Am 18.10.2010 17:53, schrieb Stefan Hajnoczi: > The L1 table grow operation includes a size calculation that bumps up > the new L1 table size in order to anticipate the size needs of vmstate > data. This helps reduce the number of times that the L1 table has to be > grown when vmstate data is appended. > > This size overhead is not necessary during image creation, > bdrv_truncate(), or snapshot goto operations. In fact, existing > qemu-iotests that exercise table growth are no longer able to trigger it > because image creation preallocates an L1 table that is too large after > changes to qcow_create2(). > > This patch keeps the size calculation but also adds exact growth for > callers that do not want to inflate the L1 table size unnecessarily. > > Signed-off-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com>
Thanks, applied to the block branch. Kevin
