Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-27 05:11:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

[PATCH] block layer: elv_iosched_show should get elv_list_lock

Browse Source 
elv_iosched_show function iterates other elv_list, hence
elv_list_lock should be got.

Signed-off-by: Vasily Tarasov <vtaras@openvz.org>
Signed-off-by: Vasily Tarasov <jens.axboe@oracle.com>
This commit is contained in:
Vasily Tarasov 2006-10-11 13:26:30 +02:00 committed by Jens Axboe
parent e6e80f294c
commit c584164224
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
block/elevator.c
View File

@ -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;