readahead: data structure and routines
authorFengguang Wu <wfg@mail.ustc.edu.cn>
Thu, 19 Jul 2007 08:47:59 +0000 (01:47 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 19 Jul 2007 17:04:44 +0000 (10:04 -0700)
commit5ce1110b92b31d079aa443e967f43a2294e01194
treeeff95b4c8ede07d0777ca68a30d686d1acbb5c73
parentf615bfca468c9b80ed2d09be5fdbaf470a32c045
readahead: data structure and routines

Extend struct file_ra_state to support the on-demand readahead logic.  Also
define some helpers for it.

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>
include/linux/fs.h
mm/readahead.c