ceph: update for write_inode API change

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 02c0ddc..65d1203 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -11,6 +11,7 @@
 #include <linux/mempool.h>
 #include <linux/pagemap.h>
 #include <linux/wait.h>
+#include <linux/writeback.h>
 
 #include "types.h"
 #include "messenger.h"
@@ -811,7 +812,7 @@
 extern void ceph_put_cap(struct ceph_cap *cap);
 
 extern void ceph_queue_caps_release(struct inode *inode);
-extern int ceph_write_inode(struct inode *inode, int unused);
+extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc);
 extern int ceph_fsync(struct file *file, struct dentry *dentry, int datasync);
 extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 				    struct ceph_mds_session *session);