From: "Frank A. Kingswood" <frank@kingswood-consulting.co.uk>
To: linux-kernel@vger.kernel.org
Subject: atomically swap two files
Date: Thu, 25 Nov 2010 20:11:46 +0000 [thread overview]
Message-ID: <icmfu2$nga$1@dough.gmane.org> (raw)
Hi!
Is it possible to swap two files in an atomic way, so that after the
syscall either the two files have exchanged names or neither has been
modified?
I suspect that btrfs could do it, but I'm wondering about ext3/4.
Frank
next reply other threads:[~2010-11-25 20:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-25 20:11 Frank A. Kingswood [this message]
2010-11-26 11:47 ` atomically swap two files Pádraig Brady
2010-11-26 14:19 ` Dave Chinner
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