Hi Ming, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on next-20241107] [cannot apply to linus/master v6.12-rc6] [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/Ming-Lei/io_uring-rsrc-pass-struct-io_ring_ctx-reference-to-rsrc-helpers/20241107-190456 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20241107110149.890530-12-ming.lei%40redhat.com patch subject: [PATCH V10 11/12] io_uring/uring_cmd: support leasing device kernel buffer to io_uring config: arc-randconfig-001-20241108 (https://download.01.org/0day-ci/archive/20241108/202411080218.NHuzJ77W-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241108/202411080218.NHuzJ77W-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202411080218.NHuzJ77W-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from block/fops.c:20: >> include/linux/io_uring/cmd.h:89:1: error: expected identifier or '(' before '{' token 89 | { | ^ >> include/linux/io_uring/cmd.h:87:19: warning: 'io_uring_cmd_lease_kbuf' declared 'static' but never defined [-Wunused-function] 87 | static inline int io_uring_cmd_lease_kbuf(struct io_uring_cmd *ioucmd, | ^~~~~~~~~~~~~~~~~~~~~~~ vim +89 include/linux/io_uring/cmd.h 62 63 int io_uring_cmd_lease_kbuf(struct io_uring_cmd *ioucmd, 64 struct io_rsrc_node *node); 65 #else 66 static inline int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, 67 struct iov_iter *iter, void *ioucmd) 68 { 69 return -EOPNOTSUPP; 70 } 71 static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, 72 ssize_t ret2, unsigned issue_flags) 73 { 74 } 75 static inline void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd, 76 void (*task_work_cb)(struct io_uring_cmd *, unsigned), 77 unsigned flags) 78 { 79 } 80 static inline void io_uring_cmd_mark_cancelable(struct io_uring_cmd *cmd, 81 unsigned int issue_flags) 82 { 83 } 84 static inline void io_uring_cmd_issue_blocking(struct io_uring_cmd *ioucmd) 85 { 86 } > 87 static inline int io_uring_cmd_lease_kbuf(struct io_uring_cmd *ioucmd, 88 struct io_rsrc_node *node); > 89 { 90 return -EOPNOTSUPP; 91 } 92 #endif 93 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki