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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include "include/types.h" | |
5 | ||
6 | #include <errno.h> | |
7 | ||
8 | #include "objclass/objclass.h" | |
9 | #include "cls/rgw/cls_rgw_ops.h" | |
10 | #include "cls/rgw/cls_rgw_types.h" | |
11 | #include "cls/rgw_gc/cls_rgw_gc_types.h" | |
12 | #include "cls/rgw_gc/cls_rgw_gc_ops.h" | |
13 | #include "cls/queue/cls_queue_ops.h" | |
14 | #include "cls/rgw_gc/cls_rgw_gc_const.h" | |
15 | #include "cls/queue/cls_queue_src.h" | |
16 | ||
17 | #include "common/ceph_context.h" | |
18 | #include "global/global_context.h" | |
19 | ||
20 | #define dout_context g_ceph_context | |
21 | #define dout_subsys ceph_subsys_rgw | |
22 | ||
23 | #define GC_LIST_DEFAULT_MAX 128 | |
24 | ||
25 | CLS_VER(1,0) | |
26 | CLS_NAME(rgw_gc) | |
27 | ||
28 | static int cls_rgw_gc_queue_init(cls_method_context_t hctx, bufferlist *in, bufferlist *out) | |
29 | { | |
30 | auto in_iter = in->cbegin(); | |
31 | ||
32 | cls_rgw_gc_queue_init_op op; | |
33 | try { | |
34 | decode(op, in_iter); | |
35 | } catch (buffer::error& err) { | |
36 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_init: failed to decode entry\n"); | |
37 | return -EINVAL; | |
38 | } | |
39 | ||
40 | cls_rgw_gc_urgent_data urgent_data; | |
41 | urgent_data.num_urgent_data_entries = op.num_deferred_entries; | |
42 | ||
43 | cls_queue_init_op init_op; | |
44 | ||
45 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_init: queue size is %lu\n", op.size); | |
46 | ||
47 | init_op.queue_size = op.size; | |
48 | init_op.max_urgent_data_size = g_ceph_context->_conf->rgw_gc_max_deferred_entries_size; | |
49 | encode(urgent_data, init_op.bl_urgent_data); | |
50 | ||
51 | return queue_init(hctx, init_op); | |
52 | } | |
53 | ||
54 | static int cls_rgw_gc_queue_enqueue(cls_method_context_t hctx, bufferlist *in, bufferlist *out) | |
55 | { | |
56 | auto in_iter = in->cbegin(); | |
57 | cls_rgw_gc_set_entry_op op; | |
58 | try { | |
59 | decode(op, in_iter); | |
60 | } catch (buffer::error& err) { | |
61 | CLS_LOG(1, "ERROR: cls_rgw_gc_queue_enqueue: failed to decode entry\n"); | |
62 | return -EINVAL; | |
63 | } | |
64 | ||
65 | op.info.time = ceph::real_clock::now(); | |
66 | op.info.time += make_timespan(op.expiration_secs); | |
67 | ||
68 | //get head | |
69 | cls_queue_head head; | |
70 | int ret = queue_read_head(hctx, head); | |
71 | if (ret < 0) { | |
72 | return ret; | |
73 | } | |
74 | ||
75 | cls_queue_enqueue_op enqueue_op; | |
76 | bufferlist bl_data; | |
77 | encode(op.info, bl_data); | |
78 | enqueue_op.bl_data_vec.emplace_back(bl_data); | |
79 | ||
80 | CLS_LOG(20, "INFO: cls_rgw_gc_queue_enqueue: Data size is: %u \n", bl_data.length()); | |
81 | ||
82 | ret = queue_enqueue(hctx, enqueue_op, head); | |
83 | if (ret < 0) { | |
84 | return ret; | |
85 | } | |
86 | ||
87 | //Write back head | |
88 | return queue_write_head(hctx, head); | |
89 | } | |
90 | ||
91 | static int cls_rgw_gc_queue_list_entries(cls_method_context_t hctx, bufferlist *in, bufferlist *out) | |
92 | { | |
93 | auto in_iter = in->cbegin(); | |
