Re: [PATCH 09/30] mtd_blkdevs: use blk_mq_alloc_disk
From: Christoph Hellwig <hch@lst.de>
Date: 2021-06-15 15:59:05
Also in:
ceph-devel, dm-devel, linux-block, linux-mmc, linux-s390, virtualization, xen-devel
Subsystem:
memory technology devices (mtd), the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
On Tue, Jun 15, 2021 at 05:47:44PM +0200, Marek Szyprowski wrote:
Hi, On 02.06.2021 08:53, Christoph Hellwig wrote:quoted
Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue allocation. Signed-off-by: Christoph Hellwig <hch@lst.de>This patch landed in linux-next as commit 6966bb921def ("mtd_blkdevs: use blk_mq_alloc_disk"). It causes the following regression on my QEMU arm64 setup:
Please try the patch below:
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 5dc4c966ea73..6ce4bc57f919 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c@@ -382,6 +382,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) } new->disk = gd; + new->rq = new->disk->queue; gd->private_data = new; gd->major = tr->major; gd->first_minor = (new->devnum) << tr->part_bits;