Subject: Re: [need review] pax(1) change to fix PR #8868
To: Bill Studenmund <email@example.com>
From: David Brownlee <firstname.lastname@example.org>
Date: 02/10/2000 22:51:20
On Thu, 10 Feb 2000, Bill Studenmund wrote:
> > > Just curious - can the SIGINFO hack cause problems if pax is
> > > being used to read/write to an actual tape device?
> > I don't think read/write is always atomic, but, ... well, ...
> > I'm not sure --- this is the reason I'm sending to tech-kern. :-)
> A successful read or write should be atomic. NFS kinda bends the rules a
> bit, but other than that, your write should fully complete before (or
> after) someone else's.
It may be atomic - is the issue with short reads or writes
to a tape device that could be less than ideal.
In most cases it would probably just reduce the efficiency...