94 | cls_rgw_gc_list_op op; | |
95 | try { | |
96 | decode(op, in_iter); | |
97 | } catch (buffer::error& err) { | |
98 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_list_entries(): failed to decode input\n"); | |
99 | return -EINVAL; | |
100 | } | |
101 | ||
102 | cls_queue_head head; | |
103 | auto ret = queue_read_head(hctx, head); | |
104 | if (ret < 0) { | |
105 | return ret; | |
106 | } | |
107 | ||
108 | cls_rgw_gc_urgent_data urgent_data; | |
109 | if (head.bl_urgent_data.length() > 0) { | |
110 | auto iter_urgent_data = head.bl_urgent_data.cbegin(); | |
111 | try { | |
112 | decode(urgent_data, iter_urgent_data); | |
113 | } catch (buffer::error& err) { | |
114 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_list_entries(): failed to decode urgent data\n"); | |
115 | return -EINVAL; | |
116 | } | |
117 | } | |
118 | ||
119 | cls_queue_list_op list_op; | |
120 | if (! op.max) { | |
121 | op.max = GC_LIST_DEFAULT_MAX; | |
122 | } | |
123 | ||
124 | list_op.max = op.max; | |
125 | list_op.start_marker = op.marker; | |
126 | ||
127 | cls_rgw_gc_list_ret list_ret; | |
128 | uint32_t num_entries = 0; //Entries excluding the deferred ones | |
129 | bool is_truncated = true; | |
130 | string next_marker; | |
131 | do { | |
132 | cls_queue_list_ret op_ret; | |
133 | int ret = queue_list_entries(hctx, list_op, op_ret, head); | |
134 | if (ret < 0) { | |
135 | CLS_LOG(5, "ERROR: queue_list_entries(): returned error %d\n", ret); | |
136 | return ret; | |
137 | } | |
138 | is_truncated = op_ret.is_truncated; | |
139 | next_marker = op_ret.next_marker; | |
140 | ||
141 | if (op_ret.entries.size()) { | |
142 | for (auto it : op_ret.entries) { | |
143 | cls_rgw_gc_obj_info info; | |
144 | try { | |
145 | decode(info, it.data); | |
146 | } catch (buffer::error& err) { | |
147 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_list_entries(): failed to decode gc info\n"); | |
148 | return -EINVAL; | |
149 | } | |
150 | bool found = false; | |
151 | //Check for info tag in urgent data map | |
152 | auto iter = urgent_data.urgent_data_map.find(info.tag); | |
153 | if (iter != urgent_data.urgent_data_map.end()) { | |
154 | found = true; | |
155 | if (iter->second > info.time) { | |
156 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_list_entries(): tag found in urgent data: %s\n", info.tag.c_str()); | |
157 | continue; | |
158 | } | |
159 | } | |
160 | //Search in xattrs | |
161 | if (! found && urgent_data.num_xattr_urgent_entries > 0) { | |
162 | bufferlist bl_xattrs; | |
163 | int ret = cls_cxx_getxattr(hctx, "cls_queue_urgent_data", &bl_xattrs); | |
164 | if (ret < 0 && (ret != -ENOENT && ret != -ENODATA)) { | |
165 | CLS_LOG(0, "ERROR: %s(): cls_cxx_getxattrs() returned %d", __func__, ret); | |
166 | return ret; | |
167 | } | |
168 | if (ret != -ENOENT && ret != -ENODATA) { | |
169 | std::unordered_map<string,ceph::real_time> xattr_urgent_data_map; | |
170 | auto iter = bl_xattrs.cbegin(); | |
171 | try { | |
172 | decode(xattr_urgent_data_map, iter); | |
173 | } catch (buffer::error& err) { | |
174 | CLS_LOG(1, "ERROR: cls_rgw_gc_queue_list_entries(): failed to decode xattrs urgent data map\n"); | |
