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From: kernel test robot <lkp@intel.com>
To: Chao Yu <yuchao0@huawei.com>, Chao Yu <chao@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	Chao Yu <yuchao0@huawei.com>, Chao Yu <chao@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: [chao:feature/dax 4/9] fs/f2fs/file.c:584:7: error: implicit declaration of function 'daxdev_mapping_supported'
Date: Mon, 20 Dec 2021 22:06:57 +0800	[thread overview]
Message-ID: <202112202110.sW5LQCPm-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git feature/dax
head:   d08999836fd60ab725eee1f5a5fb3b00f7bcefd3
commit: f154828642167c70161576b977082361123a5768 [4/9] f2fs: support dax page fault
config: mips-randconfig-r002-20211220 (https://download.01.org/0day-ci/archive/20211220/202112202110.sW5LQCPm-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 683cbc12b33e5c8dc8d29bf5ed79fbf45763aadd)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id=f154828642167c70161576b977082361123a5768
        git remote add chao https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git
        git fetch --no-tags chao feature/dax
        git checkout f154828642167c70161576b977082361123a5768
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash fs/f2fs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> fs/f2fs/file.c:584:7: error: implicit declaration of function 'daxdev_mapping_supported' [-Werror,-Wimplicit-function-declaration]
           if (!daxdev_mapping_supported(vma, F2FS_I_SB(inode)->s_daxdev))
                ^
   1 error generated.


vim +/daxdev_mapping_supported +584 fs/f2fs/file.c

   569	
   570	static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
   571	{
   572		struct inode *inode = file_inode(file);
   573	
   574		if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
   575			return -EIO;
   576	
   577		if (!f2fs_is_compress_backend_ready(inode))
   578			return -EOPNOTSUPP;
   579	
   580		/*
   581		 * We don't support synchronous mappings for non-DAX files and
   582		 * for DAX files if underneath dax_device is not synchronous.
   583		 */
 > 584		if (!daxdev_mapping_supported(vma, F2FS_I_SB(inode)->s_daxdev))
   585			return -EOPNOTSUPP;
   586	
   587		file_accessed(file);
   588	
   589		if (IS_DAX(inode)) {
   590			vma->vm_ops = &f2fs_dax_vm_ops;
   591			vma->vm_flags |= VM_HUGEPAGE;
   592		} else {
   593			vma->vm_ops = &f2fs_file_vm_ops;
   594		}
   595	
   596		set_inode_flag(inode, FI_MMAP_FILE);
   597		return 0;
   598	}
   599	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [chao:feature/dax 4/9] fs/f2fs/file.c:584:7: error: implicit declaration of function 'daxdev_mapping_supported'
Date: Mon, 20 Dec 2021 22:06:57 +0800	[thread overview]
Message-ID: <202112202110.sW5LQCPm-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2796 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git feature/dax
head:   d08999836fd60ab725eee1f5a5fb3b00f7bcefd3
commit: f154828642167c70161576b977082361123a5768 [4/9] f2fs: support dax page fault
config: mips-randconfig-r002-20211220 (https://download.01.org/0day-ci/archive/20211220/202112202110.sW5LQCPm-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 683cbc12b33e5c8dc8d29bf5ed79fbf45763aadd)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id=f154828642167c70161576b977082361123a5768
        git remote add chao https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git
        git fetch --no-tags chao feature/dax
        git checkout f154828642167c70161576b977082361123a5768
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash fs/f2fs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> fs/f2fs/file.c:584:7: error: implicit declaration of function 'daxdev_mapping_supported' [-Werror,-Wimplicit-function-declaration]
           if (!daxdev_mapping_supported(vma, F2FS_I_SB(inode)->s_daxdev))
                ^
   1 error generated.


vim +/daxdev_mapping_supported +584 fs/f2fs/file.c

   569	
   570	static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
   571	{
   572		struct inode *inode = file_inode(file);
   573	
   574		if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
   575			return -EIO;
   576	
   577		if (!f2fs_is_compress_backend_ready(inode))
   578			return -EOPNOTSUPP;
   579	
   580		/*
   581		 * We don't support synchronous mappings for non-DAX files and
   582		 * for DAX files if underneath dax_device is not synchronous.
   583		 */
 > 584		if (!daxdev_mapping_supported(vma, F2FS_I_SB(inode)->s_daxdev))
   585			return -EOPNOTSUPP;
   586	
   587		file_accessed(file);
   588	
   589		if (IS_DAX(inode)) {
   590			vma->vm_ops = &f2fs_dax_vm_ops;
   591			vma->vm_flags |= VM_HUGEPAGE;
   592		} else {
   593			vma->vm_ops = &f2fs_file_vm_ops;
   594		}
   595	
   596		set_inode_flag(inode, FI_MMAP_FILE);
   597		return 0;
   598	}
   599	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

             reply	other threads:[~2021-12-20 14:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20 14:06 kernel test robot [this message]
2021-12-20 14:06 ` [chao:feature/dax 4/9] fs/f2fs/file.c:584:7: error: implicit declaration of function 'daxdev_mapping_supported' kernel test robot

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