On Thu, Apr 25, 2019 at 08:30:38AM +0800, Qu Wenruo wrote: > > > On 2019/4/25 上午1:45, David Sterba wrote: > > On Wed, Apr 24, 2019 at 03:22:53PM +0800, Qu Wenruo wrote: > >> Allowing error injection for btrfs_check_leaf_full() and > >> btrfs_check_node() is useful to test the failure path of btrfs write > >> time tree check. > >> > >> Signed-off-by: Qu Wenruo <w...@suse.com> > > > > Does not compile: > > > > CC [M] fs/btrfs/tests/extent-map-tests.o > > In file included from fs/btrfs/tree-checker.c:18: > > ./include/linux/error-injection.h:15:15: error: unknown type name ‘bool’ > > static inline bool within_error_injection_list(unsigned long addr) > > ^~~~ > > ./include/linux/error-injection.h: In function > > ‘within_error_injection_list’: > > ./include/linux/error-injection.h:17:9: error: ‘false’ undeclared (first > > use in this function) > > return false; > > ^~~~~ > > ./include/linux/error-injection.h:17:9: note: each undeclared identifier is > > reported only once for each function it appears in > > make[1]: *** [scripts/Makefile.build:275: fs/btrfs/tree-checker.o] Error 1 > > make[1]: *** Waiting for unfinished jobs.... > > make: *** [Makefile:1737: fs/btrfs/] Error 2 > > Compiles without problem here using 8.2.1 gcc. > > ... > CC [M] fs/btrfs/check-integrity.o > CC [M] fs/btrfs/ref-verify.o > CC [M] fs/btrfs/tests/free-space-tests.o > CC [M] fs/btrfs/tests/extent-buffer-tests.o > CC [M] fs/btrfs/tests/btrfs-tests.o > CC [M] fs/btrfs/tests/extent-io-tests.o > CC [M] fs/btrfs/tests/inode-tests.o > CC [M] fs/btrfs/tests/qgroup-tests.o > CC [M] fs/btrfs/tests/free-space-tree-tests.o > CC [M] fs/btrfs/tests/extent-map-tests.o > LD [M] fs/btrfs/btrfs.o > Building modules, stage 2. > MODPOST 1 modules > CC fs/btrfs/btrfs.mod.o > LD [M] fs/btrfs/btrfs.ko > > > > > > > gcc is 8.3.1 > > > > Upgrading to gcc 8.3.0, still passes. > > Is that a regression in gcc 8.3.1?
I don't think it's caused by compiler but config options. And the build bot sees the compilation failure too, so it's not specific to my setup: https://lists.01.org/pipermail/kbuild-all/2019-April/060303.html