Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/fs/nfs/delegation.c | |
3 | * | |
4 | * Copyright (C) 2004 Trond Myklebust | |
5 | * | |
6 | * NFS file delegation management | |
7 | * | |
8 | */ | |
1da177e4 | 9 | #include <linux/completion.h> |
58d9714a | 10 | #include <linux/kthread.h> |
1da177e4 LT |
11 | #include <linux/module.h> |
12 | #include <linux/sched.h> | |
13 | #include <linux/spinlock.h> | |
14 | ||
15 | #include <linux/nfs4.h> | |
16 | #include <linux/nfs_fs.h> | |
17 | #include <linux/nfs_xdr.h> | |
18 | ||
4ce79717 | 19 | #include "nfs4_fs.h" |
1da177e4 | 20 | #include "delegation.h" |
24c8dbbb | 21 | #include "internal.h" |
1da177e4 | 22 | |
905f8d16 | 23 | static void nfs_do_free_delegation(struct nfs_delegation *delegation) |
1da177e4 | 24 | { |
1da177e4 LT |
25 | kfree(delegation); |
26 | } | |
27 | ||
8383e460 TM |
28 | static void nfs_free_delegation_callback(struct rcu_head *head) |
29 | { | |
30 | struct nfs_delegation *delegation = container_of(head, struct nfs_delegation, rcu); | |
31 | ||
905f8d16 TM |
32 | nfs_do_free_delegation(delegation); |
33 | } | |
34 | ||
35 | static void nfs_free_delegation(struct nfs_delegation *delegation) | |
36 | { | |
37 | struct rpc_cred *cred; | |
38 | ||
39 | cred = rcu_dereference(delegation->cred); | |
40 | rcu_assign_pointer(delegation->cred, NULL); | |
41 | call_rcu(&delegation->rcu, nfs_free_delegation_callback); | |
42 | if (cred) | |
43 | put_rpccred(cred); | |
8383e460 TM |
44 | } |
45 | ||
888e694c TM |
46 | static int nfs_delegation_claim_locks(struct nfs_open_context *ctx, struct nfs4_state *state) |
47 | { | |
48 | struct inode *inode = state->inode; | |
49 | struct file_lock *fl; | |
50 | int status; | |
51 | ||
52 | for (fl = inode->i_flock; fl != 0; fl = fl->fl_next) { | |
53 | if (!(fl->fl_flags & (FL_POSIX|FL_FLOCK))) | |
54 | continue; | |
cd3758e3 | 55 | if (nfs_file_open_context(fl->fl_file) != ctx) |
888e694c TM |
56 | continue; |
57 | status = nfs4_lock_delegation_recall(state, fl); | |
58 | if (status >= 0) | |
59 | continue; | |
60 | switch (status) { | |
61 | default: | |
62 | printk(KERN_ERR "%s: unhandled error %d.\n", | |
63 | __FUNCTION__, status); | |
64 | case -NFS4ERR_EXPIRED: | |
65 | /* kill_proc(fl->fl_pid, SIGLOST, 1); */ | |
66 | case -NFS4ERR_STALE_CLIENTID: | |
7539bbab | 67 | nfs4_schedule_state_recovery(NFS_SERVER(inode)->nfs_client); |
888e694c TM |
68 | goto out_err; |
69 | } | |
70 | } | |
71 | return 0; | |
72 | out_err: | |
73 | return status; | |
74 | } | |
75 | ||
90163027 | 76 | static void nfs_delegation_claim_opens(struct inode *inode, const nfs4_stateid *stateid) |
1da177e4 LT |
77 | { |
78 | struct nfs_inode *nfsi = NFS_I(inode); | |
79 | struct nfs_open_context *ctx; | |
80 | struct nfs4_state *state; | |
888e694c | 81 | int err; |
1da177e4 LT |
82 | |
83 | again: | |
84 | spin_lock(&inode->i_lock); | |
85 | list_for_each_entry(ctx, &nfsi->open_files, list) { | |
86 | state = ctx->state; | |
87 | if (state == NULL) | |
88 | continue; | |
89 | if (!test_bit(NFS_DELEGATED_STATE, &state->flags)) | |
90 | continue; | |
90163027 TM |
91 | if (memcmp(state->stateid.data, stateid->data, sizeof(state->stateid.data)) != 0) |
