aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/dlm/dlmast.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/dlm/dlmast.c')
-rw-r--r--fs/ocfs2/dlm/dlmast.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 644bee55d8ba..d07ddbe4b283 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -275,6 +275,7 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
275 struct list_head *iter, *head=NULL; 275 struct list_head *iter, *head=NULL;
276 u64 cookie; 276 u64 cookie;
277 u32 flags; 277 u32 flags;
278 u8 node;
278 279
279 if (!dlm_grab(dlm)) { 280 if (!dlm_grab(dlm)) {
280 dlm_error(DLM_REJECTED); 281 dlm_error(DLM_REJECTED);
@@ -286,18 +287,21 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
286 287
287 name = past->name; 288 name = past->name;
288 locklen = past->namelen; 289 locklen = past->namelen;
289 cookie = be64_to_cpu(past->cookie); 290 cookie = past->cookie;
290 flags = be32_to_cpu(past->flags); 291 flags = be32_to_cpu(past->flags);
292 node = past->node_idx;
291 293
292 if (locklen > DLM_LOCKID_NAME_MAX) { 294 if (locklen > DLM_LOCKID_NAME_MAX) {
293 ret = DLM_IVBUFLEN; 295 ret = DLM_IVBUFLEN;
294 mlog(ML_ERROR, "Invalid name length in proxy ast handler!\n"); 296 mlog(ML_ERROR, "Invalid name length (%d) in proxy ast "
297 "handler!\n", locklen);
295 goto leave; 298 goto leave;
296 } 299 }
297 300
298 if ((flags & (LKM_PUT_LVB|LKM_GET_LVB)) == 301 if ((flags & (LKM_PUT_LVB|LKM_GET_LVB)) ==
299 (LKM_PUT_LVB|LKM_GET_LVB)) { 302 (LKM_PUT_LVB|LKM_GET_LVB)) {
300 mlog(ML_ERROR, "both PUT and GET lvb specified\n"); 303 mlog(ML_ERROR, "Both PUT and GET lvb specified, (0x%x)\n",
304 flags);
301 ret = DLM_BADARGS; 305 ret = DLM_BADARGS;
302 goto leave; 306 goto leave;
303 } 307 }
@@ -310,22 +314,21 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
310 if (past->type != DLM_AST && 314 if (past->type != DLM_AST &&
311 past->type != DLM_BAST) { 315 past->type != DLM_BAST) {
312 mlog(ML_ERROR, "Unknown ast type! %d, cookie=%u:%llu" 316 mlog(ML_ERROR, "Unknown ast type! %d, cookie=%u:%llu"
313 "name=%.*s\n", past->type, 317 "name=%.*s, node=%u\n", past->type,
314 dlm_get_lock_cookie_node(cookie), 318 dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
315 dlm_get_lock_cookie_seq(cookie), 319 dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
316 locklen, name); 320 locklen, name, node);
317 ret = DLM_IVLOCKID; 321 ret = DLM_IVLOCKID;
318 goto leave; 322 goto leave;
319 } 323 }
320 324
321 res = dlm_lookup_lockres(dlm, name, locklen); 325 res = dlm_lookup_lockres(dlm, name, locklen);
322 if (!res) { 326 if (!res) {
323 mlog(0, "got %sast for unknown lockres! " 327 mlog(0, "Got %sast for unknown lockres! cookie=%u:%llu, "
324 "cookie=%u:%llu, name=%.*s, namelen=%u\n", 328 "name=%.*s, node=%u\n", (past->type == DLM_AST ? "" : "b"),
325 past->type == DLM_AST ? "" : "b", 329 dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
326 dlm_get_lock_cookie_node(cookie), 330 dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
327 dlm_get_lock_cookie_seq(cookie), 331 locklen, name, node);
328 locklen, name, locklen);
329 ret = DLM_IVLOCKID; 332 ret = DLM_IVLOCKID;
330 goto leave; 333 goto leave;
331 } 334 }