175 | return -EINVAL; | |
176 | } //end - catch | |
177 | auto xattr_iter = xattr_urgent_data_map.find(info.tag); | |
178 | if (xattr_iter != xattr_urgent_data_map.end()) { | |
179 | if (xattr_iter->second > info.time) { | |
180 | CLS_LOG(1, "INFO: cls_rgw_gc_queue_list_entries(): tag found in xattrs urgent data map: %s\n", info.tag.c_str()); | |
181 | continue; | |
182 | } | |
183 | } | |
184 | } // end - ret != ENOENT && ENODATA | |
185 | } // end - if not found | |
186 | if (op.expired_only) { | |
187 | real_time now = ceph::real_clock::now(); | |
188 | if (info.time <= now) { | |
189 | list_ret.entries.emplace_back(info); | |
190 | } | |
191 | //Can break out here if info.time > now, since all subsequent entries won't have expired | |
192 | } else { | |
193 | list_ret.entries.emplace_back(info); | |
194 | } | |
195 | num_entries++; | |
196 | } | |
197 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_list_entries(): num_entries: %u and op.max: %u\n", num_entries, op.max); | |
198 | if (num_entries < op.max) { | |
199 | list_op.max = (op.max - num_entries); | |
200 | list_op.start_marker = op_ret.next_marker; | |
201 | out->clear(); | |
202 | } else { | |
203 | //We've reached the max number of entries needed | |
204 | break; | |
205 | } | |
206 | } else { | |
207 | //We dont have data to process | |
208 | break; | |
209 | } | |
210 | } while(is_truncated); | |
211 | ||
212 | list_ret.truncated = is_truncated; | |
213 | if (list_ret.truncated) { | |
214 | list_ret.next_marker = next_marker; | |
215 | } | |
216 | out->clear(); | |
217 | encode(list_ret, *out); | |
218 | return 0; | |
219 | } | |
220 | ||
221 | static int cls_rgw_gc_queue_remove_entries(cls_method_context_t hctx, bufferlist *in, bufferlist *out) | |
222 | { | |
223 | auto in_iter = in->cbegin(); | |
224 | ||
225 | cls_rgw_gc_queue_remove_entries_op op; | |
226 | try { | |
227 | decode(op, in_iter); | |
228 | } catch (buffer::error& err) { | |
229 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_remove_entries(): failed to decode input\n"); | |
230 | return -EINVAL; | |
231 | } | |
232 | ||
233 | cls_queue_head head; | |
234 | auto ret = queue_read_head(hctx, head); | |
235 | if (ret < 0) { | |
236 | return ret; | |
237 | } | |
238 | ||
239 | cls_rgw_gc_urgent_data urgent_data; | |
240 | if (head.bl_urgent_data.length() > 0) { | |
241 | auto iter_urgent_data = head.bl_urgent_data.cbegin(); | |
242 | try { | |
243 | decode(urgent_data, iter_urgent_data); | |
244 | } catch (buffer::error& err) { | |
245 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_remove_entries(): failed to decode urgent data\n"); | |
246 | return -EINVAL; | |
247 | } | |
248 | } | |
249 | ||
250 | // List entries and calculate total number of entries (including invalid entries) | |
251 | if (! op.num_entries) { | |
252 | op.num_entries = GC_LIST_DEFAULT_MAX; | |
253 | } | |
254 | cls_queue_list_op list_op; | |
255 | list_op.max = op.num_entries + 1; // +1 to get the offset of last + 1 entry | |
256 | bool is_truncated = true; | |
257 | uint32_t total_num_entries = 0, num_entries = 0; | |
