On Tue, 2020-02-25 at 10:07 -0800, Christoph Hellwig wrote: > I think we code do this a tad more cleaner, something like: > > diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c > index 875e04f82541..542a4edfcf54 100644 > --- a/fs/xfs/libxfs/xfs_da_btree.c > +++ b/fs/xfs/libxfs/xfs_da_btree.c > @@ -1986,7 +1986,8 @@ xfs_da3_path_shift( > ASSERT(path != NULL); > ASSERT((path->active > 0) && (path->active < XFS_DA_NODE_MAXDEPTH)); > level = (path->active-1) - 1; /* skip bottom layer in path */ > - for (blk = &path->blk[level]; level >= 0; blk--, level--) { > + for ( ; level >= 0; level--) { > + blk = &path->blk[level]; > xfs_da3_node_hdr_from_disk(dp->i_mount, &nodehdr, > blk->bp->b_addr); > Yes, indeed. I'll send a v2 until Darrick is still not convinced that "path->active == 1" could reach here?