Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
08e0e7c8 | 2 | /* AFS File Server client stubs |
1da177e4 | 3 | * |
08e0e7c8 | 4 | * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved. |
1da177e4 | 5 | * Written by David Howells (dhowells@redhat.com) |
1da177e4 LT |
6 | */ |
7 | ||
8 | #include <linux/init.h> | |
5a0e3ad6 | 9 | #include <linux/slab.h> |
1da177e4 | 10 | #include <linux/sched.h> |
08e0e7c8 | 11 | #include <linux/circ_buf.h> |
a01179e6 | 12 | #include <linux/iversion.h> |
1da177e4 | 13 | #include "internal.h" |
08e0e7c8 | 14 | #include "afs_fs.h" |
dd9fbcb8 | 15 | #include "xdr_fs.h" |
30062bd1 | 16 | #include "protocol_yfs.h" |
1da177e4 | 17 | |
d2ddc776 | 18 | static inline void afs_use_fs_server(struct afs_call *call, struct afs_cb_interest *cbi) |
c435ee34 | 19 | { |
d2ddc776 | 20 | call->cbi = afs_get_cb_interest(cbi); |
c435ee34 DH |
21 | } |
22 | ||
260a9803 DH |
23 | /* |
24 | * decode an AFSFid block | |
25 | */ | |
26 | static void xdr_decode_AFSFid(const __be32 **_bp, struct afs_fid *fid) | |
27 | { | |
28 | const __be32 *bp = *_bp; | |
29 | ||
30 | fid->vid = ntohl(*bp++); | |
31 | fid->vnode = ntohl(*bp++); | |
32 | fid->unique = ntohl(*bp++); | |
33 | *_bp = bp; | |
34 | } | |
35 | ||
888b3384 DH |
36 | /* |
37 | * Dump a bad file status record. | |
38 | */ | |
39 | static void xdr_dump_bad(const __be32 *bp) | |
40 | { | |
41 | __be32 x[4]; | |
42 | int i; | |
43 | ||
44 | pr_notice("AFS XDR: Bad status record\n"); | |
45 | for (i = 0; i < 5 * 4 * 4; i += 16) { | |
46 | memcpy(x, bp, 16); | |
47 | bp += 4; | |
48 | pr_notice("%03x: %08x %08x %08x %08x\n", | |
49 | i, ntohl(x[0]), ntohl(x[1]), ntohl(x[2]), ntohl(x[3])); | |
50 | } | |
51 | ||
52 | memcpy(x, bp, 4); | |
53 | pr_notice("0x50: %08x\n", ntohl(x[0])); | |
54 | } | |
55 | ||
dd9fbcb8 DH |
56 | /* |
57 | * decode an AFSFetchStatus block | |
58 | */ | |
a58823ac DH |
59 | static int xdr_decode_AFSFetchStatus(const __be32 **_bp, |
60 | struct afs_call *call, | |
61 | struct afs_status_cb *scb) | |
dd9fbcb8 DH |
62 | { |
63 | const struct afs_xdr_AFSFetchStatus *xdr = (const void *)*_bp; | |
a58823ac | 64 | struct afs_file_status *status = &scb->status; |
684b0f68 | 65 | bool inline_error = (call->operation_ID == afs_FS_InlineBulkStatus); |
260a9803 | 66 | u64 data_version, size; |
dd9fbcb8 | 67 | u32 type, abort_code; |
c435ee34 | 68 | |
684b0f68 DH |
69 | abort_code = ntohl(xdr->abort_code); |
70 | ||
dd9fbcb8 | 71 | if (xdr->if_version != htonl(AFS_FSTATUS_VERSION)) { |
684b0f68 DH |
72 | if (xdr->if_version == htonl(0) && |
73 | abort_code != 0 && | |
74 | inline_error) { | |
75 | /* The OpenAFS fileserver has a bug in FS.InlineBulkStatus | |
76 | * whereby it doesn't set the interface version in the error | |
77 | * case. | |
78 | */ | |
79 | status->abort_code = abort_code; | |
a38a7558 | 80 | scb->have_error = true; |
de52cf92 | 81 | return 0; |
684b0f68 DH |
82 | } |
83 | ||
dd9fbcb8 DH |
84 | pr_warn("Unknown AFSFetchStatus version %u\n", ntohl(xdr->if_version)); |
85 | goto bad; | |
86 | } | |
08e0e7c8 | 87 | |
684b0f68 DH |
88 | if (abort_code != 0 && inline_error) { |
89 | status->abort_code = abort_code; | |
de52cf92 | 90 | return 0; |
684b0f68 DH |
91 | } |
92 | ||
dd9fbcb8 | 93 | type = ntohl(xdr->type); |
dd9fbcb8 | 94 | switch (type) { |
888b3384 DH |
95 | case AFS_FTYPE_FILE: |
96 | case AFS_FTYPE_DIR: | |
97 | case AFS_FTYPE_SYMLINK: | |
dd9fbcb8 | 98 | status->type = type; |
888b3384 | 99 | break; |
888b3384 | 100 | default: |
dd9fbcb8 | 101 | goto bad; |
888b3384 DH |
102 | } |
103 | ||
a58823ac DH |
104 | status->nlink = ntohl(xdr->nlink); |
105 | status->author = ntohl(xdr->author); | |
106 | status->owner = ntohl(xdr->owner); | |
107 | status->caller_access = ntohl(xdr->caller_access); /* Ticket dependent */ | |
108 | status->anon_access = ntohl(xdr->anon_access); | |
109 | status->mode = ntohl(xdr->mode) & S_IALLUGO; | |
110 | status->group = ntohl(xdr->group); | |
111 | status->lock_count = ntohl(xdr->lock_count); | |
dd9fbcb8 | 112 | |
d4936803 DH |
113 | status->mtime_client.tv_sec = ntohl(xdr->mtime_client); |
114 | status->mtime_client.tv_nsec = 0; | |
115 | status->mtime_server.tv_sec = ntohl(xdr->mtime_server); | |
116 | status->mtime_server.tv_nsec = 0; | |
dd9fbcb8 DH |
117 | |
118 | size = (u64)ntohl(xdr->size_lo); | |
119 | size |= (u64)ntohl(xdr->size_hi) << 32; | |
63a4681f | 120 | status->size = size; |
dd9fbcb8 DH |
121 | |
122 | data_version = (u64)ntohl(xdr->data_version_lo); | |
123 | data_version |= (u64)ntohl(xdr->data_version_hi) << 32; | |
a58823ac | 124 | status->data_version = data_version; |
a38a7558 | 125 | scb->have_status = true; |
08e0e7c8 | 126 | |
dd9fbcb8 | 127 | *_bp = (const void *)*_bp + sizeof(*xdr); |
c875c76a | 128 | return 0; |
dd9fbcb8 DH |
129 | |
130 | bad: | |
131 | xdr_dump_bad(*_bp); | |
160cb957 | 132 | return afs_protocol_error(call, -EBADMSG, afs_eproto_bad_status); |
c875c76a DH |
133 | } |
134 | ||
78107055 DH |
135 | static time64_t xdr_decode_expiry(struct afs_call *call, u32 expiry) |
136 | { | |
137 | return ktime_divns(call->reply_time, NSEC_PER_SEC) + expiry; | |
138 | } | |
139 | ||
a58823ac DH |
140 | static void xdr_decode_AFSCallBack(const __be32 **_bp, |
141 | struct afs_call *call, | |
142 | struct afs_status_cb *scb) | |
78107055 | 143 | { |
a58823ac | 144 | struct afs_callback *cb = &scb->callback; |
78107055 DH |
145 | const __be32 *bp = *_bp; |
146 | ||
7c712458 | 147 | bp++; /* version */ |
78107055 | 148 | cb->expires_at = xdr_decode_expiry(call, ntohl(*bp++)); |
7c712458 | 149 | bp++; /* type */ |
a58823ac | 150 | scb->have_cb = true; |
78107055 DH |
151 | *_bp = bp; |
152 | } | |
153 | ||
1da177e4 | 154 | /* |
08e0e7c8 | 155 | * decode an AFSVolSync block |
1da177e4 | 156 | */ |
08e0e7c8 DH |
157 | static void xdr_decode_AFSVolSync(const __be32 **_bp, |
158 | struct afs_volsync *volsync) | |
1da177e4 | 159 | { |
08e0e7c8 | 160 | const __be32 *bp = *_bp; |
30062bd1 | 161 | u32 creation; |
1da177e4 | 162 | |
30062bd1 | 163 | creation = ntohl(*bp++); |
08e0e7c8 DH |
164 | bp++; /* spare2 */ |
165 | bp++; /* spare3 */ | |
166 | bp++; /* spare4 */ | |
167 | bp++; /* spare5 */ | |
168 | bp++; /* spare6 */ | |
169 | *_bp = bp; | |
30062bd1 DH |
170 | |
171 | if (volsync) | |
172 | volsync->creation = creation; | |
08e0e7c8 | 173 | } |
1da177e4 | 174 | |
31143d5d DH |
175 | /* |
176 | * encode the requested attributes into an AFSStoreStatus block | |
177 | */ | |
178 | static void xdr_encode_AFS_StoreStatus(__be32 **_bp, struct iattr *attr) | |
179 | { | |
180 | __be32 *bp = *_bp; | |
181 | u32 mask = 0, mtime = 0, owner = 0, group = 0, mode = 0; | |
182 | ||
183 | mask = 0; | |
184 | if (attr->ia_valid & ATTR_MTIME) { | |
185 | mask |= AFS_SET_MTIME; | |
186 | mtime = attr->ia_mtime.tv_sec; | |
187 | } | |
188 | ||
189 | if (attr->ia_valid & ATTR_UID) { | |
190 | mask |= AFS_SET_OWNER; | |
a0a5386a | 191 | owner = from_kuid(&init_user_ns, attr->ia_uid); |
31143d5d DH |
192 | } |
193 | ||
194 | if (attr->ia_valid & ATTR_GID) { | |
195 | mask |= AFS_SET_GROUP; | |
a0a5386a | 196 | group = from_kgid(&init_user_ns, attr->ia_gid); |
31143d5d DH |
197 | } |
198 | ||
199 | if (attr->ia_valid & ATTR_MODE) { | |
200 | mask |= AFS_SET_MODE; | |
201 | mode = attr->ia_mode & S_IALLUGO; | |
202 | } | |
203 | ||
204 | *bp++ = htonl(mask); | |
205 | *bp++ = htonl(mtime); | |
206 | *bp++ = htonl(owner); | |
207 | *bp++ = htonl(group); | |
208 | *bp++ = htonl(mode); | |
209 | *bp++ = 0; /* segment size */ | |
210 | *_bp = bp; | |
211 | } | |
212 | ||
45222b9e DH |
213 | /* |
214 | * decode an AFSFetchVolumeStatus block | |
215 | */ | |
216 | static void xdr_decode_AFSFetchVolumeStatus(const __be32 **_bp, | |
217 | struct afs_volume_status *vs) | |
218 | { | |
219 | const __be32 *bp = *_bp; | |
220 | ||
221 | vs->vid = ntohl(*bp++); | |
222 | vs->parent_id = ntohl(*bp++); | |
223 | vs->online = ntohl(*bp++); | |
224 | vs->in_service = ntohl(*bp++); | |
225 | vs->blessed = ntohl(*bp++); | |
226 | vs->needs_salvage = ntohl(*bp++); | |
227 | vs->type = ntohl(*bp++); | |
228 | vs->min_quota = ntohl(*bp++); | |
229 | vs->max_quota = ntohl(*bp++); | |
230 | vs->blocks_in_use = ntohl(*bp++); | |
231 | vs->part_blocks_avail = ntohl(*bp++); | |
232 | vs->part_max_blocks = ntohl(*bp++); | |
30062bd1 DH |
233 | vs->vol_copy_date = 0; |
234 | vs->vol_backup_date = 0; | |
45222b9e DH |
235 | *_bp = bp; |
236 | } | |
237 | ||
08e0e7c8 DH |
238 | /* |
239 | * deliver reply data to an FS.FetchStatus | |
240 | */ | |
5cf9dd55 | 241 | static int afs_deliver_fs_fetch_status_vnode(struct afs_call *call) |
08e0e7c8 DH |
242 | { |
243 | const __be32 *bp; | |
372ee163 | 244 | int ret; |
1da177e4 | 245 | |
d001648e | 246 | ret = afs_transfer_reply(call); |
372ee163 DH |
247 | if (ret < 0) |
248 | return ret; | |
1da177e4 | 249 | |
08e0e7c8 DH |
250 | /* unmarshall the reply once we've received all of it */ |
251 | bp = call->buffer; | |
a58823ac | 252 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
253 | if (ret < 0) |
254 | return ret; | |
a58823ac | 255 | xdr_decode_AFSCallBack(&bp, call, call->out_scb); |
ffba718e | 256 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
1da177e4 | 257 | |
08e0e7c8 DH |
258 | _leave(" = 0 [done]"); |
259 | return 0; | |
ec26815a | 260 | } |
08e0e7c8 DH |
261 | |
262 | /* | |
263 | * FS.FetchStatus operation type | |
264 | */ | |
5cf9dd55 DH |
265 | static const struct afs_call_type afs_RXFSFetchStatus_vnode = { |
266 | .name = "FS.FetchStatus(vnode)", | |
025db80c | 267 | .op = afs_FS_FetchStatus, |
5cf9dd55 | 268 | .deliver = afs_deliver_fs_fetch_status_vnode, |
08e0e7c8 DH |
269 | .destructor = afs_flat_call_destructor, |
270 | }; | |
1da177e4 | 271 | |
1da177e4 LT |
272 | /* |
273 | * fetch the status information for a file | |
274 | */ | |
a58823ac DH |
275 | int afs_fs_fetch_file_status(struct afs_fs_cursor *fc, struct afs_status_cb *scb, |
276 | struct afs_volsync *volsync) | |
1da177e4 | 277 | { |
d2ddc776 | 278 | struct afs_vnode *vnode = fc->vnode; |
08e0e7c8 | 279 | struct afs_call *call; |
f044c884 | 280 | struct afs_net *net = afs_v2net(vnode); |
1da177e4 LT |
281 | __be32 *bp; |
282 | ||
30062bd1 | 283 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 284 | return yfs_fs_fetch_file_status(fc, scb, volsync); |
30062bd1 | 285 | |
3b6492df | 286 | _enter(",%x,{%llx:%llu},,", |
d2ddc776 | 287 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); |
1da177e4 | 288 | |
5cf9dd55 DH |
289 | call = afs_alloc_flat_call(net, &afs_RXFSFetchStatus_vnode, |
290 | 16, (21 + 3 + 6) * 4); | |
d2ddc776 DH |
291 | if (!call) { |
292 | fc->ac.error = -ENOMEM; | |
08e0e7c8 | 293 | return -ENOMEM; |
d2ddc776 | 294 | } |
1da177e4 | 295 | |
d2ddc776 | 296 | call->key = fc->key; |
a58823ac | 297 | call->out_scb = scb; |
ffba718e | 298 | call->out_volsync = volsync; |
1da177e4 LT |
299 | |
300 | /* marshall the parameters */ | |
08e0e7c8 | 301 | bp = call->request; |
1da177e4 LT |
302 | bp[0] = htonl(FSFETCHSTATUS); |
303 | bp[1] = htonl(vnode->fid.vid); | |
304 | bp[2] = htonl(vnode->fid.vnode); | |
305 | bp[3] = htonl(vnode->fid.unique); | |
306 | ||
d2ddc776 | 307 | afs_use_fs_server(call, fc->cbi); |
