Re: [PATCH] fuse: Send FORGET over io_uring when ring is ready

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

Hi Li,

kernel test robot noticed the following build errors:

[auto build test ERROR on v7.0-rc6]
[also build test ERROR on linus/master]
[cannot apply to mszeredi-fuse/for-next next-20260403]
[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/Li-Wang/fuse-Send-FORGET-over-io_uring-when-ring-is-ready/20260405-064557
base:   v7.0-rc6
patch link:    https://lore.kernel.org/r/20260401104008.8827-1-liwang%40kylinos.cn
patch subject: [PATCH] fuse: Send FORGET over io_uring when ring is ready
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260405/202604050417.m1KBL3ur-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260405/202604050417.m1KBL3ur-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/202604050417.m1KBL3ur-lkp@intel.com/

All errors (new ones prefixed by >>):

>> fs/fuse/dev.c:731:15: error: no member named 'abort_on_kill' in 'struct fuse_args'
     731 |         if (!d->args.abort_on_kill)
         |              ~~~~~~~ ^
   1 error generated.


vim +731 fs/fuse/dev.c

   677	
   678	/*
   679	 * Send FUSE_FORGET through the io-uring ring when active; same payload as
   680	 * fuse_read_single_forget(), with userspace committing like any other request.
   681	 */
   682	void fuse_io_uring_send_forget(struct fuse_iqueue *fiq,
   683					struct fuse_forget_link *forget)
   684	{
   685		struct fuse_conn *fc = container_of(fiq, struct fuse_conn, iq);
   686		struct fuse_mount *fm;
   687		struct fuse_req *req;
   688		struct fuse_forget_uring_data *d;
   689	
   690		if (!fuse_uring_ready(fc)) {
   691			fuse_dev_queue_forget(fiq, forget);
   692			return;
   693		}
   694	
   695		down_read(&fc->killsb);
   696		if (list_empty(&fc->mounts)) {
   697			up_read(&fc->killsb);
   698			fuse_dev_queue_forget(fiq, forget);
   699			return;
   700		}
   701		fm = list_first_entry(&fc->mounts, struct fuse_mount, fc_entry);
   702		up_read(&fc->killsb);
   703	
   704		d = kmalloc(sizeof(*d), GFP_KERNEL);
   705		if (!d)
   706			goto fallback;
   707	
   708		atomic_inc(&fc->num_waiting);
   709		req = fuse_request_alloc(fm, GFP_KERNEL);
   710		if (!req) {
   711			kfree(d);
   712			fuse_drop_waiting(fc);
   713			goto fallback;
   714		}
   715	
   716		memset(&d->args, 0, sizeof(d->args));
   717		d->inarg.nlookup = forget->forget_one.nlookup;
   718		d->args.opcode = FUSE_FORGET;
   719		d->args.nodeid = forget->forget_one.nodeid;
   720		d->args.in_numargs = 1;
   721		d->args.in_args[0].size = sizeof(d->inarg);
   722		d->args.in_args[0].value = &d->inarg;
   723		d->args.force = true;
   724		d->args.noreply = true;
   725		d->args.end = fuse_forget_uring_free;
   726	
   727		kfree(forget);
   728	
   729		fuse_force_creds(req);
   730		__set_bit(FR_WAITING, &req->flags);
 > 731		if (!d->args.abort_on_kill)
   732			__set_bit(FR_FORCE, &req->flags);
   733		fuse_adjust_compat(fc, &d->args);
   734		fuse_args_to_req(req, &d->args);
   735		req->in.h.len = sizeof(struct fuse_in_header) +
   736			fuse_len_args(req->args->in_numargs,
   737				      (struct fuse_arg *)req->args->in_args);
   738	
   739		fuse_uring_queue_fuse_req(fiq, req);
   740		return;
   741	
   742	fallback:
   743		fuse_dev_queue_forget(fiq, forget);
   744	}
   745	#endif
   746	

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