On Fri, May 20, 2022 at 11:03:13AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the ext4 tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>
> fs/ext4/super.c: In function 'ext4_check_test_dummy_encryption':
> fs/ext4/super.c:2677:36: warning: unused variable 'sbi' [-Wunused-variable]
> 2677 | const struct ext4_sb_info *sbi = EXT4_SB(sb);
> | ^~~
>
> Introduced by commit
>
> 0df27ddf69f3 ("ext4: only allow test_dummy_encryption when supported")
>
The kernel test robot beat you to it! This warning happens when
!CONFIG_FS_ENCRYPTION. v4 of the patch fixes this
(https://lore.kernel.org/r/20220519204437.61645-1-ebiggers@xxxxxxxxxx).
- Eric
