From: kernel test robot <lkp@intel.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [linux-next:master 7645/8719] include/linux/io_uring/cmd.h:130:1: error: expected identifier or '(' before '{' token
Date: Mon, 15 Sep 2025 16:37:45 +0800 [thread overview]
Message-ID: <202509151616.3I4SZP72-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 590b221ed4256fd6c34d3dea77aa5bd6e741bbc1
commit: 088af5db48959dbe4def44ec832b786ec8e1effe [7645/8719] io_uring/uring_cmd: correct signature for io_uring_mshot_cmd_post_cqe()
config: x86_64-buildonly-randconfig-006-20250915 (https://download.01.org/0day-ci/archive/20250915/202509151616.3I4SZP72-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250915/202509151616.3I4SZP72-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/202509151616.3I4SZP72-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from block/ioctl.c:15:
>> include/linux/io_uring/cmd.h:130:1: error: expected identifier or '(' before '{' token
130 | {
| ^
include/linux/io_uring/cmd.h:128:20: warning: 'io_uring_mshot_cmd_post_cqe' declared 'static' but never defined [-Wunused-function]
128 | static inline bool io_uring_mshot_cmd_post_cqe(struct io_uring_cmd *ioucmd,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +130 include/linux/io_uring/cmd.h
6746ee4c3a189f Pavel Begunkov 2024-09-11 75
620a50c927004f Ming Lei 2025-08-21 76 /*
620a50c927004f Ming Lei 2025-08-21 77 * Select a buffer from the provided buffer group for multishot uring_cmd.
620a50c927004f Ming Lei 2025-08-21 78 * Returns the selected buffer address and size.
620a50c927004f Ming Lei 2025-08-21 79 */
620a50c927004f Ming Lei 2025-08-21 80 struct io_br_sel io_uring_cmd_buffer_select(struct io_uring_cmd *ioucmd,
620a50c927004f Ming Lei 2025-08-21 81 unsigned buf_group, size_t *len,
620a50c927004f Ming Lei 2025-08-21 82 unsigned int issue_flags);
620a50c927004f Ming Lei 2025-08-21 83
620a50c927004f Ming Lei 2025-08-21 84 /*
620a50c927004f Ming Lei 2025-08-21 85 * Complete a multishot uring_cmd event. This will post a CQE to the completion
620a50c927004f Ming Lei 2025-08-21 86 * queue and update the provided buffer.
620a50c927004f Ming Lei 2025-08-21 87 */
620a50c927004f Ming Lei 2025-08-21 88 bool io_uring_mshot_cmd_post_cqe(struct io_uring_cmd *ioucmd,
620a50c927004f Ming Lei 2025-08-21 89 struct io_br_sel *sel, unsigned int issue_flags);
620a50c927004f Ming Lei 2025-08-21 90
b66509b8497f2b Pavel Begunkov 2023-12-01 91 #else
0c542a69cbcd1f Caleb Sander Mateos 2025-02-28 92 static inline int
0c542a69cbcd1f Caleb Sander Mateos 2025-02-28 93 io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
0c542a69cbcd1f Caleb Sander Mateos 2025-02-28 94 struct iov_iter *iter, struct io_uring_cmd *ioucmd,
69d483d5f43e7a Pavel Begunkov 2025-02-24 95 unsigned int issue_flags)
b66509b8497f2b Pavel Begunkov 2023-12-01 96 {
b66509b8497f2b Pavel Begunkov 2023-12-01 97 return -EOPNOTSUPP;
b66509b8497f2b Pavel Begunkov 2023-12-01 98 }
ef490275297267 Pavel Begunkov 2025-03-21 99 static inline int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd,
ef490275297267 Pavel Begunkov 2025-03-21 100 const struct iovec __user *uvec,
ef490275297267 Pavel Begunkov 2025-03-21 101 size_t uvec_segs,
ef490275297267 Pavel Begunkov 2025-03-21 102 int ddir, struct iov_iter *iter,
ef490275297267 Pavel Begunkov 2025-03-21 103 unsigned issue_flags)
ef490275297267 Pavel Begunkov 2025-03-21 104 {
ef490275297267 Pavel Begunkov 2025-03-21 105 return -EOPNOTSUPP;
ef490275297267 Pavel Begunkov 2025-03-21 106 }
dd386b0d5e6155 Caleb Sander Mateos 2025-09-01 107 static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, s32 ret,
a07d2d7930c75e Bernd Schubert 2024-12-03 108 u64 ret2, unsigned issue_flags)
b66509b8497f2b Pavel Begunkov 2023-12-01 109 {
b66509b8497f2b Pavel Begunkov 2023-12-01 110 }
6b04a3737057dd Pavel Begunkov 2023-12-01 111 static inline void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
473efbc3ca29f7 Jens Axboe 2025-09-08 112 io_uring_cmd_tw_t task_work_cb, unsigned flags)
b66509b8497f2b Pavel Begunkov 2023-12-01 113 {
b66509b8497f2b Pavel Begunkov 2023-12-01 114 }
b66509b8497f2b Pavel Begunkov 2023-12-01 115 static inline void io_uring_cmd_mark_cancelable(struct io_uring_cmd *cmd,
b66509b8497f2b Pavel Begunkov 2023-12-01 116 unsigned int issue_flags)
b66509b8497f2b Pavel Begunkov 2023-12-01 117 {
b66509b8497f2b Pavel Begunkov 2023-12-01 118 }
6746ee4c3a189f Pavel Begunkov 2024-09-11 119 static inline void io_uring_cmd_issue_blocking(struct io_uring_cmd *ioucmd)
6746ee4c3a189f Pavel Begunkov 2024-09-11 120 {
6746ee4c3a189f Pavel Begunkov 2024-09-11 121 }
620a50c927004f Ming Lei 2025-08-21 122 static inline struct io_br_sel
620a50c927004f Ming Lei 2025-08-21 123 io_uring_cmd_buffer_select(struct io_uring_cmd *ioucmd, unsigned buf_group,
620a50c927004f Ming Lei 2025-08-21 124 size_t *len, unsigned int issue_flags)
620a50c927004f Ming Lei 2025-08-21 125 {
620a50c927004f Ming Lei 2025-08-21 126 return (struct io_br_sel) { .val = -EOPNOTSUPP };
620a50c927004f Ming Lei 2025-08-21 127 }
620a50c927004f Ming Lei 2025-08-21 128 static inline bool io_uring_mshot_cmd_post_cqe(struct io_uring_cmd *ioucmd,
088af5db48959d Jens Axboe 2025-09-10 129 struct io_br_sel *sel, unsigned int issue_flags);
620a50c927004f Ming Lei 2025-08-21 @130 {
620a50c927004f Ming Lei 2025-08-21 131 return true;
620a50c927004f Ming Lei 2025-08-21 132 }
b66509b8497f2b Pavel Begunkov 2023-12-01 133 #endif
b66509b8497f2b Pavel Begunkov 2023-12-01 134
:::::: The code at line 130 was first introduced by commit
:::::: 620a50c927004f5c9420a7ca9b1a55673dbf3941 io_uring: uring_cmd: add multishot support
:::::: TO: Ming Lei <ming.lei@redhat.com>
:::::: CC: Jens Axboe <axboe@kernel.dk>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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