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b4d0d230 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
30062bd1 DH |
2 | /* YFS File Server client stubs |
3 | * | |
4 | * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved. | |
5 | * Written by David Howells (dhowells@redhat.com) | |
30062bd1 DH |
6 | */ |
7 | ||
8 | #include <linux/init.h> | |
9 | #include <linux/slab.h> | |
10 | #include <linux/sched.h> | |
11 | #include <linux/circ_buf.h> | |
12 | #include <linux/iversion.h> | |
13 | #include "internal.h" | |
14 | #include "afs_fs.h" | |
15 | #include "xdr_fs.h" | |
16 | #include "protocol_yfs.h" | |
17 | ||
30062bd1 DH |
18 | #define xdr_size(x) (sizeof(*x) / sizeof(__be32)) |
19 | ||
20 | static void xdr_decode_YFSFid(const __be32 **_bp, struct afs_fid *fid) | |
21 | { | |
22 | const struct yfs_xdr_YFSFid *x = (const void *)*_bp; | |
23 | ||
24 | fid->vid = xdr_to_u64(x->volume); | |
25 | fid->vnode = xdr_to_u64(x->vnode.lo); | |
26 | fid->vnode_hi = ntohl(x->vnode.hi); | |
27 | fid->unique = ntohl(x->vnode.unique); | |
28 | *_bp += xdr_size(x); | |
29 | } | |
30 | ||
31 | static __be32 *xdr_encode_u32(__be32 *bp, u32 n) | |
32 | { | |
33 | *bp++ = htonl(n); | |
34 | return bp; | |
35 | } | |
36 | ||
37 | static __be32 *xdr_encode_u64(__be32 *bp, u64 n) | |
38 | { | |
39 | struct yfs_xdr_u64 *x = (void *)bp; | |
40 | ||
41 | *x = u64_to_xdr(n); | |
42 | return bp + xdr_size(x); | |
43 | } | |
44 | ||
45 | static __be32 *xdr_encode_YFSFid(__be32 *bp, struct afs_fid *fid) | |
46 | { | |
47 | struct yfs_xdr_YFSFid *x = (void *)bp; | |
48 | ||
49 | x->volume = u64_to_xdr(fid->vid); | |
50 | x->vnode.lo = u64_to_xdr(fid->vnode); | |
51 | x->vnode.hi = htonl(fid->vnode_hi); | |
52 | x->vnode.unique = htonl(fid->unique); | |
53 | return bp + xdr_size(x); | |
54 | } | |
55 | ||
56 | static size_t xdr_strlen(unsigned int len) | |
57 | { | |
58 | return sizeof(__be32) + round_up(len, sizeof(__be32)); | |
59 | } | |
60 | ||
61 | static __be32 *xdr_encode_string(__be32 *bp, const char *p, unsigned int len) | |
62 | { | |
63 | bp = xdr_encode_u32(bp, len); | |
64 | bp = memcpy(bp, p, len); | |
65 | if (len & 3) { | |
66 | unsigned int pad = 4 - (len & 3); | |
67 | ||
68 | memset((u8 *)bp + len, 0, pad); | |
69 | len += pad; | |
70 | } | |
71 | ||
72 | return bp + len / sizeof(__be32); | |
73 | } | |
74 | ||
e49c7b2f DH |
75 | static __be32 *xdr_encode_name(__be32 *bp, const struct qstr *p) |
76 | { | |
77 | return xdr_encode_string(bp, p->name, p->len); | |
78 | } | |
79 | ||
30062bd1 DH |
80 | static s64 linux_to_yfs_time(const struct timespec64 *t) |
81 | { | |
82 | /* Convert to 100ns intervals. */ | |
83 | return (u64)t->tv_sec * 10000000 + t->tv_nsec/100; | |
84 | } | |
85 | ||
86 | static __be32 *xdr_encode_YFSStoreStatus_mode(__be32 *bp, mode_t mode) | |
87 | { | |
88 | struct yfs_xdr_YFSStoreStatus *x = (void *)bp; | |
89 | ||
90 | x->mask = htonl(AFS_SET_MODE); | |
91 | x->mode = htonl(mode & S_IALLUGO); | |
92 | x->mtime_client = u64_to_xdr(0); | |
93 | x->owner = u64_to_xdr(0); | |
94 | x->group = u64_to_xdr(0); | |
95 | return bp + xdr_size(x); | |
96 | } | |
97 | ||
98 | static __be32 *xdr_encode_YFSStoreStatus_mtime(__be32 *bp, const struct timespec64 *t) | |
99 | { | |
100 | struct yfs_xdr_YFSStoreStatus *x = (void *)bp; | |
101 | s64 mtime = linux_to_yfs_time(t); | |
102 | ||
103 | x->mask = htonl(AFS_SET_MTIME); | |
104 | x->mode = htonl(0); | |
105 | x->mtime_client = u64_to_xdr(mtime); | |
106 | x->owner = u64_to_xdr(0); | |
107 | x->group = u64_to_xdr(0); | |
108 | return bp + xdr_size(x); | |
109 | } | |
110 | ||
111 | /* | |
112 | * Convert a signed 100ns-resolution 64-bit time into a timespec. | |
113 | */ | |
114 | static struct timespec64 yfs_time_to_linux(s64 t) | |
115 | { | |
116 | struct timespec64 ts; | |
117 | u64 abs_t; | |
118 | ||
119 | /* | |
120 | * Unfortunately can not use normal 64 bit division on 32 bit arch, but | |
121 | * the alternative, do_div, does not work with negative numbers so have | |
122 | * to special case them | |
123 | */ | |
124 | if (t < 0) { | |
125 | abs_t = -t; | |
126 | ts.tv_nsec = (time64_t)(do_div(abs_t, 10000000) * 100); | |
127 | ts.tv_nsec = -ts.tv_nsec; | |
128 | ts.tv_sec = -abs_t; | |
129 | } else { | |
130 | abs_t = t; | |
131 | ts.tv_nsec = (time64_t)do_div(abs_t, 10000000) * 100; | |
132 | ts.tv_sec = abs_t; | |
133 | } | |
134 | ||
135 | return ts; | |
136 | } | |
137 | ||
138 | static struct timespec64 xdr_to_time(const struct yfs_xdr_u64 xdr) | |
139 | { | |
140 | s64 t = xdr_to_u64(xdr); | |
141 | ||
142 | return yfs_time_to_linux(t); | |
143 | } | |
144 | ||
145 | static void yfs_check_req(struct afs_call *call, __be32 *bp) | |
146 | { | |
147 | size_t len = (void *)bp - call->request; | |
148 | ||
149 | if (len > call->request_size) | |
150 | pr_err("kAFS: %s: Request buffer overflow (%zu>%u)\n", | |
151 | call->type->name, len, call->request_size); | |
152 | else if (len < call->request_size) | |
a4e530ae KW |
153 | pr_warn("kAFS: %s: Request buffer underflow (%zu<%u)\n", |
154 | call->type->name, len, call->request_size); | |
30062bd1 DH |
155 | } |
156 | ||
157 | /* | |
158 | * Dump a bad file status record. | |
159 | */ | |
160 | static void xdr_dump_bad(const __be32 *bp) | |
161 | { | |
162 | __be32 x[4]; | |
163 | int i; | |
164 | ||
165 | pr_notice("YFS XDR: Bad status record\n"); | |
3efe55b0 | 166 | for (i = 0; i < 6 * 4 * 4; i += 16) { |
30062bd1 DH |
167 | memcpy(x, bp, 16); |
168 | bp += 4; | |
169 | pr_notice("%03x: %08x %08x %08x %08x\n", | |
170 | i, ntohl(x[0]), ntohl(x[1]), ntohl(x[2]), ntohl(x[3])); | |
171 | } | |
172 | ||
3efe55b0 DH |
173 | memcpy(x, bp, 8); |
174 | pr_notice("0x60: %08x %08x\n", ntohl(x[0]), ntohl(x[1])); | |
30062bd1 DH |
175 | } |
176 | ||
177 | /* | |
178 | * Decode a YFSFetchStatus block | |
179 | */ | |
38355eec DH |
180 | static void xdr_decode_YFSFetchStatus(const __be32 **_bp, |
181 | struct afs_call *call, | |
182 | struct afs_status_cb *scb) | |
30062bd1 DH |
183 | { |
184 | const struct yfs_xdr_YFSFetchStatus *xdr = (const void *)*_bp; | |
a58823ac | 185 | struct afs_file_status *status = &scb->status; |
30062bd1 | 186 | u32 type; |
30062bd1 DH |
187 | |
188 | status->abort_code = ntohl(xdr->abort_code); | |
189 | if (status->abort_code != 0) { | |
a58823ac | 190 | if (status->abort_code == VNOVNODE) |
30062bd1 | 191 | status->nlink = 0; |
a38a7558 | 192 | scb->have_error = true; |
38355eec | 193 | goto advance; |
30062bd1 DH |
194 | } |
195 | ||
196 | type = ntohl(xdr->type); | |
197 | switch (type) { | |
198 | case AFS_FTYPE_FILE: | |
199 | case AFS_FTYPE_DIR: | |
200 | case AFS_FTYPE_SYMLINK: | |
30062bd1 DH |
201 | status->type = type; |
202 | break; | |
203 | default: | |
204 | goto bad; | |
205 | } | |
206 | ||
a58823ac DH |
207 | status->nlink = ntohl(xdr->nlink); |
208 | status->author = xdr_to_u64(xdr->author); | |
209 | status->owner = xdr_to_u64(xdr->owner); | |
210 | status->caller_access = ntohl(xdr->caller_access); /* Ticket dependent */ | |
211 | status->anon_access = ntohl(xdr->anon_access); | |
212 | status->mode = ntohl(xdr->mode) & S_IALLUGO; | |
213 | status->group = xdr_to_u64(xdr->group); | |
214 | status->lock_count = ntohl(xdr->lock_count); | |
30062bd1 | 215 | |
a58823ac DH |
216 | status->mtime_client = xdr_to_time(xdr->mtime_client); |
217 | status->mtime_server = xdr_to_time(xdr->mtime_server); | |
218 | status->size = xdr_to_u64(xdr->size); | |
219 | status->data_version = xdr_to_u64(xdr->data_version); | |
a38a7558 | 220 | scb->have_status = true; |
c72057b5 | 221 | advance: |
a58823ac | 222 | *_bp += xdr_size(xdr); |
38355eec | 223 | return; |
30062bd1 DH |
224 | |
225 | bad: | |
226 | xdr_dump_bad(*_bp); | |
7126ead9 | 227 | afs_protocol_error(call, afs_eproto_bad_status); |
c72057b5 | 228 | goto advance; |
30062bd1 DH |
229 | } |
230 | ||
231 | /* | |
a58823ac | 232 | * Decode a YFSCallBack block |
30062bd1 | 233 | */ |
a58823ac DH |
234 | static void xdr_decode_YFSCallBack(const __be32 **_bp, |
235 | struct afs_call *call, | |
236 | struct afs_status_cb *scb) | |
78107055 DH |
237 | { |
238 | struct yfs_xdr_YFSCallBack *x = (void *)*_bp; | |
a58823ac | 239 | struct afs_callback *cb = &scb->callback; |
78107055 DH |
240 | ktime_t cb_expiry; |
241 | ||
242 | cb_expiry = call->reply_time; | |
243 | cb_expiry = ktime_add(cb_expiry, xdr_to_u64(x->expiration_time) * 100); | |
244 | cb->expires_at = ktime_divns(cb_expiry, NSEC_PER_SEC); | |
a58823ac | 245 | scb->have_cb = true; |
78107055 DH |
246 | *_bp += xdr_size(x); |
247 | } | |
248 | ||
30062bd1 DH |
249 | /* |
250 | * Decode a YFSVolSync block | |
251 | */ | |
252 | static void xdr_decode_YFSVolSync(const __be32 **_bp, | |
253 | struct afs_volsync *volsync) | |
254 | { | |
255 | struct yfs_xdr_YFSVolSync *x = (void *)*_bp; | |
256 | u64 creation; | |
257 | ||
258 | if (volsync) { | |
259 | creation = xdr_to_u64(x->vol_creation_date); | |
260 | do_div(creation, 10 * 1000 * 1000); | |
261 | volsync->creation = creation; | |
262 | } | |
263 | ||
264 | *_bp += xdr_size(x); | |
265 | } | |
266 | ||
267 | /* | |
268 | * Encode the requested attributes into a YFSStoreStatus block | |
269 | */ | |
270 | static __be32 *xdr_encode_YFS_StoreStatus(__be32 *bp, struct iattr *attr) | |
271 | { | |
272 | struct yfs_xdr_YFSStoreStatus *x = (void *)bp; | |
273 | s64 mtime = 0, owner = 0, group = 0; | |
274 | u32 mask = 0, mode = 0; | |
275 | ||
276 | mask = 0; | |
277 | if (attr->ia_valid & ATTR_MTIME) { | |
278 | mask |= AFS_SET_MTIME; | |
279 | mtime = linux_to_yfs_time(&attr->ia_mtime); | |
280 | } | |
281 | ||
282 | if (attr->ia_valid & ATTR_UID) { | |
283 | mask |= AFS_SET_OWNER; | |
284 | owner = from_kuid(&init_user_ns, attr->ia_uid); | |
285 | } | |
286 | ||
287 | if (attr->ia_valid & ATTR_GID) { | |
288 | mask |= AFS_SET_GROUP; | |
289 | group = from_kgid(&init_user_ns, attr->ia_gid); | |
290 | } | |
291 | ||
292 | if (attr->ia_valid & ATTR_MODE) { | |
293 | mask |= AFS_SET_MODE; | |
294 | mode = attr->ia_mode & S_IALLUGO; | |
295 | } | |
296 | ||
297 | x->mask = htonl(mask); | |
298 | x->mode = htonl(mode); | |
299 | x->mtime_client = u64_to_xdr(mtime); | |
300 | x->owner = u64_to_xdr(owner); | |
301 | x->group = u64_to_xdr(group); | |
302 | return bp + xdr_size(x); | |
303 | } | |
304 | ||
305 | /* | |
306 | * Decode a YFSFetchVolumeStatus block. | |
307 | */ | |
308 | static void xdr_decode_YFSFetchVolumeStatus(const __be32 **_bp, | |
309 | struct afs_volume_status *vs) | |
310 | { | |
311 | const struct yfs_xdr_YFSFetchVolumeStatus *x = (const void *)*_bp; | |
312 | u32 flags; | |
313 | ||
314 | vs->vid = xdr_to_u64(x->vid); | |
315 | vs->parent_id = xdr_to_u64(x->parent_id); | |
316 | flags = ntohl(x->flags); | |
317 | vs->online = flags & yfs_FVSOnline; | |
318 | vs->in_service = flags & yfs_FVSInservice; | |
319 | vs->blessed = flags & yfs_FVSBlessed; | |
320 | vs->needs_salvage = flags & yfs_FVSNeedsSalvage; | |
321 | vs->type = ntohl(x->type); | |
322 | vs->min_quota = 0; | |
323 | vs->max_quota = xdr_to_u64(x->max_quota); | |
324 | vs->blocks_in_use = xdr_to_u64(x->blocks_in_use); | |
325 | vs->part_blocks_avail = xdr_to_u64(x->part_blocks_avail); | |
326 | vs->part_max_blocks = xdr_to_u64(x->part_max_blocks); | |
327 | vs->vol_copy_date = xdr_to_u64(x->vol_copy_date); | |
328 | vs->vol_backup_date = xdr_to_u64(x->vol_backup_date); | |
329 | *_bp += sizeof(*x) / sizeof(__be32); | |
330 | } | |
331 | ||
a58823ac DH |
332 | /* |
333 | * Deliver reply data to operations that just return a file status and a volume | |
334 | * sync record. | |
335 | */ | |
336 | static int yfs_deliver_status_and_volsync(struct afs_call *call) | |
337 | { | |
e49c7b2f | 338 | struct afs_operation *op = call->op; |
a58823ac DH |
339 | const __be32 *bp; |
340 | int ret; | |
341 | ||
342 | ret = afs_transfer_reply(call); | |
343 | if (ret < 0) | |
344 | return ret; | |
345 | ||
346 | bp = call->buffer; | |
e49c7b2f DH |
347 | xdr_decode_YFSFetchStatus(&bp, call, &op->file[0].scb); |
348 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 DH |
349 | |
350 | _leave(" = 0 [done]"); | |
351 | return 0; | |
352 | } | |
353 | ||
30062bd1 DH |
354 | /* |
355 | * Deliver reply data to an YFS.FetchData64. | |
356 | */ | |
357 | static int yfs_deliver_fs_fetch_data64(struct afs_call *call) | |
358 | { | |
e49c7b2f DH |
359 | struct afs_operation *op = call->op; |
360 | struct afs_vnode_param *vp = &op->file[0]; | |
361 | struct afs_read *req = op->fetch.req; | |
30062bd1 | 362 | const __be32 *bp; |
30062bd1 DH |
363 | int ret; |
364 | ||
f105da1a DH |
365 | _enter("{%u,%zu, %zu/%llu}", |
366 | call->unmarshall, call->iov_len, iov_iter_count(call->iter), | |
367 | req->actual_len); | |
30062bd1 DH |
368 | |
369 | switch (call->unmarshall) { | |
370 | case 0: | |
371 | req->actual_len = 0; | |
30062bd1 DH |
372 | afs_extract_to_tmp64(call); |
373 | call->unmarshall++; | |
df561f66 | 374 | fallthrough; |
30062bd1 | 375 | |
c4508464 DH |
376 | /* Extract the returned data length into ->actual_len. This |
377 | * may indicate more or less data than was requested will be | |
378 | * returned. | |
379 | */ | |
30062bd1 DH |
380 | case 1: |
381 | _debug("extract data length"); | |
382 | ret = afs_extract_data(call, true); | |
383 | if (ret < 0) | |
384 | return ret; | |
385 | ||
386 | req->actual_len = be64_to_cpu(call->tmp64); | |
387 | _debug("DATA length: %llu", req->actual_len); | |
c4508464 DH |
388 | |
389 | if (req->actual_len == 0) | |
30062bd1 DH |
390 | goto no_more_data; |
391 | ||
c4508464 DH |
392 | call->iter = req->iter; |
393 | call->iov_len = min(req->actual_len, req->len); | |
30062bd1 | 394 | call->unmarshall++; |
df561f66 | 395 | fallthrough; |
30062bd1 | 396 | |
35a3a90c | 397 | /* extract the returned data */ |
30062bd1 DH |
398 | case 2: |
399 | _debug("extract data %zu/%llu", | |
c4508464 | 400 | iov_iter_count(call->iter), req->actual_len); |
30062bd1 DH |
401 | |
402 | ret = afs_extract_data(call, true); | |
403 | if (ret < 0) | |
404 | return ret; | |
c4508464 DH |
405 | |
406 | call->iter = &call->def_iter; | |
30062bd1 DH |
407 | if (req->actual_len <= req->len) |
408 | goto no_more_data; | |
409 | ||
410 | /* Discard any excess data the server gave us */ | |
23a28913 | 411 | afs_extract_discard(call, req->actual_len - req->len); |
30062bd1 | 412 | call->unmarshall = 3; |
df561f66 | 413 | fallthrough; |
35a3a90c | 414 | |
30062bd1 DH |
415 | case 3: |
416 | _debug("extract discard %zu/%llu", | |
fc276122 | 417 | iov_iter_count(call->iter), req->actual_len - req->len); |
30062bd1 DH |
418 | |
419 | ret = afs_extract_data(call, true); | |
420 | if (ret < 0) | |
421 | return ret; | |
422 | ||
423 | no_more_data: | |
424 | call->unmarshall = 4; | |
425 | afs_extract_to_buf(call, | |
426 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
427 | sizeof(struct yfs_xdr_YFSCallBack) + | |
428 | sizeof(struct yfs_xdr_YFSVolSync)); | |
df561f66 | 429 | fallthrough; |
30062bd1 | 430 | |
35a3a90c | 431 | /* extract the metadata */ |
30062bd1 DH |
432 | case 4: |
433 | ret = afs_extract_data(call, false); | |
434 | if (ret < 0) | |
435 | return ret; | |
436 | ||
437 | bp = call->buffer; | |
e49c7b2f DH |
438 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); |
439 | xdr_decode_YFSCallBack(&bp, call, &vp->scb); | |
440 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 | 441 | |
e49c7b2f DH |
442 | req->data_version = vp->scb.status.data_version; |
443 | req->file_size = vp->scb.status.size; | |
a58823ac | 444 | |
30062bd1 | 445 | call->unmarshall++; |
df561f66 | 446 | fallthrough; |
35a3a90c | 447 | |
30062bd1 DH |
448 | case 5: |
449 | break; | |
450 | } | |
451 | ||
30062bd1 DH |
452 | _leave(" = 0 [done]"); |
453 | return 0; | |
454 | } | |
455 | ||
30062bd1 DH |
456 | /* |
457 | * YFS.FetchData64 operation type | |
458 | */ | |
459 | static const struct afs_call_type yfs_RXYFSFetchData64 = { | |
460 | .name = "YFS.FetchData64", | |
461 | .op = yfs_FS_FetchData64, | |
462 | .deliver = yfs_deliver_fs_fetch_data64, | |
e49c7b2f | 463 | .destructor = afs_flat_call_destructor, |
30062bd1 DH |
464 | }; |
465 | ||
466 | /* | |
467 | * Fetch data from a file. | |
468 | */ | |
e49c7b2f | 469 | void yfs_fs_fetch_data(struct afs_operation *op) |
30062bd1 | 470 | { |
e49c7b2f DH |
471 | struct afs_vnode_param *vp = &op->file[0]; |
472 | struct afs_read *req = op->fetch.req; | |
30062bd1 | 473 | struct afs_call *call; |
30062bd1 DH |
474 | __be32 *bp; |
475 | ||
476 | _enter(",%x,{%llx:%llu},%llx,%llx", | |
e49c7b2f | 477 | key_serial(op->key), vp->fid.vid, vp->fid.vnode, |
30062bd1 DH |
478 | req->pos, req->len); |
479 | ||
e49c7b2f | 480 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSFetchData64, |
30062bd1 DH |
481 | sizeof(__be32) * 2 + |
482 | sizeof(struct yfs_xdr_YFSFid) + | |
483 | sizeof(struct yfs_xdr_u64) * 2, | |
484 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
485 | sizeof(struct yfs_xdr_YFSCallBack) + | |
486 | sizeof(struct yfs_xdr_YFSVolSync)); | |
487 | if (!call) | |
e49c7b2f | 488 | return afs_op_nomem(op); |
30062bd1 | 489 | |
c4508464 DH |
490 | req->call_debug_id = call->debug_id; |
491 | ||
30062bd1 DH |
492 | /* marshall the parameters */ |
493 | bp = call->request; | |
494 | bp = xdr_encode_u32(bp, YFSFETCHDATA64); | |
495 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 496 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
30062bd1 DH |
497 | bp = xdr_encode_u64(bp, req->pos); |
498 | bp = xdr_encode_u64(bp, req->len); | |
499 | yfs_check_req(call, bp); | |
500 | ||
e49c7b2f DH |
501 | trace_afs_make_fs_call(call, &vp->fid); |
502 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
503 | } |
504 | ||
505 | /* | |
506 | * Deliver reply data for YFS.CreateFile or YFS.MakeDir. | |
507 | */ | |
508 | static int yfs_deliver_fs_create_vnode(struct afs_call *call) | |
509 | { | |
e49c7b2f DH |
510 | struct afs_operation *op = call->op; |
511 | struct afs_vnode_param *dvp = &op->file[0]; | |
512 | struct afs_vnode_param *vp = &op->file[1]; | |
30062bd1 DH |
513 | const __be32 *bp; |
514 | int ret; | |
515 | ||
516 | _enter("{%u}", call->unmarshall); | |
517 | ||
518 | ret = afs_transfer_reply(call); | |
519 | if (ret < 0) | |
520 | return ret; | |
521 | ||
522 | /* unmarshall the reply once we've received all of it */ | |
523 | bp = call->buffer; | |
e49c7b2f DH |
524 | xdr_decode_YFSFid(&bp, &op->file[1].fid); |
525 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); | |
526 | xdr_decode_YFSFetchStatus(&bp, call, &dvp->scb); | |
527 | xdr_decode_YFSCallBack(&bp, call, &vp->scb); | |
528 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 DH |
529 | |
530 | _leave(" = 0 [done]"); | |
531 | return 0; | |
532 | } | |
533 | ||
534 | /* | |
535 | * FS.CreateFile and FS.MakeDir operation type | |
536 | */ | |
537 | static const struct afs_call_type afs_RXFSCreateFile = { | |
538 | .name = "YFS.CreateFile", | |
539 | .op = yfs_FS_CreateFile, | |
540 | .deliver = yfs_deliver_fs_create_vnode, | |
541 | .destructor = afs_flat_call_destructor, | |
542 | }; | |
543 | ||
544 | /* | |
545 | * Create a file. | |
546 | */ | |
e49c7b2f | 547 | void yfs_fs_create_file(struct afs_operation *op) |
30062bd1 | 548 | { |
e49c7b2f DH |
549 | const struct qstr *name = &op->dentry->d_name; |
550 | struct afs_vnode_param *dvp = &op->file[0]; | |
30062bd1 | 551 | struct afs_call *call; |
e49c7b2f | 552 | size_t reqsz, rplsz; |
30062bd1 DH |
553 | __be32 *bp; |
554 | ||
555 | _enter(""); | |
556 | ||
30062bd1 DH |
557 | reqsz = (sizeof(__be32) + |
558 | sizeof(__be32) + | |
559 | sizeof(struct yfs_xdr_YFSFid) + | |
e49c7b2f | 560 | xdr_strlen(name->len) + |
30062bd1 DH |
561 | sizeof(struct yfs_xdr_YFSStoreStatus) + |
562 | sizeof(__be32)); | |
563 | rplsz = (sizeof(struct yfs_xdr_YFSFid) + | |
564 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
565 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
566 | sizeof(struct yfs_xdr_YFSCallBack) + | |
567 | sizeof(struct yfs_xdr_YFSVolSync)); | |
568 | ||
e49c7b2f | 569 | call = afs_alloc_flat_call(op->net, &afs_RXFSCreateFile, reqsz, rplsz); |
30062bd1 | 570 | if (!call) |
e49c7b2f | 571 | return afs_op_nomem(op); |
30062bd1 DH |
572 | |
573 | /* marshall the parameters */ | |
574 | bp = call->request; | |
575 | bp = xdr_encode_u32(bp, YFSCREATEFILE); | |
576 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
577 | bp = xdr_encode_YFSFid(bp, &dvp->fid); |
578 | bp = xdr_encode_name(bp, name); | |
579 | bp = xdr_encode_YFSStoreStatus_mode(bp, op->create.mode); | |
5edc22cc | 580 | bp = xdr_encode_u32(bp, yfs_LockNone); /* ViceLockType */ |
30062bd1 DH |
581 | yfs_check_req(call, bp); |
582 | ||
e49c7b2f DH |
583 | trace_afs_make_fs_call1(call, &dvp->fid, name); |
584 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
585 | } |
586 | ||
587 | static const struct afs_call_type yfs_RXFSMakeDir = { | |
588 | .name = "YFS.MakeDir", | |
589 | .op = yfs_FS_MakeDir, | |
590 | .deliver = yfs_deliver_fs_create_vnode, | |
591 | .destructor = afs_flat_call_destructor, | |
592 | }; | |
593 | ||
594 | /* | |
595 | * Make a directory. | |
596 | */ | |
e49c7b2f | 597 | void yfs_fs_make_dir(struct afs_operation *op) |
30062bd1 | 598 | { |
e49c7b2f DH |
599 | const struct qstr *name = &op->dentry->d_name; |
600 | struct afs_vnode_param *dvp = &op->file[0]; | |
30062bd1 | 601 | struct afs_call *call; |
e49c7b2f | 602 | size_t reqsz, rplsz; |
30062bd1 DH |
603 | __be32 *bp; |
604 | ||
605 | _enter(""); | |
606 | ||
30062bd1 DH |
607 | reqsz = (sizeof(__be32) + |
608 | sizeof(struct yfs_xdr_RPCFlags) + | |
609 | sizeof(struct yfs_xdr_YFSFid) + | |
e49c7b2f | 610 | xdr_strlen(name->len) + |
30062bd1 DH |
611 | sizeof(struct yfs_xdr_YFSStoreStatus)); |
612 | rplsz = (sizeof(struct yfs_xdr_YFSFid) + | |
613 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
614 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
615 | sizeof(struct yfs_xdr_YFSCallBack) + | |
616 | sizeof(struct yfs_xdr_YFSVolSync)); | |
617 | ||
e49c7b2f | 618 | call = afs_alloc_flat_call(op->net, &yfs_RXFSMakeDir, reqsz, rplsz); |
30062bd1 | 619 | if (!call) |
e49c7b2f | 620 | return afs_op_nomem(op); |
30062bd1 DH |
621 | |
622 | /* marshall the parameters */ | |
623 | bp = call->request; | |
624 | bp = xdr_encode_u32(bp, YFSMAKEDIR); | |
625 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
626 | bp = xdr_encode_YFSFid(bp, &dvp->fid); |
627 | bp = xdr_encode_name(bp, name); | |
628 | bp = xdr_encode_YFSStoreStatus_mode(bp, op->create.mode); | |
30062bd1 DH |
629 | yfs_check_req(call, bp); |
630 | ||
e49c7b2f DH |
631 | trace_afs_make_fs_call1(call, &dvp->fid, name); |
632 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
633 | } |
634 | ||
635 | /* | |
636 | * Deliver reply data to a YFS.RemoveFile2 operation. | |
637 | */ | |
638 | static int yfs_deliver_fs_remove_file2(struct afs_call *call) | |
639 | { | |
e49c7b2f DH |
640 | struct afs_operation *op = call->op; |
641 | struct afs_vnode_param *dvp = &op->file[0]; | |
642 | struct afs_vnode_param *vp = &op->file[1]; | |
30062bd1 DH |
643 | struct afs_fid fid; |
644 | const __be32 *bp; | |
645 | int ret; | |
646 | ||
647 | _enter("{%u}", call->unmarshall); | |
648 | ||
649 | ret = afs_transfer_reply(call); | |
650 | if (ret < 0) | |
651 | return ret; | |
652 | ||
30062bd1 | 653 | bp = call->buffer; |
e49c7b2f | 654 | xdr_decode_YFSFetchStatus(&bp, call, &dvp->scb); |
30062bd1 | 655 | xdr_decode_YFSFid(&bp, &fid); |
e49c7b2f | 656 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); |
30062bd1 DH |
657 | /* Was deleted if vnode->status.abort_code == VNOVNODE. */ |
658 | ||
e49c7b2f | 659 | xdr_decode_YFSVolSync(&bp, &op->volsync); |
30062bd1 DH |
660 | return 0; |
661 | } | |
662 | ||
e49c7b2f DH |
663 | static void yfs_done_fs_remove_file2(struct afs_call *call) |
664 | { | |
665 | if (call->error == -ECONNABORTED && | |
666 | call->abort_code == RX_INVALID_OPERATION) { | |
667 | set_bit(AFS_SERVER_FL_NO_RM2, &call->server->flags); | |
668 | call->op->flags |= AFS_OPERATION_DOWNGRADE; | |
669 | } | |
670 | } | |
671 | ||
30062bd1 DH |
672 | /* |
673 | * YFS.RemoveFile2 operation type. | |
674 | */ | |
675 | static const struct afs_call_type yfs_RXYFSRemoveFile2 = { | |
676 | .name = "YFS.RemoveFile2", | |
677 | .op = yfs_FS_RemoveFile2, | |
678 | .deliver = yfs_deliver_fs_remove_file2, | |
e49c7b2f | 679 | .done = yfs_done_fs_remove_file2, |
30062bd1 DH |
680 | .destructor = afs_flat_call_destructor, |
681 | }; | |
682 | ||
683 | /* | |
684 | * Remove a file and retrieve new file status. | |
685 | */ | |
e49c7b2f | 686 | void yfs_fs_remove_file2(struct afs_operation *op) |
30062bd1 | 687 | { |
e49c7b2f DH |
688 | struct afs_vnode_param *dvp = &op->file[0]; |
689 | const struct qstr *name = &op->dentry->d_name; | |
30062bd1 | 690 | struct afs_call *call; |
30062bd1 DH |
691 | __be32 *bp; |
692 | ||
693 | _enter(""); | |
694 | ||
e49c7b2f | 695 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSRemoveFile2, |
30062bd1 DH |
696 | sizeof(__be32) + |
697 | sizeof(struct yfs_xdr_RPCFlags) + | |
698 | sizeof(struct yfs_xdr_YFSFid) + | |
e49c7b2f | 699 | xdr_strlen(name->len), |
30062bd1 DH |
700 | sizeof(struct yfs_xdr_YFSFetchStatus) + |
701 | sizeof(struct yfs_xdr_YFSFid) + | |
702 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
703 | sizeof(struct yfs_xdr_YFSVolSync)); | |
704 | if (!call) | |
e49c7b2f | 705 | return afs_op_nomem(op); |
30062bd1 DH |
706 | |
707 | /* marshall the parameters */ | |
708 | bp = call->request; | |
709 | bp = xdr_encode_u32(bp, YFSREMOVEFILE2); | |
710 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
711 | bp = xdr_encode_YFSFid(bp, &dvp->fid); |
712 | bp = xdr_encode_name(bp, name); | |
30062bd1 DH |
713 | yfs_check_req(call, bp); |
714 | ||
e49c7b2f DH |
715 | trace_afs_make_fs_call1(call, &dvp->fid, name); |
716 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
717 | } |
718 | ||
719 | /* | |
720 | * Deliver reply data to a YFS.RemoveFile or YFS.RemoveDir operation. | |
721 | */ | |
722 | static int yfs_deliver_fs_remove(struct afs_call *call) | |
723 | { | |
e49c7b2f DH |
724 | struct afs_operation *op = call->op; |
725 | struct afs_vnode_param *dvp = &op->file[0]; | |
30062bd1 DH |
726 | const __be32 *bp; |
727 | int ret; | |
728 | ||
729 | _enter("{%u}", call->unmarshall); | |
730 | ||
731 | ret = afs_transfer_reply(call); | |
732 | if (ret < 0) | |
733 | return ret; | |
734 | ||
30062bd1 | 735 | bp = call->buffer; |
e49c7b2f DH |
736 | xdr_decode_YFSFetchStatus(&bp, call, &dvp->scb); |
737 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 DH |
738 | return 0; |
739 | } | |
740 | ||
741 | /* | |
742 | * FS.RemoveDir and FS.RemoveFile operation types. | |
743 | */ | |
744 | static const struct afs_call_type yfs_RXYFSRemoveFile = { | |
745 | .name = "YFS.RemoveFile", | |
746 | .op = yfs_FS_RemoveFile, | |
747 | .deliver = yfs_deliver_fs_remove, | |
748 | .destructor = afs_flat_call_destructor, | |
749 | }; | |
750 | ||
e49c7b2f DH |
751 | /* |
752 | * Remove a file. | |
753 | */ | |
754 | void yfs_fs_remove_file(struct afs_operation *op) | |
