On Wed, Nov 16, 2022 at 09:56:37PM -0800, Christoph Hellwig wrote: > On Thu, Nov 17, 2022 at 12:44:40AM +0000, Daniel Golle wrote: > > Add function bdev_add_partition_ro() which can be used by drivers to > > register named read-only partitions on a disk device. > > Unlike the existing bdev_add_partition() function, there is also no > > check for overlapping partitions. > > This new function is going to be used by the uImage.FIT parser. > > Err, no. No on has any business adding partitions to the block device > except for the partition parser. Well, there is a user-space ioctl for this as well[1], just that won't set the partition to read-only and also doesn't allow naming it... [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/block/ioctl.c#n40