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;
578 if (ap->a_action & KAUTH_VNODE_READ_DATA)
580 if (ap->a_action & KAUTH_VNODE_WRITE_DATA)
582 if (ap->a_action & KAUTH_VNODE_EXECUTE)
583 bits |= PRSFS_READ; /* and mode bits.... */
585 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
587 if (ap->a_action & KAUTH_VNODE_WRITE_ATTRIBUTES)
589 #if 0 /* no extended attributes */
590 if (ap->a_action & KAUTH_VNODE_READ_EXTATTRIBUTES)
592 if (ap->a_action & KAUTH_VNODE_WRITE_EXTATTRIBUTES)
595 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
597 if (ap->a_action & KAUTH_VNODE_WRITE_SECURITY)
599 /* we can't check for KAUTH_VNODE_TAKE_OWNERSHIP, so we always permit it */
601 code = afs_AccessOK(tvc, bits, &treq, CHECK_MODE_BITS);
603 if (code == 1 && vnode_vtype(ap->a_vp) == VREG &&
604 ap->a_action & KAUTH_VNODE_EXECUTE &&
605 (tvc->m.Mode & 0100) != 0100) {
609 code= 0; /* if access is ok */
611 code = afs_CheckCode(EACCES, &treq, 57); /* failure code */
614 afs_PutFakeStat(&fakestate);
622 struct VOPPROT(access_args) /* {
623 * struct vnode *a_vp;
625 * struct ucred *a_cred;
631 code = afs_access(VTOAFS(ap->a_vp), ap->a_mode, vop_cred);
639 struct VOPPROT(getattr_args) /* {
640 * struct vnode *a_vp;
641 * struct vattr *a_vap;
642 * struct ucred *a_cred;
649 code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
651 #ifdef AFS_DARWIN80_ENV
652 VATTR_SET_SUPPORTED(ap->a_vap, va_type);
653 VATTR_SET_SUPPORTED(ap->a_vap, va_mode);
654 VATTR_SET_SUPPORTED(ap->a_vap, va_uid);
655 VATTR_SET_SUPPORTED(ap->a_vap, va_gid);
656 VATTR_SET_SUPPORTED(ap->a_vap, va_fileid);
657 VATTR_SET_SUPPORTED(ap->a_vap, va_nlink);
658 VATTR_SET_SUPPORTED(ap->a_vap, va_data_size);
659 VATTR_SET_SUPPORTED(ap->a_vap, va_access_time);
660 VATTR_SET_SUPPORTED(ap->a_vap, va_modify_time);
661 VATTR_SET_SUPPORTED(ap->a_vap, va_change_time);
662 VATTR_SET_SUPPORTED(ap->a_vap, va_gen);
663 VATTR_SET_SUPPORTED(ap->a_vap, va_flags);
664 VATTR_SET_SUPPORTED(ap->a_vap, va_iosize);
665 VATTR_SET_SUPPORTED(ap->a_vap, va_total_alloc);
672 struct VOPPROT(setattr_args) /* {
673 * struct vnode *a_vp;
674 * struct vattr *a_vap;
675 * struct ucred *a_cred;
681 code = afs_setattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
688 struct VOPPROT(read_args) /* {
689 * struct vnode *a_vp;
692 * struct ucred *a_cred;
696 struct vnode *vp = ap->a_vp;
697 struct vcache *avc = VTOAFS(vp);
698 #ifdef AFS_DARWIN80_ENV
699 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);
701 if (UBCINFOEXISTS(ap->a_vp)) {
702 ubc_clean(ap->a_vp, 0);
706 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
707 code = afs_read(avc, ap->a_uio, vop_cred, 0, 0, 0);
714 struct VOPPROT(pagein_args) /* {
715 * struct vnode *a_vp;
717 * vm_offset_t a_pl_offset;
720 * struct ucred *a_cred;
724 register struct vnode *vp = ap->a_vp;
726 size_t size = ap->a_size;
727 off_t f_offset = ap->a_f_offset;
728 vm_offset_t pl_offset = ap->a_pl_offset;
729 int flags = ap->a_flags;
732 #ifdef AFS_DARWIN80_ENV
737 struct uio *uio = &auio;
739 int nocommit = flags & UPL_NOCOMMIT;
742 struct vcache *tvc = VTOAFS(vp);
