On Tue, Dec 08, 2020 at 11:59:27AM +0100, Christoph Hellwig wrote: > On Tue, Dec 08, 2020 at 06:29:23PM +0800, Ming Lei wrote: > > > - test_bit(GD_READ_ONLY, &bdev->bd_disk->state); > > > + return bdev->bd_read_only || get_disk_ro(bdev->bd_disk); > > > } > > > EXPORT_SYMBOL(bdev_read_only); > > > > I think this patch should be folded into previous one, otherwise > > bdev_read_only(part) may return false even though ioctl(BLKROSET) > > has been done on the whole disk. > > The above is the existing behavior going back back very far, and I feel > much more comfortable having a small self-contained patch that changes > this behavior. > OK, then looks fine: Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> -- Ming
