From 3d3c2379feb177a5fd55bb0ed76776dc9d4f3243 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 14 Dec 2011 00:33:42 +0100 Subject: block, cfq: move icq cache management to block core Let elevators set ->icq_size and ->icq_align in elevator_type and elv_register() and elv_unregister() respectively create and destroy kmem_cache for icq. * elv_register() now can return failure. All callers updated. * icq caches are automatically named "ELVNAME_io_cq". * cfq_slab_setup/kill() are collapsed into cfq_init/exit(). * While at it, minor indentation change for iosched_cfq.elevator_name for consistency. This will help moving icq management to block core. This doesn't introduce any functional change. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/deadline-iosched.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'block/deadline-iosched.c') diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c index c644137d9cd6..7bf12d793fcd 100644 --- a/block/deadline-iosched.c +++ b/block/deadline-iosched.c @@ -448,9 +448,7 @@ static struct elevator_type iosched_deadline = { static int __init deadline_init(void) { - elv_register(&iosched_deadline); - - return 0; + return elv_register(&iosched_deadline); } static void __exit deadline_exit(void) -- cgit v1.2.3-59-g8ed1b