025db80c | 308 | trace_afs_make_fs_call(call, &vnode->fid); |
0b9bf381 | 309 | |
20b8391f | 310 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
311 | afs_make_call(&fc->ac, call, GFP_NOFS); |
312 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
ec26815a | 313 | } |
1da177e4 | 314 | |
1da177e4 | 315 | /* |
08e0e7c8 | 316 | * deliver reply data to an FS.FetchData |
1da177e4 | 317 | */ |
d001648e | 318 | static int afs_deliver_fs_fetch_data(struct afs_call *call) |
1da177e4 | 319 | { |
ffba718e | 320 | struct afs_read *req = call->read_request; |
08e0e7c8 | 321 | const __be32 *bp; |
196ee9cd | 322 | unsigned int size; |
1da177e4 | 323 | int ret; |
1da177e4 | 324 | |
12bdcf33 DH |
325 | _enter("{%u,%zu/%llu}", |
326 | call->unmarshall, iov_iter_count(&call->iter), req->actual_len); | |
08e0e7c8 DH |
327 | |
328 | switch (call->unmarshall) { | |
329 | case 0: | |
196ee9cd | 330 | req->actual_len = 0; |
12bdcf33 DH |
331 | req->index = 0; |
332 | req->offset = req->pos & (PAGE_SIZE - 1); | |
08e0e7c8 | 333 | call->unmarshall++; |
12bdcf33 DH |
334 | if (call->operation_ID == FSFETCHDATA64) { |
335 | afs_extract_to_tmp64(call); | |
336 | } else { | |
337 | call->tmp_u = htonl(0); | |
338 | afs_extract_to_tmp(call); | |
b9b1f8d5 | 339 | } |
29881608 | 340 | /* Fall through */ |
08e0e7c8 | 341 | |
29881608 | 342 | /* extract the returned data length */ |
12bdcf33 | 343 | case 1: |
08e0e7c8 | 344 | _debug("extract data length"); |
12bdcf33 | 345 | ret = afs_extract_data(call, true); |
372ee163 DH |
346 | if (ret < 0) |
347 | return ret; | |
1da177e4 | 348 | |
12bdcf33 | 349 | req->actual_len = be64_to_cpu(call->tmp64); |
196ee9cd | 350 | _debug("DATA length: %llu", req->actual_len); |
12bdcf33 DH |
351 | req->remain = min(req->len, req->actual_len); |
352 | if (req->remain == 0) | |
196ee9cd | 353 | goto no_more_data; |
12bdcf33 | 354 | |
08e0e7c8 DH |
355 | call->unmarshall++; |
356 | ||
196ee9cd | 357 | begin_page: |
6db3ac3c | 358 | ASSERTCMP(req->index, <, req->nr_pages); |
12bdcf33 DH |
359 | if (req->remain > PAGE_SIZE - req->offset) |
360 | size = PAGE_SIZE - req->offset; | |
196ee9cd DH |
361 | else |
362 | size = req->remain; | |
12bdcf33 DH |
363 | call->bvec[0].bv_len = size; |
364 | call->bvec[0].bv_offset = req->offset; | |
365 | call->bvec[0].bv_page = req->pages[req->index]; | |
366 | iov_iter_bvec(&call->iter, READ, call->bvec, 1, size); | |
367 | ASSERTCMP(size, <=, PAGE_SIZE); | |
29881608 | 368 | /* Fall through */ |
196ee9cd | 369 | |
29881608 | 370 | /* extract the returned data */ |
12bdcf33 DH |
371 | case 2: |
372 | _debug("extract data %zu/%llu", | |
373 | iov_iter_count(&call->iter), req->remain); | |
196ee9cd | 374 | |
12bdcf33 | 375 | ret = afs_extract_data(call, true); |
196ee9cd DH |
376 | if (ret < 0) |
377 | return ret; | |
12bdcf33 DH |
378 | req->remain -= call->bvec[0].bv_len; |
379 | req->offset += call->bvec[0].bv_len; | |
380 | ASSERTCMP(req->offset, <=, PAGE_SIZE); | |
381 | if (req->offset == PAGE_SIZE) { | |
382 | req->offset = 0; | |
196ee9cd | 383 | if (req->page_done) |
a58823ac | 384 | req->page_done(req); |
29f06985 | 385 | req->index++; |
12bdcf33 | 386 | if (req->remain > 0) |
196ee9cd | 387 | goto begin_page; |
08e0e7c8 | 388 | } |
12bdcf33 DH |
389 | |
390 | ASSERTCMP(req->remain, ==, 0); | |
391 | if (req->actual_len <= req->len) | |
392 | goto no_more_data; | |
6db3ac3c DH |
393 | |
394 | /* Discard any excess data the server gave us */ | |
23a28913 | 395 | afs_extract_discard(call, req->actual_len - req->len); |
12bdcf33 | 396 | call->unmarshall = 3; |
e690c9e3 | 397 | /* Fall through */ |
29881608 | 398 | |
12bdcf33 DH |
399 | case 3: |
400 | _debug("extract discard %zu/%llu", | |
401 | iov_iter_count(&call->iter), req->actual_len - req->len); | |
402 | ||
403 | ret = afs_extract_data(call, true); | |
6db3ac3c DH |
404 | if (ret < 0) |
405 | return ret; | |
1da177e4 | 406 | |
196ee9cd | 407 | no_more_data: |
12bdcf33 DH |
408 | call->unmarshall = 4; |
409 | afs_extract_to_buf(call, (21 + 3 + 6) * 4); | |
29881608 | 410 | /* Fall through */ |
1da177e4 | 411 | |
29881608 | 412 | /* extract the metadata */ |
12bdcf33 DH |
413 | case 4: |
414 | ret = afs_extract_data(call, false); | |
372ee163 DH |
415 | if (ret < 0) |
416 | return ret; | |
08e0e7c8 DH |
417 | |
418 | bp = call->buffer; | |
a58823ac | 419 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
420 | if (ret < 0) |
421 | return ret; | |
a58823ac | 422 | xdr_decode_AFSCallBack(&bp, call, call->out_scb); |
ffba718e | 423 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
08e0e7c8 | 424 | |
a58823ac DH |
425 | req->data_version = call->out_scb->status.data_version; |
426 | req->file_size = call->out_scb->status.size; | |
427 | ||
08e0e7c8 | 428 | call->unmarshall++; |
1da177e4 | 429 | |
12bdcf33 | 430 | case 5: |
08e0e7c8 | 431 | break; |
1da177e4 LT |
432 | } |
433 | ||
6db3ac3c | 434 | for (; req->index < req->nr_pages; req->index++) { |
12bdcf33 | 435 | if (req->offset < PAGE_SIZE) |
6db3ac3c | 436 | zero_user_segment(req->pages[req->index], |
12bdcf33 | 437 | req->offset, PAGE_SIZE); |
196ee9cd | 438 | if (req->page_done) |
a58823ac | 439 | req->page_done(req); |
12bdcf33 | 440 | req->offset = 0; |
416351f2 DH |
441 | } |
442 | ||
08e0e7c8 DH |
443 | _leave(" = 0 [done]"); |
444 | return 0; | |
ec26815a | 445 | } |
1da177e4 | 446 | |
196ee9cd DH |
447 | static void afs_fetch_data_destructor(struct afs_call *call) |
448 | { | |
ffba718e | 449 | struct afs_read *req = call->read_request; |
196ee9cd DH |
450 | |
451 | afs_put_read(req); | |
452 | afs_flat_call_destructor(call); | |
453 | } | |
454 | ||
1da177e4 | 455 | /* |
08e0e7c8 | 456 | * FS.FetchData operation type |
1da177e4 | 457 | */ |
08e0e7c8 | 458 | static const struct afs_call_type afs_RXFSFetchData = { |
00d3b7a4 | 459 | .name = "FS.FetchData", |
025db80c | 460 | .op = afs_FS_FetchData, |
08e0e7c8 | 461 | .deliver = afs_deliver_fs_fetch_data, |
196ee9cd | 462 | .destructor = afs_fetch_data_destructor, |
08e0e7c8 DH |
463 | }; |
464 | ||
b9b1f8d5 DH |
465 | static const struct afs_call_type afs_RXFSFetchData64 = { |
466 | .name = "FS.FetchData64", | |
025db80c | 467 | .op = afs_FS_FetchData64, |
b9b1f8d5 | 468 | .deliver = afs_deliver_fs_fetch_data, |
196ee9cd | 469 | .destructor = afs_fetch_data_destructor, |
b9b1f8d5 DH |
470 | }; |
471 | ||
472 | /* | |
473 | * fetch data from a very large file | |
474 | */ | |
a58823ac DH |
475 | static int afs_fs_fetch_data64(struct afs_fs_cursor *fc, |
476 | struct afs_status_cb *scb, | |
477 | struct afs_read *req) | |
b9b1f8d5 | 478 | { |
d2ddc776 | 479 | struct afs_vnode *vnode = fc->vnode; |
b9b1f8d5 | 480 | struct afs_call *call; |
f044c884 | 481 | struct afs_net *net = afs_v2net(vnode); |
b9b1f8d5 DH |
482 | __be32 *bp; |
483 | ||
484 | _enter(""); | |
485 | ||
f044c884 | 486 | call = afs_alloc_flat_call(net, &afs_RXFSFetchData64, 32, (21 + 3 + 6) * 4); |
b9b1f8d5 DH |
487 | if (!call) |
488 | return -ENOMEM; | |
489 | ||
d2ddc776 | 490 | call->key = fc->key; |
a58823ac | 491 | call->out_scb = scb; |
ffba718e DH |
492 | call->out_volsync = NULL; |
493 | call->read_request = req; | |
b9b1f8d5 DH |
494 | |
495 | /* marshall the parameters */ | |
496 | bp = call->request; | |
497 | bp[0] = htonl(FSFETCHDATA64); | |
498 | bp[1] = htonl(vnode->fid.vid); | |
499 | bp[2] = htonl(vnode->fid.vnode); | |
500 | bp[3] = htonl(vnode->fid.unique); | |
196ee9cd DH |
501 | bp[4] = htonl(upper_32_bits(req->pos)); |
502 | bp[5] = htonl(lower_32_bits(req->pos)); | |
b9b1f8d5 | 503 | bp[6] = 0; |
196ee9cd | 504 | bp[7] = htonl(lower_32_bits(req->len)); |
b9b1f8d5 | 505 | |
f3ddee8d | 506 | refcount_inc(&req->usage); |
d2ddc776 | 507 | afs_use_fs_server(call, fc->cbi); |
025db80c | 508 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 509 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
510 | afs_make_call(&fc->ac, call, GFP_NOFS); |
511 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
b9b1f8d5 DH |
512 | } |
513 | ||
08e0e7c8 DH |
514 | /* |
515 | * fetch data from a file | |
516 | */ | |
a58823ac DH |
517 | int afs_fs_fetch_data(struct afs_fs_cursor *fc, |
518 | struct afs_status_cb *scb, | |
519 | struct afs_read *req) | |
1da177e4 | 520 | { |
d2ddc776 | 521 | struct afs_vnode *vnode = fc->vnode; |
08e0e7c8 | 522 | struct afs_call *call; |
f044c884 | 523 | struct afs_net *net = afs_v2net(vnode); |
1da177e4 LT |
524 | __be32 *bp; |
525 | ||
30062bd1 | 526 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 527 | return yfs_fs_fetch_data(fc, scb, req); |
30062bd1 | 528 | |
196ee9cd DH |
529 | if (upper_32_bits(req->pos) || |
530 | upper_32_bits(req->len) || | |
531 | upper_32_bits(req->pos + req->len)) | |
a58823ac | 532 | return afs_fs_fetch_data64(fc, scb, req); |
b9b1f8d5 | 533 | |
08e0e7c8 | 534 | _enter(""); |
1da177e4 | 535 | |
f044c884 | 536 | call = afs_alloc_flat_call(net, &afs_RXFSFetchData, 24, (21 + 3 + 6) * 4); |
08e0e7c8 DH |
537 | if (!call) |
538 | return -ENOMEM; | |
1da177e4 | 539 | |
d2ddc776 | 540 | call->key = fc->key; |
a58823ac | 541 | call->out_scb = scb; |
ffba718e DH |
542 | call->out_volsync = NULL; |
543 | call->read_request = req; | |
1da177e4 LT |
544 | |
545 | /* marshall the parameters */ | |
08e0e7c8 DH |
546 | bp = call->request; |
547 | bp[0] = htonl(FSFETCHDATA); | |
548 | bp[1] = htonl(vnode->fid.vid); | |
549 | bp[2] = htonl(vnode->fid.vnode); | |
550 | bp[3] = htonl(vnode->fid.unique); | |
196ee9cd DH |
551 | bp[4] = htonl(lower_32_bits(req->pos)); |
552 | bp[5] = htonl(lower_32_bits(req->len)); | |
1da177e4 | 553 | |
f3ddee8d | 554 | refcount_inc(&req->usage); |
d2ddc776 | 555 | afs_use_fs_server(call, fc->cbi); |
025db80c | 556 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 557 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
558 | afs_make_call(&fc->ac, call, GFP_NOFS); |
559 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
ec26815a | 560 | } |
260a9803 DH |
561 | |
562 | /* | |
563 | * deliver reply data to an FS.CreateFile or an FS.MakeDir | |
564 | */ | |
d001648e | 565 | static int afs_deliver_fs_create_vnode(struct afs_call *call) |
260a9803 | 566 | { |
260a9803 | 567 | const __be32 *bp; |
372ee163 | 568 | int ret; |
260a9803 | 569 | |
d001648e | 570 | ret = afs_transfer_reply(call); |
372ee163 DH |
571 | if (ret < 0) |
572 | return ret; | |
260a9803 DH |
573 | |
574 | /* unmarshall the reply once we've received all of it */ | |
575 | bp = call->buffer; | |
ffba718e | 576 | xdr_decode_AFSFid(&bp, call->out_fid); |
a58823ac | 577 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
578 | if (ret < 0) |
579 | return ret; | |
a58823ac | 580 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_dir_scb); |
160cb957 DH |
581 | if (ret < 0) |
582 | return ret; | |
a58823ac | 583 | xdr_decode_AFSCallBack(&bp, call, call->out_scb); |
ffba718e | 584 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
260a9803 DH |
585 | |
586 | _leave(" = 0 [done]"); | |
587 | return 0; | |
588 | } | |
589 | ||
590 | /* | |
591 | * FS.CreateFile and FS.MakeDir operation type | |
592 | */ | |
025db80c DH |
593 | static const struct afs_call_type afs_RXFSCreateFile = { |
