Btrfs: shared seed device
authorYan Zheng <zheng.yan@oracle.com>
Fri, 12 Dec 2008 15:03:26 +0000 (10:03 -0500)
committerChris Mason <chris.mason@oracle.com>
Fri, 12 Dec 2008 15:03:26 +0000 (10:03 -0500)
This patch makes seed device possible to be shared by
multiple mounted file systems. The sharing is achieved
by cloning seed device's btrfs_fs_devices structure.
Thanks you,

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>

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