Re: [RFC PATCH 4/8] rust: kernel: add some info handler TargetOperations

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

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20230625121657.3631109-5-changxian.cqs@antgroup.com>
References: <20230625121657.3631109-5-changxian.cqs@antgroup.com>
TO: Qingsong Chen <changxian.cqs@antgroup.com>

Hi Qingsong,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on rust/rust-next]
[also build test ERROR on linus/master v6.4-rc7 next-20230623]
[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/Qingsong-Chen/rust-kernel-add-basic-abstractions-for-device-mapper/20230625-201850
base:   https://github.com/Rust-for-Linux/linux rust-next
patch link:    https://lore.kernel.org/r/20230625121657.3631109-5-changxian.cqs%40antgroup.com
patch subject: [RFC PATCH 4/8] rust: kernel: add some info handler TargetOperations
:::::: branch date: 5 hours ago
:::::: commit date: 5 hours ago
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20230626/202306260130.wbYhOWAt-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230626/202306260130.wbYhOWAt-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/r/202306260130.wbYhOWAt-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0308]: mismatched types
   --> rust/kernel/device_mapper.rs:145:34
   |
   145 |               (*$tt).$filed = Some(TargetType::$func::<T>);
   |                               ---- ^^^^^^^^^^^^^^^^^^^^^^ incorrect number of function parameters
   |                               |
   |                               arguments to this enum variant are incorrect
   ...
   170 | /                 check_target_operations!(
   171 | |                     tt,
   172 | |                     (HAS_CTR, ctr, dm_ctr_fn),
   173 | |                     (HAS_DTR, dtr, dm_dtr_fn),
   ...   |
   195 | |                     (HAS_REPORT_ZONES, report_zones, dm_report_zones_fn),
   196 | |                 );
   | |_________________- in this macro invocation
   |
   = note: expected fn pointer `unsafe extern "C" fn(*mut bindings::dm_target) -> _`
   found fn item `unsafe extern "C" fn(*mut bindings::dm_target, *mut bindings::dm_report_zones_args, u32) -> _ {device_mapper::TargetType::dm_report_zones_fn::<T>}`
   help: the type constructed contains `unsafe extern "C" fn(*mut bindings::dm_target, *mut bindings::dm_report_zones_args, u32) -> i32 {device_mapper::TargetType::dm_report_zones_fn::<T>}` due to the type of the argument passed
   --> rust/kernel/device_mapper.rs:145:29
   |
   145 |               (*$tt).$filed = Some(TargetType::$func::<T>);
   |                               ^^^^^----------------------^
   |                                    |
   |                                    this argument influences the type of `Some`
   ...
   170 | /                 check_target_operations!(
   171 | |                     tt,
   172 | |                     (HAS_CTR, ctr, dm_ctr_fn),
   173 | |                     (HAS_DTR, dtr, dm_dtr_fn),
   ...   |
   195 | |                     (HAS_REPORT_ZONES, report_zones, dm_report_zones_fn),
   196 | |                 );
   | |_________________- in this macro invocation
   note: tuple variant defined here
   --> /opt/cross/rustc-1.68.2-bindgen-0.56.0/rustup/toolchains/1.68.2-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:570:5
   |
   570 |     Some(#[stable(feature = "rust1", since = "1.0.0")] T),
   |     ^^^^
   = note: this error originates in the macro `check_target_operations` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0609]: no field `next_sector` on type `bindings::dm_report_zones_args`
   --> rust/kernel/device_mapper.rs:657:34
   |
   657 |         unsafe { (*self.0.get()).next_sector as _ }
   |                                  ^^^^^^^^^^^ unknown field
--
>> error: aborting due to 2 previous errors

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