594 | .name = "FS.CreateFile", | |
595 | .op = afs_FS_CreateFile, | |
596 | .deliver = afs_deliver_fs_create_vnode, | |
597 | .destructor = afs_flat_call_destructor, | |
598 | }; | |
599 | ||
600 | static const struct afs_call_type afs_RXFSMakeDir = { | |
601 | .name = "FS.MakeDir", | |
602 | .op = afs_FS_MakeDir, | |
260a9803 | 603 | .deliver = afs_deliver_fs_create_vnode, |
260a9803 DH |
604 | .destructor = afs_flat_call_destructor, |
605 | }; | |
606 | ||
607 | /* | |
608 | * create a file or make a directory | |
609 | */ | |
8b2a464c | 610 | int afs_fs_create(struct afs_fs_cursor *fc, |
260a9803 DH |
611 | const char *name, |
612 | umode_t mode, | |
a58823ac | 613 | struct afs_status_cb *dvnode_scb, |
260a9803 | 614 | struct afs_fid *newfid, |
a58823ac | 615 | struct afs_status_cb *new_scb) |
260a9803 | 616 | { |
ffba718e | 617 | struct afs_vnode *dvnode = fc->vnode; |
260a9803 | 618 | struct afs_call *call; |
ffba718e | 619 | struct afs_net *net = afs_v2net(dvnode); |
260a9803 DH |
620 | size_t namesz, reqsz, padsz; |
621 | __be32 *bp; | |
622 | ||
30062bd1 DH |
623 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)){ |
624 | if (S_ISDIR(mode)) | |
a58823ac DH |
625 | return yfs_fs_make_dir(fc, name, mode, dvnode_scb, |
626 | newfid, new_scb); | |
30062bd1 | 627 | else |
a58823ac DH |
628 | return yfs_fs_create_file(fc, name, mode, dvnode_scb, |
629 | newfid, new_scb); | |
30062bd1 DH |
630 | } |
631 | ||
260a9803 DH |
632 | _enter(""); |
633 | ||
634 | namesz = strlen(name); | |
635 | padsz = (4 - (namesz & 3)) & 3; | |
636 | reqsz = (5 * 4) + namesz + padsz + (6 * 4); | |
637 | ||
025db80c DH |
638 | call = afs_alloc_flat_call( |
639 | net, S_ISDIR(mode) ? &afs_RXFSMakeDir : &afs_RXFSCreateFile, | |
640 | reqsz, (3 + 21 + 21 + 3 + 6) * 4); | |
260a9803 DH |
641 | if (!call) |
642 | return -ENOMEM; | |
643 | ||
d2ddc776 | 644 | call->key = fc->key; |
a58823ac | 645 | call->out_dir_scb = dvnode_scb; |
ffba718e | 646 | call->out_fid = newfid; |
a58823ac | 647 | call->out_scb = new_scb; |
260a9803 DH |
648 | |
649 | /* marshall the parameters */ | |
650 | bp = call->request; | |
651 | *bp++ = htonl(S_ISDIR(mode) ? FSMAKEDIR : FSCREATEFILE); | |
ffba718e DH |
652 | *bp++ = htonl(dvnode->fid.vid); |
653 | *bp++ = htonl(dvnode->fid.vnode); | |
654 | *bp++ = htonl(dvnode->fid.unique); | |
260a9803 DH |
655 | *bp++ = htonl(namesz); |
656 | memcpy(bp, name, namesz); | |
657 | bp = (void *) bp + namesz; | |
658 | if (padsz > 0) { | |
659 | memset(bp, 0, padsz); | |
660 | bp = (void *) bp + padsz; | |
661 | } | |
ab94f5d0 | 662 | *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME); |
ffba718e | 663 | *bp++ = htonl(dvnode->vfs_inode.i_mtime.tv_sec); /* mtime */ |
260a9803 DH |
664 | *bp++ = 0; /* owner */ |
665 | *bp++ = 0; /* group */ | |
666 | *bp++ = htonl(mode & S_IALLUGO); /* unix mode */ | |
667 | *bp++ = 0; /* segment size */ | |
668 | ||
d2ddc776 | 669 | afs_use_fs_server(call, fc->cbi); |
ffba718e | 670 | trace_afs_make_fs_call1(call, &dvnode->fid, name); |
20b8391f | 671 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
672 | afs_make_call(&fc->ac, call, GFP_NOFS); |
673 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
260a9803 DH |
674 | } |
675 | ||
676 | /* | |
ffba718e | 677 | * Deliver reply data to any operation that returns directory status and volume |
b10494af | 678 | * sync. |
260a9803 | 679 | */ |
ffba718e | 680 | static int afs_deliver_fs_dir_status_and_vol(struct afs_call *call) |
260a9803 | 681 | { |
260a9803 | 682 | const __be32 *bp; |
372ee163 | 683 | int ret; |
260a9803 | 684 | |
d001648e | 685 | ret = afs_transfer_reply(call); |
372ee163 DH |
686 | if (ret < 0) |
687 | return ret; | |
260a9803 DH |
688 | |
689 | /* unmarshall the reply once we've received all of it */ | |
690 | bp = call->buffer; | |
a58823ac | 691 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_dir_scb); |
160cb957 DH |
692 | if (ret < 0) |
693 | return ret; | |
ffba718e | 694 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
260a9803 DH |
695 | |
696 | _leave(" = 0 [done]"); | |
697 | return 0; | |
698 | } | |
699 | ||
700 | /* | |
701 | * FS.RemoveDir/FS.RemoveFile operation type | |
702 | */ | |
025db80c DH |
703 | static const struct afs_call_type afs_RXFSRemoveFile = { |
704 | .name = "FS.RemoveFile", | |
705 | .op = afs_FS_RemoveFile, | |
ffba718e | 706 | .deliver = afs_deliver_fs_dir_status_and_vol, |
025db80c DH |
707 | .destructor = afs_flat_call_destructor, |
708 | }; | |
709 | ||
710 | static const struct afs_call_type afs_RXFSRemoveDir = { | |
711 | .name = "FS.RemoveDir", | |
712 | .op = afs_FS_RemoveDir, | |
ffba718e | 713 | .deliver = afs_deliver_fs_dir_status_and_vol, |
260a9803 DH |
714 | .destructor = afs_flat_call_destructor, |
715 | }; | |
716 | ||
717 | /* | |
718 | * remove a file or directory | |
719 | */ | |
30062bd1 | 720 | int afs_fs_remove(struct afs_fs_cursor *fc, struct afs_vnode *vnode, |
a58823ac | 721 | const char *name, bool isdir, struct afs_status_cb *dvnode_scb) |
260a9803 | 722 | { |
30062bd1 | 723 | struct afs_vnode *dvnode = fc->vnode; |
260a9803 | 724 | struct afs_call *call; |
30062bd1 | 725 | struct afs_net *net = afs_v2net(dvnode); |
260a9803 DH |
726 | size_t namesz, reqsz, padsz; |
727 | __be32 *bp; | |
728 | ||
30062bd1 | 729 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 730 | return yfs_fs_remove(fc, vnode, name, isdir, dvnode_scb); |
30062bd1 | 731 | |
260a9803 DH |
732 | _enter(""); |
733 | ||
734 | namesz = strlen(name); | |
735 | padsz = (4 - (namesz & 3)) & 3; | |
736 | reqsz = (5 * 4) + namesz + padsz; | |
737 | ||
025db80c DH |
738 | call = afs_alloc_flat_call( |
739 | net, isdir ? &afs_RXFSRemoveDir : &afs_RXFSRemoveFile, | |
740 | reqsz, (21 + 6) * 4); | |
260a9803 DH |
741 | if (!call) |
742 | return -ENOMEM; | |
743 | ||
d2ddc776 | 744 | call->key = fc->key; |
a58823ac | 745 | call->out_dir_scb = dvnode_scb; |
260a9803 DH |
746 | |
747 | /* marshall the parameters */ | |
748 | bp = call->request; | |
749 | *bp++ = htonl(isdir ? FSREMOVEDIR : FSREMOVEFILE); | |
30062bd1 DH |
750 | *bp++ = htonl(dvnode->fid.vid); |
751 | *bp++ = htonl(dvnode->fid.vnode); | |
752 | *bp++ = htonl(dvnode->fid.unique); | |
260a9803 DH |
753 | *bp++ = htonl(namesz); |
754 | memcpy(bp, name, namesz); | |
755 | bp = (void *) bp + namesz; | |
756 | if (padsz > 0) { | |
757 | memset(bp, 0, padsz); | |
758 | bp = (void *) bp + padsz; | |
759 | } | |
760 | ||
d2ddc776 | 761 | afs_use_fs_server(call, fc->cbi); |
80548b03 | 762 | trace_afs_make_fs_call1(call, &dvnode->fid, name); |
20b8391f | 763 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
764 | afs_make_call(&fc->ac, call, GFP_NOFS); |
765 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
260a9803 DH |
766 | } |
767 | ||
768 | /* | |
769 | * deliver reply data to an FS.Link | |
770 | */ | |
d001648e | 771 | static int afs_deliver_fs_link(struct afs_call *call) |
260a9803 | 772 | { |
260a9803 | 773 | const __be32 *bp; |
372ee163 | 774 | int ret; |
260a9803 | 775 | |
d001648e | 776 | _enter("{%u}", call->unmarshall); |
260a9803 | 777 | |
d001648e | 778 | ret = afs_transfer_reply(call); |
372ee163 DH |
779 | if (ret < 0) |
780 | return ret; | |
260a9803 DH |
781 | |
782 | /* unmarshall the reply once we've received all of it */ | |
783 | bp = call->buffer; | |
a58823ac | 784 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
785 | if (ret < 0) |
786 | return ret; | |
a58823ac | 787 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_dir_scb); |
160cb957 DH |
788 | if (ret < 0) |
789 | return ret; | |
ffba718e | 790 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
260a9803 DH |
791 | |
792 | _leave(" = 0 [done]"); | |
793 | return 0; | |
794 | } | |
795 | ||
796 | /* | |
797 | * FS.Link operation type | |
798 | */ | |
799 | static const struct afs_call_type afs_RXFSLink = { | |
800 | .name = "FS.Link", | |
025db80c | 801 | .op = afs_FS_Link, |
260a9803 | 802 | .deliver = afs_deliver_fs_link, |
260a9803 DH |
803 | .destructor = afs_flat_call_destructor, |
804 | }; | |
805 | ||
806 | /* | |
807 | * make a hard link | |
808 | */ | |
d2ddc776 | 809 | int afs_fs_link(struct afs_fs_cursor *fc, struct afs_vnode *vnode, |
a58823ac DH |
810 | const char *name, |
811 | struct afs_status_cb *dvnode_scb, | |
812 | struct afs_status_cb *vnode_scb) | |
260a9803 | 813 | { |
d2ddc776 | 814 | struct afs_vnode *dvnode = fc->vnode; |
260a9803 | 815 | struct afs_call *call; |
f044c884 | 816 | struct afs_net *net = afs_v2net(vnode); |
260a9803 DH |
817 | size_t namesz, reqsz, padsz; |
818 | __be32 *bp; | |
819 | ||
30062bd1 | 820 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 821 | return yfs_fs_link(fc, vnode, name, dvnode_scb, vnode_scb); |
30062bd1 | 822 | |
260a9803 DH |
823 | _enter(""); |
824 | ||
825 | namesz = strlen(name); | |
826 | padsz = (4 - (namesz & 3)) & 3; | |
827 | reqsz = (5 * 4) + namesz + padsz + (3 * 4); | |
828 | ||
f044c884 | 829 | call = afs_alloc_flat_call(net, &afs_RXFSLink, reqsz, (21 + 21 + 6) * 4); |
260a9803 DH |
830 | if (!call) |
831 | return -ENOMEM; | |
832 | ||
d2ddc776 | 833 | call->key = fc->key; |
a58823ac DH |
834 | call->out_dir_scb = dvnode_scb; |
835 | call->out_scb = vnode_scb; | |
260a9803 DH |
836 | |
837 | /* marshall the parameters */ | |
838 | bp = call->request; | |
839 | *bp++ = htonl(FSLINK); | |
840 | *bp++ = htonl(dvnode->fid.vid); | |
841 | *bp++ = htonl(dvnode->fid.vnode); | |
842 | *bp++ = htonl(dvnode->fid.unique); | |
843 | *bp++ = htonl(namesz); | |
844 | memcpy(bp, name, namesz); | |
845 | bp = (void *) bp + namesz; | |
846 | if (padsz > 0) { | |
847 | memset(bp, 0, padsz); | |
848 | bp = (void *) bp + padsz; | |
849 | } | |
850 | *bp++ = htonl(vnode->fid.vid); | |
851 | *bp++ = htonl(vnode->fid.vnode); | |
852 | *bp++ = htonl(vnode->fid.unique); | |
853 | ||
d2ddc776 | 854 | afs_use_fs_server(call, fc->cbi); |
80548b03 | 855 | trace_afs_make_fs_call1(call, &vnode->fid, name); |
20b8391f | 856 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
857 | afs_make_call(&fc->ac, call, GFP_NOFS); |
858 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
260a9803 DH |
859 | } |
860 | ||
861 | /* | |
862 | * deliver reply data to an FS.Symlink | |
863 | */ | |
d001648e | 864 | static int afs_deliver_fs_symlink(struct afs_call *call) |
260a9803 | 865 | { |
260a9803 | 866 | const __be32 *bp; |
372ee163 | 867 | int ret; |
260a9803 | 868 | |
d001648e | 869 | _enter("{%u}", call->unmarshall); |
260a9803 | 870 | |
d001648e | 871 | ret = afs_transfer_reply(call); |
372ee163 DH |
872 | if (ret < 0) |
873 | return ret; | |
260a9803 DH |
874 | |
875 | /* unmarshall the reply once we've received all of it */ | |
876 | bp = call->buffer; | |
ffba718e | 877 | xdr_decode_AFSFid(&bp, call->out_fid); |
a58823ac | 878 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
879 | if (ret < 0) |
880 | return ret; | |
a58823ac | 881 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_dir_scb); |
160cb957 DH |
882 | if (ret < 0) |
883 | return ret; | |
ffba718e | 884 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
260a9803 DH |
885 | |
886 | _leave(" = 0 [done]"); | |
887 | return 0; | |
888 | } | |
889 | ||
890 | /* | |
