2 * Portions Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
8 #include <afs/sysincludes.h> /* Standard vendor system headers */
9 #include <afsincludes.h> /* Afs-based standard headers */
10 #include <afs/afs_stats.h> /* statistics */
11 #include <sys/malloc.h>
12 #include <sys/namei.h>
14 #include <vfs/vfs_support.h>
15 #ifdef AFS_DARWIN80_ENV
16 #include <sys/vnode_if.h>
17 #include <sys/kauth.h>
20 #ifdef AFS_DARWIN80_ENV
21 #define VOPPREF(x) &vnop_ ## x
22 #define VOPPROT(x) vnop_ ## x
23 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
24 ubc_upl_abort_range((pl), (offset), (size), (flags))
25 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
26 ubc_upl_commit_range((pl), (offset), (size), (flags))
27 #define OSI_UPL_MAP(upl, offset) ubc_upl_map((upl), (offset))
28 #define OSI_UPL_UNMAP(upl) ubc_upl_unmap((upl))
29 #define VOP_ABORTOP(x, y)
31 #define VOPPREF(x) &vop_ ## x
32 #define VOPPROT(x) vop_ ## x
33 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
34 kernel_upl_abort_range((pl), (offset), (size), (flags))
35 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
36 kernel_upl_commit_range((pl), (offset), (size), (flags), \
37 UPL_GET_INTERNAL_PAGE_LIST((pl)),\
39 #define OSI_UPL_MAP(upl, offset) kernel_upl_map(kernel_map, (upl), (offset))
40 #define OSI_UPL_UNMAP(upl) kernel_upl_unmap(kernel_map, (upl))
43 extern char afs_zeros[AFS_ZEROS];
45 int afs_vop_lookup(struct VOPPROT(lookup_args) *);
46 int afs_vop_create(struct VOPPROT(create_args) *);
47 int afs_vop_mknod(struct VOPPROT(mknod_args) *);
48 int afs_vop_open(struct VOPPROT(open_args) *);
49 int afs_vop_close(struct VOPPROT(close_args) *);
50 int afs_vop_access(struct VOPPROT(access_args) *);
51 int afs_vop_getattr(struct VOPPROT(getattr_args) *);
52 int afs_vop_setattr(struct VOPPROT(setattr_args) *);
53 int afs_vop_read(struct VOPPROT(read_args) *);
54 int afs_vop_write(struct VOPPROT(write_args) *);
55 int afs_vop_pagein(struct VOPPROT(pagein_args) *);
56 int afs_vop_pageout(struct VOPPROT(pageout_args) *);
57 int afs_vop_ioctl(struct VOPPROT(ioctl_args) *);
58 int afs_vop_select(struct VOPPROT(select_args) *);
59 int afs_vop_mmap(struct VOPPROT(mmap_args) *);
60 int afs_vop_fsync(struct VOPPROT(fsync_args) *);
61 int afs_vop_remove(struct VOPPROT(remove_args) *);
62 int afs_vop_link(struct VOPPROT(link_args) *);
63 int afs_vop_rename(struct VOPPROT(rename_args) *);
64 int afs_vop_mkdir(struct VOPPROT(mkdir_args) *);
65 int afs_vop_rmdir(struct VOPPROT(rmdir_args) *);
66 int afs_vop_symlink(struct VOPPROT(symlink_args) *);
67 int afs_vop_readdir(struct VOPPROT(readdir_args) *);
68 int afs_vop_readlink(struct VOPPROT(readlink_args) *);
69 int afs_vop_inactive(struct VOPPROT(inactive_args) *);
70 int afs_vop_reclaim(struct VOPPROT(reclaim_args) *);
71 int afs_vop_strategy(struct VOPPROT(strategy_args) *);
72 int afs_vop_pathconf(struct VOPPROT(pathconf_args) *);
73 int afs_vop_advlock(struct VOPPROT(advlock_args) *);
74 int afs_vop_blktooff __P((struct VOPPROT(blktooff_args) *));
75 int afs_vop_offtoblk __P((struct VOPPROT(offtoblk_args) *));
76 #ifndef AFS_DARWIN80_ENV
77 int afs_vop_truncate(struct VOPPROT(truncate_args) *);
78 int afs_vop_update(struct VOPPROT(update_args) *);
79 int afs_vop_lock(struct VOPPROT(lock_args) *);
80 int afs_vop_unlock(struct VOPPROT(unlock_args) *);
81 int afs_vop_bmap(struct VOPPROT(bmap_args) *);
82 int afs_vop_seek(struct VOPPROT(seek_args) *);
83 int afs_vop_cmap __P((struct VOPPROT(cmap_args) *));
84 int afs_vop_print(struct VOPPROT(print_args) *);
85 int afs_vop_islocked(struct VOPPROT(islocked_args) *);
88 #define afs_vop_opnotsupp \
89 ((int (*) __P((struct vop_reallocblks_args *)))eopnotsupp)
90 #define afs_vop_valloc afs_vop_opnotsupp
91 #define afs_vop_vfree afs_vop_opnotsupp
92 #define afs_vop_blkatoff afs_vop_opnotsupp
93 #define afs_vop_reallocblks afs_vop_opnotsupp
95 /* Global vfs data structures for AFS. */
96 int (**afs_vnodeop_p) ();
98 #define VOPFUNC int (*)(void *)
100 struct vnodeopv_entry_desc afs_vnodeop_entries[] = {
101 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
102 {VOPPREF(lookup_desc), (VOPFUNC)afs_vop_lookup}, /* lookup */
103 {VOPPREF(create_desc), (VOPFUNC)afs_vop_create}, /* create */
104 {VOPPREF(mknod_desc), (VOPFUNC)afs_vop_mknod}, /* mknod */
105 {VOPPREF(open_desc), (VOPFUNC)afs_vop_open}, /* open */
106 {VOPPREF(close_desc), (VOPFUNC)afs_vop_close}, /* close */
107 {VOPPREF(access_desc), (VOPFUNC)afs_vop_access}, /* access */
108 {VOPPREF(getattr_desc), (VOPFUNC)afs_vop_getattr}, /* getattr */
109 {VOPPREF(setattr_desc), (VOPFUNC)afs_vop_setattr}, /* setattr */
110 {VOPPREF(read_desc), (VOPFUNC)afs_vop_read}, /* read */
111 {VOPPREF(write_desc), (VOPFUNC)afs_vop_write}, /* write */
112 {VOPPREF(pagein_desc), (VOPFUNC)afs_vop_pagein}, /* read */
113 {VOPPREF(pageout_desc), (VOPFUNC)afs_vop_pageout}, /* write */
114 {VOPPREF(ioctl_desc), (VOPFUNC)afs_vop_ioctl}, /* XXX ioctl */
115 {VOPPREF(select_desc), (VOPFUNC)afs_vop_select}, /* select */
116 {VOPPREF(mmap_desc), (VOPFUNC)afs_vop_mmap}, /* mmap */
117 {VOPPREF(fsync_desc), (VOPFUNC)afs_vop_fsync}, /* fsync */
118 #ifndef AFS_DARWIN80_ENV
119 {VOPPREF(seek_desc), (VOPFUNC)afs_vop_seek}, /* seek */
121 {VOPPREF(remove_desc), (VOPFUNC)afs_vop_remove}, /* remove */
122 {VOPPREF(link_desc), (VOPFUNC)afs_vop_link}, /* link */