743 #ifndef AFS_DARWIN80_ENV
744 if (UBCINVALID(vp)) {
746 panic("afs_vop_pagein: invalid vp");
747 #endif /* DIAGNOSTIC */
751 UBCINFOCHECK("afs_vop_pagein", vp);
753 if (pl == (upl_t) NULL) {
754 panic("afs_vop_pagein: no upl");
757 cred = ubc_getcred(vp);
763 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
764 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
769 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
770 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
773 if (f_offset & PAGE_MASK)
774 panic("afs_vop_pagein: offset not page aligned");
776 OSI_UPL_MAP(pl, &ioaddr);
778 #ifdef AFS_DARWIN80_ENV
779 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
780 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
782 auio.uio_iov = &aiov;
784 auio.uio_offset = f_offset;
785 auio.uio_segflg = UIO_SYSSPACE;
786 auio.uio_rw = UIO_READ;
787 auio.uio_procp = NULL;
788 auio.uio_resid = aiov.iov_len = size;
789 aiov.iov_base = (caddr_t) ioaddr;
792 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
793 code = afs_read(tvc, uio, cred, 0, 0, 0);
795 ObtainWriteLock(&tvc->lock, 2);
796 tvc->states |= CMAPPED;
797 ReleaseWriteLock(&tvc->lock);
801 /* Zero out rest of last page if there wasn't enough data in the file */
802 if (code == 0 && AFS_UIO_RESID(uio) > 0) {
803 #ifdef AFS_DARWIN80_ENV
804 memset(((caddr_t)ioaddr) + (size - AFS_UIO_RESID(uio)), 0,
807 memset(aiov.iov_base, 0, auio.uio_resid);
814 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
815 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
817 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
818 UPL_COMMIT_CLEAR_DIRTY |
819 UPL_COMMIT_FREE_ON_EMPTY);
821 #ifdef AFS_DARWIN80_ENV
829 struct VOPPROT(write_args) /* {
830 * struct vnode *a_vp;
833 * struct ucred *a_cred;
837 struct vcache *avc = VTOAFS(ap->a_vp);
839 #ifdef AFS_DARWIN80_ENV
840 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);
842 if (UBCINFOEXISTS(ap->a_vp)) {
843 ubc_clean(ap->a_vp, 1);
845 if (UBCINFOEXISTS(ap->a_vp))
846 osi_VM_NukePages(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio),
847 AFS_UIO_RESID(ap->a_uio));
850 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
852 afs_write(VTOAFS(ap->a_vp), ap->a_uio, ap->a_ioflag, vop_cred, 0);
859 struct VOPPROT(pageout_args) /* {
860 * struct vnode *a_vp;
862 * vm_offset_t a_pl_offset,
865 * struct ucred *a_cred,
869 register struct vnode *vp = ap->a_vp;
871 size_t size = ap->a_size;
872 off_t f_offset = ap->a_f_offset;
873 vm_offset_t pl_offset = ap->a_pl_offset;
874 int flags = ap->a_flags;
877 #ifdef AFS_DARWIN80_ENV
882 struct uio *uio = &auio;
884 int nocommit = flags & UPL_NOCOMMIT;
888 struct vcache *tvc = VTOAFS(vp);
889 #ifndef AFS_DARWIN80_ENV
890 if (UBCINVALID(vp)) {
892 panic("afs_vop_pageout: invalid vp");
893 #endif /* DIAGNOSTIC */
897 UBCINFOCHECK("afs_vop_pageout", vp);
899 if (pl == (upl_t) NULL) {
900 panic("afs_vop_pageout: no upl");
902 #if !defined(AFS_DARWIN80_ENV) /* XXX nfs now uses it's own bufs (struct nfsbuf)
904 layer doesn't have them anymore? In any case,
905 we can't just copy code from nfs... */
