2 * Portions Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
10 #include <afs/sysincludes.h> /* Standard vendor system headers */
11 #include <afsincludes.h> /* Afs-based standard headers */
12 #include <afs/afs_stats.h> /* statistics */
13 #include <sys/malloc.h>
14 #include <sys/namei.h>
16 #if defined(AFS_DARWIN70_ENV)
17 #include <vfs/vfs_support.h>
18 #endif /* defined(AFS_DARWIN70_ENV) */
19 #ifdef AFS_DARWIN80_ENV
20 #include <sys/vnode_if.h>
21 #include <sys/kauth.h>
24 #ifdef AFS_DARWIN80_ENV
25 #define VOPPREF(x) &vnop_ ## x
26 #define VOPPROT(x) vnop_ ## x
27 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
28 ubc_upl_abort_range((pl), (offset), (size), (flags))
29 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
30 ubc_upl_commit_range((pl), (offset), (size), (flags))
31 #define OSI_UPL_MAP(upl, offset) ubc_upl_map((upl), (offset))
32 #define OSI_UPL_UNMAP(upl) ubc_upl_unmap((upl))
33 #define VOP_ABORTOP(x, y)
35 #define VOPPREF(x) &vop_ ## x
36 #define VOPPROT(x) vop_ ## x
37 #define OSI_UPL_ABORT_RANGE(pl, offset, size, flags) \
38 kernel_upl_abort_range((pl), (offset), (size), (flags))
39 #define OSI_UPL_COMMIT_RANGE(pl, offset, size, flags) \
40 kernel_upl_commit_range((pl), (offset), (size), (flags), \
41 UPL_GET_INTERNAL_PAGE_LIST((pl)),\
43 #define OSI_UPL_MAP(upl, offset) kernel_upl_map(kernel_map, (upl), (offset))
44 #define OSI_UPL_UNMAP(upl) kernel_upl_unmap(kernel_map, (upl))
47 extern char afs_zeros[AFS_ZEROS];
49 int afs_vop_lookup(struct VOPPROT(lookup_args) *);
50 int afs_vop_create(struct VOPPROT(create_args) *);
51 int afs_vop_mknod(struct VOPPROT(mknod_args) *);
52 int afs_vop_open(struct VOPPROT(open_args) *);
53 int afs_vop_close(struct VOPPROT(close_args) *);
54 int afs_vop_access(struct VOPPROT(access_args) *);
55 int afs_vop_getattr(struct VOPPROT(getattr_args) *);
56 int afs_vop_setattr(struct VOPPROT(setattr_args) *);
57 int afs_vop_read(struct VOPPROT(read_args) *);
58 int afs_vop_write(struct VOPPROT(write_args) *);
59 int afs_vop_pagein(struct VOPPROT(pagein_args) *);
60 int afs_vop_pageout(struct VOPPROT(pageout_args) *);
61 int afs_vop_ioctl(struct VOPPROT(ioctl_args) *);
62 int afs_vop_select(struct VOPPROT(select_args) *);
63 int afs_vop_mmap(struct VOPPROT(mmap_args) *);
64 int afs_vop_fsync(struct VOPPROT(fsync_args) *);
65 int afs_vop_remove(struct VOPPROT(remove_args) *);
66 int afs_vop_link(struct VOPPROT(link_args) *);
67 int afs_vop_rename(struct VOPPROT(rename_args) *);
68 int afs_vop_mkdir(struct VOPPROT(mkdir_args) *);
69 int afs_vop_rmdir(struct VOPPROT(rmdir_args) *);
70 int afs_vop_symlink(struct VOPPROT(symlink_args) *);
71 int afs_vop_readdir(struct VOPPROT(readdir_args) *);
72 int afs_vop_readlink(struct VOPPROT(readlink_args) *);
73 #if !defined(AFS_DARWIN70_ENV)
74 extern int ufs_abortop(struct vop_abortop_args *);
75 #endif /* !defined(AFS_DARWIN70_ENV) */
76 int afs_vop_inactive(struct VOPPROT(inactive_args) *);
77 int afs_vop_reclaim(struct VOPPROT(reclaim_args) *);
78 int afs_vop_strategy(struct VOPPROT(strategy_args) *);
79 int afs_vop_pathconf(struct VOPPROT(pathconf_args) *);
80 int afs_vop_advlock(struct VOPPROT(advlock_args) *);
81 int afs_vop_blktooff __P((struct VOPPROT(blktooff_args) *));
82 int afs_vop_offtoblk __P((struct VOPPROT(offtoblk_args) *));
83 #ifndef AFS_DARWIN80_ENV
84 int afs_vop_truncate(struct VOPPROT(truncate_args) *);
85 int afs_vop_update(struct VOPPROT(update_args) *);
86 int afs_vop_lock(struct VOPPROT(lock_args) *);
87 int afs_vop_unlock(struct VOPPROT(unlock_args) *);
88 int afs_vop_bmap(struct VOPPROT(bmap_args) *);
89 int afs_vop_seek(struct VOPPROT(seek_args) *);
90 int afs_vop_cmap __P((struct VOPPROT(cmap_args) *));
91 int afs_vop_print(struct VOPPROT(print_args) *);
92 int afs_vop_islocked(struct VOPPROT(islocked_args) *);
95 #define afs_vop_opnotsupp \
96 ((int (*) __P((struct vop_reallocblks_args *)))eopnotsupp)
97 #define afs_vop_valloc afs_vop_opnotsupp
98 #define afs_vop_vfree afs_vop_opnotsupp
99 #define afs_vop_blkatoff afs_vop_opnotsupp
100 #define afs_vop_reallocblks afs_vop_opnotsupp
102 /* Global vfs data structures for AFS. */
103 int (**afs_vnodeop_p) ();
105 #define VOPFUNC int (*)(void *)
107 struct vnodeopv_entry_desc afs_vnodeop_entries[] = {
108 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
109 {VOPPREF(lookup_desc), (VOPFUNC)afs_vop_lookup}, /* lookup */
110 {VOPPREF(create_desc), (VOPFUNC)afs_vop_create}, /* create */
111 {VOPPREF(mknod_desc), (VOPFUNC)afs_vop_mknod}, /* mknod */
112 {VOPPREF(open_desc), (VOPFUNC)afs_vop_open}, /* open */
113 {VOPPREF(close_desc), (VOPFUNC)afs_vop_close}, /* close */
114 {VOPPREF(access_desc), (VOPFUNC)afs_vop_access}, /* access */
115 {VOPPREF(getattr_desc), (VOPFUNC)afs_vop_getattr}, /* getattr */
116 {VOPPREF(setattr_desc), (VOPFUNC)afs_vop_setattr}, /* setattr */
117 {VOPPREF(read_desc), (VOPFUNC)afs_vop_read}, /* read */
118 {VOPPREF(write_desc), (VOPFUNC)afs_vop_write}, /* write */
119 {VOPPREF(pagein_desc), (VOPFUNC)afs_vop_pagein}, /* read */
120 {VOPPREF(pageout_desc), (VOPFUNC)afs_vop_pageout}, /* write */
121 {VOPPREF(ioctl_desc), (VOPFUNC)afs_vop_ioctl}, /* XXX ioctl */
122 {VOPPREF(select_desc), (VOPFUNC)afs_vop_select}, /* select */
123 {VOPPREF(mmap_desc), (VOPFUNC)afs_vop_mmap}, /* mmap */
124 {VOPPREF(fsync_desc), (VOPFUNC)afs_vop_fsync}, /* fsync */
125 #ifndef AFS_DARWIN80_ENV
126 {VOPPREF(seek_desc), (VOPFUNC)afs_vop_seek}, /* seek */
128 {VOPPREF(remove_desc), (VOPFUNC)afs_vop_remove}, /* remove */
129 {VOPPREF(link_desc), (VOPFUNC)afs_vop_link}, /* link */
130 {VOPPREF(rename_desc), (VOPFUNC)afs_vop_rename}, /* rename */
