Class: Lvm2Thin::DataSpaceMap

Inherits:
Object
  • Object
show all
Defined in:
lib/VolumeManager/LVM/thin/space_maps.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(superblock, struct) ⇒ DataSpaceMap

Returns a new instance of DataSpaceMap.



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# File 'lib/VolumeManager/LVM/thin/space_maps.rb', line 5

def initialize(superblock, struct)
  @superblock = superblock
  @struct = struct
end

Instance Attribute Details

#struct ⇒ Object

Returns the value of attribute struct.



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# File 'lib/VolumeManager/LVM/thin/space_maps.rb', line 3

def struct
  @struct
end

Instance Method Details

#btree ⇒ Object 



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# File 'lib/VolumeManager/LVM/thin/space_maps.rb', line 14

def btree
  @btree ||= BTree.new @superblock, btree_root_address, INDEX_ENTRY
end

#btree_root_address ⇒ Object 



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# File 'lib/VolumeManager/LVM/thin/space_maps.rb', line 10

def btree_root_address
  @btree_root_address ||= @superblock.md_block_address(struct['bitmap_root'])
end