Re: [PATCH] ext4: Fix sparse warning in extents kunit test when EXT4_KUNIT_TESTS=m
From: Jan Kara
Date: Wed Sep 23 2026 - 07:52:56 EST
On Tue 22-09-26 19:28:08, Ojaswin Mujoo wrote:
> When kunit tests are compiled as modules, the extents kunit test emits
> a sparse warning:
>
> >> fs/ext4/extents-test.c:59:3: sparse: sparse: symbol 'k_ctx' was not
> declared. Should it be static?
>
> Fix this by declaring it as static.
>
> Fixes: cb1e0c1d1fad ("ext4: kunit tests for extent splitting and conversion")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202609221900.Pgwrcp41-lkp@xxxxxxxxx/
Looks good. Feel free to add:
Reviewed-by: Jan Kara <jack@xxxxxxx>
Honza
> ---
> fs/ext4/extents-test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ext4/extents-test.c b/fs/ext4/extents-test.c
> index bd7795a82607..9669b2197fca 100644
> --- a/fs/ext4/extents-test.c
> +++ b/fs/ext4/extents-test.c
> @@ -48,7 +48,7 @@
> #define EXT_DATA_LBLK 10
> #define EXT_DATA_LEN 3
>
> -struct kunit_ctx {
> +static struct kunit_ctx {
> /*
> * Ext4 inode which has only 1 unwrit extent
> */
> --
> 2.55.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR