323004a39d
this patch adds a efficient encoding for zero blocks by adding a new flag indicating a block is completely zero. additionally bdrv_write_zeros() is used at the destination to efficiently write these zeroes. depending on the implementation this avoids that the destination target gets fully provisioned. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> |
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| .. | ||
| block.h | ||
| migration.h | ||
| page_cache.h | ||
| qemu-file.h | ||
| vmstate.h | ||