Hi Liu, [auto build test WARNING on btrfs/next] [also build test WARNING on v4.4-rc3 next-20151203] url: https://github.com/0day-ci/linux/commits/Liu-Bo/Btrfs-disable-online-scrub-repair-on-ro-cases/20151204-205115 base: https://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git next config: i386-randconfig-c0-12042053 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/uapi/linux/capability.h:16, from include/linux/capability.h:15, from include/linux/sched.h:15, from include/linux/blkdev.h:4, from fs/btrfs/scrub.c:19: fs/btrfs/scrub.c: In function 'scrub_fixup_readpage': fs/btrfs/scrub.c:703:10: error: invalid type argument of '->' (have 'u64 {aka long long unsigned int}') if (root->fs_info->sb->s_flags & MS_RDONLY) ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> fs/btrfs/scrub.c:703:2: note: in expansion of macro 'if' if (root->fs_info->sb->s_flags & MS_RDONLY) ^ fs/btrfs/scrub.c:703:10: error: invalid type argument of '->' (have 'u64 {aka long long unsigned int}') if (root->fs_info->sb->s_flags & MS_RDONLY) ^ include/linux/compiler.h:147:40: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> fs/btrfs/scrub.c:703:2: note: in expansion of macro 'if' if (root->fs_info->sb->s_flags & MS_RDONLY) ^ fs/btrfs/scrub.c:703:10: error: invalid type argument of '->' (have 'u64 {aka long long unsigned int}') if (root->fs_info->sb->s_flags & MS_RDONLY) ^ include/linux/compiler.h:158:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> fs/btrfs/scrub.c:703:2: note: in expansion of macro 'if' if (root->fs_info->sb->s_flags & MS_RDONLY) ^ vim +/if +703 fs/btrfs/scrub.c 687 } 688 689 static int scrub_fixup_readpage(u64 inum, u64 offset, u64 root, void *fixup_ctx) 690 { 691 struct page *page = NULL; 692 unsigned long index; 693 struct scrub_fixup_nodatasum *fixup = fixup_ctx; 694 int ret; 695 int corrected = 0; 696 struct btrfs_key key; 697 struct inode *inode = NULL; 698 struct btrfs_fs_info *fs_info; 699 u64 end = offset + PAGE_SIZE - 1; 700 struct btrfs_root *local_root; 701 int srcu_index; 702 > 703 if (root->fs_info->sb->s_flags & MS_RDONLY) 704 return -EROFS; 705 706 key.objectid = root; 707 key.type = BTRFS_ROOT_ITEM_KEY; 708 key.offset = (u64)-1; 709 710 fs_info = fixup->root->fs_info; 711 srcu_index = srcu_read_lock(&fs_info->subvol_srcu); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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