From a0af469b58944f6e8c5c8ecbebb42997baf0cb9e Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 13 May 2008 16:03:06 -0400
Subject: [PATCH] Fix btrfs_open_devices to deal with changes since the scan
 ioctls

Devices can change after the scan ioctls are done, and btrfs_open_devices
needs to be able to verify them as they are opened and used by the FS.

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