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Diffstat (limited to 'block/blk-sysfs.c')
-rw-r--r--block/blk-sysfs.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index e7f9f657f10..cf150011d80 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -425,7 +425,7 @@ queue_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
if (!entry->show)
return -EIO;
mutex_lock(&q->sysfs_lock);
- if (test_bit(QUEUE_FLAG_DEAD, &q->queue_flags)) {
+ if (blk_queue_dead(q)) {
mutex_unlock(&q->sysfs_lock);
return -ENOENT;
}
@@ -447,7 +447,7 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr,
q = container_of(kobj, struct request_queue, kobj);
mutex_lock(&q->sysfs_lock);
- if (test_bit(QUEUE_FLAG_DEAD, &q->queue_flags)) {
+ if (blk_queue_dead(q)) {
mutex_unlock(&q->sysfs_lock);
return -ENOENT;
}
@@ -479,8 +479,12 @@ static void blk_release_queue(struct kobject *kobj)
blk_sync_queue(q);
- if (q->elevator)
+ if (q->elevator) {
+ spin_lock_irq(q->queue_lock);
+ ioc_clear_queue(q);
+ spin_unlock_irq(q->queue_lock);
elevator_exit(q->elevator);
+ }
blk_throtl_exit(q);
@@ -494,6 +498,8 @@ static void blk_release_queue(struct kobject *kobj)
blk_trace_shutdown(q);
bdi_destroy(&q->backing_dev_info);
+
+ ida_simple_remove(&blk_queue_ida, q->id);
kmem_cache_free(blk_requestq_cachep, q);
}