1 files changed, 20 insertions, 15 deletions

diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index f632b58cd222..b94204913011 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -192,11 +192,6 @@ struct dlm_args {
  * lkb is a process copy, the nodeid specifies the lock master.
  */
 
-/* lkb_ast_type */
-
-#define AST_COMP                1
-#define AST_BAST                2
-
 /* lkb_status */
 
 #define DLM_LKSTS_WAITING       1
@@ -217,6 +212,20 @@ struct dlm_args {
 #define DLM_IFL_USER            0x00000001
 #define DLM_IFL_ORPHAN          0x00000002
 
+#define DLM_CALLBACKS_SIZE      6
+
+#define DLM_CB_CAST             0x00000001
+#define DLM_CB_BAST             0x00000002
+#define DLM_CB_SKIP             0x00000004
+
+struct dlm_callback {
+        uint64_t                seq;
+        uint32_t                flags;          /* DLM_CBF_ */
+        int                     sb_status;      /* copy to lksb status */
+        uint8_t                 sb_flags;       /* copy to lksb flags */
+        int8_t                  mode; /* rq mode of bast, gr mode of cast */
+};
+
 struct dlm_lkb {
         struct dlm_rsb          *lkb_resource;  /* the rsb */
         struct kref             lkb_ref;
@@ -236,13 +245,6 @@ struct dlm_lkb {
 
         int8_t                  lkb_wait_type;  /* type of reply waiting for */
         int8_t                  lkb_wait_count;
-        int8_t                  lkb_ast_type;   /* type of ast queued for */
-        int8_t                  lkb_ast_first;  /* type of first ast queued */
-
-        int8_t                  lkb_bastmode;   /* req mode of queued bast */
-        int8_t                  lkb_castmode;   /* gr mode of queued cast */
-        int8_t                  lkb_bastmode_done; /* last delivered bastmode */
-        int8_t                  lkb_castmode_done; /* last delivered castmode */
 
         struct list_head        lkb_idtbl_list; /* lockspace lkbtbl */
         struct list_head        lkb_statequeue; /* rsb g/c/w list */
@@ -251,10 +253,15 @@ struct dlm_lkb {
         struct list_head        lkb_astqueue;   /* need ast to be sent */
         struct list_head        lkb_ownqueue;   /* list of locks for a process */
         struct list_head        lkb_time_list;
-        ktime_t                 lkb_time_bast;  /* for debugging */
         ktime_t                 lkb_timestamp;
         unsigned long           lkb_timeout_cs;
 
+        struct dlm_callback     lkb_callbacks[DLM_CALLBACKS_SIZE];
+        struct dlm_callback     lkb_last_cast;
+        struct dlm_callback     lkb_last_bast;
+        ktime_t                 lkb_last_cast_time;     /* for debugging */
+        ktime_t                 lkb_last_bast_time;     /* for debugging */
+
         char                    *lkb_lvbptr;
         struct dlm_lksb         *lkb_lksb;      /* caller's status block */
         void                    (*lkb_astfn) (void *astparam);
@@ -544,8 +551,6 @@ struct dlm_user_args {
                                           (dlm_user_proc) on the struct file,
                                           the process's locks point back to it*/
         struct dlm_lksb         lksb;
-        int                     old_mode;
-        int                     update_user_lvb;
         struct dlm_lksb __user  *user_lksb;
         void __user             *castparam;
         void __user             *castaddr;