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SubjectRe: [PATCH v3] f2fs: dax: implement direct access
Hi Qiuyang,

[auto build test ERROR on f2fs/dev]
[also build test ERROR on v4.12-rc4 next-20170607]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/sunqiuyang/f2fs-dax-implement-direct-access/20170608-140734
base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev
config: x86_64-randconfig-x010-201723 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

fs/f2fs/file.c: In function 'f2fs_dax_huge_fault':
>> fs/f2fs/file.c:124:26: error: 'struct f2fs_inode_info' has no member named 'i_mmap_sem'; did you mean 'i_sem'?
down_read(&F2FS_I(inode)->i_mmap_sem);
^~
fs/f2fs/file.c:126:24: error: 'struct f2fs_inode_info' has no member named 'i_mmap_sem'; did you mean 'i_sem'?
up_read(&F2FS_I(inode)->i_mmap_sem);
^~
fs/f2fs/file.c: In function 'f2fs_dax_pfn_mkwrite':
fs/f2fs/file.c:147:26: error: 'struct f2fs_inode_info' has no member named 'i_mmap_sem'; did you mean 'i_sem'?
down_read(&F2FS_I(inode)->i_mmap_sem);
^~
fs/f2fs/file.c:153:24: error: 'struct f2fs_inode_info' has no member named 'i_mmap_sem'; did you mean 'i_sem'?
up_read(&F2FS_I(inode)->i_mmap_sem);
^~
--
fs/f2fs/gc.c: In function 'dax_move_data_page':
>> fs/f2fs/gc.c:731:40: error: 'struct f2fs_inode_info' has no member named 'i_mmap_sem'; did you mean 'i_sem'?
if (!down_write_trylock(&F2FS_I(inode)->i_mmap_sem))
^~
fs/f2fs/gc.c:783:25: error: 'struct f2fs_inode_info' has no member named 'i_mmap_sem'; did you mean 'i_sem'?
up_write(&F2FS_I(inode)->i_mmap_sem);
^~

vim +124 fs/f2fs/file.c

118 bool write = vmf->flags & FAULT_FLAG_WRITE;
119
120 if (write) {
121 sb_start_pagefault(sb);
122 file_update_time(vmf->vma->vm_file);
123 }
> 124 down_read(&F2FS_I(inode)->i_mmap_sem);
125 result = dax_iomap_fault(vmf, pe_size, &f2fs_iomap_ops);
126 up_read(&F2FS_I(inode)->i_mmap_sem);
127 if (write)

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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