755 | { | |
756 | const struct qstr *name = &op->dentry->d_name; | |
757 | struct afs_vnode_param *dvp = &op->file[0]; | |
758 | struct afs_call *call; | |
759 | __be32 *bp; | |
760 | ||
761 | _enter(""); | |
762 | ||
20325960 | 763 | if (!test_bit(AFS_SERVER_FL_NO_RM2, &op->server->flags)) |
e49c7b2f DH |
764 | return yfs_fs_remove_file2(op); |
765 | ||
766 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSRemoveFile, | |
767 | sizeof(__be32) + | |
768 | sizeof(struct yfs_xdr_RPCFlags) + | |
769 | sizeof(struct yfs_xdr_YFSFid) + | |
770 | xdr_strlen(name->len), | |
771 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
772 | sizeof(struct yfs_xdr_YFSVolSync)); | |
773 | if (!call) | |
774 | return afs_op_nomem(op); | |
775 | ||
776 | /* marshall the parameters */ | |
777 | bp = call->request; | |
778 | bp = xdr_encode_u32(bp, YFSREMOVEFILE); | |
779 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
780 | bp = xdr_encode_YFSFid(bp, &dvp->fid); | |
781 | bp = xdr_encode_name(bp, name); | |
782 | yfs_check_req(call, bp); | |
783 | ||
784 | trace_afs_make_fs_call1(call, &dvp->fid, name); | |
785 | afs_make_op_call(op, call, GFP_NOFS); | |
786 | } | |
787 | ||
30062bd1 DH |
788 | static const struct afs_call_type yfs_RXYFSRemoveDir = { |
789 | .name = "YFS.RemoveDir", | |
790 | .op = yfs_FS_RemoveDir, | |
791 | .deliver = yfs_deliver_fs_remove, | |
792 | .destructor = afs_flat_call_destructor, | |
793 | }; | |
794 | ||
795 | /* | |
e49c7b2f | 796 | * Remove a directory. |
30062bd1 | 797 | */ |
e49c7b2f | 798 | void yfs_fs_remove_dir(struct afs_operation *op) |
30062bd1 | 799 | { |
e49c7b2f DH |
800 | const struct qstr *name = &op->dentry->d_name; |
801 | struct afs_vnode_param *dvp = &op->file[0]; | |
30062bd1 | 802 | struct afs_call *call; |
30062bd1 DH |
803 | __be32 *bp; |
804 | ||
805 | _enter(""); | |
806 | ||
e49c7b2f DH |
807 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSRemoveDir, |
808 | sizeof(__be32) + | |
809 | sizeof(struct yfs_xdr_RPCFlags) + | |
810 | sizeof(struct yfs_xdr_YFSFid) + | |
811 | xdr_strlen(name->len), | |
812 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
813 | sizeof(struct yfs_xdr_YFSVolSync)); | |
30062bd1 | 814 | if (!call) |
e49c7b2f | 815 | return afs_op_nomem(op); |
30062bd1 DH |
816 | |
817 | /* marshall the parameters */ | |
818 | bp = call->request; | |
e49c7b2f | 819 | bp = xdr_encode_u32(bp, YFSREMOVEDIR); |
30062bd1 | 820 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ |
e49c7b2f DH |
821 | bp = xdr_encode_YFSFid(bp, &dvp->fid); |
822 | bp = xdr_encode_name(bp, name); | |
30062bd1 DH |
823 | yfs_check_req(call, bp); |
824 | ||
e49c7b2f DH |
825 | trace_afs_make_fs_call1(call, &dvp->fid, name); |
826 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
827 | } |
828 | ||
829 | /* | |
830 | * Deliver reply data to a YFS.Link operation. | |
831 | */ | |
832 | static int yfs_deliver_fs_link(struct afs_call *call) | |
833 | { | |
e49c7b2f DH |
834 | struct afs_operation *op = call->op; |
835 | struct afs_vnode_param *dvp = &op->file[0]; | |
836 | struct afs_vnode_param *vp = &op->file[1]; | |
30062bd1 DH |
837 | const __be32 *bp; |
838 | int ret; | |
839 | ||
840 | _enter("{%u}", call->unmarshall); | |
841 | ||
842 | ret = afs_transfer_reply(call); | |
843 | if (ret < 0) | |
844 | return ret; | |
845 | ||
30062bd1 | 846 | bp = call->buffer; |
e49c7b2f DH |
847 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); |
848 | xdr_decode_YFSFetchStatus(&bp, call, &dvp->scb); | |
849 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 DH |
850 | _leave(" = 0 [done]"); |
851 | return 0; | |
852 | } | |
853 | ||
854 | /* | |
855 | * YFS.Link operation type. | |
856 | */ | |
857 | static const struct afs_call_type yfs_RXYFSLink = { | |
858 | .name = "YFS.Link", | |
859 | .op = yfs_FS_Link, | |
860 | .deliver = yfs_deliver_fs_link, | |
861 | .destructor = afs_flat_call_destructor, | |
862 | }; | |
863 | ||
864 | /* | |
865 | * Make a hard link. | |
866 | */ | |
e49c7b2f | 867 | void yfs_fs_link(struct afs_operation *op) |
30062bd1 | 868 | { |
e49c7b2f DH |
869 | const struct qstr *name = &op->dentry->d_name; |
870 | struct afs_vnode_param *dvp = &op->file[0]; | |
871 | struct afs_vnode_param *vp = &op->file[1]; | |
30062bd1 | 872 | struct afs_call *call; |
30062bd1 DH |
873 | __be32 *bp; |
874 | ||
875 | _enter(""); | |
876 | ||
e49c7b2f | 877 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSLink, |
30062bd1 DH |
878 | sizeof(__be32) + |
879 | sizeof(struct yfs_xdr_RPCFlags) + | |
880 | sizeof(struct yfs_xdr_YFSFid) + | |
e49c7b2f | 881 | xdr_strlen(name->len) + |
30062bd1 DH |
882 | sizeof(struct yfs_xdr_YFSFid), |
883 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
884 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
885 | sizeof(struct yfs_xdr_YFSVolSync)); | |
886 | if (!call) | |
e49c7b2f | 887 | return afs_op_nomem(op); |
30062bd1 DH |
888 | |
889 | /* marshall the parameters */ | |
890 | bp = call->request; | |
891 | bp = xdr_encode_u32(bp, YFSLINK); | |
892 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
893 | bp = xdr_encode_YFSFid(bp, &dvp->fid); |
894 | bp = xdr_encode_name(bp, name); | |
895 | bp = xdr_encode_YFSFid(bp, &vp->fid); | |
30062bd1 DH |
896 | yfs_check_req(call, bp); |
897 | ||
e49c7b2f DH |
898 | trace_afs_make_fs_call1(call, &vp->fid, name); |
899 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
900 | } |
901 | ||
902 | /* | |
903 | * Deliver reply data to a YFS.Symlink operation. | |
904 | */ | |
905 | static int yfs_deliver_fs_symlink(struct afs_call *call) | |
906 | { | |
e49c7b2f DH |
907 | struct afs_operation *op = call->op; |
908 | struct afs_vnode_param *dvp = &op->file[0]; | |
909 | struct afs_vnode_param *vp = &op->file[1]; | |
30062bd1 DH |
910 | const __be32 *bp; |
911 | int ret; | |
912 | ||
913 | _enter("{%u}", call->unmarshall); | |
914 | ||
915 | ret = afs_transfer_reply(call); | |
916 | if (ret < 0) | |
917 | return ret; | |
918 | ||
919 | /* unmarshall the reply once we've received all of it */ | |
920 | bp = call->buffer; | |
e49c7b2f DH |
921 | xdr_decode_YFSFid(&bp, &vp->fid); |
922 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); | |
923 | xdr_decode_YFSFetchStatus(&bp, call, &dvp->scb); | |
924 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 DH |
925 | |
926 | _leave(" = 0 [done]"); | |
927 | return 0; | |
928 | } | |
929 | ||
930 | /* | |
931 | * YFS.Symlink operation type | |
932 | */ | |
933 | static const struct afs_call_type yfs_RXYFSSymlink = { | |
934 | .name = "YFS.Symlink", | |
935 | .op = yfs_FS_Symlink, | |
936 | .deliver = yfs_deliver_fs_symlink, | |
937 | .destructor = afs_flat_call_destructor, | |
938 | }; | |
939 | ||
940 | /* | |
941 | * Create a symbolic link. | |
942 | */ | |
e49c7b2f | 943 | void yfs_fs_symlink(struct afs_operation *op) |
30062bd1 | 944 | { |
e49c7b2f DH |
945 | const struct qstr *name = &op->dentry->d_name; |
946 | struct afs_vnode_param *dvp = &op->file[0]; | |
30062bd1 | 947 | struct afs_call *call; |
e49c7b2f | 948 | size_t contents_sz; |
30062bd1 DH |
949 | __be32 *bp; |
950 | ||
951 | _enter(""); | |
952 | ||
e49c7b2f DH |
953 | contents_sz = strlen(op->create.symlink); |
954 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSSymlink, | |
30062bd1 DH |
955 | sizeof(__be32) + |
956 | sizeof(struct yfs_xdr_RPCFlags) + | |
957 | sizeof(struct yfs_xdr_YFSFid) + | |
e49c7b2f | 958 | xdr_strlen(name->len) + |
30062bd1 DH |
959 | xdr_strlen(contents_sz) + |
960 | sizeof(struct yfs_xdr_YFSStoreStatus), | |
961 | sizeof(struct yfs_xdr_YFSFid) + | |
962 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
963 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
964 | sizeof(struct yfs_xdr_YFSVolSync)); | |
965 | if (!call) | |
e49c7b2f | 966 | return afs_op_nomem(op); |
30062bd1 DH |
967 | |
968 | /* marshall the parameters */ | |
969 | bp = call->request; | |
970 | bp = xdr_encode_u32(bp, YFSSYMLINK); | |
971 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
972 | bp = xdr_encode_YFSFid(bp, &dvp->fid); |
973 | bp = xdr_encode_name(bp, name); | |
974 | bp = xdr_encode_string(bp, op->create.symlink, contents_sz); | |
30062bd1 DH |
975 | bp = xdr_encode_YFSStoreStatus_mode(bp, S_IRWXUGO); |
976 | yfs_check_req(call, bp); | |
977 | ||
e49c7b2f DH |
978 | trace_afs_make_fs_call1(call, &dvp->fid, name); |
979 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
980 | } |
981 | ||
982 | /* | |
983 | * Deliver reply data to a YFS.Rename operation. | |
984 | */ | |
985 | static int yfs_deliver_fs_rename(struct afs_call *call) | |
986 | { | |
e49c7b2f DH |
987 | struct afs_operation *op = call->op; |
988 | struct afs_vnode_param *orig_dvp = &op->file[0]; | |
989 | struct afs_vnode_param *new_dvp = &op->file[1]; | |
30062bd1 DH |
990 | const __be32 *bp; |
991 | int ret; | |
992 | ||
993 | _enter("{%u}", call->unmarshall); | |
994 | ||
995 | ret = afs_transfer_reply(call); | |
996 | if (ret < 0) | |
997 | return ret; | |
998 | ||
30062bd1 | 999 | bp = call->buffer; |
38355eec DH |