131 {VOPPREF(mkdir_desc), (VOPFUNC)afs_vop_mkdir}, /* mkdir */
132 {VOPPREF(rmdir_desc), (VOPFUNC)afs_vop_rmdir}, /* rmdir */
133 {VOPPREF(symlink_desc), (VOPFUNC)afs_vop_symlink}, /* symlink */
134 {VOPPREF(readdir_desc), (VOPFUNC)afs_vop_readdir}, /* readdir */
135 {VOPPREF(readlink_desc), (VOPFUNC)afs_vop_readlink}, /* readlink */
136 #ifndef AFS_DARWIN80_ENV
137 #if defined(AFS_DARWIN70_ENV)
138 {VOPPREF(abortop_desc), (VOPFUNC)nop_abortop }, /* abortop */
139 #else /* ! defined(AFS_DARWIN70_ENV) */
140 /* Yes, we use the ufs_abortop call. It just releases the namei
142 {VOPPREF(abortop_desc), (VOPFUNC)ufs_abortop}, /* abortop */
143 #endif /* defined(AFS_DARWIN70_ENV) */
145 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
146 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
147 #ifndef AFS_DARWIN80_ENV
148 {VOPPREF(lock_desc), (VOPFUNC)afs_vop_lock}, /* lock */
149 {VOPPREF(unlock_desc), (VOPFUNC)afs_vop_unlock}, /* unlock */
150 {VOPPREF(bmap_desc), (VOPFUNC)afs_vop_bmap}, /* bmap */
152 #ifdef AFS_DARWIN80_ENV
153 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
155 {VOPPREF(strategy_desc), (VOPFUNC)afs_vop_strategy}, /* strategy */
157 #ifndef AFS_DARWIN80_ENV
158 {VOPPREF(print_desc), (VOPFUNC)afs_vop_print}, /* print */
159 {VOPPREF(islocked_desc), (VOPFUNC)afs_vop_islocked}, /* islocked */
161 {VOPPREF(pathconf_desc), (VOPFUNC)afs_vop_pathconf}, /* pathconf */
162 {VOPPREF(advlock_desc), (VOPFUNC)afs_vop_advlock}, /* advlock */
163 #ifndef AFS_DARWIN80_ENV
164 {VOPPREF(blkatoff_desc), (VOPFUNC)afs_vop_blkatoff}, /* blkatoff */
165 {VOPPREF(valloc_desc), (VOPFUNC)afs_vop_valloc}, /* valloc */
166 {VOPPREF(reallocblks_desc), (VOPFUNC)afs_vop_reallocblks}, /* reallocblks */
167 {VOPPREF(vfree_desc), (VOPFUNC)afs_vop_vfree}, /* vfree */
168 {VOPPREF(update_desc), (VOPFUNC)afs_vop_update}, /* update */
169 {VOPPREF(cmap_desc), (VOPFUNC)afs_vop_cmap}, /* cmap */
170 {VOPPREF(truncate_desc), (VOPFUNC)afs_vop_truncate}, /* truncate */
172 {VOPPREF(blktooff_desc), (VOPFUNC)afs_vop_blktooff}, /* blktooff */
173 {VOPPREF(offtoblk_desc), (VOPFUNC)afs_vop_offtoblk}, /* offtoblk */
174 {VOPPREF(bwrite_desc), (VOPFUNC)vn_bwrite},
175 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
177 struct vnodeopv_desc afs_vnodeop_opv_desc =
178 { &afs_vnodeop_p, afs_vnodeop_entries };
180 #ifdef AFS_DARWIN80_ENV
181 /* vfs structures for incompletely initialized vnodes */
182 int (**afs_dead_vnodeop_p) ();
184 struct vnodeopv_entry_desc afs_dead_vnodeop_entries[] = {
185 {VOPPREF(default_desc), (VOPFUNC)vn_default_error},
186 {VOPPREF(lookup_desc), (VOPFUNC)vn_default_error}, /* lookup */
187 {VOPPREF(create_desc), (VOPFUNC)err_create}, /* create */
188 {VOPPREF(mknod_desc), (VOPFUNC)err_mknod}, /* mknod */
189 {VOPPREF(open_desc), (VOPFUNC)err_open}, /* open */
190 {VOPPREF(close_desc), (VOPFUNC)err_close}, /* close */
191 {VOPPREF(access_desc), (VOPFUNC)err_access}, /* access */
192 {VOPPREF(getattr_desc), (VOPFUNC)err_getattr}, /* getattr */
193 {VOPPREF(setattr_desc), (VOPFUNC)err_setattr}, /* setattr */
194 {VOPPREF(read_desc), (VOPFUNC)err_read}, /* read */
195 {VOPPREF(write_desc), (VOPFUNC)err_write}, /* write */
196 {VOPPREF(pagein_desc), (VOPFUNC)err_pagein}, /* read */
197 {VOPPREF(pageout_desc), (VOPFUNC)err_pageout}, /* write */
198 {VOPPREF(ioctl_desc), (VOPFUNC)err_ioctl}, /* XXX ioctl */
199 {VOPPREF(select_desc), (VOPFUNC)nop_select}, /* select */
200 {VOPPREF(mmap_desc), (VOPFUNC)err_mmap}, /* mmap */
201 {VOPPREF(fsync_desc), (VOPFUNC)err_fsync}, /* fsync */
202 {VOPPREF(remove_desc), (VOPFUNC)err_remove}, /* remove */
203 {VOPPREF(link_desc), (VOPFUNC)err_link}, /* link */
204 {VOPPREF(rename_desc), (VOPFUNC)err_rename}, /* rename */
205 {VOPPREF(mkdir_desc), (VOPFUNC)err_mkdir}, /* mkdir */
206 {VOPPREF(rmdir_desc), (VOPFUNC)err_rmdir}, /* rmdir */
207 {VOPPREF(symlink_desc), (VOPFUNC)err_symlink}, /* symlink */
208 {VOPPREF(readdir_desc), (VOPFUNC)err_readdir}, /* readdir */
209 {VOPPREF(readlink_desc), (VOPFUNC)err_readlink}, /* readlink */
210 {VOPPREF(inactive_desc), (VOPFUNC)afs_vop_inactive}, /* inactive */
211 {VOPPREF(reclaim_desc), (VOPFUNC)afs_vop_reclaim}, /* reclaim */
212 {VOPPREF(strategy_desc), (VOPFUNC)err_strategy}, /* strategy */
213 {VOPPREF(pathconf_desc), (VOPFUNC)err_pathconf}, /* pathconf */
214 {VOPPREF(advlock_desc), (VOPFUNC)err_advlock}, /* advlock */
215 {VOPPREF(blktooff_desc), (VOPFUNC)err_blktooff}, /* blktooff */
216 {VOPPREF(offtoblk_desc), (VOPFUNC)err_offtoblk}, /* offtoblk */
217 {VOPPREF(bwrite_desc), (VOPFUNC)err_bwrite},
218 {(struct vnodeop_desc *)NULL, (void (*)())NULL}
220 struct vnodeopv_desc afs_dead_vnodeop_opv_desc =
221 { &afs_dead_vnodeop_p, afs_dead_vnodeop_entries };
225 struct componentname *cnp = ap->a_cnp; \
227 MALLOC(name, char *, cnp->cn_namelen+1, M_TEMP, M_WAITOK); \
228 memcpy(name, cnp->cn_nameptr, cnp->cn_namelen); \
229 name[cnp->cn_namelen] = '\0'
231 #define DROPNAME() FREE(name, M_TEMP)
234 darwin_vn_hold(struct vnode *vp)
236 int haveGlock=ISAFS_GLOCK();
237 struct vcache *tvc = VTOAFS(vp);
239 #ifndef AFS_DARWIN80_ENV
240 tvc->states |= CUBCinit;
242 #ifdef AFS_DARWIN80_ENV
243 osi_Assert((tvc->states & CVInit) == 0);
244 if (tvc->states & CDeadVnode)
245 osi_Assert(!vnode_isinuse(vp, 1));
247 if (haveGlock) AFS_GUNLOCK();
249 #ifdef AFS_DARWIN80_ENV
251 /* being terminated. kernel won't give us a ref. Now what? our
252 callers don't expect us to fail */
254 panic("vn_hold on terminating vnode");
256 if (haveGlock) AFS_GLOCK();
262 panic("vn_hold on terminating vnode");
265 if (haveGlock) AFS_GLOCK();
271 /* vget needed for 0 ref'd vnode in GetVCache to not panic in vref.