909 int biosize = DEV_BSIZE;
911 lbn = f_offset / DEV_BSIZE;
913 for (iosize = size; iosize > 0; iosize -= biosize, lbn++) {
916 if (bp = incore(vp, lbn)) {
917 if (ISSET(bp->b_flags, B_BUSY))
918 panic("nfs_pageout: found BUSY buffer incore\n");
921 SET(bp->b_flags, (B_BUSY | B_INVAL));
928 cred = ubc_getcred(vp);
934 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
935 UPL_ABORT_FREE_ON_EMPTY);
938 if (flags & (IO_APPEND | IO_SYNC))
939 panic("nfs_pageout: (IO_APPEND | IO_SYNC)");
942 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
943 UPL_ABORT_FREE_ON_EMPTY);
946 if (f_offset >= tvc->m.Length) {
948 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
949 UPL_ABORT_FREE_ON_EMPTY);
953 if (f_offset & PAGE_MASK)
954 panic("afs_vop_pageout: offset not page aligned");
956 /* size will always be a multiple of PAGE_SIZE */
957 /* pageout isn't supposed to extend files */
958 if (f_offset + size > tvc->m.Length)
959 iosize = tvc->m.Length - f_offset;
963 if (size > (iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK && !nocommit) {
964 int iosize_rnd=(iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK;
965 OSI_UPL_ABORT_RANGE(pl, pl_offset + iosize_rnd,
967 UPL_ABORT_FREE_ON_EMPTY);
969 OSI_UPL_MAP(pl, &ioaddr);
971 #ifdef AFS_DARWIN80_ENV
972 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
973 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
975 auio.uio_iov = &aiov;
977 auio.uio_offset = f_offset;
978 auio.uio_segflg = UIO_SYSSPACE;
979 auio.uio_rw = UIO_WRITE;
980 auio.uio_procp = NULL;
981 auio.uio_resid = aiov.iov_len = iosize;
982 aiov.iov_base = (caddr_t) ioaddr;
987 * check for partial page and clear the
988 * contents past end of the file before
989 * releasing it in the VM page cache
991 if ((f_offset < tvc->m.Length) && (f_offset + size) > tvc->m.Length) {
992 size_t io = tvc->m.Length - f_offset;
994 memset((caddr_t) (ioaddr + pl_offset + io), 0, size - io);
1000 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
1001 ObtainWriteLock(&tvc->lock, 1);
1003 ReleaseWriteLock(&tvc->lock);
1005 code = afs_write(tvc, uio, flags, cred, 0);
1007 ObtainWriteLock(&tvc->lock, 1);
1008 afs_FakeClose(tvc, cred);
1009 ReleaseWriteLock(&tvc->lock);
1014 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1015 UPL_ABORT_FREE_ON_EMPTY);
1017 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
1018 UPL_COMMIT_CLEAR_DIRTY |
1019 UPL_COMMIT_FREE_ON_EMPTY);
1022 #ifdef AFS_DARWIN80_ENV
1030 struct VOPPROT(ioctl_args) /* {
1031 * struct vnode *a_vp;
1035 * struct ucred *a_cred;
1039 struct vcache *tvc = VTOAFS(ap->a_vp);
1040 struct afs_ioctl data;
1043 /* in case we ever get in here... */
1045 AFS_STATCNT(afs_ioctl);
1046 if (((ap->a_command >> 8) & 0xff) == 'V') {
1047 /* This is a VICEIOCTL call */
1049 error = HandleIoctl(tvc, (struct file *)0 /*Not used */ ,
1050 ap->a_command, ap->a_data);
1054 /* No-op call; just return. */
1062 struct VOPPROT(select_args) /* {
1063 * struct vnode *a_vp;
1066 * struct ucred *a_cred;
1071 * We should really check to see if I/O is possible.
1079 * NB Currently unsupported.
