linux-kernel - Re: [PATCH] Smack: Restore the smackfsdef mount option

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Date:   Tue, 28 May 2019 08:51:24 -0700
From:   Casey Schaufler <casey@...aufler-ca.com>
To:     David Howells <dhowells@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>, jose.bollo@....bzh,
        Linux Security Module list 
        <linux-security-module@...r.kernel.org>, casey@...aufler-ca.com
Subject: Re: [PATCH] Smack: Restore the smackfsdef mount option

On 5/28/2019 5:23 AM, David Howells wrote:
> Casey Schaufler <casey@...aufler-ca.com> wrote:
>
>> The change was made in commit c3300aaf95fb4 from Al Viro.
> This should be in a "Fixes:" tag?

Thanks. I wasn't sure how to properly apply that.

>
>> +	fsparam_string("fsdef",		Opt_fsdefault),
>>  	fsparam_string("fsdefault",	Opt_fsdefault),
>>  	fsparam_string("fsfloor",	Opt_fsfloor),
>>  	fsparam_string("fshat",		Opt_fshat),
> Would it be better to delete the "fsdefault" line?

If it hadn't slipped into the 5.1 release I would
say to remove it, but now it would be a regression.

>
> Also, should all of these be prefixed with "smack"?  So:
>
>   	fsparam_string("smackfsdef",	Opt_fsdefault),
>   	fsparam_string("smackfsfloor",	Opt_fsfloor),
>   	fsparam_string("smackfshat",	Opt_fshat),	

No. smack_fs_parameters takes care of that.

>
> David