272 vref needed for multiref'd vnode in vnop_remove not to deadlock
273 ourselves during vop_inactive, except we also need to not reinst
274 the ubc... so we just call VREF there now anyway. */
276 if (VREFCOUNT_GT(tvc, 0))
277 VREF(((struct vnode *)(vp)));
279 afs_vget(afs_globalVFS, 0, (vp));
282 #ifndef AFS_DARWIN80_ENV
283 if (UBCINFOMISSING(vp) || UBCINFORECLAIMED(vp)) {
288 if (haveGlock) AFS_GLOCK();
289 #ifndef AFS_DARWIN80_ENV
290 tvc->states &= ~CUBCinit;
295 struct VOPPROT(lookup_args)/* {
296 * struct vnodeop_desc * a_desc;
297 * struct vnode *a_dvp;
298 * struct vnode **a_vpp;
299 * struct componentname *a_cnp;
304 struct vnode *vp, *dvp;
305 register int flags = ap->a_cnp->cn_flags;
306 int lockparent; /* 1 => lockparent flag is set */
307 int wantparent; /* 1 => wantparent or lockparent flag */
309 #ifdef AFS_DARWIN80_ENV
310 vcp = VTOAFS(ap->a_dvp);
311 if (vcp->mvstat != 1) {
312 error = cache_lookup(ap->a_dvp, ap->a_vpp, ap->a_cnp);
323 lockparent = flags & LOCKPARENT;
324 wantparent = flags & (LOCKPARENT | WANTPARENT);
326 if (!vnode_isdir(ap->a_dvp)) {
332 #ifndef AFS_DARWIN80_ENV
333 if (flags & ISDOTDOT)
334 VOP_UNLOCK(dvp, 0, p);
337 error = afs_lookup(VTOAFS(dvp), name, &vcp, vop_cn_cred);
340 #ifndef AFS_DARWIN80_ENV
341 if (flags & ISDOTDOT)
342 VOP_LOCK(dvp, LK_EXCLUSIVE | LK_RETRY, p);
344 if ((cnp->cn_nameiop == CREATE || cnp->cn_nameiop == RENAME)
345 && (flags & ISLASTCN) && error == ENOENT)
347 #ifndef AFS_DARWIN80_ENV
348 if (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))
349 cnp->cn_flags |= SAVENAME;
355 #ifdef AFS_DARWIN80_ENV
356 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0))) {
362 vp = AFSTOV(vcp); /* always get a node if no error */
363 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
364 vp->v_vfsp = dvp->v_vfsp;
366 if (UBCINFOMISSING(vp) ||
367 UBCINFORECLAIMED(vp)) {
372 #ifndef AFS_DARWIN80_ENV
373 /* The parent directory comes in locked. We unlock it on return
374 * unless the caller wants it left locked.
375 * we also always return the vnode locked. */
377 if (flags & ISDOTDOT) {
378 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
379 /* always return the child locked */
380 if (lockparent && (flags & ISLASTCN)
381 && (error = vn_lock(dvp, LK_EXCLUSIVE, p))) {
386 } else if (vp == dvp) {
387 /* they're the same; afs_lookup() already ref'ed the leaf.
388 * It came in locked, so we don't need to ref OR lock it */
390 if (!lockparent || !(flags & ISLASTCN))
391 VOP_UNLOCK(dvp, 0, p); /* done with parent. */
392 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
393 /* always return the child locked */
398 #ifndef AFS_DARWIN80_ENV
399 if ((cnp->cn_nameiop == RENAME && wantparent && (flags & ISLASTCN)
400 || (cnp->cn_nameiop != LOOKUP && (flags & ISLASTCN))))
401 cnp->cn_flags |= SAVENAME;
410 struct VOPPROT(create_args) /* {
411 * struct vnode *a_dvp;
412 * struct vnode **a_vpp;
413 * struct componentname *a_cnp;
414 * struct vattr *a_vap;
419 register struct vnode *dvp = ap->a_dvp;
424 /* vnode layer handles excl/nonexcl */
427 afs_create(VTOAFS(dvp), name, ap->a_vap, NONEXCL, ap->a_vap->va_mode,
431 #ifndef AFS_DARWIN80_ENV
432 VOP_ABORTOP(dvp, cnp);
440 #ifdef AFS_DARWIN80_ENV
441 if ((error=afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0))) {
447 *ap->a_vpp = AFSTOV(vcp);
448 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
449 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
450 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
451 if (UBCINFOMISSING(*ap->a_vpp) || UBCINFORECLAIMED(*ap->a_vpp)) {
452 vcp->states |= CUBCinit;
453 ubc_info_init(*ap->a_vpp);
454 vcp->states &= ~CUBCinit;
460 #ifndef AFS_DARWIN80_ENV
461 if ((cnp->cn_flags & SAVESTART) == 0)
462 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
471 struct VOPPROT(mknod_args) /* {
472 * struct vnode *a_dvp;
473 * struct vnode **a_vpp;
474 * struct componentname *a_cnp;
475 * struct vattr *a_vap;
478 #ifndef AFS_DARWIN80_ENV
479 FREE_ZONE(ap->a_cnp->cn_pnbuf, ap->a_cnp->cn_pnlen, M_NAMEI);
487 struct VOPPROT(open_args) /* {
488 * struct vnode *a_vp;
490 * struct ucred *a_cred;
495 struct vnode *vp = ap->a_vp;
496 struct vcache *vc = VTOAFS(vp);
497 #if defined(AFS_DARWIN14_ENV) && !defined(AFS_DARWIN80_ENV)
499 /*----------------------------------------------------------------
500 * osi_VM_TryReclaim() removes the ubcinfo of a vnode, but that vnode
501 * can later be passed to vn_open(), which will skip the call to
502 * ubc_hold(), and when the ubcinfo is later added, the ui_refcount
503 * will be off. So we compensate by calling ubc_hold() ourselves
504 * when ui_refcount is less than 2. If an error occurs in afs_open()
505 * we must call ubc_rele(), which is what vn_open() would do if it
506 * was able to call ubc_hold() in the first place.
