From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf van der Spek <olafvdspek@gmail.com>
Subject: Atomic file data replace API
Date: Thu, 6 Jan 2011 21:01:15 +0100
Message-ID: <AANLkTi=paCEdAFZkHWTSwTCjYavMPOaGY8MsLknryk=_@mail.gmail.com>
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To: linux-btrfs@vger.kernel.org
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Hi,

Does btrfs support atomic file data replaces? Basically, the atomic
variant of this:
// old stage
open(O_TRUNC)
write() // 0+ times
close()
// new state
-- 
Olaf