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-rw-r--r--block/blk-core.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index d768a8ddc17..37fba001bdc 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -436,6 +436,14 @@ void blk_put_queue(struct request_queue *q)
void blk_cleanup_queue(struct request_queue *q)
{
+ /*
+ * We know we have process context here, so we can be a little
+ * cautious and ensure that pending block actions on this device
+ * are done before moving on. Going into this function, we should
+ * not have processes doing IO to this device.
+ */
+ blk_sync_queue(q);
+
mutex_lock(&q->sysfs_lock);
queue_flag_set_unlocked(QUEUE_FLAG_DEAD, q);
mutex_unlock(&q->sysfs_lock);