[chao:feature/dax 4/9] fs/f2fs/file.c:584:7: error: implicit declaration of function 'daxdev_mapping_supported'
From: kernel test robot
Date: Mon Dec 20 2021 - 09:11:03 EST
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@xxxxxxxxx/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@xxxxxxxxx>
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@xxxxxxxxxxxx