;
1202 register struct vnode *vp = ap->a_vp;
1207 if (vnode_isdir(vp)) {
1208 VOP_ABORTOP(vp, cnp);
1212 #ifndef AFS_DARWIN80_ENV
1213 if (error = vn_lock(vp, LK_EXCLUSIVE, p)) {
1214 VOP_ABORTOP(dvp, cnp);
1219 error = afs_link(VTOAFS(vp), VTOAFS(dvp), name, vop_cn_cred);
1221 #ifndef AFS_DARWIN80_ENV
1222 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1224 #ifndef AFS_DARWIN80_ENV
1226 VOP_UNLOCK(vp, 0, p);
1229 #ifndef AFS_DARWIN80_ENV
1238 struct VOPPROT(rename_args) /* {
1239 * struct vnode *a_fdvp;
1240 * struct vnode *a_fvp;
1241 * struct componentname *a_fcnp;
1242 * struct vnode *a_tdvp;
1243 * struct vnode *a_tvp;
1244 * struct componentname *a_tcnp;
1248 struct componentname *fcnp = ap->a_fcnp;
1250 struct componentname *tcnp = ap->a_tcnp;
1252 struct vnode *tvp = ap->a_tvp;
1253 register struct vnode *tdvp = ap->a_tdvp;
1254 struct vnode *fvp = ap->a_fvp;
1255 register struct vnode *fdvp = ap->a_fdvp;
1260 #ifdef AFS_DARWIN80_ENV
1261 /* generic code tests for v_mount equality, so we don't have to, but we don't
1262 get the multiple-mount "benefits" of the old behavior
1265 /* Check for cross-device rename.
1266 * For AFS, this means anything not in AFS-space
1268 if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
1269 (tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
1275 #ifdef AFS_DARWIN80_ENV
1276 /* the generic code doesn't do this, so we really should, but all the
1277 vrele's are wrong... */
1280 * if fvp == tvp, we're just removing one name of a pair of
1281 * directory entries for the same element. convert call into rename.
1282 ( (pinched from NetBSD 1.0's ufs_rename())
1285 if (vnode_isdir(fvp)) {
1288 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */
1295 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */
1301 /* Release destination completely. */
1302 VOP_ABORTOP(tdvp, tcnp);
1305 /* Delete source. */
1306 #if defined(AFS_DARWIN80_ENV)
1308 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1309 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1310 fname[fcnp->cn_namelen] = '\0';
1312 error = afs_remove(VTOAFS(fdvp), fname, vop_cn_cred);
1314 FREE(fname, M_TEMP);
1319 fcnp->cn_flags &= ~MODMASK;
1320 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
1321 if ((fcnp->cn_flags & SAVESTART) == 0)
1322 panic("afs_rename: lost from startdir");
1323 fcnp->cn_nameiop = DELETE;
1326 error=relookup(fdvp, &fvp, fcnp);
1332 error=VOP_REMOVE(fdvp, fvp, fcnp);
1343 #if !defined(AFS_DARWIN80_ENV)
1344 if (error = vn_lock(fvp, LK_EXCLUSIVE, p))
1348 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1349 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1350 fname[fcnp->cn_namelen] = '\0';
1351 MALLOC(tname, char *, tcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1352 memcpy(tname, tcnp->cn_nameptr, tcnp->cn_namelen);
1353 tname[tcnp->cn_namelen] = '\0';
1357 /* XXX use "from" or "to" creds? NFS uses "to" creds */
1359 afs_rename(VTOAFS(fdvp), fname, VTOAFS(tdvp), tname, cn_cred(tcnp));
1362 #if !defined(AFS_DARWIN80_ENV)
1363 VOP_UNLOCK(fvp, 0, p);
1365 FREE(fname, M_TEMP);
1366 FREE(tname, M_TEMP);
1367 #ifdef AFS_DARWIN80_ENV
1378 cache_enter(tdvp, fvp, tcnp);
1381 goto abortit; /* XXX */
1396 struct VOPPROT(mkdir_args) /* {
1397 * struct vnode *a_dvp;
1398 * struct vnode **a_vpp;
1399 * struct componentname *a_cnp;
1400 * struct vattr *a_vap;
1403 register struct vnode *dvp = ap->a_dvp;
1404 register struct vattr *vap = ap->a_vap;
1411 #if defined(DIAGNOSTIC) && !defined(AFS_DARWIN80_ENV)
1412 if ((cnp->cn_flags & HASBUF) == 0)
1413 panic("afs_vop_mkdir: no name");
1416 error = afs_mkdir(VTOAFS(dvp), name, vap, &vcp, vop_cn_cred);
1419 VOP_ABORTOP(dvp, cnp);
1425 #ifdef AFS_DARWIN80_ENV
1426 afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0);
1428 *ap->a_vpp = AFSTOV(vcp);
1429 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
