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 | |
7 | enum ceph_cls_lock_type { |
8 | CEPH_CLS_LOCK_NONE = 0, |
9 | CEPH_CLS_LOCK_EXCLUSIVE = 1, |
10 | CEPH_CLS_LOCK_SHARED = 2, |
11 | }; |
12 | |
13 | struct ceph_locker_id { |
14 | struct ceph_entity_name name; /* locker's client name */ |
15 | char *cookie; /* locker's cookie */ |
16 | }; |
17 | |
18 | struct ceph_locker_info { |
19 | struct ceph_entity_addr addr; /* locker's address */ |
20 | }; |
21 | |
22 | struct ceph_locker { |
23 | struct ceph_locker_id id; |
24 | struct ceph_locker_info info; |
25 | }; |
26 | |
27 | int 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); |
32 | int 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); |
36 | int 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); |
41 | int 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 | |
47 | void ceph_free_lockers(struct ceph_locker *lockers, u32 num_lockers); |
48 | |
49 | int 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 | |
55 | int 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 | |