Re: * RECALL * [PATCH 1/2] hwclock: hctosys drift compensation

[Bruce Dubbs <bruce.dubbs@gmail.com>]

JWP wrote:
> Hello Karel,
>
> On 09/16/2014 05:35 AM, Karel Zak wrote:
>>   See Documentation/TODO, the writable /etc/adjtime sucks, because in
>>   many cases we want to keep /etc read-only. I see two possible ways:
>
> Yes, I saw that and have it on my todo list.  However, it is down my list a ways.
> I had not planned on attempting to integrate it into the hctosys/show patch.
>
>>       -- the problem is that the file (specially last UTC/LOCAL line)
>>          may be expected by another tools
>
> True, init scripts depend upon that information too. So it is an important
> consideration.
>
> My initial thought when I read u-l's todo list was that adjtimex [ -c | -a ]
> depend upon /etc/adjtime *drift* data.  Do we care about breaking that?
>
> BJH's hwclock uses /var/state/adjtime, that seems like a good choice as well. ?

/var/state is not in the Filesystem Hierarchy Standard.

"Applications must generally not add directories to the top level of 
/var. Such directories should only be added if they have some 
system-wide implication, and in consultation with the FHS mailing list."

   -- Bruce