elevator: use ELV_NAME_MAX instead of magic number 16 for chosen_elevator

Wang Sheng-Hui · Jens Axboe · commit 484fc254b882 · 2011-09-12T08:59:20.000+02:00
We have ELV_NAME_MAX defined to 16, and hence we should use it
instead of the magic nubmer 16 for elevator's name string.

Signed-off-by: Wang Sheng-Hui &lt;shhuiw@gmail.com&gt;
Signed-off-by: Jens Axboe &lt;jaxboe@fusionio.com&gt;
diff --git a/block/elevator.c b/block/elevator.c
@@ -182,7 +182,7 @@ static void elevator_attach(struct request_queue *q, struct elevator_queue *eq,
 	eq->elevator_data = data;
 }
 
-static char chosen_elevator[16];
+static char chosen_elevator[ELV_NAME_MAX];
 
 static int __init elevator_setup(char *str)
 {

Original file line number	Diff line number	Diff line change
`@@ -182,7 +182,7 @@ static void elevator_attach(struct request_queue q, struct elevator_queue eq,`
`182`	`182`	`eq->elevator_data = data;`
`183`	`183`	`}`
`184`	`184`
`185`		`-static char chosen_elevator[16];`
	`185`	`+static char chosen_elevator[ELV_NAME_MAX];`
`186`	`186`
`187`	`187`	`static int __init elevator_setup(char *str)`
`188`	`188`	`{`