From: TARUISI Hiroaki <taruishi.hiroak@jp.fujitsu.com>
Date: Tue, 9 Feb 2010 06:36:45 +0000 (+0000)
Subject: btrfs: Update existing btrfs_device for renaming device
X-Git-Tag: v2.6.34-rc2~21^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a0524dc054791688177544fe510d2868ee20d9f;p=pandora-kernel.git

btrfs: Update existing btrfs_device for renaming device

When we scan devices in a multi-device filesystem, we memorize the original
name.  If the device gets a new name, later scans don't update the
in-kernel structures related to it, and we're not able to mount the
filesystem.

This patch updates device name during scaning.

Signed-off-by: TARUISI Hiroaki <taruishi.hiroak@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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