readahead cleanups and interleaved readahead take 2
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Cover letter [PATCH 0/8] readahead cleanups and interleaved readahead take 2
Linus,
To save you from some merge conflicts, I rebased this readahead patchset to 2.6.22-git5.
The following patches are based on yesterday's discussions, compiled and tested OK.
smaller file_ra_state:
[PATCH 1/8] compacting file_ra_state
[PATCH 2/8] mmap read-around simplification
[PATCH 3/8] combine file_ra_state.prev_index/prev_offset into prev_pos
code cleanups:
[PATCH 4/8] trivial filemap.c cleanups
[PATCH 5/8] remove several readahead macros
[PATCH 6/8] remove the limit max_sectors_kb imposed on max_readahead_kb
support of interleaved reads:
[PATCH 7/8] introduce radix_tree_scan_hole() [PATCH 8/8] 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 | 31 +++++++++--------- mm/readahead.c | 58 +++++++++++++++++++---------------- 10 files changed, 92 insertions(+), 64 deletions(-)
Regards,
Fengguang Wu
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