123 {VOPPREF(rename_desc), (VOPFUNC)afs_vop_rename}, /* rename */
124 {VOPPREF(mkdir_desc), (VOPFUNC)afs_vop_mkdir}, /* mkdir */
125 {VOPPREF(rmdir_desc), (VOPFUNC)afs_vop_rmdir}, /* rmdir */
126 {VOPPREF(symlink_desc), (VOPFUNC)afs_vop_symlink}, /* symlink */
127 {VOPPREF(readdir_desc), (VOPFUNC)afs_vop_readdir}, /* readdir */
128 {VOPPREF(readlink_desc), (VOPFUNC)afs_vop_readlink}, /* readlink */
129 #ifndef AFS_DARWIN80_ENV
130 {VOPPREF(abortop_desc), (VOPFUNC)nop_abortop }, /* abortop */
132 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
133 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
134 #ifndef AFS_DARWIN80_ENV
135 {VOPPREF(lock_desc), (VOPFUNC)afs_vop_lock}, /* lock */
136 {VOPPREF(unlock_desc), (VOPFUNC)afs_vop_unlock}, /* unlock */
137 {VOPPREF(bmap_desc), (VOPFUNC)afs_vop_bmap}, /* bmap */
139 #ifdef AFS_DARWIN80_ENV
140 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
142 {VOPPREF(strategy_desc), (VOPFUNC)afs_vop_strategy}, /* strategy */
144 #ifndef AFS_DARWIN80_ENV
145 {VOPPREF(print_desc), (VOPFUNC)afs_vop_print}, /* print */
146 {VOPPREF(islocked_desc), (VOPFUNC)afs_vop_islocked}, /* islocked */
148 {VOPPREF(pathconf_desc), (VOPFUNC)afs_vop_pathconf}, /* pathconf */
149 {VOPPREF(advlock_desc), (VOPFUNC)afs_vop_advlock}, /* advlock */
150 #ifndef AFS_DARWIN80_ENV
151 {VOPPREF(blkatoff_desc), (VOPFUNC)afs_vop_blkatoff}, /* blkatoff */
152 {VOPPREF(valloc_desc), (VOPFUNC)afs_vop_valloc}, /* valloc */
153 {VOPPREF(reallocblks_desc), (VOPFUNC)afs_vop_reallocblks}, /* reallocblks */
154 {VOPPREF(vfree_desc), (VOPFUNC)afs_vop_vfree}, /* vfree */
155 {VOPPREF(update_desc), (VOPFUNC)afs_vop_update}, /* update */
156 {VOPPREF(cmap_desc), (VOPFUNC)afs_vop_cmap}, /* cmap */
157 {VOPPREF(truncate_desc), (VOPFUNC)afs_vop_truncate}, /* truncate */
159 {VOPPREF(blktooff_desc), (VOPFUNC)afs_vop_blktooff}, /* blktooff */
160 {VOPPREF(offtoblk_desc), (VOPFUNC)afs_vop_offtoblk}, /* offtoblk */
161 {VOPPREF(bwrite_desc), (VOPFUNC)vn_bwrite},
162 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
164 struct vnodeopv_desc afs_vnodeop_opv_desc =
165 { &afs_vnodeop_p, afs_vnodeop_entries };
167 #ifdef AFS_DARWIN80_ENV
168 /* vfs structures for incompletely initialized vnodes */
169 int (**afs_dead_vnodeop_p) ();
171 struct vnodeopv_entry_desc afs_dead_vnodeop_entries[] = {
172 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
173 {VOPPREF(lookup_desc), (VOPFUNC)vn_default_error}, /* lookup */
174 {VOPPREF(create_desc), (VOPFUNC)err_create}, /* create */
175 {VOPPREF(mknod_desc), (VOPFUNC)err_mknod}, /* mknod */
176 {VOPPREF(open_desc), (VOPFUNC)err_open}, /* open */
177 {VOPPREF(close_desc), (VOPFUNC)err_close}, /* close */
178 {VOPPREF(access_desc), (VOPFUNC)err_access}, /* access */
179 {VOPPREF(getattr_desc), (VOPFUNC)err_getattr}, /* getattr */
180 {VOPPREF(setattr_desc), (VOPFUNC)err_setattr}, /* setattr */
181 {VOPPREF(read_desc), (VOPFUNC)err_read}, /* read */
182 {VOPPREF(write_desc), (VOPFUNC)err_write}, /* write */
183 {VOPPREF(pagein_desc), (VOPFUNC)err_pagein}, /* read */
184 {VOPPREF(pageout_desc), (VOPFUNC)err_pageout}, /* write */
185 {VOPPREF(ioctl_desc), (VOPFUNC)err_ioctl}, /* XXX ioctl */
186 {VOPPREF(select_desc), (VOPFUNC)nop_select}, /* select */
187 {VOPPREF(mmap_desc), (VOPFUNC)err_mmap}, /* mmap */
188 {VOPPREF(fsync_desc), (VOPFUNC)err_fsync}, /* fsync */
189 {VOPPREF(remove_desc), (VOPFUNC)err_remove}, /* remove */
190 {VOPPREF(link_desc), (VOPFUNC)err_link}, /* link */
191 {VOPPREF(rename_desc), (VOPFUNC)err_rename}, /* rename */
192 {VOPPREF(mkdir_desc), (VOPFUNC)err_mkdir}, /* mkdir */
193 {VOPPREF(rmdir_desc), (VOPFUNC)err_rmdir}, /* rmdir */
194 {VOPPREF(symlink_desc), (VOPFUNC)err_symlink}, /* symlink */
195 {VOPPREF(readdir_desc), (VOPFUNC)err_readdir}, /* readdir */
196 {VOPPREF(readlink_desc), (VOPFUNC)err_readlink}, /* readlink */
197 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
198 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
199 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
200 {VOPPREF(pathconf_desc), (VOPFUNC)err_pathconf}, /* pathconf */
201 {VOPPREF(advlock_desc), (VOPFUNC)err_advlock}, /* advlock */
202 {VOPPREF(blktooff_desc), (VOPFUNC)err_blktooff}, /* blktooff */
203 {VOPPREF(offtoblk_desc), (VOPFUNC)err_offtoblk}, /* offtoblk */
204 {VOPPREF(bwrite_desc), (VOPFUNC)err_bwrite},
205 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
207 struct vnodeopv_desc afs_dead_vnodeop_opv_desc =
208 { &afs_dead_vnodeop_p, afs_dead_vnodeop_entries };
212 struct componentname *cnp = ap->a_cnp; \
214 MALLOC(name, char *, cnp->cn_namelen+1, M_TEMP, M_WAITOK); \
215 memcpy(name, cnp->cn_nameptr, cnp->cn_namelen); \
216 name[cnp->cn_namelen] = '\0'
218 #define DROPNAME() FREE(name, M_TEMP)
221 darwin_vn_hold(struct vnode *vp)
223 int haveGlock=ISAFS_GLOCK();
224 struct vcache *tvc = VTOAFS(vp);
226 #ifndef AFS_DARWIN80_ENV
227 tvc->f.states |= CUBCinit;
229 #ifdef AFS_DARWIN80_ENV
230 osi_Assert((tvc->f.states & CVInit) == 0);
231 if (tvc->f.states & CDeadVnode)
232 osi_Assert(!vnode_isinuse(vp, 1));
234 if (haveGlock) AFS_GUNLOCK();
236 #ifdef AFS_DARWIN80_ENV
238 /* being terminated. kernel won't give us a ref. Now what? our
239 callers don't expect us to fail */
240 if (haveGlock) AFS_GLOCK();
245 if (haveGlock) AFS_GLOCK();
250 /* vget needed for 0 ref'd vnode in GetVCache to not panic in vref.
251 vref needed for multiref'd vnode in vnop_remove not to deadlock
252 ourselves during vop_inactive, except we also need to not reinst
253 the ubc... so we just call VREF there now anyway. */
255 if (VREFCOUNT_GT(tvc, 0))
256 VREF(((struct vnode *)(vp)));
258 afs_vget(afs_globalVFS, 0, (vp));
261 #ifndef AFS_DARWIN80_ENV
262 if (UBCINFOMISSING(vp) || UBCINFORECLAIMED(vp)) {
267 if (haveGlock) AFS_GLOCK();
268 #ifndef AFS_DARWIN80_ENV
269 tvc->f.states &= ~CUBCinit;
274 struct VOPPROT(lookup_args)/* {
275 * struct vnodeop_desc * a_desc;
276 * struct vnode *a_dvp;
277 * struct vnode **a_vpp;
278 * struct componentname *a_cnp;
283 struct vnode *vp, *dvp;
284 register int flags = ap->a_cnp->cn_flags;
285 int lockparent; /* 1 => lockparent flag is set */
286 int wantparent; /* 1 => wantparent or lockparent flag */
288 #ifdef AFS_DARWIN80_ENV
289 vcp = VTOAFS(ap->a_dvp);
290 if (vcp->mvstat != 1) {
291 error = cache_lookup(ap->a_dvp, ap->a_vpp, ap->a_cnp);
302 lockparent = flags & LOCKPARENT;
303 wantparent = flags & (LOCKPARENT | WANTPARENT);
305 if (!vnode_isdir(ap->a_dvp)) {
311 #ifndef AFS_DARWIN80_ENV
312 if (flags & ISDOTDOT)
313 VOP_UNLOCK(dvp, 0, p);
316 error = afs_lookup(VTOAFS(dvp), name, &vcp, vop_cn_cred);
319 #ifndef AFS_DARWIN80_ENV
320 if (flags & ISDOTDOT)
321 VOP_LOCK(dvp, LK_EXCLUSIVE | LK_RETRY, p);
323 if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME)
324 && (flags & ISLASTCN) && error == ENOENT)
326 #ifndef AFS_DARWIN80_ENV
327 if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))
328 cnp->cn_flags |= SAVENAME;
334 #ifdef AFS_DARWIN80_ENV
335 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0, 0))) {
341 vp = AFSTOV(vcp); /* always get a node if no error */
342 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
343 vp->v_vfsp = dvp->v_vfsp;
345 if (UBCINFOMISSING(vp) ||
346 UBCINFORECLAIMED(vp)) {
351 #ifndef AFS_DARWIN80_ENV
352 /* The parent directory comes in locked. We unlock it on return
353 * unless the caller wants it left locked.
354 * we also always return the vnode locked. */
356 if (flags & ISDOTDOT) {
357 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
358 /* always return the child locked */
359 if (lockparent && (flags & ISLASTCN)
360 && (error = vn_lock(dvp, LK_EXCLUSIVE, p))) {
365 } else if (vp == dvp) {
366 /* they're the same; afs_lookup() already ref'ed the leaf.
367 * It came in locked, so we don't need to ref OR lock it */
369 if (!lockparent || !(flags & ISLASTCN))
370 VOP_UNLOCK(dvp, 0, p); /* done with parent. */
371 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
372 /* always return the child locked */
377 #ifndef AFS_DARWIN80_ENV
378 if ((cnp->cn_nameiop == RENAME && wantparent && (flags & ISLASTCN)
379 || (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))))
380 cnp->cn_flags |= SAVENAME;
389 struct VOPPROT(create_args) /* {
390 * struct vnode *a_dvp;
391 * struct vnode **a_vpp;
392 * struct componentname *a_cnp;
393 * struct vattr *a_vap;
398 register struct vnode *dvp = ap->a_dvp;
403 /* vnode layer handles excl/nonexcl */
406 afs_create(VTOAFS(dvp), name, ap->a_vap, NONEXCL, ap->a_vap->va_mode,
410 #ifndef AFS_DARWIN80_ENV
411 VOP_ABORTOP(dvp, cnp);
419 #ifdef AFS_DARWIN80_ENV
420 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0, 0))) {
426 *ap->a_vpp = AFSTOV(vcp);
427 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
428 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
429 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
430 if (UBCINFOMISSING(*ap->a_vpp) || UBCINFORECLAIMED(*ap->a_vpp)) {
431 vcp->f.states |= CUBCinit;
432 ubc_info_init(*ap->a_vpp);
433 vcp->f.states &= ~CUBCinit;
439 #ifndef AFS_DARWIN80_ENV
440 if ((cnp->cn_flags & SAVESTART) == 0)
441 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
450 struct VOPPROT(mknod_args) /* {
451 * struct vnode *a_dvp;
452 * struct vnode **a_vpp;
453 * struct componentname *a_cnp;
454 * struct vattr *a_vap;
457 #ifndef AFS_DARWIN80_ENV
458 FREE_ZONE(ap->a_cnp->cn_pnbuf, ap->a_cnp->cn_pnlen, M_NAMEI);
466 struct VOPPROT(open_args) /* {
467 * struct vnode *a_vp;
469 * struct ucred *a_cred;
474 struct vnode *vp = ap->a_vp;
475 struct vcache *vc = VTOAFS(vp);
476 #if !defined(AFS_DARWIN80_ENV)
478 /*----------------------------------------------------------------
479 * osi_VM_TryReclaim() removes the ubcinfo of a vnode, but that vnode
480 * can later be passed to vn_open(), which will skip the call to
481 * ubc_hold(), and when the ubcinfo is later added, the ui_refcount
482 * will be off. So we compensate by calling ubc_hold() ourselves
483 * when ui_refcount is less than 2. If an error occurs in afs_open()
484 * we must call ubc_rele(), which is what vn_open() would do if it
485 * was able to call ubc_hold() in the first place.