258 | string end_marker; | |
259 | do { | |
260 | cls_queue_list_ret op_ret; | |
261 | int ret = queue_list_entries(hctx, list_op, op_ret, head); | |
262 | if (ret < 0) { | |
263 | CLS_LOG(5, "ERROR: queue_list_entries(): returned error %d\n", ret); | |
264 | return ret; | |
265 | } | |
266 | ||
267 | is_truncated = op_ret.is_truncated; | |
268 | unsigned int index = 0; | |
269 | // If data is not empty | |
270 | if (op_ret.entries.size()) { | |
271 | for (auto it : op_ret.entries) { | |
272 | cls_rgw_gc_obj_info info; | |
273 | try { | |
274 | decode(info, it.data); | |
275 | } catch (buffer::error& err) { | |
276 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_remove_entries(): failed to decode gc info\n"); | |
277 | return -EINVAL; | |
278 | } | |
279 | CLS_LOG(20, "INFO: cls_rgw_gc_queue_remove_entries(): entry: %s\n", info.tag.c_str()); | |
280 | total_num_entries++; | |
281 | index++; | |
282 | bool found = false; | |
283 | //Search for tag in urgent data map | |
284 | auto iter = urgent_data.urgent_data_map.find(info.tag); | |
285 | if (iter != urgent_data.urgent_data_map.end()) { | |
286 | found = true; | |
287 | if (iter->second > info.time) { | |
288 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): tag found in urgent data: %s\n", info.tag.c_str()); | |
289 | continue; | |
290 | } else if (iter->second == info.time) { | |
291 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): erasing tag from urgent data: %s\n", info.tag.c_str()); | |
292 | urgent_data.urgent_data_map.erase(info.tag); //erase entry from map, as it will be removed later from queue | |
293 | urgent_data.num_head_urgent_entries -= 1; | |
294 | } | |
295 | }//end-if map end | |
296 | if (! found && urgent_data.num_xattr_urgent_entries > 0) { | |
297 | //Search in xattrs | |
298 | bufferlist bl_xattrs; | |
299 | int ret = cls_cxx_getxattr(hctx, "cls_queue_urgent_data", &bl_xattrs); | |
300 | if (ret < 0 && (ret != -ENOENT && ret != -ENODATA)) { | |
301 | CLS_LOG(0, "ERROR: %s(): cls_cxx_getxattrs() returned %d", __func__, ret); | |
302 | return ret; | |
303 | } | |
304 | if (ret != -ENOENT && ret != -ENODATA) { | |
305 | std::unordered_map<string,ceph::real_time> xattr_urgent_data_map; | |
306 | auto iter = bl_xattrs.cbegin(); | |
307 | try { | |
308 | decode(xattr_urgent_data_map, iter); | |
309 | } catch (buffer::error& err) { | |
310 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_remove_entries(): failed to decode xattrs urgent data map\n"); | |
311 | return -EINVAL; | |
312 | } //end - catch | |
313 | auto xattr_iter = xattr_urgent_data_map.find(info.tag); | |
314 | if (xattr_iter != xattr_urgent_data_map.end()) { | |
315 | if (xattr_iter->second > info.time) { | |
316 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): tag found in xattrs urgent data map: %s\n", info.tag.c_str()); | |
317 | continue; | |
318 | } else if (xattr_iter->second == info.time) { | |
319 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): erasing tag from xattrs urgent data: %s\n", info.tag.c_str()); | |
320 | xattr_urgent_data_map.erase(info.tag); //erase entry from map, as it will be removed later | |