1000 | /* If the two dirs are the same, we have two copies of the same status |
1001 | * report, so we just decode it twice. | |
1002 | */ | |
e49c7b2f DH |
1003 | xdr_decode_YFSFetchStatus(&bp, call, &orig_dvp->scb); |
1004 | xdr_decode_YFSFetchStatus(&bp, call, &new_dvp->scb); | |
1005 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
30062bd1 DH |
1006 | _leave(" = 0 [done]"); |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | /* | |
1011 | * YFS.Rename operation type | |
1012 | */ | |
1013 | static const struct afs_call_type yfs_RXYFSRename = { | |
1014 | .name = "FS.Rename", | |
1015 | .op = yfs_FS_Rename, | |
1016 | .deliver = yfs_deliver_fs_rename, | |
1017 | .destructor = afs_flat_call_destructor, | |
1018 | }; | |
1019 | ||
1020 | /* | |
1021 | * Rename a file or directory. | |
1022 | */ | |
e49c7b2f | 1023 | void yfs_fs_rename(struct afs_operation *op) |
30062bd1 | 1024 | { |
e49c7b2f DH |
1025 | struct afs_vnode_param *orig_dvp = &op->file[0]; |
1026 | struct afs_vnode_param *new_dvp = &op->file[1]; | |
1027 | const struct qstr *orig_name = &op->dentry->d_name; | |
1028 | const struct qstr *new_name = &op->dentry_2->d_name; | |
30062bd1 | 1029 | struct afs_call *call; |
30062bd1 DH |
1030 | __be32 *bp; |
1031 | ||
1032 | _enter(""); | |
1033 | ||
e49c7b2f | 1034 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSRename, |
30062bd1 DH |
1035 | sizeof(__be32) + |
1036 | sizeof(struct yfs_xdr_RPCFlags) + | |
1037 | sizeof(struct yfs_xdr_YFSFid) + | |
e49c7b2f | 1038 | xdr_strlen(orig_name->len) + |
30062bd1 | 1039 | sizeof(struct yfs_xdr_YFSFid) + |
e49c7b2f | 1040 | xdr_strlen(new_name->len), |
30062bd1 DH |
1041 | sizeof(struct yfs_xdr_YFSFetchStatus) + |
1042 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1043 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1044 | if (!call) | |
e49c7b2f | 1045 | return afs_op_nomem(op); |
30062bd1 DH |
1046 | |
1047 | /* marshall the parameters */ | |
1048 | bp = call->request; | |
1049 | bp = xdr_encode_u32(bp, YFSRENAME); | |
1050 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
1051 | bp = xdr_encode_YFSFid(bp, &orig_dvp->fid); |
1052 | bp = xdr_encode_name(bp, orig_name); | |
1053 | bp = xdr_encode_YFSFid(bp, &new_dvp->fid); | |
1054 | bp = xdr_encode_name(bp, new_name); | |
30062bd1 DH |
1055 | yfs_check_req(call, bp); |
1056 | ||
e49c7b2f DH |
1057 | trace_afs_make_fs_call2(call, &orig_dvp->fid, orig_name, new_name); |
1058 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1059 | } |
1060 | ||
30062bd1 DH |
1061 | /* |
1062 | * YFS.StoreData64 operation type. | |
1063 | */ | |
1064 | static const struct afs_call_type yfs_RXYFSStoreData64 = { | |
1065 | .name = "YFS.StoreData64", | |
1066 | .op = yfs_FS_StoreData64, | |
a58823ac | 1067 | .deliver = yfs_deliver_status_and_volsync, |
30062bd1 DH |
1068 | .destructor = afs_flat_call_destructor, |
1069 | }; | |
1070 | ||
1071 | /* | |
1072 | * Store a set of pages to a large file. | |
1073 | */ | |
e49c7b2f | 1074 | void yfs_fs_store_data(struct afs_operation *op) |
30062bd1 | 1075 | { |
e49c7b2f | 1076 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1077 | struct afs_call *call; |
30062bd1 DH |
1078 | __be32 *bp; |
1079 | ||
1080 | _enter(",%x,{%llx:%llu},,", | |
e49c7b2f | 1081 | key_serial(op->key), vp->fid.vid, vp->fid.vnode); |
30062bd1 | 1082 | |
30062bd1 | 1083 | _debug("size %llx, at %llx, i_size %llx", |
bd80d8a8 DH |
1084 | (unsigned long long)op->store.size, |
1085 | (unsigned long long)op->store.pos, | |
1086 | (unsigned long long)op->store.i_size); | |
30062bd1 | 1087 | |
e49c7b2f | 1088 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSStoreData64, |
30062bd1 DH |
1089 | sizeof(__be32) + |
1090 | sizeof(__be32) + | |
1091 | sizeof(struct yfs_xdr_YFSFid) + | |
1092 | sizeof(struct yfs_xdr_YFSStoreStatus) + | |
1093 | sizeof(struct yfs_xdr_u64) * 3, | |
1094 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1095 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1096 | if (!call) | |
e49c7b2f DH |
1097 | return afs_op_nomem(op); |
1098 | ||
bd80d8a8 | 1099 | call->write_iter = op->store.write_iter; |
30062bd1 DH |
1100 | |
1101 | /* marshall the parameters */ | |
1102 | bp = call->request; | |
1103 | bp = xdr_encode_u32(bp, YFSSTOREDATA64); | |
1104 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
1105 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
1106 | bp = xdr_encode_YFSStoreStatus_mtime(bp, &op->mtime); | |
bd80d8a8 DH |
1107 | bp = xdr_encode_u64(bp, op->store.pos); |
1108 | bp = xdr_encode_u64(bp, op->store.size); | |
1109 | bp = xdr_encode_u64(bp, op->store.i_size); | |
30062bd1 DH |
1110 | yfs_check_req(call, bp); |
1111 | ||
e49c7b2f DH |
1112 | trace_afs_make_fs_call(call, &vp->fid); |
1113 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1114 | } |
1115 | ||
30062bd1 DH |
1116 | /* |
1117 | * YFS.StoreStatus operation type | |
1118 | */ | |
1119 | static const struct afs_call_type yfs_RXYFSStoreStatus = { | |
1120 | .name = "YFS.StoreStatus", | |
1121 | .op = yfs_FS_StoreStatus, | |
a58823ac | 1122 | .deliver = yfs_deliver_status_and_volsync, |
30062bd1 DH |
1123 | .destructor = afs_flat_call_destructor, |
1124 | }; | |
1125 | ||
1126 | static const struct afs_call_type yfs_RXYFSStoreData64_as_Status = { | |
1127 | .name = "YFS.StoreData64", | |
1128 | .op = yfs_FS_StoreData64, | |
a58823ac | 1129 | .deliver = yfs_deliver_status_and_volsync, |
30062bd1 DH |
1130 | .destructor = afs_flat_call_destructor, |
1131 | }; | |
1132 | ||
1133 | /* | |
1134 | * Set the attributes on a file, using YFS.StoreData64 rather than | |
1135 | * YFS.StoreStatus so as to alter the file size also. | |
1136 | */ | |
e49c7b2f | 1137 | static void yfs_fs_setattr_size(struct afs_operation *op) |
30062bd1 | 1138 | { |
e49c7b2f | 1139 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1140 | struct afs_call *call; |
e49c7b2f | 1141 | struct iattr *attr = op->setattr.attr; |
30062bd1 DH |
1142 | __be32 *bp; |
1143 | ||
1144 | _enter(",%x,{%llx:%llu},,", | |
e49c7b2f | 1145 | key_serial(op->key), vp->fid.vid, vp->fid.vnode); |
30062bd1 | 1146 | |
e49c7b2f | 1147 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSStoreData64_as_Status, |
30062bd1 DH |
1148 | sizeof(__be32) * 2 + |
1149 | sizeof(struct yfs_xdr_YFSFid) + | |
1150 | sizeof(struct yfs_xdr_YFSStoreStatus) + | |
1151 | sizeof(struct yfs_xdr_u64) * 3, | |
1152 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1153 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1154 | if (!call) | |
e49c7b2f | 1155 | return afs_op_nomem(op); |
30062bd1 DH |
1156 | |
1157 | /* marshall the parameters */ | |
1158 | bp = call->request; | |
1159 | bp = xdr_encode_u32(bp, YFSSTOREDATA64); | |
1160 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1161 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
30062bd1 | 1162 | bp = xdr_encode_YFS_StoreStatus(bp, attr); |
8c7ae38d | 1163 | bp = xdr_encode_u64(bp, attr->ia_size); /* position of start of write */ |
30062bd1 DH |
1164 | bp = xdr_encode_u64(bp, 0); /* size of write */ |
1165 | bp = xdr_encode_u64(bp, attr->ia_size); /* new file length */ | |
1166 | yfs_check_req(call, bp); | |
1167 | ||
e49c7b2f DH |
1168 | trace_afs_make_fs_call(call, &vp->fid); |
1169 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1170 | } |
1171 | ||
1172 | /* | |
1173 | * Set the attributes on a file, using YFS.StoreData64 if there's a change in | |
1174 | * file size, and YFS.StoreStatus otherwise. | |
1175 | */ | |
e49c7b2f | 1176 | void yfs_fs_setattr(struct afs_operation *op) |
30062bd1 | 1177 | { |
e49c7b2f | 1178 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1179 | struct afs_call *call; |
e49c7b2f | 1180 | struct iattr *attr = op->setattr.attr; |
30062bd1 DH |
1181 | __be32 *bp; |
1182 | ||
1183 | if (attr->ia_valid & ATTR_SIZE) | |
e49c7b2f | 1184 | return yfs_fs_setattr_size(op); |
30062bd1 DH |
1185 | |
1186 | _enter(",%x,{%llx:%llu},,", | |
e49c7b2f | 1187 | key_serial(op->key), vp->fid.vid, vp->fid.vnode); |
30062bd1 | 1188 | |
e49c7b2f | 1189 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSStoreStatus, |
30062bd1 DH |
1190 | sizeof(__be32) * 2 + |
1191 | sizeof(struct yfs_xdr_YFSFid) + | |
1192 | sizeof(struct yfs_xdr_YFSStoreStatus), | |
1193 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1194 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1195 | if (!call) | |
e49c7b2f | 1196 | return afs_op_nomem(op); |
30062bd1 DH |
1197 | |
1198 | /* marshall the parameters */ | |
1199 | bp = call->request; | |
1200 | bp = xdr_encode_u32(bp, YFSSTORESTATUS); | |
1201 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1202 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
30062bd1 DH |
1203 | bp = xdr_encode_YFS_StoreStatus(bp, attr); |
1204 | yfs_check_req(call, bp); | |
1205 | ||
e49c7b2f DH |
1206 | trace_afs_make_fs_call(call, &vp->fid); |
1207 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1208 | } |
1209 | ||
1210 | /* | |
1211 | * Deliver reply data to a YFS.GetVolumeStatus operation. | |
