Home Explore Help
Sign In
samsung-sm8650
/
android_kernel_samsung_sm8650_ksu
2
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Tree: 9e449c3f83
Branches Tags
android_kernel_...
/
drivers
/
block
/
drbd
/
drbd_state_change.h

drbd_state_change.h 2.0 KB
History Raw

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364 
  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef DRBD_STATE_CHANGE_H
    3. 

  3. #define DRBD_STATE_CHANGE_H
    4. 

  4. 

  5. struct drbd_resource_state_change {
    6. 

  6. 	struct drbd_resource *resource;
    7. 

  7. 	enum drbd_role role[2];
    8. 

  8. 	bool susp[2];
    9. 

  9. 	bool susp_nod[2];
    10. 

  10. 	bool susp_fen[2];
    11. 

  11. };
    12. 

  12. 

  13. struct drbd_device_state_change {
    14. 

  14. 	struct drbd_device *device;
    15. 

  15. 	enum drbd_disk_state disk_state[2];
    16. 

  16. };
    17. 

  17. 

  18. struct drbd_connection_state_change {
    19. 

  19. 	struct drbd_connection *connection;
    20. 

  20. 	enum drbd_conns cstate[2];  /* drbd9: enum drbd_conn_state */
    21. 

  21. 	enum drbd_role peer_role[2];
    22. 

  22. };
    23. 

  23. 

  24. struct drbd_peer_device_state_change {
    25. 

  25. 	struct drbd_peer_device *peer_device;
    26. 

  26. 	enum drbd_disk_state disk_state[2];
    27. 

  27. 	enum drbd_conns repl_state[2];  /* drbd9: enum drbd_repl_state */
    28. 

  28. 	bool resync_susp_user[2];
    29. 

  29. 	bool resync_susp_peer[2];
    30. 

  30. 	bool resync_susp_dependency[2];
    31. 

  31. };
    32. 

  32. 

  33. struct drbd_state_change {
    34. 

  34. 	struct list_head list;
    35. 

  35. 	unsigned int n_devices;
    36. 

  36. 	unsigned int n_connections;
    37. 

  37. 	struct drbd_resource_state_change resource[1];
    38. 

  38. 	struct drbd_device_state_change *devices;
    39. 

  39. 	struct drbd_connection_state_change *connections;
    40. 

  40. 	struct drbd_peer_device_state_change *peer_devices;
    41. 

  41. };
    42. 

  42. 

  43. extern struct drbd_state_change *remember_old_state(struct drbd_resource *, gfp_t);
    44. 

  44. extern void copy_old_to_new_state_change(struct drbd_state_change *);
    45. 

  45. extern void forget_state_change(struct drbd_state_change *);
    46. 

  46. 

  47. extern int notify_resource_state_change(struct sk_buff *,
    48. 

  48. 					 unsigned int,
    49. 

  49. 					 struct drbd_resource_state_change *,
    50. 

  50. 					 enum drbd_notification_type type);
    51. 

  51. extern int notify_connection_state_change(struct sk_buff *,
    52. 

  52. 					   unsigned int,
    53. 

  53. 					   struct drbd_connection_state_change *,
    54. 

  54. 					   enum drbd_notification_type type);
    55. 

  55. extern int notify_device_state_change(struct sk_buff *,
    56. 

  56. 				       unsigned int,
    57. 

  57. 				       struct drbd_device_state_change *,
    58. 

  58. 				       enum drbd_notification_type type);
    59. 

  59. extern int notify_peer_device_state_change(struct sk_buff *,
    60. 

  60. 					    unsigned int,
    61. 

  61. 					    struct drbd_peer_device_state_change *,
    62. 

  62. 					    enum drbd_notification_type type);
    63. 

  63. 

  64. #endif  /* DRBD_STATE_CHANGE_H */
    65.