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    Subject[PATCH 0/7] readahead cleanups and interleaved readahead take 3
    Andrew,

    The following patches are based on yesterday's discussions, compiled and
    tested OK:

    smaller file_ra_state:
    [PATCH 1/7] readahead: compacting file_ra_state
    [PATCH 2/7] readahead: mmap read-around simplification
    [PATCH 3/7] readahead: combine file_ra_state.prev_index/prev_offset into prev_

    code cleanups:
    [PATCH 4/7] readahead: remove several readahead macros
    [PATCH 5/7] readahead: remove the limit max_sectors_kb imposed on max_readahead_kb

    support of interleaved reads:
    [PATCH 6/7] radixtree: introduce radix_tree_scan_hole()
    [PATCH 7/7] readahead: basic support of interleaved reads

    The diffstat is

    block/ll_rw_blk.c | 9 -----
    fs/ext3/dir.c | 2 -
    fs/ext4/dir.c | 2 -
    fs/splice.c | 2 -
    include/linux/fs.h | 14 +++-----
    include/linux/mm.h | 2 -
    include/linux/radix-tree.h | 2 +
    lib/radix-tree.c | 34 ++++++++++++++++++++
    mm/filemap.c | 17 +++++-----
    mm/readahead.c | 58 +++++++++++++++++++----------------
    10 files changed, 86 insertions(+), 56 deletions(-)

    Regards,
    Fengguang Wu
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