1430 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
1431 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
1436 #ifndef AFS_DARWIN80_ENV
1437 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1445 struct VOPPROT(rmdir_args) /* {
1446 * struct vnode *a_dvp;
1447 * struct vnode *a_vp;
1448 * struct componentname *a_cnp;
1452 register struct vnode *vp = ap->a_vp;
1453 register struct vnode *dvp = ap->a_dvp;
1457 #ifndef AFS_DARWIN80_ENV
1460 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1467 error = afs_rmdir(VTOAFS(dvp), name, vop_cn_cred);
1472 #ifndef AFS_DARWIN80_ENV
1481 struct VOPPROT(symlink_args) /* {
1482 * struct vnode *a_dvp;
1483 * struct vnode **a_vpp;
1484 * struct componentname *a_cnp;
1485 * struct vattr *a_vap;
1489 register struct vnode *dvp = ap->a_dvp;
1491 /* NFS ignores a_vpp; so do we. */
1496 afs_symlink(VTOAFS(dvp), name, ap->a_vap, ap->a_target, vop_cn_cred);
1499 #ifndef AFS_DARWIN80_ENV
1500 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1508 struct VOPPROT(readdir_args) /* {
1509 * struct vnode *a_vp;
1510 * struct uio *a_uio;
1511 * struct ucred *a_cred;
1513 * u_long *a_cookies;
1519 /* printf("readdir %x cookies %x ncookies %d\n", ap->a_vp, ap->a_cookies,
1521 #ifdef AFS_DARWIN80_ENV
1522 /* too much work for now */
1523 /* should only break nfs exports */
1524 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
1527 off = AFS_UIO_OFFSET(ap->a_uio);
1530 afs_readdir(VTOAFS(ap->a_vp), ap->a_uio, vop_cred, ap->a_eofflag);
1532 #ifndef AFS_DARWIN80_ENV
1533 if (!error && ap->a_ncookies != NULL) {
1534 struct uio *uio = ap->a_uio;
1535 const struct dirent *dp, *dp_start, *dp_end;
1537 u_long *cookies, *cookiep;
1539 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1540 panic("afs_readdir: burned cookies");
1541 dp = (const struct dirent *)
1542 ((const char *)uio->uio_iov->iov_base - (uio->uio_offset - off));
1544 dp_end = (const struct dirent *)uio->uio_iov->iov_base;
1545 for (dp_start = dp, ncookies = 0; dp < dp_end;
1546 dp = (const struct dirent *)((const char *)dp + dp->d_reclen))
1549 MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
1551 for (dp = dp_start, cookiep = cookies; dp < dp_end;
1552 dp = (const struct dirent *)((const char *)dp + dp->d_reclen)) {
1553 off += dp->d_reclen;
1556 *ap->a_cookies = cookies;
1557 *ap->a_ncookies = ncookies;
1565 afs_vop_readlink(ap)
1566 struct VOPPROT(readlink_args) /* {
1567 * struct vnode *a_vp;
1568 * struct uio *a_uio;
1569 * struct ucred *a_cred;
1573 /* printf("readlink %x\n", ap->a_vp);*/
1575 error = afs_readlink(VTOAFS(ap->a_vp), ap->a_uio, vop_cred);
1580 extern int prtactive;
1583 afs_vop_inactive(ap)
1584 struct VOPPROT(inactive_args) /* {
1585 * struct vnode *a_vp;
1589 register struct vnode *vp = ap->a_vp;
1590 struct vcache *tvc = VTOAFS(vp);
1591 #ifndef AFS_DARWIN80_ENV
1592 if (prtactive && vnode_isinuse(vp, 0) != 0)
1593 vprint("afs_vop_inactive(): pushing active", vp);
1597 afs_InactiveVCache(tvc, 0); /* decrs ref counts */
1600 #ifndef AFS_DARWIN80_ENV
1601 VOP_UNLOCK(vp, 0, ap->a_p);
1608 struct VOPPROT(reclaim_args) /* {
1609 * struct vnode *a_vp;
1614 register struct vnode *vp = ap->a_vp;
1615 struct vcache *tvc = VTOAFS(vp);
1617 osi_Assert(!ISAFS_GLOCK());
1618 cache_purge(vp); /* just in case... */
1621 ObtainWriteLock(&afs_xvcache, 335);
1622 error = afs_FlushVCache(tvc, &sl); /* toss our stuff from vnode */
1623 if (tvc->states & (CVInit
1624 #ifdef AFS_DARWIN80_ENV
1628 tvc->states &= ~(CVInit
1629 #ifdef AFS_DARWIN80_ENV
1633 afs_osi_Wakeup(&tvc->states);
1635 ReleaseWriteLock(&afs_xvcache);
1637 if (!error && vnode_fsnode(vp))
1638 panic("afs_reclaim: vnode not cleaned");
1639 if (!error && (tvc->v != NULL))
1640 panic("afs_reclaim: vcache not cleaned");
1646 * Return POSIX pathconf information applicable to ufs filesystems.