92 | continue; | |
1da177e4 LT |
93 | get_nfs_open_context(ctx); |
94 | spin_unlock(&inode->i_lock); | |
13437e12 | 95 | err = nfs4_open_delegation_recall(ctx, state, stateid); |
888e694c TM |
96 | if (err >= 0) |
97 | err = nfs_delegation_claim_locks(ctx, state); | |
1da177e4 | 98 | put_nfs_open_context(ctx); |
888e694c TM |
99 | if (err != 0) |
100 | return; | |
1da177e4 LT |
101 | goto again; |
102 | } | |
103 | spin_unlock(&inode->i_lock); | |
104 | } | |
105 | ||
106 | /* | |
107 | * Set up a delegation on an inode | |
108 | */ | |
109 | void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res) | |
110 | { | |
111 | struct nfs_delegation *delegation = NFS_I(inode)->delegation; | |
05c88bab | 112 | struct rpc_cred *oldcred; |
1da177e4 LT |
113 | |
114 | if (delegation == NULL) | |
115 | return; | |
116 | memcpy(delegation->stateid.data, res->delegation.data, | |
117 | sizeof(delegation->stateid.data)); | |
118 | delegation->type = res->delegation_type; | |
119 | delegation->maxsize = res->maxsize; | |
05c88bab | 120 | oldcred = delegation->cred; |
1da177e4 LT |
121 | delegation->cred = get_rpccred(cred); |
122 | delegation->flags &= ~NFS_DELEGATION_NEED_RECLAIM; | |
123 | NFS_I(inode)->delegation_state = delegation->type; | |
124 | smp_wmb(); | |
05c88bab | 125 | put_rpccred(oldcred); |
1da177e4 LT |
126 | } |
127 | ||
128 | /* | |
129 | * Set up a delegation on an inode | |
130 | */ | |
131 | int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res) | |
132 | { | |
7539bbab | 133 | struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; |
1da177e4 LT |
134 | struct nfs_inode *nfsi = NFS_I(inode); |
135 | struct nfs_delegation *delegation; | |
136 | int status = 0; | |
137 | ||
f52720ca | 138 | delegation = kmalloc(sizeof(*delegation), GFP_KERNEL); |
1da177e4 LT |
139 | if (delegation == NULL) |
140 | return -ENOMEM; | |
141 | memcpy(delegation->stateid.data, res->delegation.data, | |
142 | sizeof(delegation->stateid.data)); | |
143 | delegation->type = res->delegation_type; | |
144 | delegation->maxsize = res->maxsize; | |
beb2a5ec | 145 | delegation->change_attr = nfsi->change_attr; |
1da177e4 LT |
146 | delegation->cred = get_rpccred(cred); |
147 | delegation->inode = inode; | |
148 | ||
149 | spin_lock(&clp->cl_lock); | |
8383e460 TM |
150 | if (rcu_dereference(nfsi->delegation) == NULL) { |
151 | list_add_rcu(&delegation->super_list, &clp->cl_delegations); | |
1da177e4 | 152 | nfsi->delegation_state = delegation->type; |
8383e460 | 153 | rcu_assign_pointer(nfsi->delegation, delegation); |
1da177e4 LT |
154 | delegation = NULL; |
155 | } else { | |
156 | if (memcmp(&delegation->stateid, &nfsi->delegation->stateid, | |
157 | sizeof(delegation->stateid)) != 0 || | |
158 | delegation->type != nfsi->delegation->type) { | |
5d8515ca CL |
159 | printk(KERN_WARNING "%s: server %s handed out " |
160 | "a duplicate delegation!\n", | |
161 | __FUNCTION__, clp->cl_hostname); | |
1da177e4 LT |
162 | status = -EIO; |
163 | } | |
164 | } | |
412c77ce TM |
165 | |
166 | /* Ensure we revalidate the attributes and page cache! */ | |
167 | spin_lock(&inode->i_lock); | |
168 | nfsi->cache_validity |= NFS_INO_REVAL_FORCED; | |
