Btrfs: create UUID tree if required

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This tree is not created by mkfs.btrfs. Therefore when a filesystem
is mounted writable and the UUID tree does not exist, this tree is
created if required. The tree is also added to the fs_info structure
and initialized, but this commit does not yet read or write UUID tree
elements.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

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Stefan Behrens 2013-08-15 17:11:19 +02:00 • committed by Chris Mason

parent 8f8ae8e213

commit f7a81ea4cc

5 changed files with 65 additions and 0 deletions

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1

fs/btrfs/ctree.h

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34

fs/btrfs/disk-io.c

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3

fs/btrfs/extent-tree.c

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26

fs/btrfs/volumes.c

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1

fs/btrfs/volumes.h

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