1084 struct VOPPROT(mmap_args) /* {
1085 * struct vnode *a_vp;
1087 * struct ucred *a_cred;
1096 struct VOPPROT(fsync_args) /* {
1097 * struct vnode *a_vp;
1098 * struct ucred *a_cred;
1103 int wait = ap->a_waitfor == MNT_WAIT;
1105 register struct vnode *vp = ap->a_vp;
1106 int haveGlock = ISAFS_GLOCK();
1108 /* afs_vop_lookup glocks, can call us through vinvalbuf from GetVCache */
1109 if (!haveGlock) AFS_GLOCK();
1111 error = afs_fsync(VTOAFS(vp), vop_cred);
1113 error = afs_fsync(VTOAFS(vp), &afs_osi_cred);
1114 if (!haveGlock) AFS_GUNLOCK();
1118 #ifndef AFS_DARWIN80_ENV
1121 struct VOPPROT(seek_args) /* {
1122 * struct vnode *a_vp;
1125 * struct ucred *a_cred;
1128 if (ap->a_newoff > ULONG_MAX) /* AFS doesn't support 64-bit offsets */
1136 struct VOPPROT(remove_args) /* {
1137 * struct vnode *a_dvp;
1138 * struct vnode *a_vp;
1139 * struct componentname *a_cnp;
1143 register struct vnode *vp = ap->a_vp;
1144 register struct vnode *dvp = ap->a_dvp;
1146 #ifdef AFS_DARWIN80_ENV
1147 if (ap->a_flags & VNODE_REMOVE_NODELETEBUSY) {
1148 /* Caller requested Carbon delete semantics */
1149 if (vnode_isinuse(vp, 0)) {
1157 error = afs_remove(VTOAFS(dvp), name, vop_cn_cred);
1161 #ifdef AFS_DARWIN80_ENV
1162 ubc_setsize(vp, (off_t)0);
1165 /* necessary so we don't deadlock ourselves in vclean */
1166 VOP_UNLOCK(vp, 0, cnp->cn_proc);
1168 /* If crashes continue in ubc_hold, comment this out */
1169 (void)ubc_uncache(vp);
1173 #ifndef AFS_DARWIN80_ENV
1181 #ifndef AFS_DARWIN80_ENV
1182 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1190 struct VOPPROT(link_args) /* {
1191 * struct vnode *a_vp;
1192 * struct vnode *a_tdvp;
1193 * struct componentname *a_cnp;
1197 register struct vnode *dvp = ap->a_tdvp;
1198 register struct vnode *vp = ap->a_vp;
1203 if (vnode_isdir(vp)) {
1204 VOP_ABORTOP(vp, cnp);
1208 #ifndef AFS_DARWIN80_ENV
1209 if (error = vn_lock(vp, LK_EXCLUSIVE, p)) {
1210 VOP_ABORTOP(dvp, cnp);
1215 error = afs_link(VTOAFS(vp), VTOAFS(dvp), name, vop_cn_cred);
1217 #ifndef AFS_DARWIN80_ENV
1218 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1220 #ifndef AFS_DARWIN80_ENV
1222 VOP_UNLOCK(vp, 0, p);
1225 #ifndef AFS_DARWIN80_ENV
1234 struct VOPPROT(rename_args) /* {
1235 * struct vnode *a_fdvp;
1236 * struct vnode *a_fvp;
1237 * struct componentname *a_fcnp;
1238 * struct vnode *a_tdvp;
1239 * struct vnode *a_tvp;
1240 * struct componentname *a_tcnp;
1244 struct componentname *fcnp = ap->a_fcnp;
1246 struct componentname *tcnp = ap->a_tcnp;
1248 struct vnode *tvp = ap->a_tvp;
1249 register struct vnode *tdvp = ap->a_tdvp;
1250 struct vnode *fvp = ap->a_fvp;
1251 register struct vnode *fdvp = ap->a_fdvp;
1256 #ifdef AFS_DARWIN80_ENV
1257 /* generic code tests for v_mount equality, so we don't have to, but we don't
1258 get the multiple-mount "benefits" of the old behavior
1261 /* Check for cross-device rename.
1262 * For AFS, this means anything not in AFS-space
1264 if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
1265 (tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
1271 #ifdef AFS_DARWIN80_ENV
1272 /* the generic code doesn't do this, so we really should, but all the
1273 vrele's are wrong... */
1276 * if fvp == tvp, we're just removing one name of a pair of
1277 * directory entries for the same element. convert call into rename.
