From c5841642242e9ae817275e09b36b298456dc17d2 Mon Sep 17 00:00:00 2001 From: Vasily Tarasov Date: Wed, 11 Oct 2006 13:26:30 +0200 Subject: [PATCH] [PATCH] block layer: elv_iosched_show should get elv_list_lock elv_iosched_show function iterates other elv_list, hence elv_list_lock should be got. Signed-off-by: Vasily Tarasov Signed-off-by: Vasily Tarasov --- block/elevator.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index d8030a84773a..8ccd163254b8 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -1085,7 +1085,7 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name) struct list_head *entry; int len = 0; - spin_lock_irq(q->queue_lock); + spin_lock_irq(&elv_list_lock); list_for_each(entry, &elv_list) { struct elevator_type *__e; @@ -1095,7 +1095,7 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name) else len += sprintf(name+len, "%s ", __e->elevator_name); } - spin_unlock_irq(q->queue_lock); + spin_unlock_irq(&elv_list_lock); len += sprintf(len+name, "\n"); return len;