@@ -337,12 +340,12 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
337 340
338 spin_lock(&res->spinlock); 341 spin_lock(&res->spinlock);
339 if (res->state & DLM_LOCK_RES_RECOVERING) { 342 if (res->state & DLM_LOCK_RES_RECOVERING) {
340 mlog(0, "responding with DLM_RECOVERING!\n"); 343 mlog(0, "Responding with DLM_RECOVERING!\n");
341 ret = DLM_RECOVERING; 344 ret = DLM_RECOVERING;
342 goto unlock_out; 345 goto unlock_out;
343 } 346 }
344 if (res->state & DLM_LOCK_RES_MIGRATING) { 347 if (res->state & DLM_LOCK_RES_MIGRATING) {
345 mlog(0, "responding with DLM_MIGRATING!\n"); 348 mlog(0, "Responding with DLM_MIGRATING!\n");
346 ret = DLM_MIGRATING; 349 ret = DLM_MIGRATING;
347 goto unlock_out; 350 goto unlock_out;
348 } 351 }
@@ -351,7 +354,7 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
351 lock = NULL; 354 lock = NULL;
352 list_for_each(iter, head) { 355 list_for_each(iter, head) {
353 lock = list_entry (iter, struct dlm_lock, list); 356 lock = list_entry (iter, struct dlm_lock, list);
354 if (be64_to_cpu(lock->ml.cookie) == cookie) 357 if (lock->ml.cookie == cookie)
355 goto do_ast; 358 goto do_ast;
356 } 359 }
357 360
@@ -363,15 +366,15 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
363 366
364 list_for_each(iter, head) { 367 list_for_each(iter, head) {
365 lock = list_entry (iter, struct dlm_lock, list); 368 lock = list_entry (iter, struct dlm_lock, list);
366 if (be64_to_cpu(lock->ml.cookie) == cookie) 369 if (lock->ml.cookie == cookie)
367 goto do_ast; 370 goto do_ast;
368 } 371 }
369 372
370 mlog(0, "got %sast for unknown lock! cookie=%u:%llu, " 373 mlog(0, "Got %sast for unknown lock! cookie=%u:%llu, name=%.*s, "
371 "name=%.*s, namelen=%u\n", past->type == DLM_AST ? "" : "b", 374 "node=%u\n", past->type == DLM_AST ? "" : "b",
372 dlm_get_lock_cookie_node(cookie), 375 dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
373 dlm_get_lock_cookie_seq(cookie), 376 dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
374 locklen, name, locklen); 377 locklen, name, node);
375 378
376 ret = DLM_NORMAL; 379 ret = DLM_NORMAL;
377unlock_out: 380unlock_out:
@@ -383,8 +386,8 @@ do_ast:
383 if (past->type == DLM_AST) { 386 if (past->type == DLM_AST) {
384 /* do not alter lock refcount. switching lists. */ 387 /* do not alter lock refcount. switching lists. */
385 list_move_tail(&lock->list, &res->granted); 388 list_move_tail(&lock->list, &res->granted);
386 mlog(0, "ast: adding to granted list... type=%d, " 389 mlog(0, "ast: Adding to granted list... type=%d, "
387 "convert_type=%d\n", lock->ml.type, lock->ml.convert_type); 390 "convert_type=%d\n", lock->ml.type, lock->ml.convert_type);
388 if (lock->ml.convert_type != LKM_IVMODE) { 391 if (lock->ml.convert_type != LKM_IVMODE) {
389 lock->ml.type = lock->ml.convert_type; 392 lock->ml.type = lock->ml.convert_type;
390 lock->ml.convert_type = LKM_IVMODE; 393 lock->ml.convert_type = LKM_IVMODE;
@@ -408,7 +411,6 @@ do_ast:
408 dlm_do_local_bast(dlm, res, lock, past->blocked_type); 411 dlm_do_local_bast(dlm, res, lock, past->blocked_type);
409 412
410leave: 413leave:
411
412 if (res) 414 if (res)
413 dlm_lockres_put(res); 415 dlm_lockres_put(res);
414 416