1278 ( (pinched from NetBSD 1.0's ufs_rename())
1281 if (vnode_isdir(fvp)) {
1284 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */
1291 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */
1297 /* Release destination completely. */
1298 VOP_ABORTOP(tdvp, tcnp);
1301 /* Delete source. */
1302 #if defined(AFS_DARWIN80_ENV)
1304 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1305 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1306 fname[fcnp->cn_namelen] = '\0';
1308 error = afs_remove(VTOAFS(fdvp), fname, vop_cn_cred);
1310 FREE(fname, M_TEMP);
1315 fcnp->cn_flags &= ~MODMASK;
1316 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
1317 if ((fcnp->cn_flags & SAVESTART) == 0)
1318 panic("afs_rename: lost from startdir");
1319 fcnp->cn_nameiop = DELETE;
1322 error=relookup(fdvp, &fvp, fcnp);
1328 error=VOP_REMOVE(fdvp, fvp, fcnp);
1339 #if !defined(AFS_DARWIN80_ENV)
1340 if (error = vn_lock(fvp, LK_EXCLUSIVE, p))
1344 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1345 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1346 fname[fcnp->cn_namelen] = '\0';
1347 MALLOC(tname, char *, tcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1348 memcpy(tname, tcnp->cn_nameptr, tcnp->cn_namelen);
1349 tname[tcnp->cn_namelen] = '\0';
1353 /* XXX use "from" or "to" creds? NFS uses "to" creds */
1355 afs_rename(VTOAFS(fdvp), fname, VTOAFS(tdvp), tname, cn_cred(tcnp));
1358 #if !defined(AFS_DARWIN80_ENV)
1359 VOP_UNLOCK(fvp, 0, p);
1361 FREE(fname, M_TEMP);
1362 FREE(tname, M_TEMP);
1363 #ifdef AFS_DARWIN80_ENV
1374 cache_enter(tdvp, fvp, tcnp);
1377 goto abortit; /* XXX */
1392 struct VOPPROT(mkdir_args) /* {
1393 * struct vnode *a_dvp;
1394 * struct vnode **a_vpp;
1395 * struct componentname *a_cnp;
1396 * struct vattr *a_vap;
1399 register struct vnode *dvp = ap->a_dvp;
1400 register struct vattr *vap = ap->a_vap;
1407 #if defined(DIAGNOSTIC) && !defined(AFS_DARWIN80_ENV)
1408 if ((cnp->cn_flags & HASBUF) == 0)
1409 panic("afs_vop_mkdir: no name");
1412 error = afs_mkdir(VTOAFS(dvp), name, vap, &vcp, vop_cn_cred);
1415 VOP_ABORTOP(dvp, cnp);
1421 #ifdef AFS_DARWIN80_ENV
1422 afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0);
1424 *ap->a_vpp = AFSTOV(vcp);
1425 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
1426 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
1427 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
1432 #ifndef AFS_DARWIN80_ENV
1433 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1441 struct VOPPROT(rmdir_args) /* {
1442 * struct vnode *a_dvp;
1443 * struct vnode *a_vp;
1444 * struct componentname *a_cnp;
1448 register struct vnode *vp = ap->a_vp;
1449 register struct vnode *dvp = ap->a_dvp;
1453 #ifndef AFS_DARWIN80_ENV
1456 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1463 error = afs_rmdir(VTOAFS(dvp), name, vop_cn_cred);
1468 #ifndef AFS_DARWIN80_ENV
1477 struct VOPPROT(symlink_args) /* {
1478 * struct vnode *a_dvp;
1479 * struct vnode **a_vpp;
1480 * struct componentname *a_cnp;
1481 * struct vattr *a_vap;
