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Commit 49033c81 authored by Filipe Lautert's avatar Filipe Lautert Committed by Linus Torvalds
Browse files

[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: default avatarFilipe Lautert <filipe@icewall.org>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 593be07a

Documentation/block/as-iosched.txt

+4 −2
Original line number Diff line number Diff line
@@ -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