321 | urgent_data.num_xattr_urgent_entries -= 1; | |
322 | } | |
323 | } | |
324 | } // end - ret != ENOENT && ENODATA | |
325 | }// search in xattrs | |
326 | num_entries++; | |
327 | }//end-for | |
328 | ||
329 | if (num_entries < (op.num_entries + 1)) { | |
330 | if (! op_ret.is_truncated) { | |
331 | end_marker = op_ret.next_marker; | |
332 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): not truncated and end offset is %s\n", end_marker.c_str()); | |
333 | break; | |
334 | } else { | |
335 | list_op.max = ((op.num_entries + 1) - num_entries); | |
336 | list_op.start_marker = op_ret.next_marker; | |
337 | out->clear(); | |
338 | } | |
339 | } else { | |
340 | end_marker = op_ret.entries[index - 1].marker; | |
341 | CLS_LOG(1, "INFO: cls_rgw_gc_queue_remove_entries(): index is %u and end_offset is: %s\n", index, end_marker.c_str()); | |
342 | break; | |
343 | } | |
344 | } //end-if | |
345 | else { | |
346 | break; | |
347 | } | |
348 | } while(is_truncated); | |
349 | ||
350 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): Total number of entries to remove: %d\n", total_num_entries); | |
351 | CLS_LOG(10, "INFO: cls_rgw_gc_queue_remove_entries(): End offset is %s\n", end_marker.c_str()); | |
352 | ||
353 | if (! end_marker.empty()) { | |
354 | cls_queue_remove_op rem_op; | |
355 | rem_op.end_marker = end_marker; | |
356 | int ret = queue_remove_entries(hctx, rem_op, head); | |
357 | if (ret < 0) { | |
358 | CLS_LOG(5, "ERROR: queue_remove_entries(): returned error %d\n", ret); | |
359 | return ret; | |
360 | } | |
361 | } | |
362 | ||
363 | //Update urgent data map | |
e306af50 | 364 | head.bl_urgent_data.clear(); |
9f95a23c | 365 | encode(urgent_data, head.bl_urgent_data); |
e306af50 | 366 | CLS_LOG(5, "INFO: cls_rgw_gc_queue_remove_entries(): Urgent data size is %u\n", head.bl_urgent_data.length()); |
9f95a23c TL |
367 | |
368 | return queue_write_head(hctx, head); | |
369 | } | |
370 | ||
371 | static int cls_rgw_gc_queue_update_entry(cls_method_context_t hctx, bufferlist *in, bufferlist *out) | |
372 | { | |
373 | int ret = 0; | |
374 | auto in_iter = in->cbegin(); | |
375 | ||
376 | cls_rgw_gc_queue_defer_entry_op op; | |
377 | try { | |
378 | decode(op, in_iter); | |
379 | } catch (buffer::error& err) { | |
380 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_update_entry(): failed to decode input\n"); | |
381 | return -EINVAL; | |
382 | } | |
383 | ||
384 | op.info.time = ceph::real_clock::now(); | |
385 | op.info.time += make_timespan(op.expiration_secs); | |
386 | ||
387 | // Read head | |
388 | cls_queue_head head; | |
389 | ret = queue_read_head(hctx, head); | |
390 | if (ret < 0) { | |
391 | return ret; | |
392 | } | |
393 | ||
394 | auto bl_iter = head.bl_urgent_data.cbegin(); | |
395 | cls_rgw_gc_urgent_data urgent_data; | |
396 | try { | |
397 | decode(urgent_data, bl_iter); | |
398 | } catch (buffer::error& err) { | |
399 | CLS_LOG(5, "ERROR: cls_rgw_gc_queue_update_entry(): failed to decode urgent data\n"); | |
400 | return -EINVAL; | |
401 | } | |
402 | ||
403 | //has_urgent_data signifies whether urgent data in queue has changed | |