486 *----------------------------------------------------------------*/
487 if (vp->v_type == VREG && !(vp->v_flag & VSYSTEM)
488 && vp->v_ubcinfo->ui_refcount < 2)
489 didhold = ubc_hold(vp);
490 #endif /* !AFS_DARWIN80_ENV */
492 error = afs_open(&vc, ap->a_mode, vop_cred);
494 if (AFSTOV(vc) != vp)
495 panic("AFS open changed vnode!");
497 osi_FlushPages(vc, vop_cred);
499 #if !defined(AFS_DARWIN80_ENV)
500 if (error && didhold)
502 #endif /* !AFS_DARWIN80_ENV */
508 struct VOPPROT(close_args) /* {
509 * struct vnode *a_vp;
511 * struct ucred *a_cred;
516 struct vnode *vp = ap->a_vp;
517 struct vcache *avc = VTOAFS(vp);
520 code = afs_close(avc, ap->a_fflag, vop_cred);
522 code = afs_close(avc, ap->a_fflag, &afs_osi_cred);
523 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
524 /* This is legit; it just forces the fstrace event to happen */
525 code = afs_CheckCode(code, NULL, 60);
531 #ifdef AFS_DARWIN80_ENV
532 extern int afs_fakestat_enable;
536 struct VOPPROT(access_args) /* {
537 * struct vnode *a_vp;
539 * vfs_context_t a_context;
543 struct vrequest treq;
544 struct afs_fakestat_state fakestate;
545 struct vcache * tvc = VTOAFS(ap->a_vp);
547 int cmb = CHECK_MODE_BITS;
549 afs_InitFakeStat(&fakestate);
550 if ((code = afs_InitReq(&treq, vop_cred)))
553 code = afs_TryEvalFakeStat(&tvc, &fakestate, &treq);
555 code = afs_CheckCode(code, &treq, 55);
559 code = afs_VerifyVCache(tvc, &treq);
561 code = afs_CheckCode(code, &treq, 56);
564 if (afs_fakestat_enable && tvc->mvstat && !(tvc->f.states & CStatd)) {
568 if (vnode_isdir(ap->a_vp)) {
569 if (ap->a_action & KAUTH_VNODE_LIST_DIRECTORY)
570 bits |= PRSFS_LOOKUP;
571 if (ap->a_action & KAUTH_VNODE_ADD_FILE)
572 bits |= PRSFS_INSERT;
573 if (ap->a_action & KAUTH_VNODE_SEARCH)
574 bits |= PRSFS_LOOKUP;
575 if (ap->a_action & KAUTH_VNODE_DELETE)
576 bits |= PRSFS_DELETE;
577 if (ap->a_action & KAUTH_VNODE_ADD_SUBDIRECTORY)
578 bits |= PRSFS_INSERT;
579 if (ap->a_action & KAUTH_VNODE_DELETE_CHILD)
580 bits |= PRSFS_DELETE;
581 #if 0 /* I'd argue this should be enforced on the parent. But that's ugly */
582 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
583 bits |= PRSFS_LOOKUP;
584 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
585 bits |= PRSFS_LOOKUP;
588 if (ap->a_action & KAUTH_VNODE_READ_DATA)
590 if (ap->a_action & KAUTH_VNODE_WRITE_DATA)
592 if (ap->a_action & KAUTH_VNODE_EXECUTE)
593 bits |= PRSFS_READ; /* and mode bits.... */
594 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
595 bits |= PRSFS_LOOKUP;
596 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
597 bits |= PRSFS_LOOKUP;
598 if ((ap->a_action & ((1 << 25) - 1)) == KAUTH_VNODE_EXECUTE)
599 /* if only exec, don't check for read mode bit */
600 /* high bits of ap->a_action are not for 'generic rights bits', and
601 so should not be checked (KAUTH_VNODE_ACCESS is often present
602 and needs to be masked off) */
603 cmb |= CMB_ALLOW_EXEC_AS_READ;
605 if (ap->a_action & KAUTH_VNODE_WRITE_ATTRIBUTES)
607 #if 0 /* no extended attributes */
608 if (ap->a_action & KAUTH_VNODE_READ_EXTATTRIBUTES)
610 if (ap->a_action & KAUTH_VNODE_WRITE_EXTATTRIBUTES)
613 if (ap->a_action & KAUTH_VNODE_WRITE_SECURITY)
615 /* we can't check for KAUTH_VNODE_TAKE_OWNERSHIP, so we always permit it */
617 code = afs_AccessOK(tvc, bits, &treq, cmb);
618 #if defined(AFS_DARWIN80_ENV)
619 /* In a dropbox, cp on 10.4 behaves badly, looping on EACCES */
620 /* In a dropbox, Finder may reopen the file. Let it. */
621 if (code == 0 && ((bits &~(PRSFS_READ|PRSFS_WRITE)) == 0)) {
622 code = afs_AccessOK(tvc, PRSFS_ADMINISTER|PRSFS_INSERT|bits, &treq, cmb);
625 if (code == 1 && vnode_vtype(ap->a_vp) == VREG &&
626 ap->a_action & KAUTH_VNODE_EXECUTE &&
627 (tvc->f.m.Mode & 0100) != 0100) {
631 code= 0; /* if access is ok */
633 code = afs_CheckCode(EACCES, &treq, 57); /* failure code */
636 afs_PutFakeStat(&fakestate);
644 struct VOPPROT(access_args) /* {
645 * struct vnode *a_vp;
647 * struct ucred *a_cred;
653 code = afs_access(VTOAFS(ap->a_vp), ap->a_mode, vop_cred);
661 struct VOPPROT(getattr_args) /* {
662 * struct vnode *a_vp;
663 * struct vattr *a_vap;
664 * struct ucred *a_cred;
671 code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
672 /* This is legit; it just forces the fstrace event to happen */
673 code = afs_CheckCode(code, NULL, 58);
675 #ifdef AFS_DARWIN80_ENV
676 VATTR_SET_SUPPORTED(ap->a_vap, va_type);
677 VATTR_SET_SUPPORTED(ap->a_vap, va_mode);
678 VATTR_SET_SUPPORTED(ap->a_vap, va_uid);
679 VATTR_SET_SUPPORTED(ap->a_vap, va_gid);
680 VATTR_SET_SUPPORTED(ap->a_vap, va_fsid);
681 VATTR_SET_SUPPORTED(ap->a_vap, va_fileid);
682 VATTR_SET_SUPPORTED(ap->a_vap, va_nlink);
683 VATTR_SET_SUPPORTED(ap->a_vap, va_data_size);
684 VATTR_SET_SUPPORTED(ap->a_vap, va_access_time);
685 VATTR_SET_SUPPORTED(ap->a_vap, va_modify_time);
686 VATTR_SET_SUPPORTED(ap->a_vap, va_change_time);
687 VATTR_SET_SUPPORTED(ap->a_vap, va_gen);
688 VATTR_SET_SUPPORTED(ap->a_vap, va_flags);
689 VATTR_SET_SUPPORTED(ap->a_vap, va_iosize);
690 VATTR_SET_SUPPORTED(ap->a_vap, va_total_alloc);
697 struct VOPPROT(setattr_args) /* {
698 * struct vnode *a_vp;
699 * struct vattr *a_vap;
700 * struct ucred *a_cred;
706 code = afs_setattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
707 /* This is legit; it just forces the fstrace event to happen */
708 code = afs_CheckCode(code, NULL, 59);
715 struct VOPPROT(read_args) /* {
716 * struct vnode *a_vp;
719 * struct ucred *a_cred;
723 struct vnode *vp = ap->a_vp;
724 struct vcache *avc = VTOAFS(vp);
726 if (vnode_isdir(ap->a_vp))
728 #ifdef AFS_DARWIN80_ENV
729 ubc_msync_range(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio), AFS_UIO_OFFSET(ap->a_uio) + AFS_UIO_RESID(ap->a_uio), UBC_PUSHDIRTY);
731 if (UBCINFOEXISTS(ap->a_vp)) {
732 ubc_clean(ap->a_vp, 0);
736 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
737 code = afs_read(avc, ap->a_uio, vop_cred, 0, 0, 0);
744 struct VOPPROT(pagein_args) /* {
745 * struct vnode *a_vp;
747 * vm_offset_t a_pl_offset;
750 * struct ucred *a_cred;
754 register struct vnode *vp = ap->a_vp;
756 size_t size = ap->a_size;
757 off_t f_offset = ap->a_f_offset;
758 vm_offset_t pl_offset = ap->a_pl_offset;
759 int flags = ap->a_flags;
762 #ifdef AFS_DARWIN80_ENV
767 struct uio *uio = &auio;
769 int nocommit = flags & UPL_NOCOMMIT;
772 struct vcache *tvc = VTOAFS(vp);
773 #ifndef AFS_DARWIN80_ENV
774 if (UBCINVALID(vp)) {
776 panic("afs_vop_pagein: invalid vp");
777 #endif /* DIAGNOSTIC */
781 UBCINFOCHECK("afs_vop_pagein", vp);
783 if (pl == (upl_t) NULL) {
784 panic("afs_vop_pagein: no upl");
787 cred = ubc_getcred(vp);
793 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
794 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
799 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
800 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
803 if (f_offset & PAGE_MASK)
804 panic("afs_vop_pagein: offset not page aligned");
806 OSI_UPL_MAP(pl, &ioaddr);
808 #ifdef AFS_DARWIN80_ENV
809 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
810 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
812 auio.uio_iov = &aiov;
814 auio.uio_offset = f_offset;
815 auio.uio_segflg = UIO_SYSSPACE;
816 auio.uio_rw = UIO_READ;
817 auio.uio_procp = NULL;
818 auio.uio_resid = aiov.iov_len = size;
819 aiov.iov_base = (caddr_t) ioaddr;
822 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
823 code = afs_read(tvc, uio, cred, 0, 0, 0);
825 ObtainWriteLock(&tvc->lock, 2);
826 tvc->f.states |= CMAPPED;
827 ReleaseWriteLock(&tvc->lock);
831 /* Zero out rest of last page if there wasn't enough data in the file */
832 if (code == 0 && AFS_UIO_RESID(uio) > 0) {
833 #ifdef AFS_DARWIN80_ENV
834 memset(((caddr_t)ioaddr) + (size - AFS_UIO_RESID(uio)), 0,
837 memset(aiov.iov_base, 0, auio.uio_resid);
844 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
845 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
847 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
848 UPL_COMMIT_CLEAR_DIRTY |
849 UPL_COMMIT_FREE_ON_EMPTY);
851 #ifdef AFS_DARWIN80_ENV
859 struct VOPPROT(write_args) /* {
860 * struct vnode *a_vp;
863 * struct ucred *a_cred;
867 struct vcache *avc = VTOAFS(ap->a_vp);
869 #ifdef AFS_DARWIN80_ENV
870 ubc_msync_range(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio), AFS_UIO_OFFSET(ap->a_uio) + AFS_UIO_RESID(ap->a_uio), UBC_INVALIDATE);
872 if (UBCINFOEXISTS(ap->a_vp)) {
873 ubc_clean(ap->a_vp, 1);
875 if (UBCINFOEXISTS(ap->a_vp))
876 osi_VM_NukePages(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio),
877 AFS_UIO_RESID(ap->a_uio));
880 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
882 afs_write(VTOAFS(ap->a_vp), ap->a_uio, ap->a_ioflag, vop_cred, 0);
889 struct VOPPROT(pageout_args) /* {
890 * struct vnode *a_vp;
892 * vm_offset_t a_pl_offset,
895 * struct ucred *a_cred,
899 register struct vnode *vp = ap->a_vp;
901 size_t size = ap->a_size;
902 off_t f_offset = ap->a_f_offset;
903 vm_offset_t pl_offset = ap->a_pl_offset;
904 int flags = ap->a_flags;
907 #ifdef AFS_DARWIN80_ENV
912 struct uio *uio = &auio;
914 int nocommit = flags & UPL_NOCOMMIT;
918 struct vcache *tvc = VTOAFS(vp);
919 #ifndef AFS_DARWIN80_ENV
920 if (UBCINVALID(vp)) {
922 panic("afs_vop_pageout: invalid vp");
923 #endif /* DIAGNOSTIC */
927 UBCINFOCHECK("afs_vop_pageout", vp);
929 if (pl == (upl_t) NULL) {
930 panic("afs_vop_pageout: no upl");
932 #if !defined(AFS_DARWIN80_ENV) /* XXX nfs now uses it's own bufs (struct nfsbuf)
934 layer doesn't have them anymore? In any case,
935 we can't just copy code from nfs... */
939 int biosize = DEV_BSIZE;
941 lbn = f_offset / DEV_BSIZE;
943 for (iosize = size; iosize > 0; iosize -= biosize, lbn++) {
946 if (bp = incore(vp, lbn)) {
947 if (ISSET(bp->b_flags, B_BUSY))
948 panic("nfs_pageout: found BUSY buffer incore\n");
951 SET(bp->b_flags, (B_BUSY | B_INVAL));
958 cred = ubc_getcred(vp);
964 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
965 UPL_ABORT_FREE_ON_EMPTY);
968 if (flags & (IO_APPEND | IO_SYNC))
969 panic("nfs_pageout: (IO_APPEND | IO_SYNC)");
972 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
973 UPL_ABORT_FREE_ON_EMPTY);
976 if (f_offset >= tvc->f.m.Length) {
978 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
979 UPL_ABORT_FREE_ON_EMPTY);
983 if (f_offset & PAGE_MASK)
984 panic("afs_vop_pageout: offset not page aligned");
986 /* size will always be a multiple of PAGE_SIZE */
987 /* pageout isn't supposed to extend files */
988 if (f_offset + size > tvc->f.m.Length)
989 iosize = tvc->f.m.Length - f_offset;
993 if (size > (iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK && !nocommit) {
994 int iosize_rnd=(iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK;
995 OSI_UPL_ABORT_RANGE(pl, pl_offset + iosize_rnd,
997 UPL_ABORT_FREE_ON_EMPTY);
999 OSI_UPL_MAP(pl, &ioaddr);
1000 ioaddr += pl_offset;
1001 #ifdef AFS_DARWIN80_ENV
1002 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
1003 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
1005 auio.uio_iov = &aiov;
1006 auio.uio_iovcnt = 1;
1007 auio.uio_offset = f_offset;
1008 auio.uio_segflg = UIO_SYSSPACE;
1009 auio.uio_rw = UIO_WRITE;
1010 auio.uio_procp = NULL;
1011 auio.uio_resid = aiov.iov_len = iosize;
1012 aiov.iov_base = (caddr_t) ioaddr;
1016 * check for partial page and clear the
1017 * contents past end of the file before
1018 * releasing it in the VM page cache
1020 if ((f_offset < tvc->f.m.Length) && (f_offset + size) > tvc->f.m.Length) {
1021 size_t io = tvc->f.m.Length - f_offset;
1023 memset((caddr_t) (ioaddr + pl_offset + io), 0, size - io);
1028 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
1029 ObtainWriteLock(&tvc->lock, 1);
1031 ReleaseWriteLock(&tvc->lock);
1033 code = afs_write(tvc, uio, flags, cred, 0);
1035 ObtainWriteLock(&tvc->lock, 1);
1036 afs_FakeClose(tvc, cred);
1037 ReleaseWriteLock(&tvc->lock);
1042 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1043 UPL_ABORT_FREE_ON_EMPTY);
1045 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
1046 UPL_COMMIT_CLEAR_DIRTY |
1047 UPL_COMMIT_FREE_ON_EMPTY);
1050 #ifdef AFS_DARWIN80_ENV
1058 struct VOPPROT(ioctl_args) /* {
1059 * struct vnode *a_vp;
1063 * struct ucred *a_cred;
1067 struct vcache *tvc = VTOAFS(ap->a_vp);
1068 struct afs_ioctl data;
1071 /* in case we ever get in here... */
1073 AFS_STATCNT(afs_ioctl);
1074 if (((ap->a_command >> 8) & 0xff) == 'V') {
1075 /* This is a VICEIOCTL call */
1077 error = HandleIoctl(tvc, ap->a_command, ap->a_data);
1081 /* No-op call; just return. */
1089 struct VOPPROT(select_args) /* {
1090 * struct vnode *a_vp;
1093 * struct ucred *a_cred;
1098 * We should really check to see if I/O is possible.
1106 * NB Currently unsupported.
