include/linux/ceph/cls_lock_client.h

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