891 | * FS.Symlink operation type | |
892 | */ | |
893 | static const struct afs_call_type afs_RXFSSymlink = { | |
894 | .name = "FS.Symlink", | |
025db80c | 895 | .op = afs_FS_Symlink, |
260a9803 | 896 | .deliver = afs_deliver_fs_symlink, |
260a9803 DH |
897 | .destructor = afs_flat_call_destructor, |
898 | }; | |
899 | ||
900 | /* | |
901 | * create a symbolic link | |
902 | */ | |
8b2a464c | 903 | int afs_fs_symlink(struct afs_fs_cursor *fc, |
260a9803 DH |
904 | const char *name, |
905 | const char *contents, | |
a58823ac | 906 | struct afs_status_cb *dvnode_scb, |
260a9803 | 907 | struct afs_fid *newfid, |
a58823ac | 908 | struct afs_status_cb *new_scb) |
260a9803 | 909 | { |
ffba718e | 910 | struct afs_vnode *dvnode = fc->vnode; |
260a9803 | 911 | struct afs_call *call; |
ffba718e | 912 | struct afs_net *net = afs_v2net(dvnode); |
260a9803 DH |
913 | size_t namesz, reqsz, padsz, c_namesz, c_padsz; |
914 | __be32 *bp; | |
915 | ||
30062bd1 | 916 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac DH |
917 | return yfs_fs_symlink(fc, name, contents, dvnode_scb, |
918 | newfid, new_scb); | |
30062bd1 | 919 | |
260a9803 DH |
920 | _enter(""); |
921 | ||
922 | namesz = strlen(name); | |
923 | padsz = (4 - (namesz & 3)) & 3; | |
924 | ||
925 | c_namesz = strlen(contents); | |
926 | c_padsz = (4 - (c_namesz & 3)) & 3; | |
927 | ||
928 | reqsz = (6 * 4) + namesz + padsz + c_namesz + c_padsz + (6 * 4); | |
929 | ||
f044c884 | 930 | call = afs_alloc_flat_call(net, &afs_RXFSSymlink, reqsz, |
260a9803 DH |
931 | (3 + 21 + 21 + 6) * 4); |
932 | if (!call) | |
933 | return -ENOMEM; | |
934 | ||
d2ddc776 | 935 | call->key = fc->key; |
a58823ac | 936 | call->out_dir_scb = dvnode_scb; |
ffba718e | 937 | call->out_fid = newfid; |
a58823ac | 938 | call->out_scb = new_scb; |
260a9803 DH |
939 | |
940 | /* marshall the parameters */ | |
941 | bp = call->request; | |
942 | *bp++ = htonl(FSSYMLINK); | |
ffba718e DH |
943 | *bp++ = htonl(dvnode->fid.vid); |
944 | *bp++ = htonl(dvnode->fid.vnode); | |
945 | *bp++ = htonl(dvnode->fid.unique); | |
260a9803 DH |
946 | *bp++ = htonl(namesz); |
947 | memcpy(bp, name, namesz); | |
948 | bp = (void *) bp + namesz; | |
949 | if (padsz > 0) { | |
950 | memset(bp, 0, padsz); | |
951 | bp = (void *) bp + padsz; | |
952 | } | |
953 | *bp++ = htonl(c_namesz); | |
954 | memcpy(bp, contents, c_namesz); | |
955 | bp = (void *) bp + c_namesz; | |
956 | if (c_padsz > 0) { | |
957 | memset(bp, 0, c_padsz); | |
958 | bp = (void *) bp + c_padsz; | |
959 | } | |
ab94f5d0 | 960 | *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME); |
ffba718e | 961 | *bp++ = htonl(dvnode->vfs_inode.i_mtime.tv_sec); /* mtime */ |
260a9803 DH |
962 | *bp++ = 0; /* owner */ |
963 | *bp++ = 0; /* group */ | |
964 | *bp++ = htonl(S_IRWXUGO); /* unix mode */ | |
965 | *bp++ = 0; /* segment size */ | |
966 | ||
d2ddc776 | 967 | afs_use_fs_server(call, fc->cbi); |
ffba718e | 968 | trace_afs_make_fs_call1(call, &dvnode->fid, name); |
20b8391f | 969 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
970 | afs_make_call(&fc->ac, call, GFP_NOFS); |
971 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
260a9803 DH |
972 | } |
973 | ||
974 | /* | |
975 | * deliver reply data to an FS.Rename | |
976 | */ | |
d001648e | 977 | static int afs_deliver_fs_rename(struct afs_call *call) |
260a9803 | 978 | { |
260a9803 | 979 | const __be32 *bp; |
372ee163 | 980 | int ret; |
260a9803 | 981 | |
d001648e | 982 | ret = afs_transfer_reply(call); |
372ee163 DH |
983 | if (ret < 0) |
984 | return ret; | |
260a9803 DH |
985 | |
986 | /* unmarshall the reply once we've received all of it */ | |
987 | bp = call->buffer; | |
a58823ac | 988 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_dir_scb); |
160cb957 DH |
989 | if (ret < 0) |
990 | return ret; | |
a58823ac DH |
991 | if (call->out_dir_scb != call->out_scb) { |
992 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); | |
160cb957 DH |
993 | if (ret < 0) |
994 | return ret; | |
995 | } | |
ffba718e | 996 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
260a9803 DH |
997 | |
998 | _leave(" = 0 [done]"); | |
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | /* | |
1003 | * FS.Rename operation type | |
1004 | */ | |
1005 | static const struct afs_call_type afs_RXFSRename = { | |
1006 | .name = "FS.Rename", | |
025db80c | 1007 | .op = afs_FS_Rename, |
260a9803 | 1008 | .deliver = afs_deliver_fs_rename, |
260a9803 DH |
1009 | .destructor = afs_flat_call_destructor, |
1010 | }; | |
1011 | ||
1012 | /* | |
a58823ac | 1013 | * Rename/move a file or directory. |
260a9803 | 1014 | */ |
8b2a464c | 1015 | int afs_fs_rename(struct afs_fs_cursor *fc, |
260a9803 DH |
1016 | const char *orig_name, |
1017 | struct afs_vnode *new_dvnode, | |
63a4681f | 1018 | const char *new_name, |
a58823ac DH |
1019 | struct afs_status_cb *orig_dvnode_scb, |
1020 | struct afs_status_cb *new_dvnode_scb) | |
260a9803 | 1021 | { |
d2ddc776 | 1022 | struct afs_vnode *orig_dvnode = fc->vnode; |
260a9803 | 1023 | struct afs_call *call; |
f044c884 | 1024 | struct afs_net *net = afs_v2net(orig_dvnode); |
260a9803 DH |
1025 | size_t reqsz, o_namesz, o_padsz, n_namesz, n_padsz; |
1026 | __be32 *bp; | |
1027 | ||
30062bd1 DH |
1028 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
1029 | return yfs_fs_rename(fc, orig_name, | |
1030 | new_dvnode, new_name, | |
a58823ac DH |
1031 | orig_dvnode_scb, |
1032 | new_dvnode_scb); | |
30062bd1 | 1033 | |
260a9803 DH |
1034 | _enter(""); |
1035 | ||
1036 | o_namesz = strlen(orig_name); | |
1037 | o_padsz = (4 - (o_namesz & 3)) & 3; | |
1038 | ||
1039 | n_namesz = strlen(new_name); | |
1040 | n_padsz = (4 - (n_namesz & 3)) & 3; | |
1041 | ||
1042 | reqsz = (4 * 4) + | |
1043 | 4 + o_namesz + o_padsz + | |
1044 | (3 * 4) + | |
1045 | 4 + n_namesz + n_padsz; | |
1046 | ||
f044c884 | 1047 | call = afs_alloc_flat_call(net, &afs_RXFSRename, reqsz, (21 + 21 + 6) * 4); |
260a9803 DH |
1048 | if (!call) |
1049 | return -ENOMEM; | |
1050 | ||
d2ddc776 | 1051 | call->key = fc->key; |
a58823ac DH |
1052 | call->out_dir_scb = orig_dvnode_scb; |
1053 | call->out_scb = new_dvnode_scb; | |
260a9803 DH |
1054 | |
1055 | /* marshall the parameters */ | |
1056 | bp = call->request; | |
1057 | *bp++ = htonl(FSRENAME); | |
1058 | *bp++ = htonl(orig_dvnode->fid.vid); | |
1059 | *bp++ = htonl(orig_dvnode->fid.vnode); | |
1060 | *bp++ = htonl(orig_dvnode->fid.unique); | |
1061 | *bp++ = htonl(o_namesz); | |
1062 | memcpy(bp, orig_name, o_namesz); | |
1063 | bp = (void *) bp + o_namesz; | |
1064 | if (o_padsz > 0) { | |
1065 | memset(bp, 0, o_padsz); | |
1066 | bp = (void *) bp + o_padsz; | |
1067 | } | |
1068 | ||
1069 | *bp++ = htonl(new_dvnode->fid.vid); | |
1070 | *bp++ = htonl(new_dvnode->fid.vnode); | |
1071 | *bp++ = htonl(new_dvnode->fid.unique); | |
1072 | *bp++ = htonl(n_namesz); | |
1073 | memcpy(bp, new_name, n_namesz); | |
1074 | bp = (void *) bp + n_namesz; | |
1075 | if (n_padsz > 0) { | |
1076 | memset(bp, 0, n_padsz); | |
1077 | bp = (void *) bp + n_padsz; | |
1078 | } | |
1079 | ||
d2ddc776 | 1080 | afs_use_fs_server(call, fc->cbi); |
80548b03 | 1081 | trace_afs_make_fs_call2(call, &orig_dvnode->fid, orig_name, new_name); |
20b8391f | 1082 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1083 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1084 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
260a9803 | 1085 | } |
31143d5d DH |
1086 | |
1087 | /* | |
1088 | * deliver reply data to an FS.StoreData | |
1089 | */ | |
d001648e | 1090 | static int afs_deliver_fs_store_data(struct afs_call *call) |
31143d5d | 1091 | { |
31143d5d | 1092 | const __be32 *bp; |
372ee163 | 1093 | int ret; |
31143d5d | 1094 | |
d001648e | 1095 | _enter(""); |
31143d5d | 1096 | |
d001648e | 1097 | ret = afs_transfer_reply(call); |
372ee163 DH |
1098 | if (ret < 0) |
1099 | return ret; | |
31143d5d DH |
1100 | |
1101 | /* unmarshall the reply once we've received all of it */ | |
1102 | bp = call->buffer; | |
a58823ac | 1103 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
1104 | if (ret < 0) |
1105 | return ret; | |
ffba718e | 1106 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
31143d5d | 1107 | |
31143d5d DH |
1108 | _leave(" = 0 [done]"); |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | /* | |
1113 | * FS.StoreData operation type | |
1114 | */ | |
1115 | static const struct afs_call_type afs_RXFSStoreData = { | |
1116 | .name = "FS.StoreData", | |
025db80c | 1117 | .op = afs_FS_StoreData, |
31143d5d | 1118 | .deliver = afs_deliver_fs_store_data, |
31143d5d DH |
1119 | .destructor = afs_flat_call_destructor, |
1120 | }; | |
1121 | ||
b9b1f8d5 DH |
1122 | static const struct afs_call_type afs_RXFSStoreData64 = { |
1123 | .name = "FS.StoreData64", | |
025db80c | 1124 | .op = afs_FS_StoreData64, |
b9b1f8d5 | 1125 | .deliver = afs_deliver_fs_store_data, |
b9b1f8d5 DH |
1126 | .destructor = afs_flat_call_destructor, |
1127 | }; | |
1128 | ||
1129 | /* | |
1130 | * store a set of pages to a very large file | |
1131 | */ | |
8b2a464c | 1132 | static int afs_fs_store_data64(struct afs_fs_cursor *fc, |
4343d008 | 1133 | struct address_space *mapping, |
b9b1f8d5 DH |
1134 | pgoff_t first, pgoff_t last, |
1135 | unsigned offset, unsigned to, | |
a58823ac DH |
1136 | loff_t size, loff_t pos, loff_t i_size, |
1137 | struct afs_status_cb *scb) | |
b9b1f8d5 | 1138 | { |
4343d008 | 1139 | struct afs_vnode *vnode = fc->vnode; |
b9b1f8d5 | 1140 | struct afs_call *call; |
f044c884 | 1141 | struct afs_net *net = afs_v2net(vnode); |
b9b1f8d5 DH |
1142 | __be32 *bp; |
1143 | ||
3b6492df | 1144 | _enter(",%x,{%llx:%llu},,", |
4343d008 | 1145 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); |
b9b1f8d5 | 1146 | |
f044c884 | 1147 | call = afs_alloc_flat_call(net, &afs_RXFSStoreData64, |
b9b1f8d5 DH |
1148 | (4 + 6 + 3 * 2) * 4, |
1149 | (21 + 6) * 4); | |
1150 | if (!call) | |
1151 | return -ENOMEM; | |
1152 | ||
4343d008 DH |
1153 | call->key = fc->key; |
1154 | call->mapping = mapping; | |
b9b1f8d5 DH |
1155 | call->first = first; |
1156 | call->last = last; | |
1157 | call->first_offset = offset; | |
1158 | call->last_to = to; | |
1159 | call->send_pages = true; | |
a58823ac | 1160 | call->out_scb = scb; |
b9b1f8d5 DH |
1161 | |
1162 | /* marshall the parameters */ | |
1163 | bp = call->request; | |
1164 | *bp++ = htonl(FSSTOREDATA64); | |
1165 | *bp++ = htonl(vnode->fid.vid); | |
1166 | *bp++ = htonl(vnode->fid.vnode); | |
1167 | *bp++ = htonl(vnode->fid.unique); | |
1168 | ||
ab94f5d0 MD |
1169 | *bp++ = htonl(AFS_SET_MTIME); /* mask */ |
1170 | *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */ | |
b9b1f8d5 DH |
1171 | *bp++ = 0; /* owner */ |
1172 | *bp++ = 0; /* group */ | |
1173 | *bp++ = 0; /* unix mode */ | |
1174 | *bp++ = 0; /* segment size */ | |
1175 | ||
1176 | *bp++ = htonl(pos >> 32); | |
1177 | *bp++ = htonl((u32) pos); | |
1178 | *bp++ = htonl(size >> 32); | |
1179 | *bp++ = htonl((u32) size); | |
1180 | *bp++ = htonl(i_size >> 32); | |
1181 | *bp++ = htonl((u32) i_size); | |
1182 | ||
025db80c | 1183 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1184 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1185 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1186 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