1111 struct VOPPROT(mmap_args) /* {
1112 * struct vnode *a_vp;
1114 * struct ucred *a_cred;
1123 struct VOPPROT(fsync_args) /* {
1124 * struct vnode *a_vp;
1125 * struct ucred *a_cred;
1130 int wait = ap->a_waitfor == MNT_WAIT;
1132 register struct vnode *vp = ap->a_vp;
1133 int haveGlock = ISAFS_GLOCK();
1135 /* afs_vop_lookup glocks, can call us through vinvalbuf from GetVCache */
1136 if (!haveGlock) AFS_GLOCK();
1138 error = afs_fsync(VTOAFS(vp), vop_cred);
1140 error = afs_fsync(VTOAFS(vp), &afs_osi_cred);
1141 if (!haveGlock) AFS_GUNLOCK();
1145 #ifndef AFS_DARWIN80_ENV
1148 struct VOPPROT(seek_args) /* {
1149 * struct vnode *a_vp;
1152 * struct ucred *a_cred;
1155 if (ap->a_newoff > ULONG_MAX) /* AFS doesn't support 64-bit offsets */
1163 struct VOPPROT(remove_args) /* {
1164 * struct vnode *a_dvp;
1165 * struct vnode *a_vp;
1166 * struct componentname *a_cnp;
1170 register struct vnode *vp = ap->a_vp;
1171 register struct vnode *dvp = ap->a_dvp;
1173 #ifdef AFS_DARWIN80_ENV
1174 if (ap->a_flags & VNODE_REMOVE_NODELETEBUSY) {
1175 /* Caller requested Carbon delete semantics */
1176 if (vnode_isinuse(vp, 0)) {
1184 error = afs_remove(VTOAFS(dvp), name, vop_cn_cred);
1185 error = afs_CheckCode(error, NULL, 61);
1189 #ifdef AFS_DARWIN80_ENV
1190 struct vcache *tvc = VTOAFS(vp);
1192 if (!(tvc->f.states & CUnlinked)) {
1193 ubc_setsize(vp, (off_t)0);
1197 /* necessary so we don't deadlock ourselves in vclean */
1198 VOP_UNLOCK(vp, 0, cnp->cn_proc);
1200 /* If crashes continue in ubc_hold, comment this out */
1201 (void)ubc_uncache(vp);
1204 /* should check for PRSFS_INSERT and not PRSFS_DELETE, but the
1205 goal here is to deal with Finder's unhappiness with resource
1206 forks that have no resources in a dropbox setting */
1207 if (name[0] == '.' && name[1] == '_' && error == EACCES)
1211 #ifndef AFS_DARWIN80_ENV
1219 #ifndef AFS_DARWIN80_ENV
1220 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1228 struct VOPPROT(link_args) /* {
1229 * struct vnode *a_vp;
1230 * struct vnode *a_tdvp;
1231 * struct componentname *a_cnp;
1235 register struct vnode *dvp = ap->a_tdvp;
1236 register struct vnode *vp = ap->a_vp;
1241 if (vnode_isdir(vp)) {
1242 VOP_ABORTOP(vp, cnp);
1246 #ifndef AFS_DARWIN80_ENV
1247 if (error = vn_lock(vp, LK_EXCLUSIVE, p)) {
1248 VOP_ABORTOP(dvp, cnp);
1253 error = afs_link(VTOAFS(vp), VTOAFS(dvp), name, vop_cn_cred);
1255 #ifndef AFS_DARWIN80_ENV
1256 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1258 #ifndef AFS_DARWIN80_ENV
1260 VOP_UNLOCK(vp, 0, p);
1263 #ifndef AFS_DARWIN80_ENV
1272 struct VOPPROT(rename_args) /* {
1273 * struct vnode *a_fdvp;
1274 * struct vnode *a_fvp;
1275 * struct componentname *a_fcnp;
1276 * struct vnode *a_tdvp;
1277 * struct vnode *a_tvp;
1278 * struct componentname *a_tcnp;
1282 struct componentname *fcnp = ap->a_fcnp;
1284 struct componentname *tcnp = ap->a_tcnp;
1286 struct vnode *tvp = ap->a_tvp;
1287 register struct vnode *tdvp = ap->a_tdvp;
1288 struct vnode *fvp = ap->a_fvp;
1289 register struct vnode *fdvp = ap->a_fdvp;
1294 #ifdef AFS_DARWIN80_ENV
1296 * generic code tests for v_mount equality, so we don't have to, but we
1297 * don't get the multiple-mount "benefits" of the old behavior
1298 * the generic code doesn't do this, so we really should, but all the
1299 * vrele's are wrong...
1302 /* Check for cross-device rename.
1303 * For AFS, this means anything not in AFS-space
1305 if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
1306 (tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
1312 * if fvp == tvp, we're just removing one name of a pair of
1313 * directory entries for the same element. convert call into rename.
1314 ( (pinched from NetBSD 1.0's ufs_rename())
1317 if (vnode_isdir(fvp)) {
1320 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */
1327 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */
1333 /* Release destination completely. */
1334 VOP_ABORTOP(tdvp, tcnp);
1337 /* Delete source. */
1340 fcnp->cn_flags &= ~MODMASK;
1341 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
1342 if ((fcnp->cn_flags & SAVESTART) == 0)
1343 panic("afs_rename: lost from startdir");
1344 fcnp->cn_nameiop = DELETE;
1347 error=relookup(fdvp, &fvp, fcnp);
1353 error=VOP_REMOVE(fdvp, fvp, fcnp);
1362 if (error = vn_lock(fvp, LK_EXCLUSIVE, p))
1366 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1367 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1368 fname[fcnp->cn_namelen] = '\0';
1369 MALLOC(tname, char *, tcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1370 memcpy(tname, tcnp->cn_nameptr, tcnp->cn_namelen);
1371 tname[tcnp->cn_namelen] = '\0';
1375 /* XXX use "from" or "to" creds? NFS uses "to" creds */
1377 afs_rename(VTOAFS(fdvp), fname, VTOAFS(tdvp), tname, cn_cred(tcnp));
1379 #if !defined(AFS_DARWIN80_ENV)
1381 VOP_UNLOCK(fvp, 0, p);
1383 goto abortit; /* XXX */
1393 if (error == EXDEV) {
1394 struct brequest *tb;
1395 struct afs_uspc_param mvReq;
1397 struct vcache *fvc = VTOAFS(fdvp);
1399 struct afs_fakestat_state fakestate;
1400 int fakestatdone = 0;
1404 /* unrewritten mount point? */
1405 if (tvc->mvstat == 1) {
1406 if (tvc->mvid && (tvc->f.states & CMValid)) {
1407 struct vrequest treq;
1409 afs_InitFakeStat(&fakestate);
1410 code = afs_InitReq(&treq, vop_cred);
1413 code = afs_EvalFakeStat(&tvc, &fakestate, &treq);
1415 afs_PutFakeStat(&fakestate);
1420 /* at some point in the future we should allow other types */
1421 mvReq.reqtype = AFS_USPC_UMV;
1422 mvReq.req.umv.id = afs_cr_uid(cn_cred(tcnp));
1423 mvReq.req.umv.idtype = IDTYPE_UID;
1424 mvReq.req.umv.sCell = fvc->f.fid.Cell;
1425 mvReq.req.umv.sVolume = fvc->f.fid.Fid.Volume;
1426 mvReq.req.umv.sVnode = fvc->f.fid.Fid.Vnode;
1427 mvReq.req.umv.sUnique = fvc->f.fid.Fid.Unique;
1428 mvReq.req.umv.dCell = tvc->f.fid.Cell;
1429 mvReq.req.umv.dVolume = tvc->f.fid.Fid.Volume;
1430 mvReq.req.umv.dVnode = tvc->f.fid.Fid.Vnode;
