Date: Fri, 2 Mar 2001 03:04:47 +0000 From: void <float@firedrake.org> To: Mike Smith <msmith@freebsd.org> Cc: Peter Seebach <seebs@plethora.net>, freebsd-hackers@freebsd.org Subject: Re: Is mkdir guaranteed to be 'atomic' ?? Message-ID: <20010302030447.A10757@firedrake.org> In-Reply-To: <200102262210.f1QMAlS01993@mass.dis.org>; from msmith@freebsd.org on Mon, Feb 26, 2001 at 02:10:47PM -0800 References: <200102262201.f1QM1S620699@guild.plethora.net> <200102262210.f1QMAlS01993@mass.dis.org>
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On Mon, Feb 26, 2001 at 02:10:47PM -0800, Mike Smith wrote:
> >
> > 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?
It's actually an interaction between that, the fxp driver, and
non-reflexive stackable VFS layers. HTH, HAND.
--
Ben
"I told Paddy no, I told Steve no, I told Paul no, and Ben fell asleep."
--Kate C. (no, different Ben, I would have stayed up)
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