Re: [PATCH 1/8] ext4: remove unused return value of __mb_check_buddy

From: Jan Kara
Date: Tue Jan 02 2024 - 08:01:00 EST


On Sun 26-11-23 00:11:36, Kemeng Shi wrote:
> Remove unused return value of __mb_check_buddy.
>
> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

Honza

> ---
> fs/ext4/mballoc.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
> index 454d56126..9f9b8dd06 100644
> --- a/fs/ext4/mballoc.c
> +++ b/fs/ext4/mballoc.c
> @@ -677,7 +677,7 @@ do { \
> } \
> } while (0)
>
> -static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
> +static void __mb_check_buddy(struct ext4_buddy *e4b, char *file,
> const char *function, int line)
> {
> struct super_block *sb = e4b->bd_sb;
> @@ -696,7 +696,7 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
> void *buddy2;
>
> if (e4b->bd_info->bb_check_counter++ % 10)
> - return 0;
> + return;
>
> while (order > 1) {
> buddy = mb_find_buddy(e4b, order, &max);
> @@ -758,7 +758,7 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
>
> grp = ext4_get_group_info(sb, e4b->bd_group);
> if (!grp)
> - return NULL;
> + return;
> list_for_each(cur, &grp->bb_prealloc_list) {
> ext4_group_t groupnr;
> struct ext4_prealloc_space *pa;
> @@ -768,7 +768,6 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
> for (i = 0; i < pa->pa_len; i++)
> MB_CHECK_ASSERT(mb_test_bit(k + i, buddy));
> }
> - return 0;
> }
> #undef MB_CHECK_ASSERT
> #define mb_check_buddy(e4b) __mb_check_buddy(e4b, \
> --
> 2.30.0
>
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR