diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/block/elevator.c b/block/elevator.c index 66343d6917d0..6a343e8f8319 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -913,22 +913,6 @@ EXPORT_SYMBOL_GPL(elv_register); void elv_unregister(struct elevator_type *e) { - struct task_struct *g, *p; - - /* - * Iterate every thread in the process to remove the io contexts. - */ - if (e->ops.trim) { - read_lock(&tasklist_lock); - do_each_thread(g, p) { - task_lock(p); - if (p->io_context) - e->ops.trim(p->io_context); - task_unlock(p); - } while_each_thread(g, p); - read_unlock(&tasklist_lock); - } - spin_lock(&elv_list_lock); list_del_init(&e->list); spin_unlock(&elv_list_lock); |