b9b1f8d5 DH |
1187 | } |
1188 | ||
31143d5d DH |
1189 | /* |
1190 | * store a set of pages | |
1191 | */ | |
4343d008 | 1192 | int afs_fs_store_data(struct afs_fs_cursor *fc, struct address_space *mapping, |
31143d5d | 1193 | pgoff_t first, pgoff_t last, |
a58823ac DH |
1194 | unsigned offset, unsigned to, |
1195 | struct afs_status_cb *scb) | |
31143d5d | 1196 | { |
4343d008 | 1197 | struct afs_vnode *vnode = fc->vnode; |
31143d5d | 1198 | struct afs_call *call; |
f044c884 | 1199 | struct afs_net *net = afs_v2net(vnode); |
31143d5d DH |
1200 | loff_t size, pos, i_size; |
1201 | __be32 *bp; | |
1202 | ||
30062bd1 | 1203 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 1204 | return yfs_fs_store_data(fc, mapping, first, last, offset, to, scb); |
30062bd1 | 1205 | |
3b6492df | 1206 | _enter(",%x,{%llx:%llu},,", |
4343d008 | 1207 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); |
31143d5d | 1208 | |
146a1192 | 1209 | size = (loff_t)to - (loff_t)offset; |
31143d5d DH |
1210 | if (first != last) |
1211 | size += (loff_t)(last - first) << PAGE_SHIFT; | |
1212 | pos = (loff_t)first << PAGE_SHIFT; | |
1213 | pos += offset; | |
1214 | ||
1215 | i_size = i_size_read(&vnode->vfs_inode); | |
1216 | if (pos + size > i_size) | |
1217 | i_size = size + pos; | |
1218 | ||
1219 | _debug("size %llx, at %llx, i_size %llx", | |
1220 | (unsigned long long) size, (unsigned long long) pos, | |
1221 | (unsigned long long) i_size); | |
1222 | ||
b9b1f8d5 | 1223 | if (pos >> 32 || i_size >> 32 || size >> 32 || (pos + size) >> 32) |
4343d008 | 1224 | return afs_fs_store_data64(fc, mapping, first, last, offset, to, |
a58823ac | 1225 | size, pos, i_size, scb); |
31143d5d | 1226 | |
f044c884 | 1227 | call = afs_alloc_flat_call(net, &afs_RXFSStoreData, |
31143d5d DH |
1228 | (4 + 6 + 3) * 4, |
1229 | (21 + 6) * 4); | |
1230 | if (!call) | |
1231 | return -ENOMEM; | |
1232 | ||
4343d008 DH |
1233 | call->key = fc->key; |
1234 | call->mapping = mapping; | |
31143d5d DH |
1235 | call->first = first; |
1236 | call->last = last; | |
1237 | call->first_offset = offset; | |
1238 | call->last_to = to; | |
1239 | call->send_pages = true; | |
a58823ac | 1240 | call->out_scb = scb; |
31143d5d DH |
1241 | |
1242 | /* marshall the parameters */ | |
1243 | bp = call->request; | |
1244 | *bp++ = htonl(FSSTOREDATA); | |
1245 | *bp++ = htonl(vnode->fid.vid); | |
1246 | *bp++ = htonl(vnode->fid.vnode); | |
1247 | *bp++ = htonl(vnode->fid.unique); | |
1248 | ||
ab94f5d0 MD |
1249 | *bp++ = htonl(AFS_SET_MTIME); /* mask */ |
1250 | *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */ | |
31143d5d DH |
1251 | *bp++ = 0; /* owner */ |
1252 | *bp++ = 0; /* group */ | |
1253 | *bp++ = 0; /* unix mode */ | |
1254 | *bp++ = 0; /* segment size */ | |
1255 | ||
1256 | *bp++ = htonl(pos); | |
1257 | *bp++ = htonl(size); | |
1258 | *bp++ = htonl(i_size); | |
1259 | ||
d2ddc776 | 1260 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1261 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1262 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1263 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1264 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
31143d5d DH |
1265 | } |
1266 | ||
1267 | /* | |
1268 | * deliver reply data to an FS.StoreStatus | |
1269 | */ | |
d001648e | 1270 | static int afs_deliver_fs_store_status(struct afs_call *call) |
31143d5d | 1271 | { |
31143d5d | 1272 | const __be32 *bp; |
372ee163 | 1273 | int ret; |
31143d5d | 1274 | |
d001648e | 1275 | _enter(""); |
31143d5d | 1276 | |
d001648e | 1277 | ret = afs_transfer_reply(call); |
372ee163 DH |
1278 | if (ret < 0) |
1279 | return ret; | |
31143d5d DH |
1280 | |
1281 | /* unmarshall the reply once we've received all of it */ | |
31143d5d | 1282 | bp = call->buffer; |
a58823ac | 1283 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
1284 | if (ret < 0) |
1285 | return ret; | |
ffba718e | 1286 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
31143d5d DH |
1287 | |
1288 | _leave(" = 0 [done]"); | |
1289 | return 0; | |
1290 | } | |
1291 | ||
1292 | /* | |
1293 | * FS.StoreStatus operation type | |
1294 | */ | |
1295 | static const struct afs_call_type afs_RXFSStoreStatus = { | |
1296 | .name = "FS.StoreStatus", | |
025db80c | 1297 | .op = afs_FS_StoreStatus, |
31143d5d | 1298 | .deliver = afs_deliver_fs_store_status, |
31143d5d DH |
1299 | .destructor = afs_flat_call_destructor, |
1300 | }; | |
1301 | ||
1302 | static const struct afs_call_type afs_RXFSStoreData_as_Status = { | |
1303 | .name = "FS.StoreData", | |
025db80c | 1304 | .op = afs_FS_StoreData, |
31143d5d | 1305 | .deliver = afs_deliver_fs_store_status, |
31143d5d DH |
1306 | .destructor = afs_flat_call_destructor, |
1307 | }; | |
1308 | ||
b9b1f8d5 DH |
1309 | static const struct afs_call_type afs_RXFSStoreData64_as_Status = { |
1310 | .name = "FS.StoreData64", | |
025db80c | 1311 | .op = afs_FS_StoreData64, |
b9b1f8d5 | 1312 | .deliver = afs_deliver_fs_store_status, |
b9b1f8d5 DH |
1313 | .destructor = afs_flat_call_destructor, |
1314 | }; | |
1315 | ||
1316 | /* | |
1317 | * set the attributes on a very large file, using FS.StoreData rather than | |
1318 | * FS.StoreStatus so as to alter the file size also | |
1319 | */ | |
a58823ac DH |
1320 | static int afs_fs_setattr_size64(struct afs_fs_cursor *fc, struct iattr *attr, |
1321 | struct afs_status_cb *scb) | |
b9b1f8d5 | 1322 | { |
d2ddc776 | 1323 | struct afs_vnode *vnode = fc->vnode; |
b9b1f8d5 | 1324 | struct afs_call *call; |
f044c884 | 1325 | struct afs_net *net = afs_v2net(vnode); |
b9b1f8d5 DH |
1326 | __be32 *bp; |
1327 | ||
3b6492df | 1328 | _enter(",%x,{%llx:%llu},,", |
d2ddc776 | 1329 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); |
b9b1f8d5 DH |
1330 | |
1331 | ASSERT(attr->ia_valid & ATTR_SIZE); | |
1332 | ||
f044c884 | 1333 | call = afs_alloc_flat_call(net, &afs_RXFSStoreData64_as_Status, |
b9b1f8d5 DH |
1334 | (4 + 6 + 3 * 2) * 4, |
1335 | (21 + 6) * 4); | |
1336 | if (!call) | |
1337 | return -ENOMEM; | |
1338 | ||
d2ddc776 | 1339 | call->key = fc->key; |
a58823ac | 1340 | call->out_scb = scb; |
b9b1f8d5 DH |
1341 | |
1342 | /* marshall the parameters */ | |
1343 | bp = call->request; | |
1344 | *bp++ = htonl(FSSTOREDATA64); | |
1345 | *bp++ = htonl(vnode->fid.vid); | |
1346 | *bp++ = htonl(vnode->fid.vnode); | |
1347 | *bp++ = htonl(vnode->fid.unique); | |
1348 | ||
1349 | xdr_encode_AFS_StoreStatus(&bp, attr); | |
1350 | ||
8c7ae38d DH |
1351 | *bp++ = htonl(attr->ia_size >> 32); /* position of start of write */ |
1352 | *bp++ = htonl((u32) attr->ia_size); | |
b9b1f8d5 DH |
1353 | *bp++ = 0; /* size of write */ |
1354 | *bp++ = 0; | |
1355 | *bp++ = htonl(attr->ia_size >> 32); /* new file length */ | |
1356 | *bp++ = htonl((u32) attr->ia_size); | |
1357 | ||
d2ddc776 | 1358 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1359 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1360 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1361 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1362 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
b9b1f8d5 DH |
1363 | } |
1364 | ||
31143d5d DH |
1365 | /* |
1366 | * set the attributes on a file, using FS.StoreData rather than FS.StoreStatus | |
1367 | * so as to alter the file size also | |
1368 | */ | |
a58823ac DH |
1369 | static int afs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr, |
1370 | struct afs_status_cb *scb) | |
31143d5d | 1371 | { |
d2ddc776 | 1372 | struct afs_vnode *vnode = fc->vnode; |
31143d5d | 1373 | struct afs_call *call; |
f044c884 | 1374 | struct afs_net *net = afs_v2net(vnode); |
31143d5d DH |
1375 | __be32 *bp; |
1376 | ||
3b6492df | 1377 | _enter(",%x,{%llx:%llu},,", |
d2ddc776 | 1378 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); |
31143d5d DH |
1379 | |
1380 | ASSERT(attr->ia_valid & ATTR_SIZE); | |
b9b1f8d5 | 1381 | if (attr->ia_size >> 32) |
a58823ac | 1382 | return afs_fs_setattr_size64(fc, attr, scb); |
31143d5d | 1383 | |
f044c884 | 1384 | call = afs_alloc_flat_call(net, &afs_RXFSStoreData_as_Status, |
31143d5d DH |
1385 | (4 + 6 + 3) * 4, |
1386 | (21 + 6) * 4); | |
1387 | if (!call) | |
1388 | return -ENOMEM; | |
1389 | ||
d2ddc776 | 1390 | call->key = fc->key; |
a58823ac | 1391 | call->out_scb = scb; |
31143d5d DH |
1392 | |
1393 | /* marshall the parameters */ | |
1394 | bp = call->request; | |
1395 | *bp++ = htonl(FSSTOREDATA); | |
1396 | *bp++ = htonl(vnode->fid.vid); | |
1397 | *bp++ = htonl(vnode->fid.vnode); | |
1398 | *bp++ = htonl(vnode->fid.unique); | |
1399 | ||
1400 | xdr_encode_AFS_StoreStatus(&bp, attr); | |
1401 | ||
8c7ae38d | 1402 | *bp++ = htonl(attr->ia_size); /* position of start of write */ |
31143d5d DH |
1403 | *bp++ = 0; /* size of write */ |
1404 | *bp++ = htonl(attr->ia_size); /* new file length */ | |
1405 | ||
d2ddc776 | 1406 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1407 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1408 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1409 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1410 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
31143d5d DH |
1411 | } |
1412 | ||
1413 | /* | |
1414 | * set the attributes on a file, using FS.StoreData if there's a change in file | |
1415 | * size, and FS.StoreStatus otherwise | |
1416 | */ | |
a58823ac DH |
1417 | int afs_fs_setattr(struct afs_fs_cursor *fc, struct iattr *attr, |
1418 | struct afs_status_cb *scb) | |
31143d5d | 1419 | { |
d2ddc776 | 1420 | struct afs_vnode *vnode = fc->vnode; |
31143d5d | 1421 | struct afs_call *call; |
f044c884 | 1422 | struct afs_net *net = afs_v2net(vnode); |
31143d5d DH |
1423 | __be32 *bp; |
1424 | ||
30062bd1 | 1425 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 1426 | return yfs_fs_setattr(fc, attr, scb); |
30062bd1 | 1427 | |
31143d5d | 1428 | if (attr->ia_valid & ATTR_SIZE) |
a58823ac | 1429 | return afs_fs_setattr_size(fc, attr, scb); |
31143d5d | 1430 | |
3b6492df | 1431 | _enter(",%x,{%llx:%llu},,", |
d2ddc776 | 1432 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); |
31143d5d | 1433 | |
f044c884 | 1434 | call = afs_alloc_flat_call(net, &afs_RXFSStoreStatus, |
31143d5d DH |
1435 | (4 + 6) * 4, |
1436 | (21 + 6) * 4); | |
1437 | if (!call) | |
1438 | return -ENOMEM; | |
1439 | ||
d2ddc776 | 1440 | call->key = fc->key; |
a58823ac | 1441 | call->out_scb = scb; |
31143d5d DH |
1442 | |
1443 | /* marshall the parameters */ | |
1444 | bp = call->request; | |
1445 | *bp++ = htonl(FSSTORESTATUS); | |
1446 | *bp++ = htonl(vnode->fid.vid); | |
1447 | *bp++ = htonl(vnode->fid.vnode); | |
1448 | *bp++ = htonl(vnode->fid.unique); | |
1449 | ||
1450 | xdr_encode_AFS_StoreStatus(&bp, attr); | |
1451 | ||
d2ddc776 | 1452 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1453 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1454 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1455 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1456 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
31143d5d | 1457 | } |
45222b9e DH |
1458 | |
1459 | /* | |
