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