404 | bool has_urgent_data = false, tag_found = false; | |
405 | //search in unordered map in head | |
406 | auto it = urgent_data.urgent_data_map.find(op.info.tag); | |
407 | if (it != urgent_data.urgent_data_map.end()) { | |
408 | it->second = op.info.time; | |
409 | tag_found = true; | |
410 | has_urgent_data = true; | |
411 | } else { //search in xattrs | |
412 | bufferlist bl_xattrs; | |
413 | int ret = cls_cxx_getxattr(hctx, "cls_queue_urgent_data", &bl_xattrs); | |
414 | if (ret < 0 && (ret != -ENOENT && ret != -ENODATA)) { | |
415 | CLS_LOG(0, "ERROR: %s(): cls_cxx_getxattrs() returned %d", __func__, ret); | |
416 | return ret; | |
417 | } | |
418 | if (ret != -ENOENT && ret != -ENODATA) { | |
419 | std::unordered_map<string,ceph::real_time> xattr_urgent_data_map; | |
420 | auto iter = bl_xattrs.cbegin(); | |
421 | try { | |
422 | decode(xattr_urgent_data_map, iter); | |
423 | } catch (buffer::error& err) { | |
424 | CLS_LOG(1, "ERROR: cls_rgw_gc_queue_update_entry(): failed to decode xattrs urgent data map\n"); | |
425 | return -EINVAL; | |
426 | } //end - catch | |
427 | auto xattr_iter = xattr_urgent_data_map.find(op.info.tag); | |
428 | if (xattr_iter != xattr_urgent_data_map.end()) { | |
429 | it->second = op.info.time; | |
430 | tag_found = true; | |
431 | //write the updated map back | |
432 | bufferlist bl_map; | |
433 | encode(xattr_urgent_data_map, bl_map); | |
434 | ret = cls_cxx_setxattr(hctx, "cls_queue_urgent_data", &bl_map); | |
435 | CLS_LOG(20, "%s(): setting attr: %s", __func__, "cls_queue_urgent_data"); | |
436 | if (ret < 0) { | |
437 | CLS_LOG(0, "ERROR: %s(): cls_cxx_setxattr (attr=%s) returned %d", __func__, "cls_queue_urgent_data", ret); | |
438 | return ret; | |
439 | } | |
440 | } | |
441 | }// end ret != ENOENT ... | |
442 | } | |
443 | ||
444 | if (! tag_found) { | |
445 | //try inserting in queue head | |
446 | urgent_data.urgent_data_map.insert({op.info.tag, op.info.time}); | |
447 | urgent_data.num_head_urgent_entries += 1; | |
448 | has_urgent_data = true; | |
449 | ||
450 | bufferlist bl_urgent_data; | |
451 | encode(urgent_data, bl_urgent_data); | |
452 | //insert as xattrs | |
453 | if (bl_urgent_data.length() > head.max_urgent_data_size) { | |
454 | //remove inserted entry from urgent data | |
455 | urgent_data.urgent_data_map.erase(op.info.tag); | |
456 | urgent_data.num_head_urgent_entries -= 1; | |
457 | has_urgent_data = false; | |
458 | ||
459 | bufferlist bl_xattrs; | |
460 | int ret = cls_cxx_getxattr(hctx, "cls_queue_urgent_data", &bl_xattrs); | |
461 | if (ret < 0 && (ret != -ENOENT && ret != -ENODATA)) { | |
462 | CLS_LOG(0, "ERROR: %s(): cls_cxx_getxattrs() returned %d", __func__, ret); | |
463 | return ret; | |
464 | } | |
465 | std::unordered_map<string,ceph::real_time> xattr_urgent_data_map; | |
466 | if (ret != -ENOENT && ret != -ENODATA) { | |
467 | auto iter = bl_xattrs.cbegin(); | |
468 | try { | |
469 | decode(xattr_urgent_data_map, iter); | |
470 | } catch (buffer::error& err) { | |
471 | CLS_LOG(1, "ERROR: cls_rgw_gc_queue_remove_entries(): failed to decode xattrs urgent data map\n"); | |
