]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
readahead: record mmap read-around states in file_ra_state
authorWu Fengguang <fengguang.wu@intel.com>
Tue, 16 Jun 2009 22:31:30 +0000 (15:31 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 17 Jun 2009 02:47:29 +0000 (19:47 -0700)
commitd30a11004e3411909f2448546f036a011978062e
treec1980adb410d9fabd2c2eb8af9f0ed8ee4b656da
parent2fad6f5deee5556f511eab58da78737a23ddb35d
readahead: record mmap read-around states in file_ra_state

Mmap read-around now shares the same code style and data structure with
readahead code.

This also removes do_page_cache_readahead().  Its last user, mmap
read-around, has been changed to call ra_submit().

The no-readahead-if-congested logic is dumped by the way.  Users will be
pretty sensitive about the slow loading of executables.  So it's
unfavorable to disabled mmap read-around on a congested queue.

[akpm@linux-foundation.org: coding-style fixes]
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/mm.h
mm/filemap.c
mm/readahead.c