1212 | */ | |
1213 | static int yfs_deliver_fs_get_volume_status(struct afs_call *call) | |
1214 | { | |
e49c7b2f | 1215 | struct afs_operation *op = call->op; |
30062bd1 DH |
1216 | const __be32 *bp; |
1217 | char *p; | |
1218 | u32 size; | |
1219 | int ret; | |
1220 | ||
1221 | _enter("{%u}", call->unmarshall); | |
1222 | ||
1223 | switch (call->unmarshall) { | |
1224 | case 0: | |
1225 | call->unmarshall++; | |
1226 | afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSFetchVolumeStatus)); | |
df561f66 | 1227 | fallthrough; |
30062bd1 | 1228 | |
35a3a90c | 1229 | /* extract the returned status record */ |
30062bd1 DH |
1230 | case 1: |
1231 | _debug("extract status"); | |
1232 | ret = afs_extract_data(call, true); | |
1233 | if (ret < 0) | |
1234 | return ret; | |
1235 | ||
1236 | bp = call->buffer; | |
e49c7b2f | 1237 | xdr_decode_YFSFetchVolumeStatus(&bp, &op->volstatus.vs); |
30062bd1 DH |
1238 | call->unmarshall++; |
1239 | afs_extract_to_tmp(call); | |
df561f66 | 1240 | fallthrough; |
30062bd1 | 1241 | |
35a3a90c | 1242 | /* extract the volume name length */ |
30062bd1 DH |
1243 | case 2: |
1244 | ret = afs_extract_data(call, true); | |
1245 | if (ret < 0) | |
1246 | return ret; | |
1247 | ||
1248 | call->count = ntohl(call->tmp); | |
1249 | _debug("volname length: %u", call->count); | |
1250 | if (call->count >= AFSNAMEMAX) | |
7126ead9 | 1251 | return afs_protocol_error(call, afs_eproto_volname_len); |
30062bd1 | 1252 | size = (call->count + 3) & ~3; /* It's padded */ |
ffba718e | 1253 | afs_extract_to_buf(call, size); |
30062bd1 | 1254 | call->unmarshall++; |
df561f66 | 1255 | fallthrough; |
30062bd1 | 1256 | |
35a3a90c | 1257 | /* extract the volume name */ |
30062bd1 DH |
1258 | case 3: |
1259 | _debug("extract volname"); | |
1260 | ret = afs_extract_data(call, true); | |
1261 | if (ret < 0) | |
1262 | return ret; | |
1263 | ||
ffba718e | 1264 | p = call->buffer; |
30062bd1 DH |
1265 | p[call->count] = 0; |
1266 | _debug("volname '%s'", p); | |
1267 | afs_extract_to_tmp(call); | |
1268 | call->unmarshall++; | |
df561f66 | 1269 | fallthrough; |
30062bd1 | 1270 | |
35a3a90c | 1271 | /* extract the offline message length */ |
30062bd1 DH |
1272 | case 4: |
1273 | ret = afs_extract_data(call, true); | |
1274 | if (ret < 0) | |
1275 | return ret; | |
1276 | ||
1277 | call->count = ntohl(call->tmp); | |
1278 | _debug("offline msg length: %u", call->count); | |
1279 | if (call->count >= AFSNAMEMAX) | |
7126ead9 | 1280 | return afs_protocol_error(call, afs_eproto_offline_msg_len); |
30062bd1 | 1281 | size = (call->count + 3) & ~3; /* It's padded */ |
ffba718e | 1282 | afs_extract_to_buf(call, size); |
30062bd1 | 1283 | call->unmarshall++; |
df561f66 | 1284 | fallthrough; |
30062bd1 | 1285 | |
35a3a90c | 1286 | /* extract the offline message */ |
30062bd1 DH |
1287 | case 5: |
1288 | _debug("extract offline"); | |
1289 | ret = afs_extract_data(call, true); | |
1290 | if (ret < 0) | |
1291 | return ret; | |
1292 | ||
ffba718e | 1293 | p = call->buffer; |
30062bd1 DH |
1294 | p[call->count] = 0; |
1295 | _debug("offline '%s'", p); | |
1296 | ||
1297 | afs_extract_to_tmp(call); | |
1298 | call->unmarshall++; | |
df561f66 | 1299 | fallthrough; |
30062bd1 | 1300 | |
35a3a90c | 1301 | /* extract the message of the day length */ |
30062bd1 DH |
1302 | case 6: |
1303 | ret = afs_extract_data(call, true); | |
1304 | if (ret < 0) | |
1305 | return ret; | |
1306 | ||
1307 | call->count = ntohl(call->tmp); | |
1308 | _debug("motd length: %u", call->count); | |
1309 | if (call->count >= AFSNAMEMAX) | |
7126ead9 | 1310 | return afs_protocol_error(call, afs_eproto_motd_len); |
30062bd1 | 1311 | size = (call->count + 3) & ~3; /* It's padded */ |
ffba718e | 1312 | afs_extract_to_buf(call, size); |
30062bd1 | 1313 | call->unmarshall++; |
df561f66 | 1314 | fallthrough; |
30062bd1 | 1315 | |
35a3a90c | 1316 | /* extract the message of the day */ |
30062bd1 DH |
1317 | case 7: |
1318 | _debug("extract motd"); | |
1319 | ret = afs_extract_data(call, false); | |
1320 | if (ret < 0) | |
1321 | return ret; | |
1322 | ||
ffba718e | 1323 | p = call->buffer; |
30062bd1 DH |
1324 | p[call->count] = 0; |
1325 | _debug("motd '%s'", p); | |
1326 | ||
1327 | call->unmarshall++; | |
df561f66 | 1328 | fallthrough; |
35a3a90c | 1329 | |
30062bd1 DH |
1330 | case 8: |
1331 | break; | |
1332 | } | |
1333 | ||
1334 | _leave(" = 0 [done]"); | |
1335 | return 0; | |
1336 | } | |
1337 | ||
30062bd1 DH |
1338 | /* |
1339 | * YFS.GetVolumeStatus operation type | |
1340 | */ | |
1341 | static const struct afs_call_type yfs_RXYFSGetVolumeStatus = { | |
1342 | .name = "YFS.GetVolumeStatus", | |
1343 | .op = yfs_FS_GetVolumeStatus, | |
1344 | .deliver = yfs_deliver_fs_get_volume_status, | |
ffba718e | 1345 | .destructor = afs_flat_call_destructor, |
30062bd1 DH |
1346 | }; |
1347 | ||
1348 | /* | |
1349 | * fetch the status of a volume | |
1350 | */ | |
e49c7b2f | 1351 | void yfs_fs_get_volume_status(struct afs_operation *op) |
30062bd1 | 1352 | { |
e49c7b2f | 1353 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1354 | struct afs_call *call; |
30062bd1 | 1355 | __be32 *bp; |
30062bd1 DH |
1356 | |
1357 | _enter(""); | |
1358 | ||
e49c7b2f | 1359 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSGetVolumeStatus, |
30062bd1 DH |
1360 | sizeof(__be32) * 2 + |
1361 | sizeof(struct yfs_xdr_u64), | |
ffba718e DH |
1362 | max_t(size_t, |
1363 | sizeof(struct yfs_xdr_YFSFetchVolumeStatus) + | |
1364 | sizeof(__be32), | |
1365 | AFSOPAQUEMAX + 1)); | |
1366 | if (!call) | |
e49c7b2f | 1367 | return afs_op_nomem(op); |
30062bd1 DH |
1368 | |
1369 | /* marshall the parameters */ | |
1370 | bp = call->request; | |
1371 | bp = xdr_encode_u32(bp, YFSGETVOLUMESTATUS); | |
1372 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1373 | bp = xdr_encode_u64(bp, vp->fid.vid); |
30062bd1 DH |
1374 | yfs_check_req(call, bp); |
1375 | ||
e49c7b2f DH |
1376 | trace_afs_make_fs_call(call, &vp->fid); |
1377 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1378 | } |
1379 | ||
30062bd1 DH |
1380 | /* |
1381 | * YFS.SetLock operation type | |
1382 | */ | |
1383 | static const struct afs_call_type yfs_RXYFSSetLock = { | |
1384 | .name = "YFS.SetLock", | |
1385 | .op = yfs_FS_SetLock, | |
f5e45463 | 1386 | .deliver = yfs_deliver_status_and_volsync, |
a690f60a | 1387 | .done = afs_lock_op_done, |
30062bd1 DH |
1388 | .destructor = afs_flat_call_destructor, |
1389 | }; | |
1390 | ||
1391 | /* | |
1392 | * YFS.ExtendLock operation type | |
1393 | */ | |
1394 | static const struct afs_call_type yfs_RXYFSExtendLock = { | |
1395 | .name = "YFS.ExtendLock", | |
1396 | .op = yfs_FS_ExtendLock, | |
f5e45463 | 1397 | .deliver = yfs_deliver_status_and_volsync, |
a690f60a | 1398 | .done = afs_lock_op_done, |
30062bd1 DH |
1399 | .destructor = afs_flat_call_destructor, |
1400 | }; | |
1401 | ||
1402 | /* | |
1403 | * YFS.ReleaseLock operation type | |
1404 | */ | |
1405 | static const struct afs_call_type yfs_RXYFSReleaseLock = { | |
1406 | .name = "YFS.ReleaseLock", | |
1407 | .op = yfs_FS_ReleaseLock, | |
f5e45463 | 1408 | .deliver = yfs_deliver_status_and_volsync, |
30062bd1 DH |
1409 | .destructor = afs_flat_call_destructor, |
1410 | }; | |
1411 | ||
1412 | /* | |
1413 | * Set a lock on a file | |
1414 | */ | |
e49c7b2f | 1415 | void yfs_fs_set_lock(struct afs_operation *op) |
30062bd1 | 1416 | { |
e49c7b2f | 1417 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1418 | struct afs_call *call; |
30062bd1 DH |
1419 | __be32 *bp; |
1420 | ||
1421 | _enter(""); | |
1422 | ||
e49c7b2f | 1423 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSSetLock, |
30062bd1 DH |
1424 | sizeof(__be32) * 2 + |
1425 | sizeof(struct yfs_xdr_YFSFid) + | |
1426 | sizeof(__be32), | |
1427 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1428 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1429 | if (!call) | |
e49c7b2f | 1430 | return afs_op_nomem(op); |
30062bd1 DH |
1431 | |
1432 | /* marshall the parameters */ | |
1433 | bp = call->request; | |
1434 | bp = xdr_encode_u32(bp, YFSSETLOCK); | |
1435 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f DH |
1436 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
1437 | bp = xdr_encode_u32(bp, op->lock.type); | |
30062bd1 DH |
1438 | yfs_check_req(call, bp); |
1439 | ||
e49c7b2f DH |
1440 | trace_afs_make_fs_calli(call, &vp->fid, op->lock.type); |
1441 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1442 | } |
1443 | ||
1444 | /* | |
1445 | * extend a lock on a file | |
1446 | */ | |
e49c7b2f | 1447 | void yfs_fs_extend_lock(struct afs_operation *op) |
30062bd1 | 1448 | { |
e49c7b2f | 1449 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1450 | struct afs_call *call; |
30062bd1 DH |
1451 | __be32 *bp; |
1452 | ||
1453 | _enter(""); | |
1454 | ||
e49c7b2f | 1455 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSExtendLock, |
30062bd1 DH |
1456 | sizeof(__be32) * 2 + |
1457 | sizeof(struct yfs_xdr_YFSFid), | |
