ocfs2: Create the lock status block union.
Wrap the lock status block (lksb) in a union. Later we will add a union
element for the fs/dlm lksb. Create accessors for the status and lvb
fields.
Other than a debugging function, dlmglue.c does not directly reference
the o2dlm locking path anymore.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h
index 8ebcfba..3c91e24 100644
--- a/fs/ocfs2/stackglue.h
+++ b/fs/ocfs2/stackglue.h
@@ -40,18 +40,25 @@
void (*lp_unlock_ast)(void *astarg, int error);
};
+union ocfs2_dlm_lksb {
+ struct dlm_lockstatus lksb_o2dlm;
+};
+
int ocfs2_dlm_lock(struct dlm_ctxt *dlm,
int mode,
- struct dlm_lockstatus *lksb,
+ union ocfs2_dlm_lksb *lksb,
u32 flags,
void *name,
unsigned int namelen,
void *astarg);
int ocfs2_dlm_unlock(struct dlm_ctxt *dlm,
- struct dlm_lockstatus *lksb,
+ union ocfs2_dlm_lksb *lksb,
u32 flags,
void *astarg);
+int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb);
+void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb);
+
void o2cb_get_stack(struct ocfs2_locking_protocol *proto);
void o2cb_put_stack(void);