1 // SPDX-License-Identifier: GPL-2.0
12  * ceph_cls_lock - grab rados lock for object
18  * @cookie: user-defined identifier for this instance of the lock
19  * @tag: user-defined tag
20  * @desc: user-defined lock description
50 		return -E2BIG;  in ceph_cls_lock()
54 		return -ENOMEM;  in ceph_cls_lock()
59 	/* encode cls_lock_lock_op struct */  in ceph_cls_lock()
61 			    lock_op_buf_size - CEPH_ENCODING_START_BLK_LEN);  in ceph_cls_lock()
67 	/* only support infinite duration */  in ceph_cls_lock()
86  * ceph_cls_unlock - release rados lock for object
91  * @cookie: user-defined identifier for this instance of the lock
109 		return -E2BIG;  in ceph_cls_unlock()
113 		return -ENOMEM;  in ceph_cls_unlock()
118 	/* encode cls_lock_unlock_op struct */  in ceph_cls_unlock()
120 			    unlock_op_buf_size - CEPH_ENCODING_START_BLK_LEN);  in ceph_cls_unlock()
136  * ceph_cls_break_lock - release rados lock for object for specified client
141  * @cookie: user-defined identifier for this instance of the lock
162 		return -E2BIG;  in ceph_cls_break_lock()
166 		return -ENOMEM;  in ceph_cls_break_lock()
171 	/* encode cls_lock_break_op struct */  in ceph_cls_break_lock()
173 			    break_op_buf_size - CEPH_ENCODING_START_BLK_LEN);  in ceph_cls_break_lock()
211 		return -E2BIG;  in ceph_cls_set_cookie()
215 		return -ENOMEM;  in ceph_cls_set_cookie()
220 	/* encode cls_lock_set_cookie_op struct */  in ceph_cls_set_cookie()
222 			    cookie_op_buf_size - CEPH_ENCODING_START_BLK_LEN);  in ceph_cls_set_cookie()
262 	ceph_decode_copy(p, &locker->id.name, sizeof(locker->id.name));  in decode_locker()
267 	locker->id.cookie = s;  in decode_locker()
275 	ret = ceph_decode_entity_addr(p, end, &locker->info.addr);  in decode_locker()
283 	     ENTITY_NAME(locker->id.name), locker->id.cookie,  in decode_locker()
284 	     ceph_pr_addr(&locker->info.addr));  in decode_locker()
305 		return -ENOMEM;  in decode_lockers()
350 		return -E2BIG;  in ceph_cls_lock_info()
354 		return -ENOMEM;  in ceph_cls_lock_info()
359 		return -ENOMEM;  in ceph_cls_lock_info()
365 	/* encode cls_lock_get_info_op struct */  in ceph_cls_lock_info()
367 			    get_info_op_buf_size - CEPH_ENCODING_START_BLK_LEN);  in ceph_cls_lock_info()
405 		return -E2BIG;  in ceph_cls_assert_locked()
418 	/* encode cls_lock_assert_op struct */  in ceph_cls_assert_locked()
420 			    assert_op_buf_size - CEPH_ENCODING_START_BLK_LEN);  in ceph_cls_assert_locked()