169 | spin_unlock(&inode->i_lock); | |
170 | ||
1da177e4 | 171 | spin_unlock(&clp->cl_lock); |
603c83da TM |
172 | if (delegation != NULL) |
173 | nfs_free_delegation(delegation); | |
1da177e4 LT |
174 | return status; |
175 | } | |
176 | ||
e6f81075 | 177 | static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *delegation, int issync) |
1da177e4 LT |
178 | { |
179 | int res = 0; | |
180 | ||
e6f81075 | 181 | res = nfs4_proc_delegreturn(inode, delegation->cred, &delegation->stateid, issync); |
905f8d16 | 182 | nfs_free_delegation(delegation); |
1da177e4 LT |
183 | return res; |
184 | } | |
185 | ||
186 | /* Sync all data to disk upon delegation return */ | |
187 | static void nfs_msync_inode(struct inode *inode) | |
188 | { | |
189 | filemap_fdatawrite(inode->i_mapping); | |
190 | nfs_wb_all(inode); | |
191 | filemap_fdatawait(inode->i_mapping); | |
192 | } | |
193 | ||
194 | /* | |
195 | * Basic procedure for returning a delegation to the server | |
196 | */ | |
90163027 | 197 | static int __nfs_inode_return_delegation(struct inode *inode, struct nfs_delegation *delegation) |
1da177e4 | 198 | { |
7539bbab | 199 | struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; |
1da177e4 | 200 | struct nfs_inode *nfsi = NFS_I(inode); |
1da177e4 LT |
201 | |
202 | nfs_msync_inode(inode); | |
203 | down_read(&clp->cl_sem); | |
204 | /* Guard against new delegated open calls */ | |
205 | down_write(&nfsi->rwsem); | |
90163027 | 206 | nfs_delegation_claim_opens(inode, &delegation->stateid); |
1da177e4 LT |
207 | up_write(&nfsi->rwsem); |
208 | up_read(&clp->cl_sem); | |
209 | nfs_msync_inode(inode); | |
210 | ||
e6f81075 | 211 | return nfs_do_return_delegation(inode, delegation, 1); |
90163027 TM |
212 | } |
213 | ||
214 | static struct nfs_delegation *nfs_detach_delegation_locked(struct nfs_inode *nfsi, const nfs4_stateid *stateid) | |
215 | { | |
8383e460 | 216 | struct nfs_delegation *delegation = rcu_dereference(nfsi->delegation); |
90163027 TM |
217 | |
218 | if (delegation == NULL) | |
219 | goto nomatch; | |
220 | if (stateid != NULL && memcmp(delegation->stateid.data, stateid->data, | |
221 | sizeof(delegation->stateid.data)) != 0) | |
222 | goto nomatch; | |
8383e460 | 223 | list_del_rcu(&delegation->super_list); |
90163027 | 224 | nfsi->delegation_state = 0; |
8383e460 | 225 | rcu_assign_pointer(nfsi->delegation, NULL); |
90163027 TM |
226 | return delegation; |
227 | nomatch: | |
228 | return NULL; | |
229 | } | |
230 | ||
e6f81075 TM |
231 | /* |
232 | * This function returns the delegation without reclaiming opens | |
233 | * or protecting against delegation reclaims. | |
234 | * It is therefore really only safe to be called from | |
235 | * nfs4_clear_inode() | |
236 | */ | |
237 | void nfs_inode_return_delegation_noreclaim(struct inode *inode) | |
238 | { | |
239 | struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; | |
240 | struct nfs_inode *nfsi = NFS_I(inode); | |
241 | struct nfs_delegation *delegation; | |
242 | ||
243 | if (rcu_dereference(nfsi->delegation) != NULL) { | |
244 | spin_lock(&clp->cl_lock); | |
245 | delegation = nfs_detach_delegation_locked(nfsi, NULL); | |
246 | spin_unlock(&clp->cl_lock); | |
