Date: Mon, 26 Feb 2001 14:10:47 -0800 From: Mike Smith <msmith@freebsd.org> To: seebs@plethora.net (Peter Seebach) Cc: freebsd-hackers@freebsd.org Subject: Re: Is mkdir guaranteed to be 'atomic' ?? Message-ID: <200102262210.f1QMAlS01993@mass.dis.org> In-Reply-To: Your message of "Mon, 26 Feb 2001 16:01:28 CST." <200102262201.f1QM1S620699@guild.plethora.net>
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> In message <200102262159.f1QLxES01872@mass.dis.org>, Mike Smith writes:
> >How would it *not* be atomic?
>
> Well, imagine a hypothetical broken system in which two simultaneous calls
> to mkdir, on some hypothetical broken filesystem, can each think that it
> "succeeded". After all, at the end of the operation, the directory has
> been created, so who's to say they're wrong? ;)
Is this somehow related to memory overcommit?
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
V I C T O R Y N O T V E N G E A N C E
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