On Tue, Jun 15, 2021 at 05:47:44PM +0200, Marek Szyprowski wrote:
> Hi,
>
> On 02.06.2021 08:53, Christoph Hellwig wrote:
> > Use the blk_mq_alloc_disk API to simplify the gendisk and request_queue
> > allocation.
> >
> > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>
> 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;
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