From cb24b2745f92af1fb44318cc72f1a692a69919c6 Mon Sep 17 00:00:00 2001 From: Chester Kener Date: Tue, 25 Feb 2014 10:23:44 -0500 Subject: block: Disable add_random add_random was implemented for spinning hard disks. It only slows SSDs down. Read here http://wiki.samat.org/SSD for more info. Signed-off-by: Chester Kener Signed-off-by: engstk --- include/linux/blkdev.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 2e9fc2b42..19d64d2ad 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -557,7 +557,7 @@ struct request_queue { #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ (1 << QUEUE_FLAG_SAME_COMP) | \ - (1 << QUEUE_FLAG_ADD_RANDOM)) + (0 << QUEUE_FLAG_ADD_RANDOM)) static inline void queue_lockdep_assert_held(struct request_queue *q) { -- cgit v1.2.3