472 | return -EINVAL; | |
473 | } //end - catch | |
474 | } | |
475 | xattr_urgent_data_map.insert({op.info.tag, op.info.time}); | |
476 | urgent_data.num_xattr_urgent_entries += 1; | |
477 | has_urgent_data = true; | |
478 | bufferlist bl_map; | |
479 | encode(xattr_urgent_data_map, bl_map); | |
480 | ret = cls_cxx_setxattr(hctx, "cls_queue_urgent_data", &bl_map); | |
481 | CLS_LOG(20, "%s(): setting attr: %s", __func__, "cls_queue_urgent_data"); | |
482 | if (ret < 0) { | |
483 | CLS_LOG(0, "ERROR: %s(): cls_cxx_setxattr (attr=%s) returned %d", __func__, "cls_queue_urgent_data", ret); | |
484 | return ret; | |
485 | } | |
486 | } | |
487 | } | |
488 | ||
489 | if ((urgent_data.num_head_urgent_entries + urgent_data.num_xattr_urgent_entries) > urgent_data.num_urgent_data_entries) { | |
490 | CLS_LOG(20, "Total num entries %u", urgent_data.num_urgent_data_entries); | |
491 | CLS_LOG(20, "Num xattr entries %u", urgent_data.num_xattr_urgent_entries); | |
492 | CLS_LOG(20, "Num head entries %u", urgent_data.num_head_urgent_entries); | |
493 | CLS_LOG(0, "ERROR: Number of urgent data entries exceeded that requested by user, returning no space!"); | |
494 | return -ENOSPC; | |
495 | } | |
496 | ||
497 | cls_queue_enqueue_op enqueue_op; | |
498 | bufferlist bl_data; | |
499 | encode(op.info, bl_data); | |
500 | enqueue_op.bl_data_vec.emplace_back(bl_data); | |
501 | CLS_LOG(10, "INFO: cls_gc_update_entry: Data size is: %u \n", bl_data.length()); | |
502 | ||
503 | ret = queue_enqueue(hctx, enqueue_op, head); | |
504 | if (ret < 0) { | |
505 | return ret; | |
506 | } | |
507 | ||
508 | if (has_urgent_data) { | |
509 | head.bl_urgent_data.clear(); | |
510 | encode(urgent_data, head.bl_urgent_data); | |
511 | } | |
512 | ||
513 | return queue_write_head(hctx, head); | |
514 | } | |
515 | ||
516 | CLS_INIT(rgw_gc) | |
517 | { | |
518 | CLS_LOG(1, "Loaded rgw gc class!"); | |
519 | ||
520 | cls_handle_t h_class; | |
521 | cls_method_handle_t h_rgw_gc_queue_init; | |
522 | cls_method_handle_t h_rgw_gc_queue_enqueue; | |
523 | cls_method_handle_t h_rgw_gc_queue_list_entries; | |
524 | cls_method_handle_t h_rgw_gc_queue_remove_entries; | |
525 | cls_method_handle_t h_rgw_gc_queue_update_entry; | |
526 | ||
527 | cls_register(RGW_GC_CLASS, &h_class); | |
528 | ||
529 | /* gc */ | |
530 | cls_register_cxx_method(h_class, RGW_GC_QUEUE_INIT, CLS_METHOD_RD | CLS_METHOD_WR, cls_rgw_gc_queue_init, &h_rgw_gc_queue_init); | |
531 | cls_register_cxx_method(h_class, RGW_GC_QUEUE_ENQUEUE, CLS_METHOD_RD | CLS_METHOD_WR, cls_rgw_gc_queue_enqueue, &h_rgw_gc_queue_enqueue); | |
532 | cls_register_cxx_method(h_class, RGW_GC_QUEUE_LIST_ENTRIES, CLS_METHOD_RD, cls_rgw_gc_queue_list_entries, &h_rgw_gc_queue_list_entries); | |
533 | cls_register_cxx_method(h_class, RGW_GC_QUEUE_REMOVE_ENTRIES, CLS_METHOD_RD | CLS_METHOD_WR, cls_rgw_gc_queue_remove_entries, &h_rgw_gc_queue_remove_entries); | |
534 | cls_register_cxx_method(h_class, RGW_GC_QUEUE_UPDATE_ENTRY, CLS_METHOD_RD | CLS_METHOD_WR, cls_rgw_gc_queue_update_entry, &h_rgw_gc_queue_update_entry); | |
535 | ||
536 | return; | |
537 | } | |
538 |