1485 register struct vnode *dvp = ap->a_dvp;
1487 /* NFS ignores a_vpp; so do we. */
1492 afs_symlink(VTOAFS(dvp), name, ap->a_vap, ap->a_target, vop_cn_cred);
1495 #ifndef AFS_DARWIN80_ENV
1496 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1504 struct VOPPROT(readdir_args) /* {
1505 * struct vnode *a_vp;
1506 * struct uio *a_uio;
1507 * struct ucred *a_cred;
1509 * u_long *a_cookies;
1515 /* printf("readdir %x cookies %x ncookies %d\n", ap->a_vp, ap->a_cookies,
1517 #ifdef AFS_DARWIN80_ENV
1518 /* too much work for now */
1519 /* should only break nfs exports */
1520 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
1523 off = AFS_UIO_OFFSET(ap->a_uio);
1526 afs_readdir(VTOAFS(ap->a_vp), ap->a_uio, vop_cred, ap->a_eofflag);
1528 #ifndef AFS_DARWIN80_ENV
1529 if (!error && ap->a_ncookies != NULL) {
1530 struct uio *uio = ap->a_uio;
1531 const struct dirent *dp, *dp_start, *dp_end;
1533 u_long *cookies, *cookiep;
1535 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1536 panic("afs_readdir: burned cookies");
1537 dp = (const struct dirent *)
1538 ((const char *)uio->uio_iov->iov_base - (uio->uio_offset - off));
1540 dp_end = (const struct dirent *)uio->uio_iov->iov_base;
1541 for (dp_start = dp, ncookies = 0; dp < dp_end;
1542 dp = (const struct dirent *)((const char *)dp + dp->d_reclen))
1545 MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
1547 for (dp = dp_start, cookiep = cookies; dp < dp_end;
1548 dp = (const struct dirent *)((const char *)dp + dp->d_reclen)) {
1549 off += dp->d_reclen;
1552 *ap->a_cookies = cookies;
1553 *ap->a_ncookies = ncookies;
1561 afs_vop_readlink(ap)
1562 struct VOPPROT(readlink_args) /* {
1563 * struct vnode *a_vp;
1564 * struct uio *a_uio;
1565 * struct ucred *a_cred;
1569 /* printf("readlink %x\n", ap->a_vp);*/
1571 error = afs_readlink(VTOAFS(ap->a_vp), ap->a_uio, vop_cred);
1576 extern int prtactive;
1579 afs_vop_inactive(ap)
1580 struct VOPPROT(inactive_args) /* {
1581 * struct vnode *a_vp;
1585 register struct vnode *vp = ap->a_vp;
1586 struct vcache *tvc = VTOAFS(vp);
1587 #ifndef AFS_DARWIN80_ENV
1588 if (prtactive && vnode_isinuse(vp, 0) != 0)
1589 vprint("afs_vop_inactive(): pushing active", vp);
1593 afs_InactiveVCache(tvc, 0); /* decrs ref counts */
1596 #ifndef AFS_DARWIN80_ENV
1597 VOP_UNLOCK(vp, 0, ap->a_p);
1604 struct VOPPROT(reclaim_args) /* {
1605 * struct vnode *a_vp;
1610 register struct vnode *vp = ap->a_vp;
1611 struct vcache *tvc = VTOAFS(vp);
1613 osi_Assert(!ISAFS_GLOCK());
1614 cache_purge(vp); /* just in case... */
1617 ObtainWriteLock(&afs_xvcache, 335);
1618 error = afs_FlushVCache(tvc, &sl); /* toss our stuff from vnode */
1619 if (tvc->states & (CVInit | CDeadVnode)) {
1620 tvc->states &= ~(CVInit | CDeadVnode);
1621 afs_osi_Wakeup(&tvc->states);
1623 ReleaseWriteLock(&afs_xvcache);
1625 if (!error && vnode_fsnode(vp))
1626 panic("afs_reclaim: vnode not cleaned");
1627 if (!error && (tvc->v != NULL))
1628 panic("afs_reclaim: vcache not cleaned");
1634 * Return POSIX pathconf information applicable to ufs filesystems.