1460 | * deliver reply data to an FS.GetVolumeStatus | |
1461 | */ | |
d001648e | 1462 | static int afs_deliver_fs_get_volume_status(struct afs_call *call) |
45222b9e DH |
1463 | { |
1464 | const __be32 *bp; | |
1465 | char *p; | |
12bdcf33 | 1466 | u32 size; |
45222b9e DH |
1467 | int ret; |
1468 | ||
d001648e | 1469 | _enter("{%u}", call->unmarshall); |
45222b9e DH |
1470 | |
1471 | switch (call->unmarshall) { | |
1472 | case 0: | |
45222b9e | 1473 | call->unmarshall++; |
12bdcf33 | 1474 | afs_extract_to_buf(call, 12 * 4); |
29881608 | 1475 | /* Fall through */ |
45222b9e | 1476 | |
29881608 | 1477 | /* extract the returned status record */ |
45222b9e DH |
1478 | case 1: |
1479 | _debug("extract status"); | |
12bdcf33 | 1480 | ret = afs_extract_data(call, true); |
372ee163 DH |
1481 | if (ret < 0) |
1482 | return ret; | |
45222b9e DH |
1483 | |
1484 | bp = call->buffer; | |
ffba718e | 1485 | xdr_decode_AFSFetchVolumeStatus(&bp, call->out_volstatus); |
45222b9e | 1486 | call->unmarshall++; |
12bdcf33 | 1487 | afs_extract_to_tmp(call); |
29881608 | 1488 | /* Fall through */ |
45222b9e | 1489 | |
29881608 | 1490 | /* extract the volume name length */ |
45222b9e | 1491 | case 2: |
12bdcf33 | 1492 | ret = afs_extract_data(call, true); |
372ee163 DH |
1493 | if (ret < 0) |
1494 | return ret; | |
45222b9e DH |
1495 | |
1496 | call->count = ntohl(call->tmp); | |
1497 | _debug("volname length: %u", call->count); | |
1498 | if (call->count >= AFSNAMEMAX) | |
160cb957 DH |
1499 | return afs_protocol_error(call, -EBADMSG, |
1500 | afs_eproto_volname_len); | |
12bdcf33 | 1501 | size = (call->count + 3) & ~3; /* It's padded */ |
ffba718e | 1502 | afs_extract_to_buf(call, size); |
45222b9e | 1503 | call->unmarshall++; |
29881608 | 1504 | /* Fall through */ |
45222b9e | 1505 | |
29881608 | 1506 | /* extract the volume name */ |
45222b9e DH |
1507 | case 3: |
1508 | _debug("extract volname"); | |
12bdcf33 DH |
1509 | ret = afs_extract_data(call, true); |
1510 | if (ret < 0) | |
1511 | return ret; | |
45222b9e | 1512 | |
ffba718e | 1513 | p = call->buffer; |
45222b9e DH |
1514 | p[call->count] = 0; |
1515 | _debug("volname '%s'", p); | |
12bdcf33 | 1516 | afs_extract_to_tmp(call); |
45222b9e | 1517 | call->unmarshall++; |
29881608 | 1518 | /* Fall through */ |
45222b9e | 1519 | |
29881608 | 1520 | /* extract the offline message length */ |
12bdcf33 DH |
1521 | case 4: |
1522 | ret = afs_extract_data(call, true); | |
372ee163 DH |
1523 | if (ret < 0) |
1524 | return ret; | |
45222b9e DH |
1525 | |
1526 | call->count = ntohl(call->tmp); | |
1527 | _debug("offline msg length: %u", call->count); | |
1528 | if (call->count >= AFSNAMEMAX) | |
160cb957 DH |
1529 | return afs_protocol_error(call, -EBADMSG, |
1530 | afs_eproto_offline_msg_len); | |
12bdcf33 | 1531 | size = (call->count + 3) & ~3; /* It's padded */ |
ffba718e | 1532 | afs_extract_to_buf(call, size); |
45222b9e | 1533 | call->unmarshall++; |
29881608 | 1534 | /* Fall through */ |
45222b9e | 1535 | |
29881608 | 1536 | /* extract the offline message */ |
12bdcf33 | 1537 | case 5: |
45222b9e | 1538 | _debug("extract offline"); |
12bdcf33 DH |
1539 | ret = afs_extract_data(call, true); |
1540 | if (ret < 0) | |
1541 | return ret; | |
45222b9e | 1542 | |
ffba718e | 1543 | p = call->buffer; |
45222b9e DH |
1544 | p[call->count] = 0; |
1545 | _debug("offline '%s'", p); | |
1546 | ||
12bdcf33 | 1547 | afs_extract_to_tmp(call); |
45222b9e | 1548 | call->unmarshall++; |
29881608 | 1549 | /* Fall through */ |
45222b9e | 1550 | |
29881608 | 1551 | /* extract the message of the day length */ |
12bdcf33 DH |
1552 | case 6: |
1553 | ret = afs_extract_data(call, true); | |
372ee163 DH |
1554 | if (ret < 0) |
1555 | return ret; | |
45222b9e DH |
1556 | |
1557 | call->count = ntohl(call->tmp); | |
1558 | _debug("motd length: %u", call->count); | |
1559 | if (call->count >= AFSNAMEMAX) | |
160cb957 DH |
1560 | return afs_protocol_error(call, -EBADMSG, |
1561 | afs_eproto_motd_len); | |
12bdcf33 | 1562 | size = (call->count + 3) & ~3; /* It's padded */ |
ffba718e | 1563 | afs_extract_to_buf(call, size); |
45222b9e | 1564 | call->unmarshall++; |
29881608 | 1565 | /* Fall through */ |
45222b9e | 1566 | |
29881608 | 1567 | /* extract the message of the day */ |
12bdcf33 | 1568 | case 7: |
45222b9e | 1569 | _debug("extract motd"); |
12bdcf33 DH |
1570 | ret = afs_extract_data(call, false); |
1571 | if (ret < 0) | |
1572 | return ret; | |
45222b9e | 1573 | |
ffba718e | 1574 | p = call->buffer; |
45222b9e DH |
1575 | p[call->count] = 0; |
1576 | _debug("motd '%s'", p); | |
1577 | ||
45222b9e DH |
1578 | call->unmarshall++; |
1579 | ||
12bdcf33 | 1580 | case 8: |
45222b9e DH |
1581 | break; |
1582 | } | |
1583 | ||
45222b9e DH |
1584 | _leave(" = 0 [done]"); |
1585 | return 0; | |
1586 | } | |
1587 | ||
45222b9e DH |
1588 | /* |
1589 | * FS.GetVolumeStatus operation type | |
1590 | */ | |
1591 | static const struct afs_call_type afs_RXFSGetVolumeStatus = { | |
1592 | .name = "FS.GetVolumeStatus", | |
025db80c | 1593 | .op = afs_FS_GetVolumeStatus, |
45222b9e | 1594 | .deliver = afs_deliver_fs_get_volume_status, |
ffba718e | 1595 | .destructor = afs_flat_call_destructor, |
45222b9e DH |
1596 | }; |
1597 | ||
1598 | /* | |
1599 | * fetch the status of a volume | |
1600 | */ | |
8b2a464c | 1601 | int afs_fs_get_volume_status(struct afs_fs_cursor *fc, |
d2ddc776 | 1602 | struct afs_volume_status *vs) |
45222b9e | 1603 | { |
d2ddc776 | 1604 | struct afs_vnode *vnode = fc->vnode; |
45222b9e | 1605 | struct afs_call *call; |
f044c884 | 1606 | struct afs_net *net = afs_v2net(vnode); |
45222b9e | 1607 | __be32 *bp; |
45222b9e | 1608 | |
30062bd1 DH |
1609 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
1610 | return yfs_fs_get_volume_status(fc, vs); | |
1611 | ||
45222b9e DH |
1612 | _enter(""); |
1613 | ||
ffba718e DH |
1614 | call = afs_alloc_flat_call(net, &afs_RXFSGetVolumeStatus, 2 * 4, |
1615 | max(12 * 4, AFSOPAQUEMAX + 1)); | |
1616 | if (!call) | |
45222b9e | 1617 | return -ENOMEM; |
45222b9e | 1618 | |
d2ddc776 | 1619 | call->key = fc->key; |
ffba718e | 1620 | call->out_volstatus = vs; |
45222b9e DH |
1621 | |
1622 | /* marshall the parameters */ | |
1623 | bp = call->request; | |
1624 | bp[0] = htonl(FSGETVOLUMESTATUS); | |
1625 | bp[1] = htonl(vnode->fid.vid); | |
1626 | ||
d2ddc776 | 1627 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1628 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1629 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1630 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1631 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
45222b9e | 1632 | } |
e8d6c554 DH |
1633 | |
1634 | /* | |
1635 | * deliver reply data to an FS.SetLock, FS.ExtendLock or FS.ReleaseLock | |
1636 | */ | |
d001648e | 1637 | static int afs_deliver_fs_xxxx_lock(struct afs_call *call) |
e8d6c554 DH |
1638 | { |
1639 | const __be32 *bp; | |
372ee163 | 1640 | int ret; |
e8d6c554 | 1641 | |
d001648e | 1642 | _enter("{%u}", call->unmarshall); |
e8d6c554 | 1643 | |
d001648e | 1644 | ret = afs_transfer_reply(call); |
372ee163 DH |
1645 | if (ret < 0) |
1646 | return ret; | |
e8d6c554 DH |
1647 | |
1648 | /* unmarshall the reply once we've received all of it */ | |
1649 | bp = call->buffer; | |
ffba718e | 1650 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
e8d6c554 DH |
1651 | |
1652 | _leave(" = 0 [done]"); | |
1653 | return 0; | |
1654 | } | |
1655 | ||
1656 | /* | |
1657 | * FS.SetLock operation type | |
1658 | */ | |
1659 | static const struct afs_call_type afs_RXFSSetLock = { | |
1660 | .name = "FS.SetLock", | |
025db80c | 1661 | .op = afs_FS_SetLock, |
e8d6c554 | 1662 | .deliver = afs_deliver_fs_xxxx_lock, |
a690f60a | 1663 | .done = afs_lock_op_done, |
e8d6c554 DH |
1664 | .destructor = afs_flat_call_destructor, |
1665 | }; | |
1666 | ||
1667 | /* | |
1668 | * FS.ExtendLock operation type | |
1669 | */ | |
1670 | static const struct afs_call_type afs_RXFSExtendLock = { | |
1671 | .name = "FS.ExtendLock", | |
025db80c | 1672 | .op = afs_FS_ExtendLock, |
e8d6c554 | 1673 | .deliver = afs_deliver_fs_xxxx_lock, |
a690f60a | 1674 | .done = afs_lock_op_done, |
e8d6c554 DH |
1675 | .destructor = afs_flat_call_destructor, |
1676 | }; | |
1677 | ||
1678 | /* | |
1679 | * FS.ReleaseLock operation type | |
1680 | */ | |
1681 | static const struct afs_call_type afs_RXFSReleaseLock = { | |
1682 | .name = "FS.ReleaseLock", | |
025db80c | 1683 | .op = afs_FS_ReleaseLock, |
e8d6c554 | 1684 | .deliver = afs_deliver_fs_xxxx_lock, |
e8d6c554 DH |
1685 | .destructor = afs_flat_call_destructor, |
1686 | }; | |
1687 | ||
1688 | /* | |
d2ddc776 | 1689 | * Set a lock on a file |
e8d6c554 | 1690 | */ |
a58823ac DH |
1691 | int afs_fs_set_lock(struct afs_fs_cursor *fc, afs_lock_type_t type, |
1692 | struct afs_status_cb *scb) | |
e8d6c554 | 1693 | { |
d2ddc776 | 1694 | struct afs_vnode *vnode = fc->vnode; |
e8d6c554 | 1695 | struct afs_call *call; |
f044c884 | 1696 | struct afs_net *net = afs_v2net(vnode); |
e8d6c554 DH |
1697 | __be32 *bp; |
1698 | ||
30062bd1 | 1699 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 1700 | return yfs_fs_set_lock(fc, type, scb); |
30062bd1 | 1701 | |
e8d6c554 DH |
1702 | _enter(""); |
1703 | ||
f044c884 | 1704 | call = afs_alloc_flat_call(net, &afs_RXFSSetLock, 5 * 4, 6 * 4); |
e8d6c554 DH |
1705 | if (!call) |
1706 | return -ENOMEM; | |
1707 | ||
d2ddc776 | 1708 | call->key = fc->key; |
a58823ac DH |
1709 | call->lvnode = vnode; |
1710 | call->out_scb = scb; | |
e8d6c554 DH |
1711 | |
1712 | /* marshall the parameters */ | |
1713 | bp = call->request; | |
1714 | *bp++ = htonl(FSSETLOCK); | |
1715 | *bp++ = htonl(vnode->fid.vid); | |
1716 | *bp++ = htonl(vnode->fid.vnode); | |
1717 | *bp++ = htonl(vnode->fid.unique); | |
1718 | *bp++ = htonl(type); | |
1719 | ||
d2ddc776 | 1720 | afs_use_fs_server(call, fc->cbi); |
6c6c1d63 | 1721 | trace_afs_make_fs_calli(call, &vnode->fid, type); |
20b8391f | 1722 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1723 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1724 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
e8d6c554 DH |
1725 | } |
1726 | ||
1727 | /* | |
1728 | * extend a lock on a file | |
1729 | */ | |
a58823ac | 1730 | int afs_fs_extend_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb) |
e8d6c554 | 1731 | { |
d2ddc776 | 1732 | struct afs_vnode *vnode = fc->vnode; |
e8d6c554 | 1733 | struct afs_call *call; |
f044c884 | 1734 | struct afs_net *net = afs_v2net(vnode); |
e8d6c554 DH |
1735 | __be32 *bp; |
1736 | ||
30062bd1 | 1737 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 1738 | return yfs_fs_extend_lock(fc, scb); |
30062bd1 | 1739 | |
e8d6c554 DH |
1740 | _enter(""); |
1741 | ||
f044c884 | 1742 | call = afs_alloc_flat_call(net, &afs_RXFSExtendLock, 4 * 4, 6 * 4); |
e8d6c554 DH |
1743 | if (!call) |
1744 | return -ENOMEM; | |
1745 | ||
d2ddc776 | 1746 | call->key = fc->key; |
a58823ac DH |
1747 | call->lvnode = vnode; |
1748 | call->out_scb = scb; | |
e8d6c554 DH |
1749 | |
1750 | /* marshall the parameters */ | |
1751 | bp = call->request; | |
1752 | *bp++ = htonl(FSEXTENDLOCK); | |
1753 | *bp++ = htonl(vnode->fid.vid); | |
