From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 8 Jan 2008 20:46:30 +0000 (-0500)
Subject: Btrfs: Move snapshot creation to commit time
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~56^2~30^2~349
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3063d29f2a4d4a4e9fa1ec77c124514f287c6da7;p=pandora-kernel.git

Btrfs: Move snapshot creation to commit time

It is very difficult to create a consistent snapshot of the btree when
other writers may update the btree before the commit is done.

This changes the snapshot creation to happen during the commit, while
no other updates are possible.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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