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Subject[patch 06/12] elevator=as back-compatibility
2.6.15.2 -stable review patch.  If anyone has any objections, please let 
us know.

------------------
From: Chuck Ebbert <76306.1226@compuserve.com>

As of 2.6.15 you need to use "anticipatory" instead of "as". Fix that up
so that `elevator=as' still works.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
block/elevator.c | 7 +++++++
1 file changed, 7 insertions(+)
--- linux-2.6.15.1.orig/block/elevator.c
+++ linux-2.6.15.1/block/elevator.c
@@ -150,6 +150,13 @@ static void elevator_setup_default(void)
if (!chosen_elevator[0])
strcpy(chosen_elevator, CONFIG_DEFAULT_IOSCHED);

+ /*
+ * Be backwards-compatible with previous kernels, so users
+ * won't get the wrong elevator.
+ */
+ if (!strcmp(chosen_elevator, "as"))
+ strcpy(chosen_elevator, "anticipatory");
+
/*
* If the given scheduler is not available, fall back to no-op.
*/
--
-
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