507 *----------------------------------------------------------------*/
508 if (vp->v_type == VREG && !(vp->v_flag & VSYSTEM)
509 && vp->v_ubcinfo->ui_refcount < 2)
510 didhold = ubc_hold(vp);
511 #endif /* AFS_DARWIN14_ENV */
513 error = afs_open(&vc, ap->a_mode, vop_cred);
515 if (AFSTOV(vc) != vp)
516 panic("AFS open changed vnode!");
518 osi_FlushPages(vc, vop_cred);
520 #if defined(AFS_DARWIN14_ENV) && !defined(AFS_DARWIN80_ENV)
521 if (error && didhold)
523 #endif /* AFS_DARWIN14_ENV */
529 struct VOPPROT(close_args) /* {
530 * struct vnode *a_vp;
532 * struct ucred *a_cred;
537 struct vnode *vp = ap->a_vp;
538 struct vcache *avc = VTOAFS(vp);
541 code = afs_close(avc, ap->a_fflag, vop_cred, vop_proc);
543 code = afs_close(avc, ap->a_fflag, &afs_osi_cred, vop_proc);
544 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
545 /* This is legit; it just forces the fstrace event to happen */
546 code = afs_CheckCode(code, NULL, 60);
552 #ifdef AFS_DARWIN80_ENV
553 extern int afs_fakestat_enable;
557 struct VOPPROT(access_args) /* {
558 * struct vnode *a_vp;
560 * vfs_context_t a_context;
564 struct vrequest treq;
565 struct afs_fakestat_state fakestate;
566 struct vcache * tvc = VTOAFS(ap->a_vp);
568 int cmb = CHECK_MODE_BITS;
570 afs_InitFakeStat(&fakestate);
571 if ((code = afs_InitReq(&treq, vop_cred)))
574 code = afs_TryEvalFakeStat(&tvc, &fakestate, &treq);
576 code = afs_CheckCode(code, &treq, 55);
580 code = afs_VerifyVCache(tvc, &treq);
582 code = afs_CheckCode(code, &treq, 56);
585 if (afs_fakestat_enable && tvc->mvstat && !(tvc->states & CStatd)) {
589 if (vnode_isdir(ap->a_vp)) {
590 if (ap->a_action & KAUTH_VNODE_LIST_DIRECTORY)
591 bits |= PRSFS_LOOKUP;
592 if (ap->a_action & KAUTH_VNODE_ADD_FILE)
593 bits |= PRSFS_INSERT;
594 if (ap->a_action & KAUTH_VNODE_SEARCH)
595 bits |= PRSFS_LOOKUP;
596 if (ap->a_action & KAUTH_VNODE_DELETE)
597 bits |= PRSFS_DELETE;
598 if (ap->a_action & KAUTH_VNODE_ADD_SUBDIRECTORY)
599 bits |= PRSFS_INSERT;
600 if (ap->a_action & KAUTH_VNODE_DELETE_CHILD)
601 bits |= PRSFS_DELETE;
602 #if 0 /* I'd argue this should be enforced on the parent. But that's ugly */
603 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
604 bits |= PRSFS_LOOKUP;
605 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
606 bits |= PRSFS_LOOKUP;
609 if (ap->a_action & KAUTH_VNODE_READ_DATA)
611 if (ap->a_action & KAUTH_VNODE_WRITE_DATA)
613 if (ap->a_action & KAUTH_VNODE_EXECUTE)
614 bits |= PRSFS_READ; /* and mode bits.... */
615 if (ap->a_action & KAUTH_VNODE_READ_ATTRIBUTES)
616 bits |= PRSFS_LOOKUP;
617 if (ap->a_action & KAUTH_VNODE_READ_SECURITY) /* mode bits/gid, not afs acl */
618 bits |= PRSFS_LOOKUP;
619 if ((ap->a_action & ((1 << 25) - 1)) == KAUTH_VNODE_EXECUTE)
620 /* if only exec, don't check for read mode bit */
621 /* high bits of ap->a_action are not for 'generic rights bits', and
622 so should not be checked (KAUTH_VNODE_ACCESS is often present
623 and needs to be masked off) */
624 cmb |= CMB_ALLOW_EXEC_AS_READ;
626 if (ap->a_action & KAUTH_VNODE_WRITE_ATTRIBUTES)
628 #if 0 /* no extended attributes */
629 if (ap->a_action & KAUTH_VNODE_READ_EXTATTRIBUTES)
631 if (ap->a_action & KAUTH_VNODE_WRITE_EXTATTRIBUTES)
634 if (ap->a_action & KAUTH_VNODE_WRITE_SECURITY)
636 /* we can't check for KAUTH_VNODE_TAKE_OWNERSHIP, so we always permit it */
638 code = afs_AccessOK(tvc, bits, &treq, cmb);
639 #if defined(AFS_DARWIN80_ENV)
640 /* In a dropbox, cp on 10.4 behaves badly, looping on EACCES */
641 /* In a dropbox, Finder may reopen the file. Let it. */
642 if (code == 0 && ((bits &~(PRSFS_READ|PRSFS_WRITE)) == 0)) {
643 code = afs_AccessOK(tvc, PRSFS_ADMINISTER|PRSFS_INSERT|bits, &treq, cmb);
646 if (code == 1 && vnode_vtype(ap->a_vp) == VREG &&
647 ap->a_action & KAUTH_VNODE_EXECUTE &&
648 (tvc->m.Mode & 0100) != 0100) {
652 code= 0; /* if access is ok */
654 code = afs_CheckCode(EACCES, &treq, 57); /* failure code */
657 afs_PutFakeStat(&fakestate);
665 struct VOPPROT(access_args) /* {
666 * struct vnode *a_vp;
668 * struct ucred *a_cred;
674 code = afs_access(VTOAFS(ap->a_vp), ap->a_mode, vop_cred);
682 struct VOPPROT(getattr_args) /* {
683 * struct vnode *a_vp;
684 * struct vattr *a_vap;
685 * struct ucred *a_cred;
692 code = afs_getattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
693 /* This is legit; it just forces the fstrace event to happen */
694 code = afs_CheckCode(code, NULL, 58);
696 #ifdef AFS_DARWIN80_ENV
697 VATTR_SET_SUPPORTED(ap->a_vap, va_type);
698 VATTR_SET_SUPPORTED(ap->a_vap, va_mode);
699 VATTR_SET_SUPPORTED(ap->a_vap, va_uid);
700 VATTR_SET_SUPPORTED(ap->a_vap, va_gid);
701 VATTR_SET_SUPPORTED(ap->a_vap, va_fsid);
702 VATTR_SET_SUPPORTED(ap->a_vap, va_fileid);
703 VATTR_SET_SUPPORTED(ap->a_vap, va_nlink);
704 VATTR_SET_SUPPORTED(ap->a_vap, va_data_size);
705 VATTR_SET_SUPPORTED(ap->a_vap, va_access_time);
706 VATTR_SET_SUPPORTED(ap->a_vap, va_modify_time);
707 VATTR_SET_SUPPORTED(ap->a_vap, va_change_time);
708 VATTR_SET_SUPPORTED(ap->a_vap, va_gen);
709 VATTR_SET_SUPPORTED(ap->a_vap, va_flags);
710 VATTR_SET_SUPPORTED(ap->a_vap, va_iosize);
711 VATTR_SET_SUPPORTED(ap->a_vap, va_total_alloc);
718 struct VOPPROT(setattr_args) /* {
719 * struct vnode *a_vp;
720 * struct vattr *a_vap;
721 * struct ucred *a_cred;
727 code = afs_setattr(VTOAFS(ap->a_vp), ap->a_vap, vop_cred);
728 /* This is legit; it just forces the fstrace event to happen */
729 code = afs_CheckCode(code, NULL, 59);
736 struct VOPPROT(read_args) /* {
737 * struct vnode *a_vp;
740 * struct ucred *a_cred;
744 struct vnode *vp = ap->a_vp;
745 struct vcache *avc = VTOAFS(vp);
747 if (vnode_isdir(ap->a_vp))
749 #ifdef AFS_DARWIN80_ENV
750 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);
752 if (UBCINFOEXISTS(ap->a_vp)) {
753 ubc_clean(ap->a_vp, 0);
757 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
758 code = afs_read(avc, ap->a_uio, vop_cred, 0, 0, 0);
765 struct VOPPROT(pagein_args) /* {
766 * struct vnode *a_vp;
768 * vm_offset_t a_pl_offset;
771 * struct ucred *a_cred;
775 register struct vnode *vp = ap->a_vp;
777 size_t size = ap->a_size;
778 off_t f_offset = ap->a_f_offset;
779 vm_offset_t pl_offset = ap->a_pl_offset;
780 int flags = ap->a_flags;
783 #ifdef AFS_DARWIN80_ENV
788 struct uio *uio = &auio;
790 int nocommit = flags & UPL_NOCOMMIT;
