ocfs2: Attach the connection to the lksb

We're going to want it in the ast functions, so we convert union
ocfs2_dlm_lksb to struct ocfs2_dlm_lksb and let it carry the connection.

Signed-off-by: Joel Becker <joel.becker@oracle.com>

1 files changed, 23 insertions, 19 deletions

diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h
index d699117fb851..bb32926912ba 100644
--- a/fs/ocfs2/stackglue.h
+++ b/fs/ocfs2/stackglue.h
@@ -70,10 +70,14 @@ struct fsdlm_lksb_plus_lvb {
  * size of the union is known.  Lock status structures are embedded in
  * ocfs2 inodes.
  */
-union ocfs2_dlm_lksb {
-        struct dlm_lockstatus lksb_o2dlm;
-        struct dlm_lksb lksb_fsdlm;
-        struct fsdlm_lksb_plus_lvb padding;
+struct ocfs2_cluster_connection;
+struct ocfs2_dlm_lksb {
+         union {
+                 struct dlm_lockstatus lksb_o2dlm;
+                 struct dlm_lksb lksb_fsdlm;
+                 struct fsdlm_lksb_plus_lvb padding;
+         };
+         struct ocfs2_cluster_connection *lksb_conn;
 };
 
 /*
@@ -81,9 +85,9 @@ union ocfs2_dlm_lksb {
  */
 struct ocfs2_locking_protocol {
         struct ocfs2_protocol_version lp_max_version;
-        void (*lp_lock_ast)(union ocfs2_dlm_lksb *lksb);
-        void (*lp_blocking_ast)(union ocfs2_dlm_lksb *lksb, int level);
-        void (*lp_unlock_ast)(union ocfs2_dlm_lksb *lksb, int error);
+        void (*lp_lock_ast)(struct ocfs2_dlm_lksb *lksb);
+        void (*lp_blocking_ast)(struct ocfs2_dlm_lksb *lksb, int level);
+        void (*lp_unlock_ast)(struct ocfs2_dlm_lksb *lksb, int error);
 };
 
 
@@ -161,7 +165,7 @@ struct ocfs2_stack_operations {
          */
         int (*dlm_lock)(struct ocfs2_cluster_connection *conn,
                         int mode,
-                        union ocfs2_dlm_lksb *lksb,
+                        struct ocfs2_dlm_lksb *lksb,
                         u32 flags,
                         void *name,
                         unsigned int namelen);
@@ -176,7 +180,7 @@ struct ocfs2_stack_operations {
          * function.  The caller can use this to find their object.
          */
         int (*dlm_unlock)(struct ocfs2_cluster_connection *conn,
-                          union ocfs2_dlm_lksb *lksb,
+                          struct ocfs2_dlm_lksb *lksb,
                           u32 flags);
 
         /*
@@ -185,17 +189,17 @@ struct ocfs2_stack_operations {
          * callback pulls out the stack-specific lksb, converts the status
          * to a proper errno, and returns it.
          */
-        int (*lock_status)(union ocfs2_dlm_lksb *lksb);
+        int (*lock_status)(struct ocfs2_dlm_lksb *lksb);
 
         /*
          * Return non-zero if the LVB is valid.
          */
-        int (*lvb_valid)(union ocfs2_dlm_lksb *lksb);
+        int (*lvb_valid)(struct ocfs2_dlm_lksb *lksb);
 
         /*
          * Pull the lvb pointer off of the stack-specific lksb.
          */
-        void *(*lock_lvb)(union ocfs2_dlm_lksb *lksb);
+        void *(*lock_lvb)(struct ocfs2_dlm_lksb *lksb);
 
         /*
          * Cluster-aware posix locks
@@ -212,7 +216,7 @@ struct ocfs2_stack_operations {
          * This is an optoinal debugging hook.  If provided, the
          * stack can dump debugging information about this lock.
          */
-        void (*dump_lksb)(union ocfs2_dlm_lksb *lksb);
+        void (*dump_lksb)(struct ocfs2_dlm_lksb *lksb);
 };
 
 /*
@@ -248,18 +252,18 @@ int ocfs2_cluster_this_node(unsigned int *node);
 struct ocfs2_lock_res;
 int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn,
                    int mode,
-                   union ocfs2_dlm_lksb *lksb,
+                   struct ocfs2_dlm_lksb *lksb,
                    u32 flags,
                    void *name,
                    unsigned int namelen);
 int ocfs2_dlm_unlock(struct ocfs2_cluster_connection *conn,
-                     union ocfs2_dlm_lksb *lksb,
+                     struct ocfs2_dlm_lksb *lksb,
                      u32 flags);
 
-int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb);
-int ocfs2_dlm_lvb_valid(union ocfs2_dlm_lksb *lksb);
-void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb);
-void ocfs2_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb);
+int ocfs2_dlm_lock_status(struct ocfs2_dlm_lksb *lksb);
+int ocfs2_dlm_lvb_valid(struct ocfs2_dlm_lksb *lksb);
+void *ocfs2_dlm_lvb(struct ocfs2_dlm_lksb *lksb);
+void ocfs2_dlm_dump_lksb(struct ocfs2_dlm_lksb *lksb);
 
 int ocfs2_stack_supports_plocks(void);
 int ocfs2_plock(struct ocfs2_cluster_connection *conn, u64 ino,