1648 afs_vop_pathconf(ap)
1649 struct VOPPROT(pathconf_args) /* {
1650 * struct vnode *a_vp;
1655 AFS_STATCNT(afs_cntl);
1656 switch (ap->a_name) {
1658 *ap->a_retval = LINK_MAX;
1661 *ap->a_retval = NAME_MAX;
1664 *ap->a_retval = PATH_MAX;
1666 case _PC_CHOWN_RESTRICTED:
1675 #if defined(AFS_DARWIN70_ENV)
1676 case _PC_NAME_CHARS_MAX:
1677 *ap->a_retval = NAME_MAX;
1679 case _PC_CASE_SENSITIVE:
1682 case _PC_CASE_PRESERVING:
1685 #endif /* defined(AFS_DARWIN70_ENV) */
1693 * Advisory record locking support (fcntl() POSIX style)
1697 struct VOPPROT(advlock_args) /* {
1698 * struct vnode *a_vp;
1701 * struct flock *a_fl;
1707 #ifdef AFS_DARWIN80_ENV
1710 struct proc *p = current_proc();
1713 cr = *p->p_cred->pc_ucred;
1719 afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, ap->a_op, tcr, (int)ap->a_id);
1725 afs_vop_blktooff(ap)
1726 struct VOPPROT(blktooff_args) /* {
1727 * struct vnode *a_vp;
1732 *ap->a_offset = (off_t) (ap->a_lblkno * DEV_BSIZE);
1737 afs_vop_offtoblk(ap)
1738 struct VOPPROT(offtoblk_args) /* {
1739 * struct vnode *a_vp;
1741 * daddr_t *a_lblkno;
1744 *ap->a_lblkno = (daddr_t) (ap->a_offset / DEV_BSIZE);
1749 #ifndef AFS_DARWIN80_ENV
1752 struct VOPPROT(lock_args) /* {
1753 * struct vnode *a_vp;
1756 register struct vnode *vp = ap->a_vp;
1757 register struct vcache *avc = VTOAFS(vp);
1759 if (vp->v_tag == VT_NON)
1762 return (lockmgr(&avc->rwlock, ap->a_flags, &vp->v_interlock, ap->a_p));
1767 struct VOPPROT(unlock_args) /* {
1768 * struct vnode *a_vp;
1771 struct vnode *vp = ap->a_vp;
1772 struct vcache *avc = VTOAFS(vp);
1775 (&avc->rwlock, ap->a_flags | LK_RELEASE, &vp->v_interlock,
1781 afs_vop_truncate(ap)
1782 struct VOPPROT(truncate_args) /* {
1783 * struct vnode *a_vp;
1786 * struct ucred *a_cred;
1790 printf("stray afs_vop_truncate\n");
1796 struct VOPPROT(update_args) /* {
1797 * struct vnode *a_vp;
1798 * struct timeval *a_access;
1799 * struct timeval *a_modify;
1803 printf("stray afs_vop_update\n");
1809 struct VOPPROT(bmap_args) /* {
1810 * struct vnode *a_vp;
1812 * struct vnode **a_vpp;
1820 *ap->a_bnp = ap->a_bn * (PAGE_SIZE / DEV_BSIZE);
1823 *ap->a_vpp = ap->a_vp;
1825 if (ap->a_runp != NULL)
1828 if (ap->a_runb != NULL)
1836 afs_vop_strategy(ap)
1837 struct VOPPROT(strategy_args) /* {
1843 error = afs_ustrategy(ap->a_bp);
1850 struct VOPPROT(print_args) /* {
1851 * struct vnode *a_vp;
1854 register struct vnode *vp = ap->a_vp;
1855 register struct vcache *vc = VTOAFS(ap->a_vp);
1857 printf("tag %d, fid: %ld.%x.%x.%x, opens %d, writers %d", vp->v_tag,
1858 vc->fid.Cell, vc->fid.Fid.Volume, vc->fid.Fid.Vnode,
1859 vc->fid.Fid.Unique, vc->opens, vc->execsOrWriters);
1860 printf("\n states%s%s%s%s%s", (s & CStatd) ? " statd" : "",
1861 (s & CRO) ? " readonly" : "", (s & CDirty) ? " dirty" : "",
1862 (s & CMAPPED) ? " mapped" : "",
1863 (s & CVFlushed) ? " flush in progress" : "");
1864 if (UBCISVALID(vp)) {
1866 if (UBCINFOEXISTS(vp)) {
1868 #ifdef AFS_DARWIN14_ENV
1869 printf("refs %d%s%s", vp->v_ubcinfo->ui_refcount,
1870 ubc_issetflags(vp, UI_HASOBJREF) ? " HASOBJREF" : "",
1871 ubc_issetflags(vp, UI_WASMAPPED) ? " WASMAPPED" : "");
1873 printf("holdcnt %d", vp->v_ubcinfo->ui_holdcnt);
1876 printf("does not exist");
1883 afs_vop_islocked(ap)
1884 struct VOPPROT(islocked_args) /* {
1885 * struct vnode *a_vp;
1888 struct vcache *vc = VTOAFS(ap->a_vp);
1889 return lockstatus(&vc->rwlock);
1894 struct VOPPROT(cmap_args) /* {
1895 * struct vnode *a_vp;
1903 *ap->a_bpn = (daddr_t) (ap->a_foffset / DEV_BSIZE);
1904 *ap->a_run = MAX(ap->a_size, AFS_CHUNKSIZE(ap->a_foffset));
1910 afs_darwin_getnewvnode(struct vcache *avc)
1912 #ifdef AFS_DARWIN80_ENV
1915 struct vnode_fsparam par;
1917 memset(&par, 0, sizeof(struct vnode_fsparam));
1920 ObtainWriteLock(&avc->lock,342);
1921 if (avc->states & CStatd) {
1922 par.vnfs_vtype = avc->m.Type;
1923 par.vnfs_vops = afs_vnodeop_p;
1924 par.vnfs_filesize = avc->m.Length;
1926 par.vnfs_flags = VNFS_NOCACHE;
1929 par.vnfs_vtype = VNON;
1930 par.vnfs_vops = afs_dead_vnodeop_p;
1931 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
1934 ReleaseWriteLock(&avc->lock);
1936 par.vnfs_dvp = ac->dvp;
1937 par.vnfs_cnp = ac->cnp;
1938 par.vnfs_markroot = ac->markroot;
1940 par.vnfs_vtype = VNON;
1941 par.vnfs_vops = afs_dead_vnodeop_p;
1942 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
1944 par.vnfs_mp = afs_globalVFS;
1945 par.vnfs_fsnode = avc;
1947 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &vp);
1954 vnode_recycle(vp); /* terminate as soon as iocount drops */
1955 avc->states |= CDeadVnode;
1956 } else if (!ac->markroot && !ac->cnp) {
1957 /* the caller doesn't know anything about this vnode. if markroot
1958 should have been set and wasn't, bad things may happen, so encourage
1963 vnode_recycle(vp); /* terminate as soon as iocount drops */
1964 avc->states |= CDeadVnode;
1969 while (getnewvnode(VT_AFS, afs_globalVFS, afs_vnodeop_p, &avc->v)) {
1970 /* no vnodes available, force an alloc (limits be damned)! */
1971 printf("failed to get vnode\n");
1973 avc->v->v_data = (void *)avc;
1977 #ifdef AFS_DARWIN80_ENV
1978 /* if this fails, then tvc has been unrefed and may have been freed.
1981 afs_darwin_finalizevnode(struct vcache *avc, struct vnode *dvp, struct componentname *cnp, int isroot) {
1982 vnode_t ovp = AFSTOV(avc);
1985 struct vnode_fsparam par;
1987 ObtainWriteLock(&avc->lock,325);
1988 if (!(avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON) {
1989 ReleaseWriteLock(&avc->lock);
1991 #if 0 /* unsupported */
1993 vnode_update_identity(ovp, dvp, cnp->cn_nameptr, cnp->cn_namelen,
1995 VNODE_UPDATE_PARENT|VNODE_UPDATE_NAME);
2000 if ((avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2001 panic("vcache %p should not be CDeadVnode", avc);
2003 memset(&par, 0, sizeof(struct vnode_fsparam));
2004 par.vnfs_mp = afs_globalVFS;
2005 par.vnfs_vtype = avc->m.Type;
2006 par.vnfs_vops = afs_vnodeop_p;
2007 par.vnfs_filesize = avc->m.Length;
2008 par.vnfs_fsnode = avc;
2012 par.vnfs_markroot = 1;
2013 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &nvp);
2015 vnode_addfsref(nvp);
2017 avc->states &=~ CDeadVnode;
2018 vnode_clearfsnode(ovp);
2019 vnode_removefsref(ovp);
2022 ReleaseWriteLock(&avc->lock);
2024 afs_osi_Wakeup(&avc->states);