4K is too small for efficiently saving and restoring multi-GB block devices.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> --- block.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block.h b/block.h index 3513712..4a8b628 100644 --- a/block.h +++ b/block.h @@ -192,7 +192,7 @@ int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, int64_t pos, int size); -#define BDRV_SECTORS_PER_DIRTY_CHUNK 8 +#define BDRV_SECTORS_PER_DIRTY_CHUNK 2048 void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable); int bdrv_get_dirty(BlockDriverState *bs, int64_t sector);