793 struct vcache *tvc = VTOAFS(vp);
794 #ifndef AFS_DARWIN80_ENV
795 if (UBCINVALID(vp)) {
797 panic("afs_vop_pagein: invalid vp");
798 #endif /* DIAGNOSTIC */
802 UBCINFOCHECK("afs_vop_pagein", vp);
804 if (pl == (upl_t) NULL) {
805 panic("afs_vop_pagein: no upl");
808 cred = ubc_getcred(vp);
814 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
815 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
820 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
821 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
824 if (f_offset & PAGE_MASK)
825 panic("afs_vop_pagein: offset not page aligned");
827 OSI_UPL_MAP(pl, &ioaddr);
829 #ifdef AFS_DARWIN80_ENV
830 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
831 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
833 auio.uio_iov = &aiov;
835 auio.uio_offset = f_offset;
836 auio.uio_segflg = UIO_SYSSPACE;
837 auio.uio_rw = UIO_READ;
838 auio.uio_procp = NULL;
839 auio.uio_resid = aiov.iov_len = size;
840 aiov.iov_base = (caddr_t) ioaddr;
843 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
844 code = afs_read(tvc, uio, cred, 0, 0, 0);
846 ObtainWriteLock(&tvc->lock, 2);
847 tvc->states |= CMAPPED;
848 ReleaseWriteLock(&tvc->lock);
852 /* Zero out rest of last page if there wasn't enough data in the file */
853 if (code == 0 && AFS_UIO_RESID(uio) > 0) {
854 #ifdef AFS_DARWIN80_ENV
855 memset(((caddr_t)ioaddr) + (size - AFS_UIO_RESID(uio)), 0,
858 memset(aiov.iov_base, 0, auio.uio_resid);
865 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
866 UPL_ABORT_ERROR | UPL_ABORT_FREE_ON_EMPTY);
868 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
869 UPL_COMMIT_CLEAR_DIRTY |
870 UPL_COMMIT_FREE_ON_EMPTY);
872 #ifdef AFS_DARWIN80_ENV
880 struct VOPPROT(write_args) /* {
881 * struct vnode *a_vp;
884 * struct ucred *a_cred;
888 struct vcache *avc = VTOAFS(ap->a_vp);
890 #ifdef AFS_DARWIN80_ENV
891 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);
893 if (UBCINFOEXISTS(ap->a_vp)) {
894 ubc_clean(ap->a_vp, 1);
896 if (UBCINFOEXISTS(ap->a_vp))
897 osi_VM_NukePages(ap->a_vp, AFS_UIO_OFFSET(ap->a_uio),
898 AFS_UIO_RESID(ap->a_uio));
901 osi_FlushPages(avc, vop_cred); /* hold bozon lock, but not basic vnode lock */
903 afs_write(VTOAFS(ap->a_vp), ap->a_uio, ap->a_ioflag, vop_cred, 0);
910 struct VOPPROT(pageout_args) /* {
911 * struct vnode *a_vp;
913 * vm_offset_t a_pl_offset,
916 * struct ucred *a_cred,
920 register struct vnode *vp = ap->a_vp;
922 size_t size = ap->a_size;
923 off_t f_offset = ap->a_f_offset;
924 vm_offset_t pl_offset = ap->a_pl_offset;
925 int flags = ap->a_flags;
928 #ifdef AFS_DARWIN80_ENV
933 struct uio *uio = &auio;
935 int nocommit = flags & UPL_NOCOMMIT;
939 struct vcache *tvc = VTOAFS(vp);
940 #ifndef AFS_DARWIN80_ENV
941 if (UBCINVALID(vp)) {
943 panic("afs_vop_pageout: invalid vp");
944 #endif /* DIAGNOSTIC */
948 UBCINFOCHECK("afs_vop_pageout", vp);
950 if (pl == (upl_t) NULL) {
951 panic("afs_vop_pageout: no upl");
953 #if !defined(AFS_DARWIN80_ENV) /* XXX nfs now uses it's own bufs (struct nfsbuf)
955 layer doesn't have them anymore? In any case,
956 we can't just copy code from nfs... */
960 int biosize = DEV_BSIZE;
962 lbn = f_offset / DEV_BSIZE;
964 for (iosize = size; iosize > 0; iosize -= biosize, lbn++) {
967 if (bp = incore(vp, lbn)) {
968 if (ISSET(bp->b_flags, B_BUSY))
969 panic("nfs_pageout: found BUSY buffer incore\n");
972 SET(bp->b_flags, (B_BUSY | B_INVAL));
979 cred = ubc_getcred(vp);
985 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
986 UPL_ABORT_FREE_ON_EMPTY);
989 if (flags & (IO_APPEND | IO_SYNC))
990 panic("nfs_pageout: (IO_APPEND | IO_SYNC)");
993 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
994 UPL_ABORT_FREE_ON_EMPTY);
997 if (f_offset >= tvc->m.Length) {
999 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1000 UPL_ABORT_FREE_ON_EMPTY);
1004 if (f_offset & PAGE_MASK)
1005 panic("afs_vop_pageout: offset not page aligned");
1007 /* size will always be a multiple of PAGE_SIZE */
1008 /* pageout isn't supposed to extend files */
1009 if (f_offset + size > tvc->m.Length)
1010 iosize = tvc->m.Length - f_offset;
1014 if (size > (iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK && !nocommit) {
1015 int iosize_rnd=(iosize + (PAGE_SIZE - 1)) & ~PAGE_MASK;
1016 OSI_UPL_ABORT_RANGE(pl, pl_offset + iosize_rnd,
1018 UPL_ABORT_FREE_ON_EMPTY);
1020 OSI_UPL_MAP(pl, &ioaddr);
1021 ioaddr += pl_offset;
1022 #ifdef AFS_DARWIN80_ENV
1023 uio = uio_create(1, f_offset, UIO_SYSSPACE32, UIO_READ);
1024 uio_addiov(uio, CAST_USER_ADDR_T(ioaddr), size);
1026 auio.uio_iov = &aiov;
1027 auio.uio_iovcnt = 1;
1028 auio.uio_offset = f_offset;
1029 auio.uio_segflg = UIO_SYSSPACE;
1030 auio.uio_rw = UIO_WRITE;
1031 auio.uio_procp = NULL;
1032 auio.uio_resid = aiov.iov_len = iosize;
1033 aiov.iov_base = (caddr_t) ioaddr;
1038 * check for partial page and clear the
1039 * contents past end of the file before
1040 * releasing it in the VM page cache
1042 if ((f_offset < tvc->m.Length) && (f_offset + size) > tvc->m.Length) {
1043 size_t io = tvc->m.Length - f_offset;
1045 memset((caddr_t) (ioaddr + pl_offset + io), 0, size - io);
1051 osi_FlushPages(tvc, vop_cred); /* hold bozon lock, but not basic vnode lock */
1052 ObtainWriteLock(&tvc->lock, 1);
1054 ReleaseWriteLock(&tvc->lock);
1056 code = afs_write(tvc, uio, flags, cred, 0);
1058 ObtainWriteLock(&tvc->lock, 1);
1059 afs_FakeClose(tvc, cred);
1060 ReleaseWriteLock(&tvc->lock);
1065 OSI_UPL_ABORT_RANGE(pl, pl_offset, size,
1066 UPL_ABORT_FREE_ON_EMPTY);
1068 OSI_UPL_COMMIT_RANGE(pl, pl_offset, size,
1069 UPL_COMMIT_CLEAR_DIRTY |
1070 UPL_COMMIT_FREE_ON_EMPTY);
1073 #ifdef AFS_DARWIN80_ENV
1081 struct VOPPROT(ioctl_args) /* {
1082 * struct vnode *a_vp;
1086 * struct ucred *a_cred;
1090 struct vcache *tvc = VTOAFS(ap->a_vp);
1091 struct afs_ioctl data;
1094 /* in case we ever get in here... */
1096 AFS_STATCNT(afs_ioctl);
1097 if (((ap->a_command >> 8) & 0xff) == 'V') {
1098 /* This is a VICEIOCTL call */
1100 error = HandleIoctl(tvc, (struct file *)0 /*Not used */ ,
1101 ap->a_command, ap->a_data);
1105 /* No-op call; just return. */
1113 struct VOPPROT(select_args) /* {
1114 * struct vnode *a_vp;
1117 * struct ucred *a_cred;
1122 * We should really check to see if I/O is possible.
1130 * NB Currently unsupported.
