linux-ext4 - Re: [PATCH v3 01/13] ext4: add handling for extended mount options

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Message-ID: <20191016021427.GA31394@mit.edu>
Date:   Tue, 15 Oct 2019 22:14:27 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Harshad Shirwadkar <harshadshirwadkar@...il.com>
Cc:     linux-ext4@...r.kernel.org, Andreas Dilger <adilger@...ger.ca>
Subject: Re: [PATCH v3 01/13] ext4: add handling for extended mount options

On Tue, Oct 01, 2019 at 12:40:50AM -0700, Harshad Shirwadkar wrote:
> @@ -1858,8 +1863,9 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
>  			set_opt2(sb, EXPLICIT_DELALLOC);
>  		} else if (m->mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) {
>  			set_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM);
> -		} else
> +		} else if (m->mount_opt) {
>  			return -1;
> +		}
>  	}
>  	if (m->flags & MOPT_CLEAR_ERR)
>  		clear_opt(sb, ERRORS_MASK);

Why is this change needed?  This is in the handling of options that
have MOPT_EXPLICIT, and it doesn't seem relevant to this commit?

     		    	   	   		 - Ted