1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_CEPH_CLS_LOCK_CLIENT_H
3#define _LINUX_CEPH_CLS_LOCK_CLIENT_H
4
5#include <linux/ceph/osd_client.h>
6
7enum ceph_cls_lock_type {
8 CEPH_CLS_LOCK_NONE = 0,
9 CEPH_CLS_LOCK_EXCLUSIVE = 1,
10 CEPH_CLS_LOCK_SHARED = 2,
11};
12
13struct ceph_locker_id {
14 struct ceph_entity_name name; /* locker's client name */
15 char *cookie; /* locker's cookie */
16};
17
18struct ceph_locker_info {
19 struct ceph_entity_addr addr; /* locker's address */
20};
21
22struct ceph_locker {
23 struct ceph_locker_id id;
24 struct ceph_locker_info info;
25};
26
27int ceph_cls_lock(struct ceph_osd_client *osdc,
28 struct ceph_object_id *oid,
29 struct ceph_object_locator *oloc,
30 char *lock_name, u8 type, char *cookie,
31 char *tag, char *desc, u8 flags);
32int ceph_cls_unlock(struct ceph_osd_client *osdc,
33 struct ceph_object_id *oid,
34 struct ceph_object_locator *oloc,
35 char *lock_name, char *cookie);
36int ceph_cls_break_lock(struct ceph_osd_client *osdc,
37 struct ceph_object_id *oid,
38 struct ceph_object_locator *oloc,
39 char *lock_name, char *cookie,
40 struct ceph_entity_name *locker);
41int ceph_cls_set_cookie(struct ceph_osd_client *osdc,
42 struct ceph_object_id *oid,
43 struct ceph_object_locator *oloc,
44 char *lock_name, u8 type, char *old_cookie,
45 char *tag, char *new_cookie);
46
47void ceph_free_lockers(struct ceph_locker *lockers, u32 num_lockers);
48
49int ceph_cls_lock_info(struct ceph_osd_client *osdc,
50 struct ceph_object_id *oid,
51 struct ceph_object_locator *oloc,
52 char *lock_name, u8 *type, char **tag,
53 struct ceph_locker **lockers, u32 *num_lockers);
54
55int ceph_cls_assert_locked(struct ceph_osd_request *req, int which,
56 char *lock_name, u8 type, char *cookie, char *tag);
57
58#endif
59

source code of linux/include/linux/ceph/cls_lock_client.h