Re: [PATCH] FAT timezones [was Re: updating the RTC automagically]

Peter Samuelson (peter@wire.cadcamlab.org)
Sat, 20 Nov 1999 21:55:32 -0600 (CST)

[Alexander Viro]
> Hold on. Why not use sys_tz? settimeofday(NULL, &tz) from userland
> utility and there you go. Nothing except the sucking filesystems will
> be affected. Why do you need per-fs granularity?

Because Linux allows per-user timezones and users are often allowed to
mount their own FAT filesystems.

That might sound contrived, and it almost is, but in my case, I run my
machine's system time at UTC, partly because I want to make sure things
like my FTP server use UTC, but as a user I have TZ=CST6CDT. If I (as
a user) mount a floppy, the mtimes should match the mtimes on our
legacy systems.

Joe Zbiciak <jzbiciak@dal.asp.ti.com> and I had this discussion not too
long ago on l-k ("Re: Bug in fat-fs code: file date/time wrong"); he
feels a lot more strongly than I do about the timezone semantics. His
conclusion was that the real solution to all this is to port ext2 to
the legacy systems....

Peter

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