1754 | *bp++ = htonl(vnode->fid.vnode); | |
1755 | *bp++ = htonl(vnode->fid.unique); | |
1756 | ||
d2ddc776 | 1757 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1758 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1759 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1760 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1761 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
e8d6c554 DH |
1762 | } |
1763 | ||
1764 | /* | |
1765 | * release a lock on a file | |
1766 | */ | |
a58823ac | 1767 | int afs_fs_release_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb) |
e8d6c554 | 1768 | { |
d2ddc776 | 1769 | struct afs_vnode *vnode = fc->vnode; |
e8d6c554 | 1770 | struct afs_call *call; |
f044c884 | 1771 | struct afs_net *net = afs_v2net(vnode); |
e8d6c554 DH |
1772 | __be32 *bp; |
1773 | ||
30062bd1 | 1774 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 1775 | return yfs_fs_release_lock(fc, scb); |
30062bd1 | 1776 | |
e8d6c554 DH |
1777 | _enter(""); |
1778 | ||
f044c884 | 1779 | call = afs_alloc_flat_call(net, &afs_RXFSReleaseLock, 4 * 4, 6 * 4); |
e8d6c554 DH |
1780 | if (!call) |
1781 | return -ENOMEM; | |
1782 | ||
d2ddc776 | 1783 | call->key = fc->key; |
a58823ac DH |
1784 | call->lvnode = vnode; |
1785 | call->out_scb = scb; | |
e8d6c554 DH |
1786 | |
1787 | /* marshall the parameters */ | |
1788 | bp = call->request; | |
1789 | *bp++ = htonl(FSRELEASELOCK); | |
1790 | *bp++ = htonl(vnode->fid.vid); | |
1791 | *bp++ = htonl(vnode->fid.vnode); | |
1792 | *bp++ = htonl(vnode->fid.unique); | |
1793 | ||
d2ddc776 | 1794 | afs_use_fs_server(call, fc->cbi); |
025db80c | 1795 | trace_afs_make_fs_call(call, &vnode->fid); |
20b8391f | 1796 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
1797 | afs_make_call(&fc->ac, call, GFP_NOFS); |
1798 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
c435ee34 DH |
1799 | } |
1800 | ||
1801 | /* | |
1802 | * Deliver reply data to an FS.GiveUpAllCallBacks operation. | |
1803 | */ | |
1804 | static int afs_deliver_fs_give_up_all_callbacks(struct afs_call *call) | |
1805 | { | |
1806 | return afs_transfer_reply(call); | |
1807 | } | |
1808 | ||
1809 | /* | |
1810 | * FS.GiveUpAllCallBacks operation type | |
1811 | */ | |
1812 | static const struct afs_call_type afs_RXFSGiveUpAllCallBacks = { | |
1813 | .name = "FS.GiveUpAllCallBacks", | |
025db80c | 1814 | .op = afs_FS_GiveUpAllCallBacks, |
c435ee34 DH |
1815 | .deliver = afs_deliver_fs_give_up_all_callbacks, |
1816 | .destructor = afs_flat_call_destructor, | |
1817 | }; | |
1818 | ||
1819 | /* | |
1820 | * Flush all the callbacks we have on a server. | |
1821 | */ | |
d2ddc776 DH |
1822 | int afs_fs_give_up_all_callbacks(struct afs_net *net, |
1823 | struct afs_server *server, | |
8b2a464c | 1824 | struct afs_addr_cursor *ac, |
d2ddc776 | 1825 | struct key *key) |
c435ee34 DH |
1826 | { |
1827 | struct afs_call *call; | |
1828 | __be32 *bp; | |
1829 | ||
1830 | _enter(""); | |
1831 | ||
d2ddc776 | 1832 | call = afs_alloc_flat_call(net, &afs_RXFSGiveUpAllCallBacks, 1 * 4, 0); |
c435ee34 DH |
1833 | if (!call) |
1834 | return -ENOMEM; | |
1835 | ||
1836 | call->key = key; | |
1837 | ||
1838 | /* marshall the parameters */ | |
1839 | bp = call->request; | |
1840 | *bp++ = htonl(FSGIVEUPALLCALLBACKS); | |
1841 | ||
1842 | /* Can't take a ref on server */ | |
0b9bf381 DH |
1843 | afs_make_call(ac, call, GFP_NOFS); |
1844 | return afs_wait_for_call_to_complete(call, ac); | |
d2ddc776 DH |
1845 | } |
1846 | ||
1847 | /* | |
1848 | * Deliver reply data to an FS.GetCapabilities operation. | |
1849 | */ | |
1850 | static int afs_deliver_fs_get_capabilities(struct afs_call *call) | |
1851 | { | |
1852 | u32 count; | |
1853 | int ret; | |
1854 | ||
12bdcf33 | 1855 | _enter("{%u,%zu}", call->unmarshall, iov_iter_count(&call->iter)); |
d2ddc776 | 1856 | |
d2ddc776 DH |
1857 | switch (call->unmarshall) { |
1858 | case 0: | |
12bdcf33 | 1859 | afs_extract_to_tmp(call); |
d2ddc776 | 1860 | call->unmarshall++; |
29881608 | 1861 | /* Fall through */ |
d2ddc776 | 1862 | |
29881608 | 1863 | /* Extract the capabilities word count */ |
d2ddc776 | 1864 | case 1: |
12bdcf33 | 1865 | ret = afs_extract_data(call, true); |
d2ddc776 DH |
1866 | if (ret < 0) |
1867 | return ret; | |
1868 | ||
1869 | count = ntohl(call->tmp); | |
1870 | ||
1871 | call->count = count; | |
1872 | call->count2 = count; | |
23a28913 | 1873 | afs_extract_discard(call, count * sizeof(__be32)); |
d2ddc776 | 1874 | call->unmarshall++; |
29881608 | 1875 | /* Fall through */ |
d2ddc776 | 1876 | |
29881608 | 1877 | /* Extract capabilities words */ |
d2ddc776 | 1878 | case 2: |
12bdcf33 | 1879 | ret = afs_extract_data(call, false); |
d2ddc776 DH |
1880 | if (ret < 0) |
1881 | return ret; | |
1882 | ||
1883 | /* TODO: Examine capabilities */ | |
1884 | ||
d2ddc776 DH |
1885 | call->unmarshall++; |
1886 | break; | |
1887 | } | |
1888 | ||
1889 | _leave(" = 0 [done]"); | |
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | /* | |
1894 | * FS.GetCapabilities operation type | |
1895 | */ | |
1896 | static const struct afs_call_type afs_RXFSGetCapabilities = { | |
1897 | .name = "FS.GetCapabilities", | |
025db80c | 1898 | .op = afs_FS_GetCapabilities, |
d2ddc776 | 1899 | .deliver = afs_deliver_fs_get_capabilities, |
3bf0fb6f | 1900 | .done = afs_fileserver_probe_result, |
ffba718e | 1901 | .destructor = afs_flat_call_destructor, |
d2ddc776 DH |
1902 | }; |
1903 | ||
1904 | /* | |
1905 | * Probe a fileserver for the capabilities that it supports. This can | |
1906 | * return up to 196 words. | |
1907 | */ | |
0b9bf381 DH |
1908 | struct afs_call *afs_fs_get_capabilities(struct afs_net *net, |
1909 | struct afs_server *server, | |
1910 | struct afs_addr_cursor *ac, | |
1911 | struct key *key, | |
1912 | unsigned int server_index) | |
d2ddc776 DH |
1913 | { |
1914 | struct afs_call *call; | |
1915 | __be32 *bp; | |
1916 | ||
1917 | _enter(""); | |
1918 | ||
1919 | call = afs_alloc_flat_call(net, &afs_RXFSGetCapabilities, 1 * 4, 16 * 4); | |
1920 | if (!call) | |
0b9bf381 | 1921 | return ERR_PTR(-ENOMEM); |
d2ddc776 DH |
1922 | |
1923 | call->key = key; | |
45218193 | 1924 | call->server = afs_get_server(server, afs_server_trace_get_caps); |
ffba718e | 1925 | call->server_index = server_index; |
30062bd1 | 1926 | call->upgrade = true; |
0b9bf381 | 1927 | call->async = true; |
94f699c9 | 1928 | call->max_lifespan = AFS_PROBE_MAX_LIFESPAN; |
d2ddc776 DH |
1929 | |
1930 | /* marshall the parameters */ | |
1931 | bp = call->request; | |
1932 | *bp++ = htonl(FSGETCAPABILITIES); | |
1933 | ||
1934 | /* Can't take a ref on server */ | |
025db80c | 1935 | trace_afs_make_fs_call(call, NULL); |
0b9bf381 DH |
1936 | afs_make_call(ac, call, GFP_NOFS); |
1937 | return call; | |
e8d6c554 | 1938 | } |
5cf9dd55 DH |
1939 | |
1940 | /* | |
1941 | * Deliver reply data to an FS.FetchStatus with no vnode. | |
1942 | */ | |
1943 | static int afs_deliver_fs_fetch_status(struct afs_call *call) | |
1944 | { | |
5cf9dd55 DH |
1945 | const __be32 *bp; |
1946 | int ret; | |
1947 | ||
1948 | ret = afs_transfer_reply(call); | |
1949 | if (ret < 0) | |
1950 | return ret; | |
1951 | ||
5cf9dd55 DH |
1952 | /* unmarshall the reply once we've received all of it */ |
1953 | bp = call->buffer; | |
a58823ac | 1954 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
160cb957 DH |
1955 | if (ret < 0) |
1956 | return ret; | |
a58823ac DH |
1957 | xdr_decode_AFSCallBack(&bp, call, call->out_scb); |
1958 | xdr_decode_AFSVolSync(&bp, call->out_volsync); | |
5cf9dd55 DH |
1959 | |
1960 | _leave(" = 0 [done]"); | |
1961 | return 0; | |
1962 | } | |
1963 | ||
1964 | /* | |
1965 | * FS.FetchStatus operation type | |
1966 | */ | |
1967 | static const struct afs_call_type afs_RXFSFetchStatus = { | |
1968 | .name = "FS.FetchStatus", | |
1969 | .op = afs_FS_FetchStatus, | |
1970 | .deliver = afs_deliver_fs_fetch_status, | |
1971 | .destructor = afs_flat_call_destructor, | |
1972 | }; | |
1973 | ||
1974 | /* | |
1975 | * Fetch the status information for a fid without needing a vnode handle. | |
1976 | */ | |
1977 | int afs_fs_fetch_status(struct afs_fs_cursor *fc, | |
1978 | struct afs_net *net, | |
1979 | struct afs_fid *fid, | |
a58823ac | 1980 | struct afs_status_cb *scb, |
5cf9dd55 DH |
1981 | struct afs_volsync *volsync) |
1982 | { | |
1983 | struct afs_call *call; | |
1984 | __be32 *bp; | |
1985 | ||
30062bd1 | 1986 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
a58823ac | 1987 | return yfs_fs_fetch_status(fc, net, fid, scb, volsync); |
30062bd1 | 1988 | |
3b6492df | 1989 | _enter(",%x,{%llx:%llu},,", |
5cf9dd55 DH |
1990 | key_serial(fc->key), fid->vid, fid->vnode); |
1991 | ||
1992 | call = afs_alloc_flat_call(net, &afs_RXFSFetchStatus, 16, (21 + 3 + 6) * 4); | |
1993 | if (!call) { | |
1994 | fc->ac.error = -ENOMEM; | |
1995 | return -ENOMEM; | |
1996 | } | |
1997 | ||
1998 | call->key = fc->key; | |
ffba718e | 1999 | call->out_fid = fid; |
a58823ac | 2000 | call->out_scb = scb; |
ffba718e | 2001 | call->out_volsync = volsync; |
5cf9dd55 DH |
2002 | |
2003 | /* marshall the parameters */ | |
2004 | bp = call->request; | |
2005 | bp[0] = htonl(FSFETCHSTATUS); | |
2006 | bp[1] = htonl(fid->vid); | |
2007 | bp[2] = htonl(fid->vnode); | |
2008 | bp[3] = htonl(fid->unique); | |
2009 | ||
5cf9dd55 DH |
2010 | afs_use_fs_server(call, fc->cbi); |
2011 | trace_afs_make_fs_call(call, fid); | |
20b8391f | 2012 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
2013 | afs_make_call(&fc->ac, call, GFP_NOFS); |
2014 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
5cf9dd55 DH |
2015 | } |
2016 | ||
2017 | /* | |
2018 | * Deliver reply data to an FS.InlineBulkStatus call | |
2019 | */ | |
2020 | static int afs_deliver_fs_inline_bulk_status(struct afs_call *call) | |
2021 | { | |
87182759 | 2022 | struct afs_status_cb *scb; |
5cf9dd55 DH |
2023 | const __be32 *bp; |
2024 | u32 tmp; | |
2025 | int ret; | |
2026 | ||
2027 | _enter("{%u}", call->unmarshall); | |
2028 | ||
2029 | switch (call->unmarshall) { | |
2030 | case 0: | |
12bdcf33 | 2031 | afs_extract_to_tmp(call); |
5cf9dd55 | 2032 | call->unmarshall++; |
29881608 | 2033 | /* Fall through */ |
5cf9dd55 DH |
2034 | |
2035 | /* Extract the file status count and array in two steps */ | |
2036 | case 1: | |
2037 | _debug("extract status count"); | |
12bdcf33 | 2038 | ret = afs_extract_data(call, true); |
5cf9dd55 DH |
2039 | if (ret < 0) |
2040 | return ret; | |
2041 | ||
2042 | tmp = ntohl(call->tmp); | |
2043 | _debug("status count: %u/%u", tmp, call->count2); | |
2044 | if (tmp != call->count2) | |
160cb957 DH |
2045 | return afs_protocol_error(call, -EBADMSG, |
2046 | afs_eproto_ibulkst_count); | |
5cf9dd55 DH |
2047 | |
2048 | call->count = 0; | |
2049 | call->unmarshall++; | |
2050 | more_counts: | |
12bdcf33 | 2051 | afs_extract_to_buf(call, 21 * sizeof(__be32)); |
e690c9e3 | 2052 | /* Fall through */ |
29881608 | 2053 | |
5cf9dd55 DH |
2054 | case 2: |
2055 | _debug("extract status array %u", call->count); | |
12bdcf33 | 2056 | ret = afs_extract_data(call, true); |
5cf9dd55 DH |
2057 | if (ret < 0) |
2058 | return ret; | |
2059 | ||
2060 | bp = call->buffer; | |
87182759 | 2061 | scb = &call->out_scb[call->count]; |