247 | if (delegation != NULL) | |
248 | nfs_do_return_delegation(inode, delegation, 0); | |
249 | } | |
250 | } | |
251 | ||
90163027 TM |
252 | int nfs_inode_return_delegation(struct inode *inode) |
253 | { | |
254 | struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; | |
255 | struct nfs_inode *nfsi = NFS_I(inode); | |
256 | struct nfs_delegation *delegation; | |
257 | int err = 0; | |
258 | ||
8383e460 | 259 | if (rcu_dereference(nfsi->delegation) != NULL) { |
90163027 TM |
260 | spin_lock(&clp->cl_lock); |
261 | delegation = nfs_detach_delegation_locked(nfsi, NULL); | |
262 | spin_unlock(&clp->cl_lock); | |
263 | if (delegation != NULL) | |
264 | err = __nfs_inode_return_delegation(inode, delegation); | |
265 | } | |
266 | return err; | |
1da177e4 LT |
267 | } |
268 | ||
269 | /* | |
270 | * Return all delegations associated to a super block | |
271 | */ | |
272 | void nfs_return_all_delegations(struct super_block *sb) | |
273 | { | |
7539bbab | 274 | struct nfs_client *clp = NFS_SB(sb)->nfs_client; |
1da177e4 LT |
275 | struct nfs_delegation *delegation; |
276 | struct inode *inode; | |
277 | ||
278 | if (clp == NULL) | |
279 | return; | |
280 | restart: | |
8383e460 TM |
281 | rcu_read_lock(); |
282 | list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) { | |
1da177e4 LT |
283 | if (delegation->inode->i_sb != sb) |
284 | continue; | |
285 | inode = igrab(delegation->inode); | |
286 | if (inode == NULL) | |
287 | continue; | |
8383e460 TM |
288 | spin_lock(&clp->cl_lock); |
289 | delegation = nfs_detach_delegation_locked(NFS_I(inode), NULL); | |
1da177e4 | 290 | spin_unlock(&clp->cl_lock); |
8383e460 TM |
291 | rcu_read_unlock(); |
292 | if (delegation != NULL) | |
293 | __nfs_inode_return_delegation(inode, delegation); | |
1da177e4 LT |
294 | iput(inode); |
295 | goto restart; | |
296 | } | |
8383e460 | 297 | rcu_read_unlock(); |
1da177e4 LT |
298 | } |
299 | ||
10afec90 | 300 | static int nfs_do_expire_all_delegations(void *ptr) |
58d9714a | 301 | { |
adfa6f98 | 302 | struct nfs_client *clp = ptr; |
58d9714a TM |
303 | struct nfs_delegation *delegation; |
304 | struct inode *inode; | |
58d9714a TM |
305 | |
306 | allow_signal(SIGKILL); | |
307 | restart: | |
58d9714a TM |
308 | if (test_bit(NFS4CLNT_STATE_RECOVER, &clp->cl_state) != 0) |
309 | goto out; | |
310 | if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) | |
311 | goto out; | |
8383e460 TM |
312 | rcu_read_lock(); |
313 | list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) { | |
58d9714a TM |
314 | inode = igrab(delegation->inode); |
315 | if (inode == NULL) | |
316 | continue; | |
8383e460 TM |
317 | spin_lock(&clp->cl_lock); |
318 | delegation = nfs_detach_delegation_locked(NFS_I(inode), NULL); | |
58d9714a | 319 | spin_unlock(&clp->cl_lock); |
8383e460 TM |
320 | rcu_read_unlock(); |
321 | if (delegation) | |
322 | __nfs_inode_return_delegation(inode, delegation); | |
58d9714a | 323 | iput(inode); |
26c78e15 | 324 | goto restart; |
58d9714a | 325 | } |
8383e460 | 326 | rcu_read_unlock(); |
58d9714a | 327 | out: |
24c8dbbb | 328 | nfs_put_client(clp); |
58d9714a TM |
329 | module_put_and_exit(0); |
330 | } | |
331 | ||
adfa6f98 | 332 | void nfs_expire_all_delegations(struct nfs_client *clp) |
