cls_lock_client.h 1.7 KB

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