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readahead: remove the old algorithm

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Remove the old readahead algorithm.

Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Steven Pratt <slpratt@austin.ibm.com>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fengguang Wu
2007-07-19 01:48:04 -07:00
committed by Linus Torvalds
parent dc7868fcb9
commit c743d96b6d
3 changed files with 26 additions and 365 deletions
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7
include/linux/mm.h
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@ -1144,13 +1144,6 @@ unsigned long page_cache_readahead_ondemand(struct address_space *mapping,
struct page *page,
pgoff_t offset,
unsigned long size);
unsigned long page_cache_readahead(struct address_space *mapping,
struct file_ra_state *ra,
struct file *filp,
pgoff_t offset,
unsigned long size);
void handle_ra_miss(struct address_space *mapping,
struct file_ra_state *ra, pgoff_t offset);
unsigned long max_sane_readahead(unsigned long nr);
/* Do stack extension */