From 49033c81845f1bd2a69e53485f20d55a0e7bace5 Mon Sep 17 00:00:00 2001 From: Filipe Date: Wed, 6 Dec 2006 20:36:04 -0800 Subject: [PATCH] [PATCH] io/storage: Documentation update to as-iosched.txt Documentation update, adding references to CFQ scheduler and to another document about selecting IO Schedulers. Signed-off-by: Filipe Lautert Cc: Jens Axboe Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/block/as-iosched.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Documentation/block/as-iosched.txt b/Documentation/block/as-iosched.txt index e2a66f8143c5..a598fe10a297 100644 --- a/Documentation/block/as-iosched.txt +++ b/Documentation/block/as-iosched.txt @@ -24,8 +24,10 @@ very similar behavior to the deadline IO scheduler. Selecting IO schedulers ----------------------- To choose IO schedulers at boot time, use the argument 'elevator=deadline'. -'noop' and 'as' (the default) are also available. IO schedulers are assigned -globally at boot time only presently. +'noop', 'as' and 'cfq' (the default) are also available. IO schedulers are +assigned globally at boot time only presently. It's also possible to change +the IO scheduler for a determined device on the fly, as described in +Documentation/block/switching-sched.txt. Anticipatory IO scheduler Policies