[brauner-github:work.coredump.socket 14/18] fs/pidfs.c:594:24: error: incomplete definition of type 'struct coredump_params'

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

tree:   https://github.com/brauner/linux.git work.coredump.socket
head:   d8527ff7eedddbd9827f61df7c80d9870cdc1241
commit: 9f07dff1a3e95ae64112dc44a70939320ba18ceb [14/18] pidfs, coredump: add PIDFD_INFO_COREDUMP
config: powerpc64-randconfig-003-20250506 (https://download.01.org/0day-ci/archive/20250506/202505061732.sTCLwl1W-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250506/202505061732.sTCLwl1W-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/202505061732.sTCLwl1W-lkp@intel.com/

All errors (new ones prefixed by >>):

>> fs/pidfs.c:594:24: error: incomplete definition of type 'struct coredump_params'
     594 |         struct pid *pid = cprm->pid;
         |                           ~~~~^
   include/linux/elf.h:66:8: note: forward declaration of 'struct coredump_params'
      66 | struct coredump_params;
         |        ^
   fs/pidfs.c:607:42: error: incomplete definition of type 'struct coredump_params'
     607 |         coredump_mask = pidfs_coredump_mask(cprm->mm_flags);
         |                                             ~~~~^
   include/linux/elf.h:66:8: note: forward declaration of 'struct coredump_params'
      66 | struct coredump_params;
         |        ^
   2 errors generated.


vim +594 fs/pidfs.c

   591	
   592	void pidfs_coredump(const struct coredump_params *cprm)
   593	{
 > 594		struct pid *pid = cprm->pid;
   595		struct pidfs_exit_info *exit_info;
   596		struct dentry *dentry;
   597		struct inode *inode;
   598		__u32 coredump_mask = 0;
   599	
   600		dentry = stashed_dentry_get(&pid->stashed);
   601		if (WARN_ON_ONCE(!dentry))
   602			return;
   603	
   604		inode = d_inode(dentry);
   605		exit_info = &pidfs_i(inode)->__pei;
   606		/* Note how we were coredumped. */
   607		coredump_mask = pidfs_coredump_mask(cprm->mm_flags);
   608		/* Note that we actually did coredump. */
   609		coredump_mask |= PIDFD_COREDUMPED;
   610		/* If coredumping is set to skip we should never end up here. */
   611		VFS_WARN_ON_ONCE(coredump_mask & PIDFD_COREDUMP_SKIP);
   612		smp_store_release(&exit_info->coredump_mask, coredump_mask);
   613		/* Fwiw, this cannot be the last reference. */
   614		dput(dentry);
   615	}
   616	

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