In scsi_disk_release() request queue is frozen for clearing disk->private_data, and there can't be any FS IO issued to this queue, and only private passthrough request will be handled, so force unfreezing queue into atomic mode. Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> --- drivers/scsi/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 0e73c3f2f381..27f04c860f00 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3670,7 +3670,7 @@ static void scsi_disk_release(struct device *dev) * in case multiple processes open a /dev/sd... node concurrently. */ blk_mq_freeze_queue(q); - blk_mq_unfreeze_queue(q); + __blk_mq_unfreeze_queue(q, true); disk->private_data = NULL; put_disk(disk); -- 2.31.1
