On Wed, Feb 28 2024 at 7:54P -0500, Fan Wu <wufan@xxxxxxxxxxxxxxxxxxx> wrote: > The device-mapper has a flag to mark targets as singleton, which is a > required flag for immutable targets. Without this flag, multiple > dm-verity targets can be added to a mapped device, which has no > practical use cases. Also from dm_table_get_immutable_target(), > it documented that "Immutable target is implicitly a singleton". > > This patch adds the missing flag, restricting only one > dm-verity target per mapped device. > > Signed-off-by: Fan Wu <wufan@xxxxxxxxxxxxxxxxxxx> FYI, I have picked this one up and staged it in dm-6.9 and linux-next: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-6.9&id=9356fcfe0ac4a8545f9fc32f2e404524e1115ee6 Mike
