Re: [PATCH 1/1] rust: block: Fix unsoundness in `Operations::queue_rq`

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

Hi Priya,

kernel test robot noticed the following build errors:

[auto build test ERROR on ah-configfs/configfs-next]
[also build test ERROR on rust/rust-next linus/master v7.3-rc3 next-20260911]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Priya-Bala-Govindasamy/rust-block-Fix-unsoundness-in-Operations-queue_rq/20260914-214701
base:   https://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/configfs.git configfs-next
patch link:    https://lore.kernel.org/r/f515b62bb05e7b6bf0bb06c8fdb362486fea25a8.1789420324.git.pgovind2%40uci.edu
patch subject: [PATCH 1/1] rust: block: Fix unsoundness in  `Operations::queue_rq`
config: loongarch-randconfig-001-20260915 (https://download.01.org/0day-ci/archive/20260915/202609151724.qbLBSoTM-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 148ee2b266b73a49f1f31d0bd17d4818b91bee9f)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260915/202609151724.qbLBSoTM-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/202609151724.qbLBSoTM-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0200]: the trait `rust_doctest_kernel_alloc_allocator_rs_0::kernel::block::mq::Operations` requires an `unsafe impl` declaration
   --> rust/doctests_kernel_generated.rs:4101:1
   |
   4101 | impl Operations for MyBlkDevice {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: the trait `rust_doctest_kernel_alloc_allocator_rs_0::kernel::block::mq::Operations` enforces invariants that the compiler can't check. Review the trait documentation and make sure this implementation upholds those invariants before adding the `unsafe` keyword
   help: add `unsafe` to this trait implementation
   |
   4101 | unsafe impl Operations for MyBlkDevice {
   | ++++++

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki