Re: [PATCH 0/4] radix-tree: iterating general cleanup

[Konstantin Khlebnikov]

Christoph Hellwig wrote:
> Any updates on this series?

I had sent "[PATCH v2 0/3] radix-tree: general iterator" February 10, there is no more updates after that.
I just checked v2 on top "next-20120314" -- looks like all ok.

> On Tue, Feb 07, 2012 at 11:54:56AM +0400, Konstantin Khlebnikov wrote:
> > This patchset implements common radix-tree iteration routine and
> > reworks page-cache lookup functions with using it.
> >
> > radix_tree_gang_lookup_*slot() now mostly unused (the last user somethere in
> > drivers/sh/intc/virq.c), but they are exported, we cannot remove them for now.
> >
> > Also there some shmem-related radix-tree hacks can be reworked,
> > radix_tree_locate_item() can be removed. I already have a few extra patches.
> >
> > And as usual my lovely bloat-o-meter:
> >
> > add/remove: 4/3 grow/shrink: 4/4 up/down: 1232/-964 (268)
> > function                                     old     new   delta
> > radix_tree_next_chunk                          -     499    +499
> > static.shmem_find_get_pages_and_swap           -     404    +404
> > find_get_pages_tag                           354     488    +134
> > find_get_pages                               362     438     +76
> > find_get_pages_contig                        345     407     +62
> > __kstrtab_radix_tree_next_chunk                -      22     +22
> > shmem_truncate_range                        1633    1652     +19
> > __ksymtab_radix_tree_next_chunk                -      16     +16
> > radix_tree_gang_lookup_tag_slot              208     180     -28
> > radix_tree_gang_lookup_tag                   247     207     -40
> > radix_tree_gang_lookup_slot                  204     162     -42
> > radix_tree_gang_lookup                       231     160     -71
> > __lookup                                     217       -    -217
> > __lookup_tag                                 242       -    -242
> > shmem_find_get_pages_and_swap                324       -    -324
> >
> > ---
> >
> > Konstantin Khlebnikov (4):
> >        bitops: implement "optimized" __find_next_bit()
> >        radix-tree: introduce bit-optimized iterator
> >        radix-tree: rewrite gang lookup with using iterator
> >        radix-tree: use iterators in find_get_pages* functions
> >
> >
> >   include/asm-generic/bitops/find.h |   36 +++
> >   include/linux/radix-tree.h        |  129 +++++++++++
> >   lib/radix-tree.c                  |  422 +++++++++++++------------------------
> >   mm/filemap.c                      |   75 ++++---
> >   mm/shmem.c                        |   23 +-
> >   5 files changed, 375 insertions(+), 310 deletions(-)
> >
> > --
> > Signature
> >
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