sched: Prevent balance_push() on remote runqueues

[linux-2.6-microblaze.git] / block / blk-iocost.c

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 5fac375..0e56557 100644 (file)
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3061,19 +3061,19 @@ static ssize_t ioc_weight_write(struct kernfs_open_file *of, char *buf,
                if (v < CGROUP_WEIGHT_MIN || v > CGROUP_WEIGHT_MAX)
                        return -EINVAL;
 
-               spin_lock(&blkcg->lock);
+               spin_lock_irq(&blkcg->lock);
                iocc->dfl_weight = v * WEIGHT_ONE;
                hlist_for_each_entry(blkg, &blkcg->blkg_list, blkcg_node) {
                        struct ioc_gq *iocg = blkg_to_iocg(blkg);
 
                        if (iocg) {
-                               spin_lock_irq(&iocg->ioc->lock);
+                               spin_lock(&iocg->ioc->lock);
                                ioc_now(iocg->ioc, &now);
                                weight_updated(iocg, &now);
-                               spin_unlock_irq(&iocg->ioc->lock);
+                               spin_unlock(&iocg->ioc->lock);
                        }
                }
-               spin_unlock(&blkcg->lock);
+               spin_unlock_irq(&blkcg->lock);
 
                return nbytes;
        }