1431 mvReq.req.umv.dUnique = tvc->f.fid.Fid.Unique;
1434 * su %d -c mv /afs/.:mount/%d:%d:%d:%d/%s
1435 * /afs/.:mount/%d:%d:%d:%d/%s where:
1436 * mvReq.req.umv.id, fvc->f.fid.Cell, fvc->f.fid.Fid.Volume,
1437 * fvc->f.fid.Fid.Vnode, fvc->f.fid.Fid.Unique, fname,
1438 * tvc->f.fid.Cell, tvc->f.fid.Fid.Volume, tvc->f.fid.Fid.Vnode,
1439 * tvc->f.fid.Fid.Unique, tname
1442 tb = afs_BQueue(BOP_MOVE, NULL, 0, 1, cn_cred(tcnp),
1443 0L, 0L, &mvReq, fname, tname);
1444 /* wait to collect result */
1445 while ((tb->flags & BUVALID) == 0) {
1446 tb->flags |= BUWAIT;
1449 /* if we succeeded, clear the error. otherwise, EXDEV */
1450 if (mvReq.retval == 0)
1457 afs_PutFakeStat(&fakestate);
1471 cache_enter(tdvp, fvp, tcnp);
1473 FREE(fname, M_TEMP);
1474 FREE(tname, M_TEMP);
1480 struct VOPPROT(mkdir_args) /* {
1481 * struct vnode *a_dvp;
1482 * struct vnode **a_vpp;
1483 * struct componentname *a_cnp;
1484 * struct vattr *a_vap;
1487 register struct vnode *dvp = ap->a_dvp;
1488 register struct vattr *vap = ap->a_vap;
1495 #if defined(DIAGNOSTIC) && !defined(AFS_DARWIN80_ENV)
1496 if ((cnp->cn_flags & HASBUF) == 0)
1497 panic("afs_vop_mkdir: no name");
1500 error = afs_mkdir(VTOAFS(dvp), name, vap, &vcp, vop_cn_cred);
1503 #ifndef AFS_DARWIN80_ENV
1504 VOP_ABORTOP(dvp, cnp);
1511 #ifdef AFS_DARWIN80_ENV
1512 afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0, 0);
1514 *ap->a_vpp = AFSTOV(vcp);
1515 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
1516 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
1517 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
1522 #ifndef AFS_DARWIN80_ENV
1523 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1531 struct VOPPROT(rmdir_args) /* {
1532 * struct vnode *a_dvp;
1533 * struct vnode *a_vp;
1534 * struct componentname *a_cnp;
1538 register struct vnode *vp = ap->a_vp;
1539 register struct vnode *dvp = ap->a_dvp;
1543 #ifndef AFS_DARWIN80_ENV
1546 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1553 error = afs_rmdir(VTOAFS(dvp), name, vop_cn_cred);
1558 #ifndef AFS_DARWIN80_ENV
1567 struct VOPPROT(symlink_args) /* {
1568 * struct vnode *a_dvp;
1569 * struct vnode **a_vpp;
1570 * struct componentname *a_cnp;
1571 * struct vattr *a_vap;
1575 register struct vnode *dvp = ap->a_dvp;
1577 /* NFS ignores a_vpp; so do we. */
1582 afs_symlink(VTOAFS(dvp), name, ap->a_vap, ap->a_target, vop_cn_cred);
1585 #ifndef AFS_DARWIN80_ENV
1586 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1594 struct VOPPROT(readdir_args) /* {
1595 * struct vnode *a_vp;
1596 * struct uio *a_uio;
1597 * struct ucred *a_cred;
1599 * u_long *a_cookies;
1605 /* printf("readdir %x cookies %x ncookies %d\n", ap->a_vp, ap->a_cookies,
1607 #ifdef AFS_DARWIN80_ENV
1608 /* too much work for now */
1609 /* should only break nfs exports */
1610 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
1613 off = AFS_UIO_OFFSET(ap->a_uio);
1616 afs_readdir(VTOAFS(ap->a_vp), ap->a_uio, vop_cred, ap->a_eofflag);
1618 #ifndef AFS_DARWIN80_ENV
1619 if (!error && ap->a_ncookies != NULL) {
1620 struct uio *uio = ap->a_uio;
1621 const struct dirent *dp, *dp_start, *dp_end;
1623 u_long *cookies, *cookiep;
1625 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1626 panic("afs_readdir: burned cookies");
1627 dp = (const struct dirent *)
1628 ((const char *)uio->uio_iov->iov_base - (uio->uio_offset - off));
1630 dp_end = (const struct dirent *)uio->uio_iov->iov_base;
1631 for (dp_start = dp, ncookies = 0; dp < dp_end;
1632 dp = (const struct dirent *)((const char *)dp + dp->d_reclen))
1635 MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
1637 for (dp = dp_start, cookiep = cookies; dp < dp_end;
1638 dp = (const struct dirent *)((const char *)dp + dp->d_reclen)) {
1639 off += dp->d_reclen;
1642 *ap->a_cookies = cookies;
1643 *ap->a_ncookies = ncookies;
1651 afs_vop_readlink(ap)
1652 struct VOPPROT(readlink_args) /* {
1653 * struct vnode *a_vp;
1654 * struct uio *a_uio;
1655 * struct ucred *a_cred;
1659 /* printf("readlink %x\n", ap->a_vp);*/
1661 error = afs_readlink(VTOAFS(ap->a_vp), ap->a_uio, vop_cred);
1666 extern int prtactive;
1669 afs_vop_inactive(ap)
1670 struct VOPPROT(inactive_args) /* {
1671 * struct vnode *a_vp;
1675 register struct vnode *vp = ap->a_vp;
1676 struct vcache *tvc = VTOAFS(vp);
1677 #ifndef AFS_DARWIN80_ENV
1678 if (prtactive && vp->v_usecount != 0)
1679 vprint("afs_vop_inactive(): pushing active", vp);
1682 #ifdef AFS_DARWIN80_ENV
1683 int unlinked = tvc->f.states & CUnlinked;
1686 afs_InactiveVCache(tvc, 0); /* decrs ref counts */
1688 #ifdef AFS_DARWIN80_ENV
1695 #ifndef AFS_DARWIN80_ENV
1696 VOP_UNLOCK(vp, 0, ap->a_p);
1703 struct VOPPROT(reclaim_args) /* {
1704 * struct vnode *a_vp;
1708 int sl, writelocked;
1709 register struct vnode *vp = ap->a_vp;
1710 struct vcache *tvc = VTOAFS(vp);
1712 osi_Assert(!ISAFS_GLOCK());
1713 cache_purge(vp); /* just in case... */
1716 writelocked = (0 == NBObtainWriteLock(&afs_xvcache, 335));
1718 ObtainWriteLock(&afs_xvreclaim, 176);
1719 #ifdef AFS_DARWIN80_ENV
1720 vnode_clearfsnode(AFSTOV(tvc));
1721 vnode_removefsref(AFSTOV(tvc));
1723 tvc->v->v_data = NULL; /* remove from vnode */
1725 AFSTOV(tvc) = NULL; /* also drop the ptr to vnode */
1726 tvc->f.states |= CVInit; /* also CDeadVnode? */
1727 tvc->nextfree = ReclaimedVCList;
1728 ReclaimedVCList = tvc;
1729 ReleaseWriteLock(&afs_xvreclaim);
1731 error = afs_FlushVCache(tvc, &sl); /* toss our stuff from vnode */
1732 if (tvc->f.states & (CVInit
1733 #ifdef AFS_DARWIN80_ENV
1737 tvc->f.states &= ~(CVInit
1738 #ifdef AFS_DARWIN80_ENV
1742 afs_osi_Wakeup(&tvc->f.states);
1744 if (!error && vnode_fsnode(vp))
1745 panic("afs_reclaim: vnode not cleaned");
1746 if (!error && (tvc->v != NULL))
1747 panic("afs_reclaim: vcache not cleaned");
1748 ReleaseWriteLock(&afs_xvcache);
1756 * Return POSIX pathconf information applicable to ufs filesystems.
