Incremental backups sometimes need a non-64KiB transfer cluster size. See patch #2 for the detailed justificaton.
________________________________________________________________________________ For convenience, this branch is available at: https://github.com/jnsnow/qemu.git branch incremental-granularity-fix https://github.com/jnsnow/qemu/tree/incremental-granularity-fix This version is tagged incremental-granularity-fix-v1: https://github.com/jnsnow/qemu/releases/tag/incremental-granularity-fix-v1 John Snow (3): block/backup: make backup cluster size configurable block/backup: avoid copying less than full target clusters iotests/124: Add cluster_size mismatch test block/backup.c | 68 ++++++++++++++++++++++++++-------------------- tests/qemu-iotests/124 | 58 +++++++++++++++++++++++++++++++++++---- tests/qemu-iotests/124.out | 4 +-- 3 files changed, 93 insertions(+), 37 deletions(-) -- 2.4.3
