[XFS] kill shouty XFS_ITOV_NULL macro

Replace XFS_ITOV_NULL() with the new VFS_I() inline.

SGI-PV: 981498

SGI-Modid: xfs-linux-melb:xfs-kern:31722a
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

fs/xfs/linux-2.6/xfs_vnode.c

@@ -108,7 +108,7 @@ vn_hold(
  */
 static inline int xfs_icount(struct xfs_inode *ip)
 {
-	bhv_vnode_t *vp = XFS_ITOV_NULL(ip);
+	bhv_vnode_t *vp = VFS_I(ip);
 
 	if (vp)
 		return vn_count(vp);

fs/xfs/quota/xfs_qm_syscalls.c

@@ -1059,7 +1059,7 @@ xfs_qm_dqrele_all_inodes(
 			ip = ip->i_mnext;
 			continue;
 		}
-		vp = XFS_ITOV_NULL(ip);
+		vp = VFS_I(ip);
 		if (!vp) {
 			ASSERT(ip->i_udquot == NULL);
 			ASSERT(ip->i_gdquot == NULL);

fs/xfs/xfs_inode.c

@@ -1077,7 +1077,7 @@ xfs_ialloc(
 	}
 	ASSERT(ip != NULL);
 
-	vp = XFS_ITOV(ip);
+	vp = VFS_I(ip);
 	ip->i_d.di_mode = (__uint16_t)mode;
 	ip->i_d.di_onlink = 0;
 	ip->i_d.di_nlink = nlink;
@@ -3480,7 +3480,7 @@ xfs_iflush_all(
 			continue;
 		}
 
-		vp = XFS_ITOV_NULL(ip);
+		vp = VFS_I(ip);
 		if (!vp) {
 			XFS_MOUNT_IUNLOCK(mp);
 			xfs_finish_reclaim(ip, 0, XFS_IFLUSH_ASYNC);

fs/xfs/xfs_inode.h

@@ -280,7 +280,6 @@ static inline struct inode *VFS_I(struct xfs_inode *ip)
 	return (struct inode *)ip->i_vnode;
 }
 #define	XFS_ITOV(ip)		VFS_I(ip)
-#define	XFS_ITOV_NULL(ip)	VFS_I(ip)
 
 /*
  * i_flags helper functions

fs/xfs/xfs_vfsops.c

@@ -404,7 +404,7 @@ xfs_sync_inodes(
 			continue;
 		}
 
-		vp = XFS_ITOV_NULL(ip);
+		vp = VFS_I(ip);
 
 		/*
 		 * If the vnode is gone then this is being torn down,

fs/xfs/xfs_vnodeops.c

@@ -2933,7 +2933,7 @@ xfs_finish_reclaim(
 	int		sync_mode)
 {
 	xfs_perag_t	*pag = xfs_get_perag(ip->i_mount, ip->i_ino);
-	bhv_vnode_t	*vp = XFS_ITOV_NULL(ip);
+	bhv_vnode_t	*vp = VFS_I(ip);
 
 	if (vp && VN_BAD(vp))
 		goto reclaim;