a58823ac | 2062 | ret = xdr_decode_AFSFetchStatus(&bp, call, scb); |
160cb957 DH |
2063 | if (ret < 0) |
2064 | return ret; | |
5cf9dd55 DH |
2065 | |
2066 | call->count++; | |
2067 | if (call->count < call->count2) | |
2068 | goto more_counts; | |
2069 | ||
2070 | call->count = 0; | |
2071 | call->unmarshall++; | |
12bdcf33 | 2072 | afs_extract_to_tmp(call); |
29881608 | 2073 | /* Fall through */ |
5cf9dd55 DH |
2074 | |
2075 | /* Extract the callback count and array in two steps */ | |
2076 | case 3: | |
2077 | _debug("extract CB count"); | |
12bdcf33 | 2078 | ret = afs_extract_data(call, true); |
5cf9dd55 DH |
2079 | if (ret < 0) |
2080 | return ret; | |
2081 | ||
2082 | tmp = ntohl(call->tmp); | |
2083 | _debug("CB count: %u", tmp); | |
2084 | if (tmp != call->count2) | |
160cb957 DH |
2085 | return afs_protocol_error(call, -EBADMSG, |
2086 | afs_eproto_ibulkst_cb_count); | |
5cf9dd55 DH |
2087 | call->count = 0; |
2088 | call->unmarshall++; | |
2089 | more_cbs: | |
12bdcf33 | 2090 | afs_extract_to_buf(call, 3 * sizeof(__be32)); |
e690c9e3 | 2091 | /* Fall through */ |
29881608 | 2092 | |
5cf9dd55 DH |
2093 | case 4: |
2094 | _debug("extract CB array"); | |
12bdcf33 | 2095 | ret = afs_extract_data(call, true); |
5cf9dd55 DH |
2096 | if (ret < 0) |
2097 | return ret; | |
2098 | ||
2099 | _debug("unmarshall CB array"); | |
2100 | bp = call->buffer; | |
87182759 | 2101 | scb = &call->out_scb[call->count]; |
a58823ac | 2102 | xdr_decode_AFSCallBack(&bp, call, scb); |
5cf9dd55 DH |
2103 | call->count++; |
2104 | if (call->count < call->count2) | |
2105 | goto more_cbs; | |
2106 | ||
12bdcf33 | 2107 | afs_extract_to_buf(call, 6 * sizeof(__be32)); |
5cf9dd55 | 2108 | call->unmarshall++; |
e690c9e3 | 2109 | /* Fall through */ |
29881608 | 2110 | |
5cf9dd55 | 2111 | case 5: |
12bdcf33 | 2112 | ret = afs_extract_data(call, false); |
5cf9dd55 DH |
2113 | if (ret < 0) |
2114 | return ret; | |
2115 | ||
2116 | bp = call->buffer; | |
ffba718e | 2117 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
5cf9dd55 | 2118 | |
5cf9dd55 DH |
2119 | call->unmarshall++; |
2120 | ||
2121 | case 6: | |
2122 | break; | |
2123 | } | |
2124 | ||
2125 | _leave(" = 0 [done]"); | |
2126 | return 0; | |
2127 | } | |
2128 | ||
2129 | /* | |
2130 | * FS.InlineBulkStatus operation type | |
2131 | */ | |
2132 | static const struct afs_call_type afs_RXFSInlineBulkStatus = { | |
2133 | .name = "FS.InlineBulkStatus", | |
2134 | .op = afs_FS_InlineBulkStatus, | |
2135 | .deliver = afs_deliver_fs_inline_bulk_status, | |
2136 | .destructor = afs_flat_call_destructor, | |
2137 | }; | |
2138 | ||
2139 | /* | |
2140 | * Fetch the status information for up to 50 files | |
2141 | */ | |
2142 | int afs_fs_inline_bulk_status(struct afs_fs_cursor *fc, | |
2143 | struct afs_net *net, | |
2144 | struct afs_fid *fids, | |
87182759 | 2145 | struct afs_status_cb *statuses, |
5cf9dd55 DH |
2146 | unsigned int nr_fids, |
2147 | struct afs_volsync *volsync) | |
2148 | { | |
2149 | struct afs_call *call; | |
2150 | __be32 *bp; | |
2151 | int i; | |
2152 | ||
30062bd1 | 2153 | if (test_bit(AFS_SERVER_FL_IS_YFS, &fc->cbi->server->flags)) |
87182759 | 2154 | return yfs_fs_inline_bulk_status(fc, net, fids, statuses, |
30062bd1 DH |
2155 | nr_fids, volsync); |
2156 | ||
3b6492df | 2157 | _enter(",%x,{%llx:%llu},%u", |
5cf9dd55 DH |
2158 | key_serial(fc->key), fids[0].vid, fids[1].vnode, nr_fids); |
2159 | ||
2160 | call = afs_alloc_flat_call(net, &afs_RXFSInlineBulkStatus, | |
2161 | (2 + nr_fids * 3) * 4, | |
2162 | 21 * 4); | |
2163 | if (!call) { | |
2164 | fc->ac.error = -ENOMEM; | |
2165 | return -ENOMEM; | |
2166 | } | |
2167 | ||
2168 | call->key = fc->key; | |
87182759 | 2169 | call->out_scb = statuses; |
ffba718e | 2170 | call->out_volsync = volsync; |
5cf9dd55 DH |
2171 | call->count2 = nr_fids; |
2172 | ||
2173 | /* marshall the parameters */ | |
2174 | bp = call->request; | |
2175 | *bp++ = htonl(FSINLINEBULKSTATUS); | |
2176 | *bp++ = htonl(nr_fids); | |
2177 | for (i = 0; i < nr_fids; i++) { | |
2178 | *bp++ = htonl(fids[i].vid); | |
2179 | *bp++ = htonl(fids[i].vnode); | |
2180 | *bp++ = htonl(fids[i].unique); | |
2181 | } | |
2182 | ||
5cf9dd55 DH |
2183 | afs_use_fs_server(call, fc->cbi); |
2184 | trace_afs_make_fs_call(call, &fids[0]); | |
20b8391f | 2185 | afs_set_fc_call(call, fc); |
0b9bf381 DH |
2186 | afs_make_call(&fc->ac, call, GFP_NOFS); |
2187 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
5cf9dd55 | 2188 | } |
260f082b DH |
2189 | |
2190 | /* | |
2191 | * deliver reply data to an FS.FetchACL | |
2192 | */ | |
2193 | static int afs_deliver_fs_fetch_acl(struct afs_call *call) | |
2194 | { | |
260f082b DH |
2195 | struct afs_acl *acl; |
2196 | const __be32 *bp; | |
2197 | unsigned int size; | |
2198 | int ret; | |
2199 | ||
2200 | _enter("{%u}", call->unmarshall); | |
2201 | ||
2202 | switch (call->unmarshall) { | |
2203 | case 0: | |
2204 | afs_extract_to_tmp(call); | |
2205 | call->unmarshall++; | |
29881608 | 2206 | /* Fall through */ |
260f082b DH |
2207 | |
2208 | /* extract the returned data length */ | |
2209 | case 1: | |
2210 | ret = afs_extract_data(call, true); | |
2211 | if (ret < 0) | |
2212 | return ret; | |
2213 | ||
2214 | size = call->count2 = ntohl(call->tmp); | |
2215 | size = round_up(size, 4); | |
2216 | ||
2217 | acl = kmalloc(struct_size(acl, data, size), GFP_KERNEL); | |
2218 | if (!acl) | |
2219 | return -ENOMEM; | |
ffba718e | 2220 | call->ret_acl = acl; |
260f082b DH |
2221 | acl->size = call->count2; |
2222 | afs_extract_begin(call, acl->data, size); | |
2223 | call->unmarshall++; | |
29881608 | 2224 | /* Fall through */ |
260f082b DH |
2225 | |
2226 | /* extract the returned data */ | |
2227 | case 2: | |
2228 | ret = afs_extract_data(call, true); | |
2229 | if (ret < 0) | |
2230 | return ret; | |
2231 | ||
2232 | afs_extract_to_buf(call, (21 + 6) * 4); | |
2233 | call->unmarshall++; | |
29881608 | 2234 | /* Fall through */ |
260f082b DH |
2235 | |
2236 | /* extract the metadata */ | |
2237 | case 3: | |
2238 | ret = afs_extract_data(call, false); | |
2239 | if (ret < 0) | |
2240 | return ret; | |
2241 | ||
2242 | bp = call->buffer; | |
a58823ac | 2243 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
260f082b DH |
2244 | if (ret < 0) |
2245 | return ret; | |
ffba718e | 2246 | xdr_decode_AFSVolSync(&bp, call->out_volsync); |
260f082b DH |
2247 | |
2248 | call->unmarshall++; | |
2249 | ||
2250 | case 4: | |
2251 | break; | |
2252 | } | |
2253 | ||
2254 | _leave(" = 0 [done]"); | |
2255 | return 0; | |
2256 | } | |
2257 | ||
2258 | static void afs_destroy_fs_fetch_acl(struct afs_call *call) | |
2259 | { | |
ffba718e | 2260 | kfree(call->ret_acl); |
260f082b DH |
2261 | afs_flat_call_destructor(call); |
2262 | } | |
2263 | ||
2264 | /* | |
2265 | * FS.FetchACL operation type | |
2266 | */ | |
2267 | static const struct afs_call_type afs_RXFSFetchACL = { | |
2268 | .name = "FS.FetchACL", | |
2269 | .op = afs_FS_FetchACL, | |
2270 | .deliver = afs_deliver_fs_fetch_acl, | |
2271 | .destructor = afs_destroy_fs_fetch_acl, | |
2272 | }; | |
2273 | ||
2274 | /* | |
2275 | * Fetch the ACL for a file. | |
2276 | */ | |
a58823ac DH |
2277 | struct afs_acl *afs_fs_fetch_acl(struct afs_fs_cursor *fc, |
2278 | struct afs_status_cb *scb) | |
260f082b DH |
2279 | { |
2280 | struct afs_vnode *vnode = fc->vnode; | |
2281 | struct afs_call *call; | |
2282 | struct afs_net *net = afs_v2net(vnode); | |
2283 | __be32 *bp; | |
2284 | ||
2285 | _enter(",%x,{%llx:%llu},,", | |
2286 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); | |
2287 | ||
2288 | call = afs_alloc_flat_call(net, &afs_RXFSFetchACL, 16, (21 + 6) * 4); | |
2289 | if (!call) { | |
2290 | fc->ac.error = -ENOMEM; | |
2291 | return ERR_PTR(-ENOMEM); | |
2292 | } | |
2293 | ||
2294 | call->key = fc->key; | |
ffba718e | 2295 | call->ret_acl = NULL; |
a58823ac | 2296 | call->out_scb = scb; |
ffba718e | 2297 | call->out_volsync = NULL; |
260f082b DH |
2298 | |
2299 | /* marshall the parameters */ | |
2300 | bp = call->request; | |
2301 | bp[0] = htonl(FSFETCHACL); | |
2302 | bp[1] = htonl(vnode->fid.vid); | |
2303 | bp[2] = htonl(vnode->fid.vnode); | |
2304 | bp[3] = htonl(vnode->fid.unique); | |
2305 | ||
260f082b DH |
2306 | afs_use_fs_server(call, fc->cbi); |
2307 | trace_afs_make_fs_call(call, &vnode->fid); | |
2308 | afs_make_call(&fc->ac, call, GFP_KERNEL); | |
2309 | return (struct afs_acl *)afs_wait_for_call_to_complete(call, &fc->ac); | |
2310 | } | |
b10494af | 2311 | |
ffba718e DH |
2312 | /* |
2313 | * Deliver reply data to any operation that returns file status and volume | |
2314 | * sync. | |
2315 | */ | |
2316 | static int afs_deliver_fs_file_status_and_vol(struct afs_call *call) | |
2317 | { | |
ffba718e DH |
2318 | const __be32 *bp; |
2319 | int ret; | |
2320 | ||
ffba718e DH |
2321 | ret = afs_transfer_reply(call); |
2322 | if (ret < 0) | |
2323 | return ret; | |
2324 | ||
ffba718e | 2325 | bp = call->buffer; |
a58823ac | 2326 | ret = xdr_decode_AFSFetchStatus(&bp, call, call->out_scb); |
ffba718e DH |
2327 | if (ret < 0) |
2328 | return ret; | |
2329 | xdr_decode_AFSVolSync(&bp, call->out_volsync); | |
2330 | ||
2331 | _leave(" = 0 [done]"); | |
2332 | return 0; | |
2333 | } | |
2334 | ||
b10494af JG |
2335 | /* |
2336 | * FS.StoreACL operation type | |
2337 | */ | |
2338 | static const struct afs_call_type afs_RXFSStoreACL = { | |
2339 | .name = "FS.StoreACL", | |
2340 | .op = afs_FS_StoreACL, | |
ffba718e | 2341 | .deliver = afs_deliver_fs_file_status_and_vol, |
b10494af JG |
2342 | .destructor = afs_flat_call_destructor, |
2343 | }; | |
2344 | ||
2345 | /* | |
2346 | * Fetch the ACL for a file. | |
2347 | */ | |
a58823ac DH |
2348 | int afs_fs_store_acl(struct afs_fs_cursor *fc, const struct afs_acl *acl, |
2349 | struct afs_status_cb *scb) | |
b10494af JG |
2350 | { |
2351 | struct afs_vnode *vnode = fc->vnode; | |
2352 | struct afs_call *call; | |
2353 | struct afs_net *net = afs_v2net(vnode); | |
2354 | size_t size; | |
2355 | __be32 *bp; | |
2356 | ||
2357 | _enter(",%x,{%llx:%llu},,", | |
2358 | key_serial(fc->key), vnode->fid.vid, vnode->fid.vnode); | |
2359 | ||
2360 | size = round_up(acl->size, 4); | |
2361 | call = afs_alloc_flat_call(net, &afs_RXFSStoreACL, | |
2362 | 5 * 4 + size, (21 + 6) * 4); | |
2363 | if (!call) { | |
2364 | fc->ac.error = -ENOMEM; | |
2365 | return -ENOMEM; | |
2366 | } | |
2367 | ||
2368 | call->key = fc->key; | |
a58823ac | 2369 | call->out_scb = scb; |
ffba718e | 2370 | call->out_volsync = NULL; |
b10494af JG |
2371 | |
2372 | /* marshall the parameters */ | |
2373 | bp = call->request; | |
2374 | bp[0] = htonl(FSSTOREACL); | |
2375 | bp[1] = htonl(vnode->fid.vid); | |
2376 | bp[2] = htonl(vnode->fid.vnode); | |
2377 | bp[3] = htonl(vnode->fid.unique); | |
2378 | bp[4] = htonl(acl->size); | |
2379 | memcpy(&bp[5], acl->data, acl->size); | |
2380 | if (acl->size != size) | |
2381 | memset((void *)&bp[5] + acl->size, 0, size - acl->size); | |
2382 | ||
2383 | trace_afs_make_fs_call(call, &vnode->fid); | |
2384 | afs_make_call(&fc->ac, call, GFP_KERNEL); | |
2385 | return afs_wait_for_call_to_complete(call, &fc->ac); | |
5cf9dd55 | 2386 | } |