* [axboe-block:for-6.9/io_uring 2/26] io_uring/filetable.h:66:35: sparse: sparse: restricted io_req_flags_t degrades to integer
@ 2024-02-10 18:36 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-02-10 18:36 UTC (permalink / raw
To: Jens Axboe; +Cc: oe-kbuild-all
Hi Jens,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-6.9/io_uring
head: ef1186c1a875bfa8a8cbfc2a9670b14b082187a9
commit: 4bcb982cce74e18155fba0d97394ca9634e0d8f0 [2/26] io_uring: expand main struct io_kiocb flags to 64-bits
config: x86_64-randconfig-122-20240210 (https://download.01.org/0day-ci/archive/20240211/202402110232.mLmSk8Vy-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240211/202402110232.mLmSk8Vy-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/202402110232.mLmSk8Vy-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
io_uring/rsrc.c: note: in included file (through io_uring/io_uring.h):
include/linux/io_uring_types.h:341:48: sparse: sparse: array of flexible structures
io_uring/rsrc.c: note: in included file (through include/linux/wait.h, include/linux/wait_bit.h, include/linux/fs.h):
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
io_uring/rsrc.c: note: in included file (through io_uring/io_uring.h):
>> io_uring/filetable.h:66:35: sparse: sparse: restricted io_req_flags_t degrades to integer
io_uring/rsrc.c: note: in included file (through include/linux/wait.h, include/linux/wait_bit.h, include/linux/fs.h):
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
io_uring/rsrc.c: note: in included file (through io_uring/io_uring.h):
>> io_uring/filetable.h:66:35: sparse: sparse: restricted io_req_flags_t degrades to integer
--
io_uring/filetable.c: note: in included file (through io_uring/io_uring.h):
include/linux/io_uring_types.h:341:48: sparse: sparse: array of flexible structures
io_uring/filetable.c: note: in included file (through io_uring/io_uring.h):
>> io_uring/filetable.h:66:35: sparse: sparse: restricted io_req_flags_t degrades to integer
vim +66 io_uring/filetable.h
4bfb0c9af832a1 Christoph Hellwig 2023-06-20 61
a4ad4f748ea962 Jens Axboe 2022-05-25 62 static inline void io_fixed_file_set(struct io_fixed_file *file_slot,
a4ad4f748ea962 Jens Axboe 2022-05-25 63 struct file *file)
a4ad4f748ea962 Jens Axboe 2022-05-25 64 {
8487f083c6ff6e Christoph Hellwig 2023-06-20 65 file_slot->file_ptr = (unsigned long)file |
8487f083c6ff6e Christoph Hellwig 2023-06-20 @66 (io_file_get_flags(file) >> REQ_F_SUPPORT_NOWAIT_BIT);
a4ad4f748ea962 Jens Axboe 2022-05-25 67 }
a4ad4f748ea962 Jens Axboe 2022-05-25 68
:::::: The code at line 66 was first introduced by commit
:::::: 8487f083c6ff6e02b2ec14f22ef2b0079a1b6425 io_uring: return REQ_F_ flags from io_file_get_flags
:::::: TO: Christoph Hellwig <hch@lst.de>
:::::: CC: Jens Axboe <axboe@kernel.dk>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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