[PATCH 0/6] readahead cleanups and interleaved readahead

[Fengguang Wu <wfg@mail.ustc.edu.cn>]

Andrew,

The following readahead updates have been tested and should be OK for 2.6.23 :-)

smaller file_ra_state:
   [PATCH 1/6] compacting file_ra_state
   [PATCH 2/6] mmap read-around simplification

code cleanups:
   [PATCH 3/6] remove several readahead macros
   [PATCH 4/6] remove the limit max_sectors_kb imposed on max_readahead_kb

support of interleaved reads:
   [PATCH 5/6] introduce radix_tree_scan_hole()
   [PATCH 6/6] basic support of interleaved reads


The diffstat is

 block/ll_rw_blk.c          |    9 ------
 include/linux/fs.h         |   13 ++++-----
 include/linux/mm.h         |    2 -
 include/linux/radix-tree.h |    2 +
 lib/radix-tree.c           |   34 ++++++++++++++++++++++++
 mm/filemap.c               |    6 ++--
 mm/readahead.c             |   48 +++++++++++++++++++----------------
 7 files changed, 72 insertions(+), 42 deletions(-)


Regards,
Fengguang Wu
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