1458 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1459 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1460 | if (!call) | |
e49c7b2f | 1461 | return afs_op_nomem(op); |
30062bd1 DH |
1462 | |
1463 | /* marshall the parameters */ | |
1464 | bp = call->request; | |
1465 | bp = xdr_encode_u32(bp, YFSEXTENDLOCK); | |
1466 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1467 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
30062bd1 DH |
1468 | yfs_check_req(call, bp); |
1469 | ||
e49c7b2f DH |
1470 | trace_afs_make_fs_call(call, &vp->fid); |
1471 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1472 | } |
1473 | ||
1474 | /* | |
1475 | * release a lock on a file | |
1476 | */ | |
e49c7b2f | 1477 | void yfs_fs_release_lock(struct afs_operation *op) |
30062bd1 | 1478 | { |
e49c7b2f | 1479 | struct afs_vnode_param *vp = &op->file[0]; |
30062bd1 | 1480 | struct afs_call *call; |
30062bd1 DH |
1481 | __be32 *bp; |
1482 | ||
1483 | _enter(""); | |
1484 | ||
e49c7b2f | 1485 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSReleaseLock, |
30062bd1 DH |
1486 | sizeof(__be32) * 2 + |
1487 | sizeof(struct yfs_xdr_YFSFid), | |
1488 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1489 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1490 | if (!call) | |
e49c7b2f | 1491 | return afs_op_nomem(op); |
30062bd1 DH |
1492 | |
1493 | /* marshall the parameters */ | |
1494 | bp = call->request; | |
1495 | bp = xdr_encode_u32(bp, YFSRELEASELOCK); | |
1496 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1497 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
30062bd1 DH |
1498 | yfs_check_req(call, bp); |
1499 | ||
e49c7b2f DH |
1500 | trace_afs_make_fs_call(call, &vp->fid); |
1501 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1502 | } |
1503 | ||
9bd87ec6 DH |
1504 | /* |
1505 | * Deliver a reply to YFS.FetchStatus | |
1506 | */ | |
1507 | static int yfs_deliver_fs_fetch_status(struct afs_call *call) | |
1508 | { | |
1509 | struct afs_operation *op = call->op; | |
1510 | struct afs_vnode_param *vp = &op->file[op->fetch_status.which]; | |
1511 | const __be32 *bp; | |
1512 | int ret; | |
1513 | ||
1514 | ret = afs_transfer_reply(call); | |
1515 | if (ret < 0) | |
1516 | return ret; | |
1517 | ||
1518 | /* unmarshall the reply once we've received all of it */ | |
1519 | bp = call->buffer; | |
1520 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); | |
1521 | xdr_decode_YFSCallBack(&bp, call, &vp->scb); | |
1522 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
1523 | ||
1524 | _leave(" = 0 [done]"); | |
1525 | return 0; | |
1526 | } | |
1527 | ||
30062bd1 DH |
1528 | /* |
1529 | * YFS.FetchStatus operation type | |
1530 | */ | |
1531 | static const struct afs_call_type yfs_RXYFSFetchStatus = { | |
1532 | .name = "YFS.FetchStatus", | |
1533 | .op = yfs_FS_FetchStatus, | |
9bd87ec6 | 1534 | .deliver = yfs_deliver_fs_fetch_status, |
30062bd1 DH |
1535 | .destructor = afs_flat_call_destructor, |
1536 | }; | |
1537 | ||
1538 | /* | |
1539 | * Fetch the status information for a fid without needing a vnode handle. | |
1540 | */ | |
e49c7b2f | 1541 | void yfs_fs_fetch_status(struct afs_operation *op) |
30062bd1 | 1542 | { |
9bd87ec6 | 1543 | struct afs_vnode_param *vp = &op->file[op->fetch_status.which]; |
30062bd1 DH |
1544 | struct afs_call *call; |
1545 | __be32 *bp; | |
1546 | ||
1547 | _enter(",%x,{%llx:%llu},,", | |
e49c7b2f | 1548 | key_serial(op->key), vp->fid.vid, vp->fid.vnode); |
30062bd1 | 1549 | |
e49c7b2f | 1550 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSFetchStatus, |
30062bd1 DH |
1551 | sizeof(__be32) * 2 + |
1552 | sizeof(struct yfs_xdr_YFSFid), | |
1553 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1554 | sizeof(struct yfs_xdr_YFSCallBack) + | |
1555 | sizeof(struct yfs_xdr_YFSVolSync)); | |
e49c7b2f DH |
1556 | if (!call) |
1557 | return afs_op_nomem(op); | |
30062bd1 DH |
1558 | |
1559 | /* marshall the parameters */ | |
1560 | bp = call->request; | |
1561 | bp = xdr_encode_u32(bp, YFSFETCHSTATUS); | |
1562 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1563 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
30062bd1 DH |
1564 | yfs_check_req(call, bp); |
1565 | ||
e49c7b2f DH |
1566 | trace_afs_make_fs_call(call, &vp->fid); |
1567 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 DH |
1568 | } |
1569 | ||
1570 | /* | |
1571 | * Deliver reply data to an YFS.InlineBulkStatus call | |
1572 | */ | |
1573 | static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call) | |
1574 | { | |
e49c7b2f | 1575 | struct afs_operation *op = call->op; |
87182759 | 1576 | struct afs_status_cb *scb; |
30062bd1 DH |
1577 | const __be32 *bp; |
1578 | u32 tmp; | |
1579 | int ret; | |
1580 | ||
1581 | _enter("{%u}", call->unmarshall); | |
1582 | ||
1583 | switch (call->unmarshall) { | |
1584 | case 0: | |
1585 | afs_extract_to_tmp(call); | |
1586 | call->unmarshall++; | |
df561f66 | 1587 | fallthrough; |
30062bd1 DH |
1588 | |
1589 | /* Extract the file status count and array in two steps */ | |
1590 | case 1: | |
1591 | _debug("extract status count"); | |
1592 | ret = afs_extract_data(call, true); | |
1593 | if (ret < 0) | |
1594 | return ret; | |
1595 | ||
1596 | tmp = ntohl(call->tmp); | |
e49c7b2f DH |
1597 | _debug("status count: %u/%u", tmp, op->nr_files); |
1598 | if (tmp != op->nr_files) | |
7126ead9 | 1599 | return afs_protocol_error(call, afs_eproto_ibulkst_count); |
30062bd1 DH |
1600 | |
1601 | call->count = 0; | |
1602 | call->unmarshall++; | |
1603 | more_counts: | |
1604 | afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSFetchStatus)); | |
df561f66 | 1605 | fallthrough; |
35a3a90c | 1606 | |
30062bd1 DH |
1607 | case 2: |
1608 | _debug("extract status array %u", call->count); | |
1609 | ret = afs_extract_data(call, true); | |
1610 | if (ret < 0) | |
1611 | return ret; | |
1612 | ||
e49c7b2f DH |
1613 | switch (call->count) { |
1614 | case 0: | |
1615 | scb = &op->file[0].scb; | |
1616 | break; | |
1617 | case 1: | |
1618 | scb = &op->file[1].scb; | |
1619 | break; | |
1620 | default: | |
1621 | scb = &op->more_files[call->count - 2].scb; | |
1622 | break; | |
1623 | } | |
1624 | ||
30062bd1 | 1625 | bp = call->buffer; |
38355eec | 1626 | xdr_decode_YFSFetchStatus(&bp, call, scb); |
30062bd1 DH |
1627 | |
1628 | call->count++; | |
e49c7b2f | 1629 | if (call->count < op->nr_files) |
30062bd1 DH |
1630 | goto more_counts; |
1631 | ||
1632 | call->count = 0; | |
1633 | call->unmarshall++; | |
1634 | afs_extract_to_tmp(call); | |
df561f66 | 1635 | fallthrough; |
30062bd1 DH |
1636 | |
1637 | /* Extract the callback count and array in two steps */ | |
1638 | case 3: | |
1639 | _debug("extract CB count"); | |
1640 | ret = afs_extract_data(call, true); | |
1641 | if (ret < 0) | |
1642 | return ret; | |
1643 | ||
1644 | tmp = ntohl(call->tmp); | |
1645 | _debug("CB count: %u", tmp); | |
e49c7b2f | 1646 | if (tmp != op->nr_files) |
7126ead9 | 1647 | return afs_protocol_error(call, afs_eproto_ibulkst_cb_count); |
30062bd1 DH |
1648 | call->count = 0; |
1649 | call->unmarshall++; | |
1650 | more_cbs: | |
1651 | afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSCallBack)); | |
df561f66 | 1652 | fallthrough; |
35a3a90c | 1653 | |
30062bd1 DH |
1654 | case 4: |
1655 | _debug("extract CB array"); | |
1656 | ret = afs_extract_data(call, true); | |
1657 | if (ret < 0) | |
1658 | return ret; | |
1659 | ||
1660 | _debug("unmarshall CB array"); | |
e49c7b2f DH |
1661 | switch (call->count) { |
1662 | case 0: | |
1663 | scb = &op->file[0].scb; | |
1664 | break; | |
1665 | case 1: | |
1666 | scb = &op->file[1].scb; | |
1667 | break; | |
1668 | default: | |
1669 | scb = &op->more_files[call->count - 2].scb; | |
1670 | break; | |
1671 | } | |
1672 | ||
30062bd1 | 1673 | bp = call->buffer; |
a58823ac | 1674 | xdr_decode_YFSCallBack(&bp, call, scb); |
30062bd1 | 1675 | call->count++; |
e49c7b2f | 1676 | if (call->count < op->nr_files) |
30062bd1 DH |
1677 | goto more_cbs; |
1678 | ||
1679 | afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSVolSync)); | |
1680 | call->unmarshall++; | |
df561f66 | 1681 | fallthrough; |
35a3a90c | 1682 | |
30062bd1 DH |
1683 | case 5: |
1684 | ret = afs_extract_data(call, false); | |
1685 | if (ret < 0) | |
1686 | return ret; | |
1687 | ||
1688 | bp = call->buffer; | |
e49c7b2f | 1689 | xdr_decode_YFSVolSync(&bp, &op->volsync); |
30062bd1 DH |
1690 | |
1691 | call->unmarshall++; | |
df561f66 | 1692 | fallthrough; |
35a3a90c | 1693 | |
30062bd1 DH |
1694 | case 6: |
1695 | break; | |
1696 | } | |
1697 | ||
1698 | _leave(" = 0 [done]"); | |
1699 | return 0; | |
1700 | } | |
1701 | ||
1702 | /* | |
1703 | * FS.InlineBulkStatus operation type | |
1704 | */ | |
1705 | static const struct afs_call_type yfs_RXYFSInlineBulkStatus = { | |
1706 | .name = "YFS.InlineBulkStatus", | |
1707 | .op = yfs_FS_InlineBulkStatus, | |
1708 | .deliver = yfs_deliver_fs_inline_bulk_status, | |
1709 | .destructor = afs_flat_call_destructor, | |
1710 | }; | |
1711 | ||
1712 | /* | |
1713 | * Fetch the status information for up to 1024 files | |