58d9714a TM |
333 | { |
334 | struct task_struct *task; | |
335 | ||
336 | __module_get(THIS_MODULE); | |
337 | atomic_inc(&clp->cl_count); | |
338 | task = kthread_run(nfs_do_expire_all_delegations, clp, | |
5d8515ca CL |
339 | "%s-delegreturn", |
340 | rpc_peeraddr2str(clp->cl_rpcclient, | |
341 | RPC_DISPLAY_ADDR)); | |
58d9714a TM |
342 | if (!IS_ERR(task)) |
343 | return; | |
24c8dbbb | 344 | nfs_put_client(clp); |
58d9714a TM |
345 | module_put(THIS_MODULE); |
346 | } | |
347 | ||
1da177e4 LT |
348 | /* |
349 | * Return all delegations following an NFS4ERR_CB_PATH_DOWN error. | |
350 | */ | |
adfa6f98 | 351 | void nfs_handle_cb_pathdown(struct nfs_client *clp) |
1da177e4 LT |
352 | { |
353 | struct nfs_delegation *delegation; | |
354 | struct inode *inode; | |
355 | ||
356 | if (clp == NULL) | |
357 | return; | |
358 | restart: | |
8383e460 TM |
359 | rcu_read_lock(); |
360 | list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) { | |
1da177e4 LT |
361 | inode = igrab(delegation->inode); |
362 | if (inode == NULL) | |
363 | continue; | |
8383e460 TM |
364 | spin_lock(&clp->cl_lock); |
365 | delegation = nfs_detach_delegation_locked(NFS_I(inode), NULL); | |
1da177e4 | 366 | spin_unlock(&clp->cl_lock); |
8383e460 TM |
367 | rcu_read_unlock(); |
368 | if (delegation != NULL) | |
369 | __nfs_inode_return_delegation(inode, delegation); | |
1da177e4 LT |
370 | iput(inode); |
371 | goto restart; | |
372 | } | |
8383e460 | 373 | rcu_read_unlock(); |
1da177e4 LT |
374 | } |
375 | ||
376 | struct recall_threadargs { | |
377 | struct inode *inode; | |
adfa6f98 | 378 | struct nfs_client *clp; |
1da177e4 LT |
379 | const nfs4_stateid *stateid; |
380 | ||
381 | struct completion started; | |
382 | int result; | |
383 | }; | |
384 | ||
385 | static int recall_thread(void *data) | |
386 | { | |
387 | struct recall_threadargs *args = (struct recall_threadargs *)data; | |
388 | struct inode *inode = igrab(args->inode); | |
7539bbab | 389 | struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; |
1da177e4 LT |
390 | struct nfs_inode *nfsi = NFS_I(inode); |
391 | struct nfs_delegation *delegation; | |
392 | ||
393 | daemonize("nfsv4-delegreturn"); | |
394 | ||
395 | nfs_msync_inode(inode); | |
396 | down_read(&clp->cl_sem); | |
397 | down_write(&nfsi->rwsem); | |
398 | spin_lock(&clp->cl_lock); | |
90163027 TM |
399 | delegation = nfs_detach_delegation_locked(nfsi, args->stateid); |
400 | if (delegation != NULL) | |
1da177e4 | 401 | args->result = 0; |
90163027 | 402 | else |
1da177e4 | 403 | args->result = -ENOENT; |
1da177e4 LT |
404 | spin_unlock(&clp->cl_lock); |
405 | complete(&args->started); | |
90163027 | 406 | nfs_delegation_claim_opens(inode, args->stateid); |
1da177e4 LT |
407 | up_write(&nfsi->rwsem); |
408 | up_read(&clp->cl_sem); | |
409 | nfs_msync_inode(inode); | |
410 | ||
411 | if (delegation != NULL) | |
e6f81075 | 412 | nfs_do_return_delegation(inode, delegation, 1); |
1da177e4 LT |
413 | iput(inode); |
414 | module_put_and_exit(0); | |
415 | } | |
416 | ||
417 | /* | |
418 | * Asynchronous delegation recall! | |
419 | */ | |
420 | int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid) | |
