[GFS2] Remove unused field in struct gfs2_inode

Removes a field that is not used.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 5662ff9..e53da7d 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -274,7 +274,6 @@
 
 	spinlock_t i_spin;
 	struct rw_semaphore i_rw_mutex;
-	unsigned long i_last_pfault;
 };
 
 /*
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index 950f314..5e52421 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -487,7 +487,6 @@
 	if (ip) {
 		ip->i_flags = 0;
 		ip->i_gl = NULL;
-		ip->i_last_pfault = jiffies;
 	}
 	return &ip->i_inode;
 }