[XFS] Fix assertion in xfs_attr_shortform_remove().

SGI-PV: 960791
SGI-Modid: xfs-linux-melb:xfs-kern:28021a
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

fs/xfs/xfs_attr_leaf.c

@@ -392,7 +392,8 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
 		dp->i_d.di_forkoff = xfs_attr_shortform_bytesfit(dp, totsize);
 		ASSERT(dp->i_d.di_forkoff);
 		ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) || args->addname ||
-			!(mp->m_flags & XFS_MOUNT_ATTR2));
+			!(mp->m_flags & XFS_MOUNT_ATTR2) ||
+			dp->i_d.di_format == XFS_DINODE_FMT_BTREE);
 		dp->i_afp->if_ext_max =
 			XFS_IFORK_ASIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t);
 		dp->i_df.if_ext_max =