linux-kernel - [PATCH 0/8] readahead cleanups and interleaved readahead take 2

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Message-Id: <20070721035733.951838089@mail.ustc.edu.cn>
Date:	Sat, 21 Jul 2007 11:57:33 +0800
From:	Fengguang Wu <wfg@...l.ustc.edu.cn>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: [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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