1135 struct VOPPROT(mmap_args) /* {
1136 * struct vnode *a_vp;
1138 * struct ucred *a_cred;
1147 struct VOPPROT(fsync_args) /* {
1148 * struct vnode *a_vp;
1149 * struct ucred *a_cred;
1154 int wait = ap->a_waitfor == MNT_WAIT;
1156 register struct vnode *vp = ap->a_vp;
1157 int haveGlock = ISAFS_GLOCK();
1159 /* afs_vop_lookup glocks, can call us through vinvalbuf from GetVCache */
1160 if (!haveGlock) AFS_GLOCK();
1162 error = afs_fsync(VTOAFS(vp), vop_cred);
1164 error = afs_fsync(VTOAFS(vp), &afs_osi_cred);
1165 if (!haveGlock) AFS_GUNLOCK();
1169 #ifndef AFS_DARWIN80_ENV
1172 struct VOPPROT(seek_args) /* {
1173 * struct vnode *a_vp;
1176 * struct ucred *a_cred;
1179 if (ap->a_newoff > ULONG_MAX) /* AFS doesn't support 64-bit offsets */
1187 struct VOPPROT(remove_args) /* {
1188 * struct vnode *a_dvp;
1189 * struct vnode *a_vp;
1190 * struct componentname *a_cnp;
1194 register struct vnode *vp = ap->a_vp;
1195 register struct vnode *dvp = ap->a_dvp;
1197 #ifdef AFS_DARWIN80_ENV
1198 if (ap->a_flags & VNODE_REMOVE_NODELETEBUSY) {
1199 /* Caller requested Carbon delete semantics */
1200 if (vnode_isinuse(vp, 0)) {
1208 error = afs_remove(VTOAFS(dvp), name, vop_cn_cred);
1209 error = afs_CheckCode(error, NULL, 61);
1213 #ifdef AFS_DARWIN80_ENV
1214 struct vcache *tvc = VTOAFS(vp);
1216 if (!(tvc->states & CUnlinked)) {
1217 ubc_setsize(vp, (off_t)0);
1221 /* necessary so we don't deadlock ourselves in vclean */
1222 VOP_UNLOCK(vp, 0, cnp->cn_proc);
1224 /* If crashes continue in ubc_hold, comment this out */
1225 (void)ubc_uncache(vp);
1228 /* should check for PRSFS_INSERT and not PRSFS_DELETE, but the
1229 goal here is to deal with Finder's unhappiness with resource
1230 forks that have no resources in a dropbox setting */
1231 if (name[0] == '.' && name[1] == '_' && error == EACCES)
1235 #ifndef AFS_DARWIN80_ENV
1243 #ifndef AFS_DARWIN80_ENV
1244 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1252 struct VOPPROT(link_args) /* {
1253 * struct vnode *a_vp;
1254 * struct vnode *a_tdvp;
1255 * struct componentname *a_cnp;
1259 register struct vnode *dvp = ap->a_tdvp;
1260 register struct vnode *vp = ap->a_vp;
1265 if (vnode_isdir(vp)) {
1266 VOP_ABORTOP(vp, cnp);
1270 #ifndef AFS_DARWIN80_ENV
1271 if (error = vn_lock(vp, LK_EXCLUSIVE, p)) {
1272 VOP_ABORTOP(dvp, cnp);
1277 error = afs_link(VTOAFS(vp), VTOAFS(dvp), name, vop_cn_cred);
1279 #ifndef AFS_DARWIN80_ENV
1280 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1282 #ifndef AFS_DARWIN80_ENV
1284 VOP_UNLOCK(vp, 0, p);
1287 #ifndef AFS_DARWIN80_ENV
1296 struct VOPPROT(rename_args) /* {
1297 * struct vnode *a_fdvp;
1298 * struct vnode *a_fvp;
1299 * struct componentname *a_fcnp;
1300 * struct vnode *a_tdvp;
1301 * struct vnode *a_tvp;
1302 * struct componentname *a_tcnp;
1306 struct componentname *fcnp = ap->a_fcnp;
1308 struct componentname *tcnp = ap->a_tcnp;
1310 struct vnode *tvp = ap->a_tvp;
1311 register struct vnode *tdvp = ap->a_tdvp;
1312 struct vnode *fvp = ap->a_fvp;
1313 register struct vnode *fdvp = ap->a_fdvp;
1318 #ifdef AFS_DARWIN80_ENV
1319 /* generic code tests for v_mount equality, so we don't have to, but we don't
1320 get the multiple-mount "benefits" of the old behavior
1323 /* Check for cross-device rename.
1324 * For AFS, this means anything not in AFS-space
1326 if ((0 != strcmp(tdvp->v_mount->mnt_stat.f_fstypename, "afs")) ||
1327 (tvp && (0 != strcmp(tvp->v_mount->mnt_stat.f_fstypename, "afs")))) {
1333 #ifdef AFS_DARWIN80_ENV
1334 /* the generic code doesn't do this, so we really should, but all the
1335 vrele's are wrong... */
1338 * if fvp == tvp, we're just removing one name of a pair of
1339 * directory entries for the same element. convert call into rename.
1340 ( (pinched from NetBSD 1.0's ufs_rename())
1343 if (vnode_isdir(fvp)) {
1346 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */
1353 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */
1359 /* Release destination completely. */
1360 VOP_ABORTOP(tdvp, tcnp);
1363 /* Delete source. */
1364 #if defined(AFS_DARWIN80_ENV)
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';
1370 error = afs_remove(VTOAFS(fdvp), fname, vop_cn_cred);
1372 FREE(fname, M_TEMP);
1377 fcnp->cn_flags &= ~MODMASK;
1378 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF;
1379 if ((fcnp->cn_flags & SAVESTART) == 0)
1380 panic("afs_rename: lost from startdir");
1381 fcnp->cn_nameiop = DELETE;
1384 error=relookup(fdvp, &fvp, fcnp);
1390 error=VOP_REMOVE(fdvp, fvp, fcnp);
1401 #if !defined(AFS_DARWIN80_ENV)
1402 if (error = vn_lock(fvp, LK_EXCLUSIVE, p))
1406 MALLOC(fname, char *, fcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1407 memcpy(fname, fcnp->cn_nameptr, fcnp->cn_namelen);
1408 fname[fcnp->cn_namelen] = '\0';
1409 MALLOC(tname, char *, tcnp->cn_namelen + 1, M_TEMP, M_WAITOK);
1410 memcpy(tname, tcnp->cn_nameptr, tcnp->cn_namelen);
1411 tname[tcnp->cn_namelen] = '\0';
1415 /* XXX use "from" or "to" creds? NFS uses "to" creds */
1417 afs_rename(VTOAFS(fdvp), fname, VTOAFS(tdvp), tname, cn_cred(tcnp));
1420 #if !defined(AFS_DARWIN80_ENV)
1421 VOP_UNLOCK(fvp, 0, p);
1423 FREE(fname, M_TEMP);
1424 FREE(tname, M_TEMP);
