Re: [PATCH 1/3] rust: block: introduce `kernel::block::mq` module

[kernel test robot <lkp@intel.com>]

Hi Andreas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on fec50db7033ea478773b159e0e2efb135270e3b7]

url:    https://github.com/intel-lab-lkp/linux/commits/Andreas-Hindborg/rust-block-introduce-kernel-block-mq-module/20240513-024107
base:   fec50db7033ea478773b159e0e2efb135270e3b7
patch link:    https://lore.kernel.org/r/20240512183950.1982353-2-nmi%40metaspace.dk
patch subject: [PATCH 1/3] rust: block: introduce `kernel::block::mq` module
config: x86_64-buildonly-randconfig-004-20240514 (https://download.01.org/0day-ci/archive/20240514/202405140410.Pg9JrkDO-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240514/202405140410.Pg9JrkDO-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405140410.Pg9JrkDO-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: method `to_blk_status` is never used
   --> rust/kernel/error.rs:133:19
   |
   97  | impl Error {
   | ---------- method in this implementation
   ...
   133 |     pub(crate) fn to_blk_status(self) -> bindings::blk_status_t {
   |                   ^^^^^^^^^^^^^
   |
   = note: `#[warn(dead_code)]` on by default

-- 
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