46 static int nlmsvc_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock);
144 nlmsvc_lookup_block(struct nlm_file *file, struct nlm_lock *lock)  in nlmsvc_lookup_block()  argument
150 				file, lock->fl.fl_pid,  in nlmsvc_lookup_block()
151 				(long long)lock->fl.fl_start,  in nlmsvc_lookup_block()
152 				(long long)lock->fl.fl_end, lock->fl.fl_type);  in nlmsvc_lookup_block()
154 		fl = &block->b_call->a_args.lock.fl;  in nlmsvc_lookup_block()
160 		if (block->b_file == file && nlm_compare_locks(fl, &lock->fl)) {  in nlmsvc_lookup_block()
216 		    struct nlm_file *file, struct nlm_lock *lock,  in nlmsvc_create_block()  argument
234 	if (!nlmsvc_setgrantargs(call, lock))  in nlmsvc_create_block()
238 	call->a_args.lock.fl.fl_flags |= FL_SLEEP;  in nlmsvc_create_block()
239 	call->a_args.lock.fl.fl_lmops = &nlmsvc_lock_operations;  in nlmsvc_create_block()
278 	status = posix_unblock_lock(&block->b_call->a_args.lock.fl);  in nlmsvc_unlink_block()
338 static int nlmsvc_setgrantargs(struct nlm_rqst *call, struct nlm_lock *lock)  in nlmsvc_setgrantargs()  argument
340 	locks_copy_lock(&call->a_args.lock.fl, &lock->fl);  in nlmsvc_setgrantargs()
341 	memcpy(&call->a_args.lock.fh, &lock->fh, sizeof(call->a_args.lock.fh));  in nlmsvc_setgrantargs()
342 	call->a_args.lock.caller = utsname()->nodename;  in nlmsvc_setgrantargs()
343 	call->a_args.lock.oh.len = lock->oh.len;  in nlmsvc_setgrantargs()
346 	call->a_args.lock.oh.data = call->a_owner;  in nlmsvc_setgrantargs()
347 	call->a_args.lock.svid = lock->fl.fl_pid;  in nlmsvc_setgrantargs()
349 	if (lock->oh.len > NLMCLNT_OHSIZE) {  in nlmsvc_setgrantargs()
350 		void *data = kmalloc(lock->oh.len, GFP_KERNEL);  in nlmsvc_setgrantargs()
353 		call->a_args.lock.oh.data = (u8 *) data;  in nlmsvc_setgrantargs()
356 	memcpy(call->a_args.lock.oh.data, lock->oh.data, lock->oh.len);  in nlmsvc_setgrantargs()
362 	if (call->a_args.lock.oh.data != call->a_owner)  in nlmsvc_freegrantargs()
363 		kfree(call->a_args.lock.oh.data);  in nlmsvc_freegrantargs()
365 	locks_release_private(&call->a_args.lock.fl);  in nlmsvc_freegrantargs()
399 	    struct nlm_host *host, struct nlm_lock *lock, int wait,  in nlmsvc_lock()  argument
409 				lock->fl.fl_type, lock->fl.fl_pid,  in nlmsvc_lock()
410 				(long long)lock->fl.fl_start,  in nlmsvc_lock()
411 				(long long)lock->fl.fl_end,  in nlmsvc_lock()
419 	block = nlmsvc_lookup_block(file, lock);  in nlmsvc_lock()
421 		block = nlmsvc_create_block(rqstp, host, file, lock, cookie);  in nlmsvc_lock()
425 		lock = &block->b_call->a_args.lock;  in nlmsvc_lock()
427 		lock->fl.fl_flags &= ~FL_SLEEP;  in nlmsvc_lock()
456 		lock->fl.fl_flags &= ~FL_SLEEP;  in nlmsvc_lock()
457 	error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);  in nlmsvc_lock()
458 	lock->fl.fl_flags &= ~FL_SLEEP;  in nlmsvc_lock()
506 		struct nlm_host *host, struct nlm_lock *lock,  in nlmsvc_testlock()  argument
515 				lock->fl.fl_type,  in nlmsvc_testlock()
516 				(long long)lock->fl.fl_start,  in nlmsvc_testlock()
517 				(long long)lock->fl.fl_end);  in nlmsvc_testlock()
524 	error = vfs_test_lock(file->f_file, &lock->fl);  in nlmsvc_testlock()
534 	if (lock->fl.fl_type == F_UNLCK) {  in nlmsvc_testlock()
540 		lock->fl.fl_type, (long long)lock->fl.fl_start,  in nlmsvc_testlock()
541 		(long long)lock->fl.fl_end);  in nlmsvc_testlock()
545 	conflock->svid = lock->fl.fl_pid;  in nlmsvc_testlock()
546 	conflock->fl.fl_type = lock->fl.fl_type;  in nlmsvc_testlock()
547 	conflock->fl.fl_start = lock->fl.fl_start;  in nlmsvc_testlock()
548 	conflock->fl.fl_end = lock->fl.fl_end;  in nlmsvc_testlock()
549 	locks_release_private(&lock->fl);  in nlmsvc_testlock()
563 nlmsvc_unlock(struct net *net, struct nlm_file *file, struct nlm_lock *lock)  in nlmsvc_unlock()  argument
570 				lock->fl.fl_pid,  in nlmsvc_unlock()
571 				(long long)lock->fl.fl_start,  in nlmsvc_unlock()
572 				(long long)lock->fl.fl_end);  in nlmsvc_unlock()
575 	nlmsvc_cancel_blocked(net, file, lock);  in nlmsvc_unlock()
577 	lock->fl.fl_type = F_UNLCK;  in nlmsvc_unlock()
578 	error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);  in nlmsvc_unlock()
591 nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *lock)  in nlmsvc_cancel_blocked()  argument
599 				lock->fl.fl_pid,  in nlmsvc_cancel_blocked()
600 				(long long)lock->fl.fl_start,  in nlmsvc_cancel_blocked()
601 				(long long)lock->fl.fl_end);  in nlmsvc_cancel_blocked()
607 	block = nlmsvc_lookup_block(file, lock);  in nlmsvc_cancel_blocked()
611 				&block->b_call->a_args.lock.fl);  in nlmsvc_cancel_blocked()
644 		if (nlm_compare_locks(&block->b_call->a_args.lock.fl, fl)) {  in nlmsvc_grant_deferred()
683 		if (nlm_compare_locks(&block->b_call->a_args.lock.fl, fl)) {  in nlmsvc_notify_blocked()
732 	struct nlm_lock		*lock = &block->b_call->a_args.lock;  in nlmsvc_grant_blocked()  local
755 	lock->fl.fl_flags |= FL_SLEEP;  in nlmsvc_grant_blocked()
756 	fl_start = lock->fl.fl_start;  in nlmsvc_grant_blocked()
757 	fl_end = lock->fl.fl_end;  in nlmsvc_grant_blocked()
758 	error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);  in nlmsvc_grant_blocked()
759 	lock->fl.fl_flags &= ~FL_SLEEP;  in nlmsvc_grant_blocked()
760 	lock->fl.fl_start = fl_start;  in nlmsvc_grant_blocked()
761 	lock->fl.fl_end = fl_end;  in nlmsvc_grant_blocked()