qcow2: fix some errors and typo in qcow2.txt
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
parent
c794b4e0fd
commit
3789985f40
@ -108,8 +108,8 @@ as follows:
|
||||
|
||||
refcount_block_entries = (cluster_size / sizeof(uint16_t))
|
||||
|
||||
refcount_block_index = (offset / cluster_size) % refcount_table_entries
|
||||
refcount_table_index = (offset / cluster_size) / refcount_table_entries
|
||||
refcount_block_index = (offset / cluster_size) % refcount_block_entries
|
||||
refcount_table_index = (offset / cluster_size) / refcount_block_entries
|
||||
|
||||
refcount_block = load_cluster(refcount_table[refcount_table_index]);
|
||||
return refcount_block[refcount_block_index];
|
||||
@ -211,7 +211,7 @@ switch the active L1 table, so that a different set of host clusters are
|
||||
exposed to the guest.
|
||||
|
||||
When creating a snapshot, the L1 table should be copied and the refcount of all
|
||||
L2 tables and clusters reachable form this L1 table must be increased, so that
|
||||
L2 tables and clusters reachable from this L1 table must be increased, so that
|
||||
a write causes a COW and isn't visible in other snapshots.
|
||||
|
||||
When loading a snapshot, bit 63 of all entries in the new active L1 table and
|
||||
|
Loading…
Reference in New Issue
Block a user