APPLIED: [SRU][M, J][PATCH 0/1] partproke is broken on empty loopback device

[Roxana Nicolescu]

On 31-01-2024 13:43, Roxana Nicolescu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2049689
>
> SRU Justification:
>
> [Impact]
>
> * BLKPG_DEL_PARTITION on an empty loopback device used to return ENXIO
> but now returns EINVAL, breaking partprobe due to commit
> "block: don't add or resize partition on the disk with GENHD_FL_NO_PART"
> introduced in mantic 6.5.0-17 and jammy 5.15.0-94.
>
> [Fix]
>
> * backport commit
> "block: Move checking GENHD_FL_NO_PART to bdev_add_partition()"
>
> [Test Plan]
>
> * dd if=/dev/zero of=/tmp/foo bs=1M count=50
> * partprobe $(losetup --find --show /tmp/foo)
> Before the fix this fails.
> After the fix it should work.
>
> [Where problems could occur]
>
> * We may see issues on disk partitions operations.
>
> Li Lingfeng (1):
>    block: Move checking GENHD_FL_NO_PART to bdev_add_partition()
>
>   block/ioctl.c           | 2 --
>   block/partitions/core.c | 5 +++++
>   2 files changed, 5 insertions(+), 2 deletions(-)
>
Applied to mantic, jammy master-next branches. Thanks!