421 | { | |
422 | struct recall_threadargs data = { | |
423 | .inode = inode, | |
424 | .stateid = stateid, | |
425 | }; | |
426 | int status; | |
427 | ||
428 | init_completion(&data.started); | |
429 | __module_get(THIS_MODULE); | |
430 | status = kernel_thread(recall_thread, &data, CLONE_KERNEL); | |
431 | if (status < 0) | |
432 | goto out_module_put; | |
433 | wait_for_completion(&data.started); | |
434 | return data.result; | |
435 | out_module_put: | |
436 | module_put(THIS_MODULE); | |
437 | return status; | |
438 | } | |
439 | ||
440 | /* | |
441 | * Retrieve the inode associated with a delegation | |
442 | */ | |
adfa6f98 | 443 | struct inode *nfs_delegation_find_inode(struct nfs_client *clp, const struct nfs_fh *fhandle) |
1da177e4 LT |
444 | { |
445 | struct nfs_delegation *delegation; | |
446 | struct inode *res = NULL; | |
8383e460 TM |
447 | rcu_read_lock(); |
448 | list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) { | |
1da177e4 LT |
449 | if (nfs_compare_fh(fhandle, &NFS_I(delegation->inode)->fh) == 0) { |
450 | res = igrab(delegation->inode); | |
451 | break; | |
452 | } | |
453 | } | |
8383e460 | 454 | rcu_read_unlock(); |
1da177e4 LT |
455 | return res; |
456 | } | |
457 | ||
458 | /* | |
459 | * Mark all delegations as needing to be reclaimed | |
460 | */ | |
adfa6f98 | 461 | void nfs_delegation_mark_reclaim(struct nfs_client *clp) |
1da177e4 LT |
462 | { |
463 | struct nfs_delegation *delegation; | |
8383e460 TM |
464 | rcu_read_lock(); |
465 | list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) | |
1da177e4 | 466 | delegation->flags |= NFS_DELEGATION_NEED_RECLAIM; |
8383e460 | 467 | rcu_read_unlock(); |
1da177e4 LT |
468 | } |
469 | ||
470 | /* | |
471 | * Reap all unclaimed delegations after reboot recovery is done | |
472 | */ | |
adfa6f98 | 473 | void nfs_delegation_reap_unclaimed(struct nfs_client *clp) |
1da177e4 | 474 | { |
8383e460 TM |
475 | struct nfs_delegation *delegation; |
476 | restart: | |
477 | rcu_read_lock(); | |
478 | list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) { | |
1da177e4 LT |
479 | if ((delegation->flags & NFS_DELEGATION_NEED_RECLAIM) == 0) |
480 | continue; | |
8383e460 TM |
481 | spin_lock(&clp->cl_lock); |
482 | delegation = nfs_detach_delegation_locked(NFS_I(delegation->inode), NULL); | |
483 | spin_unlock(&clp->cl_lock); | |
484 | rcu_read_unlock(); | |
485 | if (delegation != NULL) | |
905f8d16 | 486 | nfs_free_delegation(delegation); |
8383e460 | 487 | goto restart; |
1da177e4 | 488 | } |
8383e460 | 489 | rcu_read_unlock(); |
1da177e4 | 490 | } |
3e4f6290 TM |
491 | |
492 | int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode) | |
493 | { | |
3e4f6290 TM |
494 | struct nfs_inode *nfsi = NFS_I(inode); |
495 | struct nfs_delegation *delegation; | |
8383e460 | 496 | int ret = 0; |
3e4f6290 | 497 | |
8383e460 TM |
498 | rcu_read_lock(); |
499 | delegation = rcu_dereference(nfsi->delegation); | |
3e4f6290 TM |
500 | if (delegation != NULL) { |
501 | memcpy(dst->data, delegation->stateid.data, sizeof(dst->data)); | |
8383e460 | 502 | ret = 1; |
3e4f6290 | 503 | } |
8383e460 TM |
504 | rcu_read_unlock(); |
505 | return ret; | |
3e4f6290 | 506 | } |