Re: [PATCH] io_uring: Optimization of buffered random write

From: kernel test robot <lkp@intel.com>
To: luhongfei <luhongfei@vivo.com>, Jens Axboe <axboe@kernel.dk>,
	Pavel Begunkov <asml.silence@gmail.com>,
	"open list:IO_URING" <io-uring@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	opensource.kernel@vivo.com, luhongfei <luhongfei@vivo.com>
Subject: Re: [PATCH] io_uring: Optimization of buffered random write
Date: Thu, 20 Apr 2023 05:30:07 +0800	[thread overview]
Message-ID: <202304200502.T4Waeqad-lkp@intel.com> (raw)
In-Reply-To: <20230419092233.56338-1-luhongfei@vivo.com>

Hi luhongfei,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.3-rc7 next-20230418]
[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/luhongfei/io_uring-Optimization-of-buffered-random-write/20230419-172539
patch link:    https://lore.kernel.org/r/20230419092233.56338-1-luhongfei%40vivo.com
patch subject: [PATCH] io_uring: Optimization of buffered random write
config: i386-randconfig-a012-20230417 (https://download.01.org/0day-ci/archive/20230420/202304200502.T4Waeqad-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/620dbcc5ab192992f08035fd9d271ffffb8ff043
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review luhongfei/io_uring-Optimization-of-buffered-random-write/20230419-172539
        git checkout 620dbcc5ab192992f08035fd9d271ffffb8ff043
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304200502.T4Waeqad-lkp@intel.com/

All errors (new ones prefixed by >>):

>> io_uring/io_uring.c:2091:25: error: no member named 'rw' in 'struct io_kiocb'
           if (!is_write || (req->rw.kiocb.ki_flags & IOCB_DIRECT))
                             ~~~  ^
   1 error generated.

vim +2091 io_uring/io_uring.c

  2073	
  2074	static inline void io_queue_sqe(struct io_kiocb *req)
  2075		__must_hold(&req->ctx->uring_lock)
  2076	{
  2077		int ret;
  2078		bool is_write;
  2079	
  2080		switch (req->opcode) {
  2081		case IORING_OP_WRITEV:
  2082		case IORING_OP_WRITE_FIXED:
  2083		case IORING_OP_WRITE:
  2084			is_write = true;
  2085			break;
  2086		default:
  2087			is_write = false;
  2088			break;
  2089		}
  2090	
> 2091		if (!is_write || (req->rw.kiocb.ki_flags & IOCB_DIRECT))
  2092			ret = io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_COMPLETE_DEFER);
  2093		else
  2094			ret = io_issue_sqe(req, 0);
  2095	
  2096		/*
  2097		 * We async punt it if the file wasn't marked NOWAIT, or if the file
  2098		 * doesn't support non-blocking read/write attempts
  2099		 */
  2100		if (likely(!ret))
  2101			io_arm_ltimeout(req);
  2102		else
  2103			io_queue_async(req, ret);
  2104	}
  2105	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests