[XFS] kill struct bhv_vfs

Now that struct bhv_vfs doesn't have any members left we can kill it and
go directly from the super_block to the xfs_mount everywhere.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29509a

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_fsops.c b/fs/xfs/xfs_fsops.c
index 3d27909..94bd9f2 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -174,7 +174,7 @@
 		memset(&mp->m_perag[oagcount], 0,
 			(nagcount - oagcount) * sizeof(xfs_perag_t));
 		mp->m_flags |= XFS_MOUNT_32BITINODES;
-		nagimax = xfs_initialize_perag(XFS_MTOVFS(mp), mp, nagcount);
+		nagimax = xfs_initialize_perag(mp, nagcount);
 		up_write(&mp->m_peraglock);
 	}
 	tp = xfs_trans_alloc(mp, XFS_TRANS_GROWFS);
@@ -626,8 +626,7 @@
 {
 	switch (inflags) {
 	case XFS_FSOP_GOING_FLAGS_DEFAULT: {
-		struct bhv_vfs *vfsp = XFS_MTOVFS(mp);
-		struct super_block *sb = freeze_bdev(vfsp->vfs_super->s_bdev);
+		struct super_block *sb = freeze_bdev(mp->m_super->s_bdev);
 
 		if (sb && !IS_ERR(sb)) {
 			xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);