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authorKevin Wolf <kwolf@redhat.com>2010-02-23 16:40:52 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2010-02-23 13:23:29 -0600
commit05121aedc41f87e44e41e9cef55f2e49ce7ba94e (patch)
tree1d42043cc823aa09aa36218e51157527f5457157 /block/vdi.c
parent1d9000e8238ffc346b0a08f4c0619c4e5711a7dc (diff)
qcow2: Factor next_refcount_table_size out
When the refcount table grows, it doesn't only grow by one entry but reserves some space for future refcount blocks. The algorithm to calculate the number of entries stays the same with the fixes, so factor it out before replacing the rest. As Juan suggested take the opportunity to simplify the code a bit. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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