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-rw-r--r--block/blk-core.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index d87be5b4e554..40d654861c33 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2957,8 +2957,6 @@ int kblockd_schedule_delayed_work_on(int cpu, struct delayed_work *dwork,
}
EXPORT_SYMBOL(kblockd_schedule_delayed_work_on);
-#define PLUG_MAGIC 0x91827364
-
/**
* blk_start_plug - initialize blk_plug and track it inside the task_struct
* @plug: The &struct blk_plug that needs to be initialized
@@ -2977,7 +2975,6 @@ void blk_start_plug(struct blk_plug *plug)
{
struct task_struct *tsk = current;
- plug->magic = PLUG_MAGIC;
INIT_LIST_HEAD(&plug->list);
INIT_LIST_HEAD(&plug->mq_list);
INIT_LIST_HEAD(&plug->cb_list);
@@ -3074,8 +3071,6 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)
LIST_HEAD(list);
unsigned int depth;
- BUG_ON(plug->magic != PLUG_MAGIC);
-
flush_plug_callbacks(plug, from_schedule);
if (!list_empty(&plug->mq_list))