Messages in this thread Patch in this message | | | Date | Fri, 3 Dec 2021 07:57:26 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH/RFC -nxt] mtd_blkdevs: Set GENHD_FL_NO_PART |
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I think we need the patch below to restore the old behavior where a partitions scan happens only for those sub-drivers that do report a partition shift.
MTD maintainers: is this intentional that raw mtdblock does not support partitions, but the various "FTL" modules do?
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 113f86df76038..57a22d2ebaeca 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -345,6 +345,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) gd->first_minor = (new->devnum) << tr->part_bits; gd->minors = 1 << tr->part_bits; gd->fops = &mtd_block_ops; + if (!tr->part_bits) + gd->flags |= GENHD_FL_NO_PART; if (tr->part_bits) if (new->devnum < 26)
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