On 11/16/20 3:57 PM, Christoph Hellwig wrote:
When setting the whole device read-only (or clearing the read-only state), also update the policy for all partitions. The s390 dasd driver has awlways been doing this and it makes a lot of sense. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- block/ioctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/ioctl.c b/block/ioctl.c index 6b785181344fe1..22f394d118c302 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -354,7 +354,10 @@ static int blkdev_roset(struct block_device *bdev, fmode_t mode, if (ret) return ret; } - bdev->bd_part->policy = n; + if (bdev_is_partition(bdev)) + bdev->bd_part->policy = n; + else + set_disk_ro(bdev->bd_disk, n); return 0; }
Reviewed-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@xxxxxxx +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