1636 afs_vop_pathconf(ap)
1637 struct VOPPROT(pathconf_args) /* {
1638 * struct vnode *a_vp;
1643 AFS_STATCNT(afs_cntl);
1644 switch (ap->a_name) {
1646 *ap->a_retval = LINK_MAX;
1649 *ap->a_retval = NAME_MAX;
1652 *ap->a_retval = PATH_MAX;
1654 case _PC_CHOWN_RESTRICTED:
1663 #if defined(AFS_DARWIN70_ENV)
1664 case _PC_NAME_CHARS_MAX:
1665 *ap->a_retval = NAME_MAX;
1667 case _PC_CASE_SENSITIVE:
1670 case _PC_CASE_PRESERVING:
1673 #endif /* defined(AFS_DARWIN70_ENV) */
1681 * Advisory record locking support (fcntl() POSIX style)
1685 struct VOPPROT(advlock_args) /* {
1686 * struct vnode *a_vp;
1689 * struct flock *a_fl;
1695 #ifdef AFS_DARWIN80_ENV
1698 struct proc *p = current_proc();
1701 cr = *p->p_cred->pc_ucred;
1707 afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, ap->a_op, tcr, (int)ap->a_id);
1713 afs_vop_blktooff(ap)
1714 struct VOPPROT(blktooff_args) /* {
1715 * struct vnode *a_vp;
1720 *ap->a_offset = (off_t) (ap->a_lblkno * DEV_BSIZE);
1725 afs_vop_offtoblk(ap)
1726 struct VOPPROT(offtoblk_args) /* {
1727 * struct vnode *a_vp;
1729 * daddr_t *a_lblkno;
1732 *ap->a_lblkno = (daddr_t) (ap->a_offset / DEV_BSIZE);
1737 #ifndef AFS_DARWIN80_ENV
1740 struct VOPPROT(lock_args) /* {
1741 * struct vnode *a_vp;
1744 register struct vnode *vp = ap->a_vp;
1745 register struct vcache *avc = VTOAFS(vp);
1747 if (vp->v_tag == VT_NON)
1750 return (lockmgr(&avc->rwlock, ap->a_flags, &vp->v_interlock, ap->a_p));
1755 struct VOPPROT(unlock_args) /* {
1756 * struct vnode *a_vp;
1759 struct vnode *vp = ap->a_vp;
1760 struct vcache *avc = VTOAFS(vp);
1763 (&avc->rwlock, ap->a_flags | LK_RELEASE, &vp->v_interlock,
1769 afs_vop_truncate(ap)
1770 struct VOPPROT(truncate_args) /* {
1771 * struct vnode *a_vp;
1774 * struct ucred *a_cred;
1778 printf("stray afs_vop_truncate\n");
1784 struct VOPPROT(update_args) /* {
1785 * struct vnode *a_vp;
1786 * struct timeval *a_access;
1787 * struct timeval *a_modify;
1791 printf("stray afs_vop_update\n");
1797 struct VOPPROT(bmap_args) /* {
1798 * struct vnode *a_vp;
1800 * struct vnode **a_vpp;
1808 *ap->a_bnp = ap->a_bn * (PAGE_SIZE / DEV_BSIZE);
1811 *ap->a_vpp = ap->a_vp;
1813 if (ap->a_runp != NULL)
1816 if (ap->a_runb != NULL)
1824 afs_vop_strategy(ap)
1825 struct VOPPROT(strategy_args) /* {
1831 error = afs_ustrategy(ap->a_bp);
1838 struct VOPPROT(print_args) /* {
1839 * struct vnode *a_vp;
1842 register struct vnode *vp = ap->a_vp;
1843 register struct vcache *vc = VTOAFS(ap->a_vp);
1845 printf("tag %d, fid: %ld.%x.%x.%x, opens %d, writers %d", vp->v_tag,
1846 vc->fid.Cell, vc->fid.Fid.Volume, vc->fid.Fid.Vnode,
1847 vc->fid.Fid.Unique, vc->opens, vc->execsOrWriters);
1848 printf("\n states%s%s%s%s%s", (s & CStatd) ? " statd" : "",
1849 (s & CRO) ? " readonly" : "", (s & CDirty) ? " dirty" : "",
1850 (s & CMAPPED) ? " mapped" : "",
1851 (s & CVFlushed) ? " flush in progress" : "");
1852 if (UBCISVALID(vp)) {
1854 if (UBCINFOEXISTS(vp)) {
1856 #ifdef AFS_DARWIN14_ENV
1857 printf("refs %d%s%s", vp->v_ubcinfo->ui_refcount,
1858 ubc_issetflags(vp, UI_HASOBJREF) ? " HASOBJREF" : "",
1859 ubc_issetflags(vp, UI_WASMAPPED) ? " WASMAPPED" : "");