1425 #ifdef AFS_DARWIN80_ENV
1436 cache_enter(tdvp, fvp, tcnp);
1439 goto abortit; /* XXX */
1454 struct VOPPROT(mkdir_args) /* {
1455 * struct vnode *a_dvp;
1456 * struct vnode **a_vpp;
1457 * struct componentname *a_cnp;
1458 * struct vattr *a_vap;
1461 register struct vnode *dvp = ap->a_dvp;
1462 register struct vattr *vap = ap->a_vap;
1469 #if defined(DIAGNOSTIC) && !defined(AFS_DARWIN80_ENV)
1470 if ((cnp->cn_flags & HASBUF) == 0)
1471 panic("afs_vop_mkdir: no name");
1474 error = afs_mkdir(VTOAFS(dvp), name, vap, &vcp, vop_cn_cred);
1477 #ifndef AFS_DARWIN80_ENV
1478 VOP_ABORTOP(dvp, cnp);
1485 #ifdef AFS_DARWIN80_ENV
1486 afs_darwin_finalizevnode(vcp, ap->a_dvp, ap->a_cnp, 0);
1488 *ap->a_vpp = AFSTOV(vcp);
1489 #ifndef AFS_DARWIN80_ENV /* XXX needed for multi-mount thing, but can't have it yet */
1490 (*ap->a_vpp)->v_vfsp = dvp->v_vfsp;
1491 vn_lock(*ap->a_vpp, LK_EXCLUSIVE | LK_RETRY, p);
1496 #ifndef AFS_DARWIN80_ENV
1497 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1505 struct VOPPROT(rmdir_args) /* {
1506 * struct vnode *a_dvp;
1507 * struct vnode *a_vp;
1508 * struct componentname *a_cnp;
1512 register struct vnode *vp = ap->a_vp;
1513 register struct vnode *dvp = ap->a_dvp;
1517 #ifndef AFS_DARWIN80_ENV
1520 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1527 error = afs_rmdir(VTOAFS(dvp), name, vop_cn_cred);
1532 #ifndef AFS_DARWIN80_ENV
1541 struct VOPPROT(symlink_args) /* {
1542 * struct vnode *a_dvp;
1543 * struct vnode **a_vpp;
1544 * struct componentname *a_cnp;
1545 * struct vattr *a_vap;
1549 register struct vnode *dvp = ap->a_dvp;
1551 /* NFS ignores a_vpp; so do we. */
1556 afs_symlink(VTOAFS(dvp), name, ap->a_vap, ap->a_target, vop_cn_cred);
1559 #ifndef AFS_DARWIN80_ENV
1560 FREE_ZONE(cnp->cn_pnbuf, cnp->cn_pnlen, M_NAMEI);
1568 struct VOPPROT(readdir_args) /* {
1569 * struct vnode *a_vp;
1570 * struct uio *a_uio;
1571 * struct ucred *a_cred;
1573 * u_long *a_cookies;
1579 /* printf("readdir %x cookies %x ncookies %d\n", ap->a_vp, ap->a_cookies,
1581 #ifdef AFS_DARWIN80_ENV
1582 /* too much work for now */
1583 /* should only break nfs exports */
1584 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
1587 off = AFS_UIO_OFFSET(ap->a_uio);
1590 afs_readdir(VTOAFS(ap->a_vp), ap->a_uio, vop_cred, ap->a_eofflag);
1592 #ifndef AFS_DARWIN80_ENV
1593 if (!error && ap->a_ncookies != NULL) {
1594 struct uio *uio = ap->a_uio;
1595 const struct dirent *dp, *dp_start, *dp_end;
1597 u_long *cookies, *cookiep;
1599 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1600 panic("afs_readdir: burned cookies");
1601 dp = (const struct dirent *)
1602 ((const char *)uio->uio_iov->iov_base - (uio->uio_offset - off));
1604 dp_end = (const struct dirent *)uio->uio_iov->iov_base;
1605 for (dp_start = dp, ncookies = 0; dp < dp_end;
1606 dp = (const struct dirent *)((const char *)dp + dp->d_reclen))
1609 MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
1611 for (dp = dp_start, cookiep = cookies; dp < dp_end;
1612 dp = (const struct dirent *)((const char *)dp + dp->d_reclen)) {
1613 off += dp->d_reclen;
1616 *ap->a_cookies = cookies;
1617 *ap->a_ncookies = ncookies;
1625 afs_vop_readlink(ap)
1626 struct VOPPROT(readlink_args) /* {
1627 * struct vnode *a_vp;
1628 * struct uio *a_uio;
1629 * struct ucred *a_cred;
1633 /* printf("readlink %x\n", ap->a_vp);*/
1635 error = afs_readlink(VTOAFS(ap->a_vp), ap->a_uio, vop_cred);
1640 extern int prtactive;
1643 afs_vop_inactive(ap)
1644 struct VOPPROT(inactive_args) /* {
1645 * struct vnode *a_vp;
1649 register struct vnode *vp = ap->a_vp;
1650 struct vcache *tvc = VTOAFS(vp);
1651 #ifndef AFS_DARWIN80_ENV
1652 if (prtactive && vp->v_usecount != 0)
1653 vprint("afs_vop_inactive(): pushing active", vp);
1656 #ifdef AFS_DARWIN80_ENV
1657 int unlinked = tvc->states & CUnlinked;
1660 afs_InactiveVCache(tvc, 0); /* decrs ref counts */
1662 #ifdef AFS_DARWIN80_ENV
1669 #ifndef AFS_DARWIN80_ENV
1670 VOP_UNLOCK(vp, 0, ap->a_p);
1677 struct VOPPROT(reclaim_args) /* {
1678 * struct vnode *a_vp;
1682 int sl, writelocked;
1683 register struct vnode *vp = ap->a_vp;
1684 struct vcache *tvc = VTOAFS(vp);
1686 osi_Assert(!ISAFS_GLOCK());
1687 cache_purge(vp); /* just in case... */
1690 writelocked = (0 == NBObtainWriteLock(&afs_xvcache, 335));
1692 ObtainWriteLock(&afs_xvreclaim, 176);
1693 #ifdef AFS_DARWIN80_ENV
1694 vnode_clearfsnode(AFSTOV(tvc));
1695 vnode_removefsref(AFSTOV(tvc));
1697 tvc->v->v_data = NULL; /* remove from vnode */
1699 AFSTOV(tvc) = NULL; /* also drop the ptr to vnode */
1700 tvc->states |= CVInit; /* also CDeadVnode? */
1701 tvc->nextfree = ReclaimedVCList;
1702 ReclaimedVCList = tvc;
1703 ReleaseWriteLock(&afs_xvreclaim);
1705 error = afs_FlushVCache(tvc, &sl); /* toss our stuff from vnode */
1706 if (tvc->states & (CVInit
1707 #ifdef AFS_DARWIN80_ENV
1711 tvc->states &= ~(CVInit
1712 #ifdef AFS_DARWIN80_ENV
1716 afs_osi_Wakeup(&tvc->states);
1718 if (!error && vnode_fsnode(vp))
1719 panic("afs_reclaim: vnode not cleaned");
1720 if (!error && (tvc->v != NULL))
1721 panic("afs_reclaim: vcache not cleaned");
1722 ReleaseWriteLock(&afs_xvcache);
1730 * Return POSIX pathconf information applicable to ufs filesystems.
