2019-11-12 16:25:23

by Ritesh Harjani

[permalink] [raw]
Subject: Re: [PATCH] fs: ext4: remove unused variable warning in parse_options()



On 11/11/19 7:55 AM, Olof Johansson wrote:
> Commit c33fbe8f673c5 ("ext4: Enable blocksize < pagesize for
> dioread_nolock") removed the only user of 'sbi' outside of the ifdef,
> so it caused a new warning:
>
> fs/ext4/super.c:2068:23: warning: unused variable 'sbi' [-Wunused-variable]
>
> Fixes: c33fbe8f673c5 ("ext4: Enable blocksize < pagesize for dioread_nolock")
> Signed-off-by: Olof Johansson <[email protected]>

hmm, I see that I had CONFIG_QUOTA enabled, so missed this.
Thanks for the patch.

You may add:
Reviewed-by: Ritesh Harjani <[email protected]>

> ---
> fs/ext4/super.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index f3279210f0ba9..ee8c42d8a04f0 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -2065,7 +2065,7 @@ static int parse_options(char *options, struct super_block *sb,
> unsigned int *journal_ioprio,
> int is_remount)
> {
> - struct ext4_sb_info *sbi = EXT4_SB(sb);
> + struct ext4_sb_info __maybe_unused *sbi = EXT4_SB(sb);
> char *p, __maybe_unused *usr_qf_name, __maybe_unused *grp_qf_name;
> substring_t args[MAX_OPT_ARGS];
> int token;
>