1861 printf("holdcnt %d", vp->v_ubcinfo->ui_holdcnt);
1864 printf("does not exist");
1871 afs_vop_islocked(ap)
1872 struct VOPPROT(islocked_args) /* {
1873 * struct vnode *a_vp;
1876 struct vcache *vc = VTOAFS(ap->a_vp);
1877 return lockstatus(&vc->rwlock);
1882 struct VOPPROT(cmap_args) /* {
1883 * struct vnode *a_vp;
1891 *ap->a_bpn = (daddr_t) (ap->a_foffset / DEV_BSIZE);
1892 *ap->a_run = MAX(ap->a_size, AFS_CHUNKSIZE(ap->a_foffset));
1898 afs_darwin_getnewvnode(struct vcache *avc)
1900 #ifdef AFS_DARWIN80_ENV
1903 struct vnode_fsparam par;
1905 memset(&par, 0, sizeof(struct vnode_fsparam));
1908 ObtainWriteLock(&avc->lock,342);
1909 if (avc->states & CStatd) {
1910 par.vnfs_vtype = avc->m.Type;
1911 par.vnfs_vops = afs_vnodeop_p;
1912 par.vnfs_filesize = avc->m.Length;
1914 par.vnfs_flags = VNFS_NOCACHE;
1917 par.vnfs_vtype = VNON;
1918 par.vnfs_vops = afs_dead_vnodeop_p;
1919 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
1922 ReleaseWriteLock(&avc->lock);
1924 par.vnfs_dvp = ac->dvp;
1925 par.vnfs_cnp = ac->cnp;
1926 par.vnfs_markroot = ac->markroot;
1928 par.vnfs_vtype = VNON;
1929 par.vnfs_vops = afs_dead_vnodeop_p;
1930 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
1932 par.vnfs_mp = afs_globalVFS;
1933 par.vnfs_fsnode = avc;
1935 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &vp);
1942 vnode_recycle(vp); /* terminate as soon as iocount drops */
1943 avc->states |= CDeadVnode;
1944 } else if (!ac->markroot && !ac->cnp) {
1945 /* the caller doesn't know anything about this vnode. if markroot
1946 should have been set and wasn't, bad things may happen, so encourage
1951 vnode_recycle(vp); /* terminate as soon as iocount drops */
1952 avc->states |= CDeadVnode;
1957 while (getnewvnode(VT_AFS, afs_globalVFS, afs_vnodeop_p, &avc->v)) {
1958 /* no vnodes available, force an alloc (limits be damned)! */
1959 printf("failed to get vnode\n");
1961 avc->v->v_data = (void *)avc;
1965 #ifdef AFS_DARWIN80_ENV
1966 /* if this fails, then tvc has been unrefed and may have been freed.
1969 afs_darwin_finalizevnode(struct vcache *avc, struct vnode *dvp, struct componentname *cnp, int isroot) {
1970 vnode_t ovp = AFSTOV(avc);
1973 struct vnode_fsparam par;
1975 ObtainWriteLock(&avc->lock,325);
1976 if (!(avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON) {
1977 ReleaseWriteLock(&avc->lock);
1979 #if 0 /* unsupported */
1981 vnode_update_identity(ovp, dvp, cnp->cn_nameptr, cnp->cn_namelen,
1983 VNODE_UPDATE_PARENT|VNODE_UPDATE_NAME);
1988 if ((avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON)
1989 panic("vcache %p should not be CDeadVnode", avc);
1991 memset(&par, 0, sizeof(struct vnode_fsparam));
1992 par.vnfs_mp = afs_globalVFS;
1993 par.vnfs_vtype = avc->m.Type;
1994 par.vnfs_vops = afs_vnodeop_p;
1995 par.vnfs_filesize = avc->m.Length;
1996 par.vnfs_fsnode = avc;
2000 par.vnfs_markroot = 1;
2001 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &nvp);
2003 vnode_addfsref(nvp);
2005 avc->states &=~ CDeadVnode;
2006 vnode_clearfsnode(ovp);
2007 vnode_removefsref(ovp);
2010 ReleaseWriteLock(&avc->lock);
2012 afs_osi_Wakeup(&avc->states);