1732 afs_vop_pathconf(ap)
1733 struct VOPPROT(pathconf_args) /* {
1734 * struct vnode *a_vp;
1739 AFS_STATCNT(afs_cntl);
1740 switch (ap->a_name) {
1742 *ap->a_retval = LINK_MAX;
1745 *ap->a_retval = NAME_MAX;
1748 *ap->a_retval = PATH_MAX;
1750 case _PC_CHOWN_RESTRICTED:
1759 #if defined(AFS_DARWIN70_ENV)
1760 case _PC_NAME_CHARS_MAX:
1761 *ap->a_retval = NAME_MAX;
1763 case _PC_CASE_SENSITIVE:
1766 case _PC_CASE_PRESERVING:
1769 #endif /* defined(AFS_DARWIN70_ENV) */
1777 * Advisory record locking support (fcntl() POSIX style)
1781 struct VOPPROT(advlock_args) /* {
1782 * struct vnode *a_vp;
1785 * struct flock *a_fl;
1793 #ifdef AFS_DARWIN80_ENV
1797 struct proc *p = current_proc();
1800 cr = *p->p_cred->pc_ucred;
1804 if (ap->a_flags & F_POSIX) {
1805 #ifdef AFS_DARWIN80_ENV
1806 p = (proc_t) ap->a_id;
1809 p = (struct proc *) ap->a_id;
1813 clid = (int)ap->a_id;
1815 if (ap->a_op == F_UNLCK) {
1817 } else if (ap->a_op == F_SETLK && ap->a_flags & F_WAIT) {
1823 error = afs_lockctl(VTOAFS(ap->a_vp), ap->a_fl, op, tcr, clid);
1829 afs_vop_blktooff(ap)
1830 struct VOPPROT(blktooff_args) /* {
1831 * struct vnode *a_vp;
1836 *ap->a_offset = (off_t) (ap->a_lblkno * DEV_BSIZE);
1841 afs_vop_offtoblk(ap)
1842 struct VOPPROT(offtoblk_args) /* {
1843 * struct vnode *a_vp;
1845 * daddr_t *a_lblkno;
1848 *ap->a_lblkno = (daddr_t) (ap->a_offset / DEV_BSIZE);
1853 #ifndef AFS_DARWIN80_ENV
1856 struct VOPPROT(lock_args) /* {
1857 * struct vnode *a_vp;
1860 register struct vnode *vp = ap->a_vp;
1861 register struct vcache *avc = VTOAFS(vp);
1863 if (vp->v_tag == VT_NON)
1866 return (lockmgr(&avc->rwlock, ap->a_flags, &vp->v_interlock, ap->a_p));
1871 struct VOPPROT(unlock_args) /* {
1872 * struct vnode *a_vp;
1875 struct vnode *vp = ap->a_vp;
1876 struct vcache *avc = VTOAFS(vp);
1879 (&avc->rwlock, ap->a_flags | LK_RELEASE, &vp->v_interlock,
1885 afs_vop_truncate(ap)
1886 struct VOPPROT(truncate_args) /* {
1887 * struct vnode *a_vp;
1890 * struct ucred *a_cred;
1894 printf("stray afs_vop_truncate\n");
1900 struct VOPPROT(update_args) /* {
1901 * struct vnode *a_vp;
1902 * struct timeval *a_access;
1903 * struct timeval *a_modify;
1907 printf("stray afs_vop_update\n");
1913 struct VOPPROT(bmap_args) /* {
1914 * struct vnode *a_vp;
1916 * struct vnode **a_vpp;
1924 *ap->a_bnp = ap->a_bn * (PAGE_SIZE / DEV_BSIZE);
1927 *ap->a_vpp = ap->a_vp;
1929 if (ap->a_runp != NULL)
1932 if (ap->a_runb != NULL)
1940 afs_vop_strategy(ap)
1941 struct VOPPROT(strategy_args) /* {
1947 error = afs_ustrategy(ap->a_bp);
1954 struct VOPPROT(print_args) /* {
1955 * struct vnode *a_vp;
1958 register struct vnode *vp = ap->a_vp;
1959 register struct vcache *vc = VTOAFS(ap->a_vp);
1961 printf("tag %d, fid: %ld.%x.%x.%x, opens %d, writers %d", vp->v_tag,
1962 vc->fid.Cell, vc->fid.Fid.Volume, vc->fid.Fid.Vnode,
1963 vc->fid.Fid.Unique, vc->opens, vc->execsOrWriters);
1964 printf("\n states%s%s%s%s%s", (s & CStatd) ? " statd" : "",
1965 (s & CRO) ? " readonly" : "", (s & CDirty) ? " dirty" : "",
1966 (s & CMAPPED) ? " mapped" : "",
1967 (s & CVFlushed) ? " flush in progress" : "");
1968 if (UBCISVALID(vp)) {
1970 if (UBCINFOEXISTS(vp)) {
1972 #ifdef AFS_DARWIN14_ENV
1973 printf("refs %d%s%s", vp->v_ubcinfo->ui_refcount,
1974 ubc_issetflags(vp, UI_HASOBJREF) ? " HASOBJREF" : "",
1975 ubc_issetflags(vp, UI_WASMAPPED) ? " WASMAPPED" : "");
1977 printf("holdcnt %d", vp->v_ubcinfo->ui_holdcnt);
1980 printf("does not exist");
1987 afs_vop_islocked(ap)
1988 struct VOPPROT(islocked_args) /* {
1989 * struct vnode *a_vp;
1992 struct vcache *vc = VTOAFS(ap->a_vp);
1993 return lockstatus(&vc->rwlock);
1998 struct VOPPROT(cmap_args) /* {
1999 * struct vnode *a_vp;
2007 *ap->a_bpn = (daddr_t) (ap->a_foffset / DEV_BSIZE);
2008 *ap->a_run = MAX(ap->a_size, AFS_CHUNKSIZE(ap->a_foffset));
2014 afs_darwin_getnewvnode(struct vcache *avc)
2016 #ifdef AFS_DARWIN80_ENV
2019 struct vnode_fsparam par;
2021 memset(&par, 0, sizeof(struct vnode_fsparam));
2024 ObtainWriteLock(&avc->lock,342);
2025 if (avc->states & CStatd) {
2026 par.vnfs_vtype = avc->m.Type;
2027 par.vnfs_vops = afs_vnodeop_p;
2028 par.vnfs_filesize = avc->m.Length;
2030 par.vnfs_flags = VNFS_NOCACHE;
2033 par.vnfs_vtype = VNON;
2034 par.vnfs_vops = afs_dead_vnodeop_p;
2035 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
2038 ReleaseWriteLock(&avc->lock);
2040 par.vnfs_dvp = ac->dvp;
2041 par.vnfs_cnp = ac->cnp;
2042 par.vnfs_markroot = ac->markroot;
2044 par.vnfs_vtype = VNON;
2045 par.vnfs_vops = afs_dead_vnodeop_p;
2046 par.vnfs_flags = VNFS_NOCACHE|VNFS_CANTCACHE;
2048 par.vnfs_mp = afs_globalVFS;
2049 par.vnfs_fsnode = avc;
2051 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &vp);
2058 vnode_recycle(vp); /* terminate as soon as iocount drops */
2059 avc->states |= CDeadVnode;
2060 } else if (!ac->markroot && !ac->cnp) {
2061 /* the caller doesn't know anything about this vnode. if markroot
2062 should have been set and wasn't, bad things may happen, so encourage
2067 vnode_recycle(vp); /* terminate as soon as iocount drops */
2068 avc->states |= CDeadVnode;
2073 while (getnewvnode(VT_AFS, afs_globalVFS, afs_vnodeop_p, &avc->v)) {
2074 /* no vnodes available, force an alloc (limits be damned)! */
2075 printf("failed to get vnode\n");
2077 avc->v->v_data = (void *)avc;
2081 #ifdef AFS_DARWIN80_ENV
2082 /* if this fails, then tvc has been unrefed and may have been freed.
2085 afs_darwin_finalizevnode(struct vcache *avc, struct vnode *dvp, struct componentname *cnp, int isroot) {
2089 struct vnode_fsparam par;
2091 ObtainWriteLock(&avc->lock,325);
2093 if (!(avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON) {
2095 #if 0 /* unsupported */
2097 vnode_update_identity(ovp, dvp, cnp->cn_nameptr, cnp->cn_namelen,
2099 VNODE_UPDATE_PARENT|VNODE_UPDATE_NAME);
2101 /* Can end up in reclaim... drop GLOCK */
2104 ReleaseWriteLock(&avc->lock);
2108 if ((avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2109 panic("vcache %p should not be CDeadVnode", avc);
2111 memset(&par, 0, sizeof(struct vnode_fsparam));
2112 par.vnfs_mp = afs_globalVFS;
2113 par.vnfs_vtype = avc->m.Type;
2114 par.vnfs_vops = afs_vnodeop_p;
2115 par.vnfs_filesize = avc->m.Length;
2116 par.vnfs_fsnode = avc;
2118 if (cnp && (cnp->cn_flags & ISDOTDOT) == 0)
2120 if (!dvp || !cnp || (cnp->cn_flags & MAKEENTRY) == 0)
2121 par.vnfs_flags = VNFS_NOCACHE;
2123 par.vnfs_markroot = 1;
2124 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &par, &nvp);
2126 vnode_addfsref(nvp);
2127 if ((avc->states & CDeadVnode) && vnode_vtype(ovp) != VNON)
2128 printf("vcache %p should not be CDeadVnode", avc);
2129 if (avc->v == ovp) {
2130 if (!(avc->states & CVInit)) {
2131 vnode_clearfsnode(ovp);
2132 vnode_removefsref(ovp);
2136 avc->states &=~ CDeadVnode;
2141 ReleaseWriteLock(&avc->lock);
2143 afs_osi_Wakeup(&avc->states);