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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_CEPH_CLS_LOCK_CLIENT_H
#define _LINUX_CEPH_CLS_LOCK_CLIENT_H
#include <linux/ceph/osd_client.h>
enum ceph_cls_lock_type {
CEPH_CLS_LOCK_NONE = 0,
CEPH_CLS_LOCK_EXCLUSIVE = 1,
CEPH_CLS_LOCK_SHARED = 2,
};
struct ceph_locker_id {
struct ceph_entity_name name; /* locker's client name */
char *cookie; /* locker's cookie */
};
struct ceph_locker_info {
struct ceph_entity_addr addr; /* locker's address */
};
struct ceph_locker {
struct ceph_locker_id id;
struct ceph_locker_info info;
};
int ceph_cls_lock(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
char *lock_name, u8 type, char *cookie,
char *tag, char *desc, u8 flags);
int ceph_cls_unlock(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
char *lock_name, char *cookie);
int ceph_cls_break_lock(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
char *lock_name, char *cookie,
struct ceph_entity_name *locker);
int ceph_cls_set_cookie(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
char *lock_name, u8 type, char *old_cookie,
char *tag, char *new_cookie);
void ceph_free_lockers(struct ceph_locker *lockers, u32 num_lockers);
int ceph_cls_lock_info(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
char *lock_name, u8 *type, char **tag,
struct ceph_locker **lockers, u32 *num_lockers);
int ceph_cls_assert_locked(struct ceph_osd_request *req, int which,
char *lock_name, u8 type, char *cookie, char *tag);
#endif