Merge tag 'configfs-for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/a...

Pull configfs updates from Andreas Hindborg:

 - Switch the configfs rust bindings to use c string literals provided
   by the compiler, rather than a macro

 - A follow up on constifying `configfs_item_operations`, applying the
   change to the configfs sample

* tag 'configfs-for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/linux:
  samples: configfs: Constify struct configfs_item_operations and configfs_group_operations
  rust: configfs: replace `kernel::c_str!` with C-Strings

diff --cc drivers/block/rnull/configfs.rs
index 158f38b,6713a6d..7c2eb5c
--- 1/drivers/block/rnull/configfs.rs
--- 2/drivers/block/rnull/configfs.rs
+++ b/drivers/block/rnull/configfs.rs
@@@ -3,7 -3,7 +3,6 @@@
  use super::{NullBlkDevice, THIS_MODULE};
  use kernel::{
      block::mq::gen_disk::{GenDisk, GenDiskBuilder},
--    c_str,
      configfs::{self, AttributeOperations},
      configfs_attrs,
      fmt::{self, Write as _},