[XFS] move v_iocount from bhv_vnode to xfs_inode

struct bhv_vnode is on it's way out, so move the I/O count to the XFS
inode.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29497a

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_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 8ed7af3..e7ef78f 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -598,7 +598,7 @@
 		}
 
 		/* wait for all I/O to complete */
-		vn_iowait(vp);
+		vn_iowait(ip);
 
 		if (!code)
 			code = xfs_itruncate_data(ip, vap->va_size);
@@ -3683,7 +3683,7 @@
 		return 0;
 	}
 
-	vn_iowait(vp);
+	vn_iowait(ip);
 
 	ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
 
@@ -4189,7 +4189,7 @@
 		need_iolock = 0;
 	if (need_iolock) {
 		xfs_ilock(ip, XFS_IOLOCK_EXCL);
-		vn_iowait(vp);	/* wait for the completion of any pending DIOs */
+		vn_iowait(ip);	/* wait for the completion of any pending DIOs */
 	}
 
 	rounding = max_t(uint, 1 << mp->m_sb.sb_blocklog, NBPP);