1714 | */ | |
e49c7b2f | 1715 | void yfs_fs_inline_bulk_status(struct afs_operation *op) |
30062bd1 | 1716 | { |
e49c7b2f DH |
1717 | struct afs_vnode_param *dvp = &op->file[0]; |
1718 | struct afs_vnode_param *vp = &op->file[1]; | |
30062bd1 DH |
1719 | struct afs_call *call; |
1720 | __be32 *bp; | |
1721 | int i; | |
1722 | ||
1723 | _enter(",%x,{%llx:%llu},%u", | |
e49c7b2f | 1724 | key_serial(op->key), vp->fid.vid, vp->fid.vnode, op->nr_files); |
30062bd1 | 1725 | |
e49c7b2f | 1726 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSInlineBulkStatus, |
30062bd1 DH |
1727 | sizeof(__be32) + |
1728 | sizeof(__be32) + | |
1729 | sizeof(__be32) + | |
e49c7b2f | 1730 | sizeof(struct yfs_xdr_YFSFid) * op->nr_files, |
30062bd1 | 1731 | sizeof(struct yfs_xdr_YFSFetchStatus)); |
e49c7b2f DH |
1732 | if (!call) |
1733 | return afs_op_nomem(op); | |
30062bd1 DH |
1734 | |
1735 | /* marshall the parameters */ | |
1736 | bp = call->request; | |
1737 | bp = xdr_encode_u32(bp, YFSINLINEBULKSTATUS); | |
1738 | bp = xdr_encode_u32(bp, 0); /* RPCFlags */ | |
e49c7b2f DH |
1739 | bp = xdr_encode_u32(bp, op->nr_files); |
1740 | bp = xdr_encode_YFSFid(bp, &dvp->fid); | |
1741 | bp = xdr_encode_YFSFid(bp, &vp->fid); | |
1742 | for (i = 0; i < op->nr_files - 2; i++) | |
1743 | bp = xdr_encode_YFSFid(bp, &op->more_files[i].fid); | |
30062bd1 DH |
1744 | yfs_check_req(call, bp); |
1745 | ||
e49c7b2f DH |
1746 | trace_afs_make_fs_call(call, &vp->fid); |
1747 | afs_make_op_call(op, call, GFP_NOFS); | |
30062bd1 | 1748 | } |
ae46578b DH |
1749 | |
1750 | /* | |
1751 | * Deliver reply data to an YFS.FetchOpaqueACL. | |
1752 | */ | |
1753 | static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call) | |
1754 | { | |
e49c7b2f DH |
1755 | struct afs_operation *op = call->op; |
1756 | struct afs_vnode_param *vp = &op->file[0]; | |
1757 | struct yfs_acl *yacl = op->yacl; | |
ae46578b DH |
1758 | struct afs_acl *acl; |
1759 | const __be32 *bp; | |
1760 | unsigned int size; | |
1761 | int ret; | |
1762 | ||
1763 | _enter("{%u}", call->unmarshall); | |
1764 | ||
1765 | switch (call->unmarshall) { | |
1766 | case 0: | |
1767 | afs_extract_to_tmp(call); | |
1768 | call->unmarshall++; | |
df561f66 | 1769 | fallthrough; |
ae46578b DH |
1770 | |
1771 | /* Extract the file ACL length */ | |
1772 | case 1: | |
1773 | ret = afs_extract_data(call, true); | |
1774 | if (ret < 0) | |
1775 | return ret; | |
1776 | ||
1777 | size = call->count2 = ntohl(call->tmp); | |
1778 | size = round_up(size, 4); | |
1779 | ||
1780 | if (yacl->flags & YFS_ACL_WANT_ACL) { | |
1781 | acl = kmalloc(struct_size(acl, data, size), GFP_KERNEL); | |
1782 | if (!acl) | |
1783 | return -ENOMEM; | |
1784 | yacl->acl = acl; | |
1785 | acl->size = call->count2; | |
1786 | afs_extract_begin(call, acl->data, size); | |
1787 | } else { | |
23a28913 | 1788 | afs_extract_discard(call, size); |
ae46578b DH |
1789 | } |
1790 | call->unmarshall++; | |
df561f66 | 1791 | fallthrough; |
ae46578b DH |
1792 | |
1793 | /* Extract the file ACL */ | |
1794 | case 2: | |
1795 | ret = afs_extract_data(call, true); | |
1796 | if (ret < 0) | |
1797 | return ret; | |
1798 | ||
1799 | afs_extract_to_tmp(call); | |
1800 | call->unmarshall++; | |
df561f66 | 1801 | fallthrough; |
ae46578b DH |
1802 | |
1803 | /* Extract the volume ACL length */ | |
1804 | case 3: | |
1805 | ret = afs_extract_data(call, true); | |
1806 | if (ret < 0) | |
1807 | return ret; | |
1808 | ||
1809 | size = call->count2 = ntohl(call->tmp); | |
1810 | size = round_up(size, 4); | |
1811 | ||
1812 | if (yacl->flags & YFS_ACL_WANT_VOL_ACL) { | |
1813 | acl = kmalloc(struct_size(acl, data, size), GFP_KERNEL); | |
1814 | if (!acl) | |
1815 | return -ENOMEM; | |
1816 | yacl->vol_acl = acl; | |
1817 | acl->size = call->count2; | |
1818 | afs_extract_begin(call, acl->data, size); | |
1819 | } else { | |
23a28913 | 1820 | afs_extract_discard(call, size); |
ae46578b DH |
1821 | } |
1822 | call->unmarshall++; | |
df561f66 | 1823 | fallthrough; |
ae46578b DH |
1824 | |
1825 | /* Extract the volume ACL */ | |
1826 | case 4: | |
1827 | ret = afs_extract_data(call, true); | |
1828 | if (ret < 0) | |
1829 | return ret; | |
1830 | ||
1831 | afs_extract_to_buf(call, | |
1832 | sizeof(__be32) * 2 + | |
1833 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1834 | sizeof(struct yfs_xdr_YFSVolSync)); | |
1835 | call->unmarshall++; | |
df561f66 | 1836 | fallthrough; |
ae46578b DH |
1837 | |
1838 | /* extract the metadata */ | |
1839 | case 5: | |
1840 | ret = afs_extract_data(call, false); | |
1841 | if (ret < 0) | |
1842 | return ret; | |
1843 | ||
1844 | bp = call->buffer; | |
1845 | yacl->inherit_flag = ntohl(*bp++); | |
1846 | yacl->num_cleaned = ntohl(*bp++); | |
e49c7b2f DH |
1847 | xdr_decode_YFSFetchStatus(&bp, call, &vp->scb); |
1848 | xdr_decode_YFSVolSync(&bp, &op->volsync); | |
ae46578b DH |
1849 | |
1850 | call->unmarshall++; | |
df561f66 | 1851 | fallthrough; |
ae46578b DH |
1852 | |
1853 | case 6: | |
1854 | break; | |
1855 | } | |
1856 | ||
1857 | _leave(" = 0 [done]"); | |
1858 | return 0; | |
1859 | } | |
1860 | ||
1861 | void yfs_free_opaque_acl(struct yfs_acl *yacl) | |
1862 | { | |
1863 | if (yacl) { | |
1864 | kfree(yacl->acl); | |
1865 | kfree(yacl->vol_acl); | |
1866 | kfree(yacl); | |
1867 | } | |
1868 | } | |
1869 | ||
ae46578b DH |
1870 | /* |
1871 | * YFS.FetchOpaqueACL operation type | |
1872 | */ | |
1873 | static const struct afs_call_type yfs_RXYFSFetchOpaqueACL = { | |
1874 | .name = "YFS.FetchOpaqueACL", | |
1875 | .op = yfs_FS_FetchOpaqueACL, | |
1876 | .deliver = yfs_deliver_fs_fetch_opaque_acl, | |
773e0c40 | 1877 | .destructor = afs_flat_call_destructor, |
ae46578b DH |
1878 | }; |
1879 | ||
1880 | /* | |
1881 | * Fetch the YFS advanced ACLs for a file. | |
1882 | */ | |
e49c7b2f | 1883 | void yfs_fs_fetch_opaque_acl(struct afs_operation *op) |
ae46578b | 1884 | { |
e49c7b2f | 1885 | struct afs_vnode_param *vp = &op->file[0]; |
ae46578b | 1886 | struct afs_call *call; |
ae46578b DH |
1887 | __be32 *bp; |
1888 | ||
1889 | _enter(",%x,{%llx:%llu},,", | |
e49c7b2f | 1890 | key_serial(op->key), vp->fid.vid, vp->fid.vnode); |
ae46578b | 1891 | |
e49c7b2f | 1892 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSFetchOpaqueACL, |
ae46578b DH |
1893 | sizeof(__be32) * 2 + |
1894 | sizeof(struct yfs_xdr_YFSFid), | |
1895 | sizeof(__be32) * 2 + | |
1896 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1897 | sizeof(struct yfs_xdr_YFSVolSync)); | |
e49c7b2f DH |
1898 | if (!call) |
1899 | return afs_op_nomem(op); | |
ae46578b DH |
1900 | |
1901 | /* marshall the parameters */ | |
1902 | bp = call->request; | |
1903 | bp = xdr_encode_u32(bp, YFSFETCHOPAQUEACL); | |
1904 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1905 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
ae46578b DH |
1906 | yfs_check_req(call, bp); |
1907 | ||
e49c7b2f DH |
1908 | trace_afs_make_fs_call(call, &vp->fid); |
1909 | afs_make_op_call(op, call, GFP_KERNEL); | |
ae46578b | 1910 | } |
f5e45463 DH |
1911 | |
1912 | /* | |
1913 | * YFS.StoreOpaqueACL2 operation type | |
1914 | */ | |
1915 | static const struct afs_call_type yfs_RXYFSStoreOpaqueACL2 = { | |
1916 | .name = "YFS.StoreOpaqueACL2", | |
1917 | .op = yfs_FS_StoreOpaqueACL2, | |
1918 | .deliver = yfs_deliver_status_and_volsync, | |
1919 | .destructor = afs_flat_call_destructor, | |
1920 | }; | |
1921 | ||
1922 | /* | |
1923 | * Fetch the YFS ACL for a file. | |
1924 | */ | |
e49c7b2f | 1925 | void yfs_fs_store_opaque_acl2(struct afs_operation *op) |
f5e45463 | 1926 | { |
e49c7b2f | 1927 | struct afs_vnode_param *vp = &op->file[0]; |
f5e45463 | 1928 | struct afs_call *call; |
e49c7b2f | 1929 | struct afs_acl *acl = op->acl; |
f5e45463 DH |
1930 | size_t size; |
1931 | __be32 *bp; | |
1932 | ||
1933 | _enter(",%x,{%llx:%llu},,", | |
e49c7b2f | 1934 | key_serial(op->key), vp->fid.vid, vp->fid.vnode); |
f5e45463 DH |
1935 | |
1936 | size = round_up(acl->size, 4); | |
e49c7b2f | 1937 | call = afs_alloc_flat_call(op->net, &yfs_RXYFSStoreOpaqueACL2, |
f5e45463 DH |
1938 | sizeof(__be32) * 2 + |
1939 | sizeof(struct yfs_xdr_YFSFid) + | |
1940 | sizeof(__be32) + size, | |
1941 | sizeof(struct yfs_xdr_YFSFetchStatus) + | |
1942 | sizeof(struct yfs_xdr_YFSVolSync)); | |
e49c7b2f DH |
1943 | if (!call) |
1944 | return afs_op_nomem(op); | |
f5e45463 DH |
1945 | |
1946 | /* marshall the parameters */ | |
1947 | bp = call->request; | |
1948 | bp = xdr_encode_u32(bp, YFSSTOREOPAQUEACL2); | |
1949 | bp = xdr_encode_u32(bp, 0); /* RPC flags */ | |
e49c7b2f | 1950 | bp = xdr_encode_YFSFid(bp, &vp->fid); |
f5e45463 DH |
1951 | bp = xdr_encode_u32(bp, acl->size); |
1952 | memcpy(bp, acl->data, acl->size); | |
1953 | if (acl->size != size) | |
1954 | memset((void *)bp + acl->size, 0, size - acl->size); | |
c80afa1d | 1955 | bp += size / sizeof(__be32); |
f5e45463 DH |
1956 | yfs_check_req(call, bp); |
1957 | ||
e49c7b2f DH |
1958 | trace_afs_make_fs_call(call, &vp->fid); |
1959 | afs_make_op_call(op, call, GFP_KERNEL); | |
30062bd1 | 1960 | } |