Btrfs: shared seed device

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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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This commit is contained in:

Yan Zheng 2008-12-12 10:03:26 -05:00 • committed by Chris Mason

parent d2fb3437e4

commit e4404d6e8d

5 changed files with 156 additions and 134 deletions

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2

fs/btrfs/disk-io.c

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37

fs/btrfs/extent-tree.c

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8

fs/btrfs/super.c

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240

fs/btrfs/volumes.c

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3

fs/btrfs/volumes.h

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