[XFS] kill the v_number member in struct bhv_vnode

It's entirely unused except for ignored arguments in the mrlock
initialization, so remove it.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29499a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 001cec7..03f32c6 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -421,8 +421,8 @@
 	bhv_vnode_t	*vp)
 {
 	mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER,
-		     "xfsino", (long)vp->v_number);
-	mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", vp->v_number);
+		     "xfsino", ip->i_ino);
+	mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino);
 	init_waitqueue_head(&ip->i_ipin_wait);
 	atomic_set(&ip->i_pincount, 0);
 	initnsema(&ip->i_flock, 1, "xfsfino");