1758 afs_vop_pathconf(ap)
1759 struct VOPPROT(pathconf_args) /* {
1760 * struct vnode *a_vp;
1765 AFS_STATCNT(afs_cntl);
1766 switch (ap->a_name) {
1768 *ap->a_retval = LINK_MAX;
1771 *ap->a_retval = NAME_MAX;
1774 *ap->a_retval = PATH_MAX;
1776 case _PC_CHOWN_RESTRICTED:
1785 case _PC_NAME_CHARS_MAX:
1786 *ap->a_retval = NAME_MAX;
1788 case _PC_CASE_SENSITIVE:
1791 case _PC_CASE_PRESERVING:
1801 * Advisory record locking support (fcntl() POSIX style)
1805 struct VOPPROT(advlock_args) /* {
1806 * struct vnode *a_vp;
1809 * struct flock *a_fl;
1817 #ifdef AFS_DARWIN80_ENV
1821 struct proc *p = current_proc();
1824 cr = *p->p_cred->pc_ucred;
1828 if (ap->a_flags & F_POSIX) {
1829 #ifdef AFS_DARWIN80_ENV
1830 p = (proc_t) ap->a_id;
1833 p = (struct proc *) ap->a_id;
1837 clid = (int)ap->a_id;
1839 if (ap->a_op == F_UNLCK) {
1841 } else if (ap->a_op == F_SETLK && ap->a_flags & F_WAIT) {
1847 error = afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, op, tcr, clid);
1853 afs_vop_blktooff(ap)
1854 struct VOPPROT(blktooff_args) /* {
1855 * struct vnode *a_vp;
1860 *ap->a_offset = (off_t) (ap->a_lblkno * DEV_BSIZE);
1865 afs_vop_offtoblk(ap)
1866 struct VOPPROT(offtoblk_args) /* {
1867 * struct vnode *a_vp;
1869 * daddr_t *a_lblkno;
1872 *ap->a_lblkno = (daddr_t) (ap->a_offset / DEV_BSIZE);
1877 #ifndef AFS_DARWIN80_ENV
1880 struct VOPPROT(lock_args) /* {
1881 * struct vnode *a_vp;
1884 register struct vnode *vp = ap->a_vp;
1885 register struct vcache *avc = VTOAFS(vp);
1887 if (vp->v_tag == VT_NON)
1890 return (lockmgr(&avc->rwlock, ap->a_flags, &vp->v_interlock, ap->a_p));
1895 struct VOPPROT(unlock_args) /* {
1896 * struct vnode *a_vp;
1899 struct vnode *vp = ap->a_vp;
1900 struct vcache *avc = VTOAFS(vp);
1903 (&avc->rwlock, ap->a_flags | LK_RELEASE, &vp->v_interlock,
1909 afs_vop_truncate(ap)
1910 struct VOPPROT(truncate_args) /* {
1911 * struct vnode *a_vp;
1914 * struct ucred *a_cred;
1918 /* printf("stray afs_vop_truncate\n"); */
1924 struct VOPPROT(update_args) /* {
1925 * struct vnode *a_vp;
1926 * struct timeval *a_access;
1927 * struct timeval *a_modify;
1931 /* printf("stray afs_vop_update\n"); */
1937 struct VOPPROT(bmap_args) /* {
1938 * struct vnode *a_vp;
1940 * struct vnode **a_vpp;
1948 *ap->a_bnp = ap->a_bn * (PAGE_SIZE / DEV_BSIZE);
1951 *ap->a_vpp = ap->a_vp;
1953 if (ap->a_runp != NULL)
1956 if (ap->a_runb != NULL)
1964 afs_vop_strategy(ap)
1965 struct VOPPROT(strategy_args) /* {
1971 error = afs_ustrategy(ap->a_bp);
1978 struct VOPPROT(print_args) /* {
1979 * struct vnode *a_vp;
1982 register struct vnode *vp = ap->a_vp;
1983 register struct vcache *vc = VTOAFS(ap->a_vp);
1984 int s = vc->f.states;
1985 printf("tag %d, fid: %ld.%x.%x.%x, opens %d, writers %d", vp->v_tag,
1986 vc->f.fid.Cell, vc->f.fid.Fid.Volume, vc->f.fid.Fid.Vnode,
1987 vc->f.fid.Fid.Unique, vc->opens, vc->execsOrWriters);
1988 printf("\n states%s%s%s%s%s", (s & CStatd) ? " statd" : "",
1989 (s & CRO) ? " readonly" : "", (s & CDirty) ? " dirty" : "",
1990 (s & CMAPPED) ? " mapped" : "",
1991 (s & CVFlushed) ? " flush in progress" : "");
1992 if (UBCISVALID(vp)) {
1994 if (UBCINFOEXISTS(vp)) {
1996 printf("refs %d%s%s", vp->v_ubcinfo->ui_refcount,
1997 ubc_issetflags(vp, UI_HASOBJREF) ? " HASOBJREF" : "",
1998 ubc_issetflags(vp, UI_WASMAPPED) ? " WASMAPPED" : "");
2000 printf("does not exist");
2007 afs_vop_islocked(ap)
2008 struct VOPPROT(islocked_args) /* {
2009 * struct vnode *a_vp;
2012 struct vcache *vc = VTOAFS(ap->a_vp);
2013 return lockstatus(&vc->rwlock);
2018 struct VOPPROT(cmap_args) /* {
2019 * struct vnode *a_vp;
2027 *ap->a_bpn = (daddr_t) (ap->a_foffset / DEV_BSIZE);
2028 *ap->a_run = MAX(ap->a_size, AFS_CHUNKSIZE(ap->a_foffset));
2034 afs_darwin_getnewvnode(struct vcache *avc, int recycle)
2036 #ifdef AFS_DARWIN80_ENV
2039 struct vnode_fsparam par;
2041 memset(&par, 0, sizeof(struct vnode_fsparam));
2042 par.vnfs_vtype = VNON;
2043 par.vnfs_vops = afs_dead_vnodeop_p;
2044 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
2045 par.vnfs_mp = afs_globalVFS;
2046 par.vnfs_fsnode = avc;
2048 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &vp);
2054 vnode_recycle(vp); /* terminate as soon as iocount drops */
2055 avc->f.states |= CDeadVnode;
2059 while (getnewvnode(VT_AFS, afs_globalVFS, afs_vnodeop_p, &avc->v)) {
2060 /* no vnodes available, force an alloc (limits be damned)! */
2061 printf("failed to get vnode\n");
2063 avc->v->v_data = (void *)avc;
2067 #ifdef AFS_DARWIN80_ENV
2068 /* if this fails, then tvc has been unrefed and may have been freed.
2071 afs_darwin_finalizevnode(struct vcache *avc, struct vnode *dvp, struct componentname *cnp, int isroot, int locked)
2076 struct vnode_fsparam par;
2079 ObtainWriteLock(&avc->lock,325);
2082 if (!(avc->f.states & CDeadVnode) && vnode_vtype(ovp) != VNON) {
2084 #if 0 /* unsupported */
2086 vnode_update_identity(ovp, dvp, cnp->cn_nameptr, cnp->cn_namelen,
2088 VNODE_UPDATE_PARENT|VNODE_UPDATE_NAME);
2090 /* Can end up in reclaim... drop GLOCK */
2094 ReleaseWriteLock(&avc->lock);
2099 if ((avc->f.states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2100 panic("vcache %p should not be CDeadVnode", avc);
2102 memset(&par, 0, sizeof(struct vnode_fsparam));
2103 par.vnfs_mp = afs_globalVFS;
2104 par.vnfs_vtype = avc->f.m.Type;
2105 par.vnfs_vops = afs_vnodeop_p;
2106 par.vnfs_filesize = avc->f.m.Length;
2107 par.vnfs_fsnode = avc;
2109 if (cnp && (cnp->cn_flags & ISDOTDOT) == 0)
2111 if (!dvp || !cnp || (cnp->cn_flags & MAKEENTRY) == 0)
2112 par.vnfs_flags = VNFS_NOCACHE;
2114 par.vnfs_markroot = 1;
2115 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &nvp);
2117 vnode_addfsref(nvp);
2118 if ((avc->f.states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2119 printf("vcache %p should not be CDeadVnode", avc);
2120 if (avc->v == ovp) {
2121 if (avc->f.states & CBulkFetching) {
2124 if (!(avc->f.states & CVInit)) {
2125 vnode_clearfsnode(ovp);
2126 vnode_removefsref(ovp);
2130 avc->f.states &=~ CDeadVnode;
2136 ReleaseWriteLock(&avc->lock);
2138 afs_osi_Wakeup(&avc->f.states);