[PATCH] mtd_blkdevs: don't scan partitions for plain mtdblock

[Christoph Hellwig]

On Fri, Dec 10, 2021 at 11:52:26AM -0700, Jens Axboe wrote:
> > Fixes: 1ebe2e5f9d68e94c ("block: remove GENHD_FL_EXT_DEVT")
> > Reported-by: Geert Uytterhoeven <geert+renesas at glider.be>
> > Signed-off-by: Christoph Hellwig <hch at lst.de>
> > Tested-by: Geert Uytterhoeven <geert+renesas at glider.be>

> Not sure why I didn't spot this until now, but:
> 
> drivers/mtd/mtd_blkdevs.c: In function ‘add_mtd_blktrans_dev’:
> drivers/mtd/mtd_blkdevs.c:362:30: error: ‘GENHD_FL_NO_PART’ undeclared (first use in this function); did you mean ‘GENHD_FL_NO_PART_SCAN’?
>   362 |                 gd->flags |= GENHD_FL_NO_PART;
>       |                              ^~~~~~~~~~~~~~~~
>       |                              GENHD_FL_NO_PART_SCAN
> drivers/mtd/mtd_blkdevs.c:362:30: note: each undeclared identifier is reported only once for each function it appears in
> 
> Hmm?
> 
> I'm going to revert this one for now, not sure how it could've been
> tested in this form.

It was tested in a tree that also contains the commit identified by the
Fixed tag, which is in the for-next tree but not the block-5.16 one.