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List:       linux-ext4
Subject:    Re: [PATCH v2] ext4: bad mount opts in no journal mode
From:       Jan Kara <jack () suse ! cz>
Date:       2019-04-29 21:11:39
Message-ID: 20190429211139.GC1424 () quack2 ! suse ! cz
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On Mon 29-04-19 13:31:58, Debabrata Banerjee wrote:
> Fixes:
> commit 1e381f60dad9 ("ext4: do not allow journal_opts for fs w/o journal")
> 
> Instead of removing EXT4_MOUNT_JOURNAL_CHECKSUM from s_def_mount_opt as
> I assume was intended, all other options were blown away leading to
> _ext4_show_options() output being incorrect.
> 
> Signed-off-by: Debabrata Banerjee <dbanerje@akamai.com>

Thanks! You can add:

Reviewed-by: Jan Kara <jack@suse.cz>

									Honza

> ---
>  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 6ed4eb81e674..5cdf1d88b5c3 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -4238,7 +4238,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
>  				 "data=, fs mounted w/o journal");
>  			goto failed_mount_wq;
>  		}
> -		sbi->s_def_mount_opt &= EXT4_MOUNT_JOURNAL_CHECKSUM;
> +		sbi->s_def_mount_opt &= ~EXT4_MOUNT_JOURNAL_CHECKSUM;
>  		clear_opt(sb, JOURNAL_CHECKSUM);
>  		clear_opt(sb, DATA_FLAGS);
>  		sbi->s_journal = NULL;
> -- 
> 2.21.0
> 
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR
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