That's why all my VMs were so fast lately. :) This changed in 1.6.0 by mistake in patch 29c4e2b (blockdev: Split up 'cache' option, 2013-07-18).
Cc: qemu-sta...@nongnu.org Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- blockdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/blockdev.c b/blockdev.c index 07dac05..76bfe30 100644 --- a/blockdev.c +++ b/blockdev.c @@ -443,7 +443,7 @@ static DriveInfo *blockdev_init(QemuOpts *all_opts, if (qemu_opt_get_bool(opts, "cache.direct", false)) { bdrv_flags |= BDRV_O_NOCACHE; } - if (qemu_opt_get_bool(opts, "cache.no-flush", true)) { + if (qemu_opt_get_bool(opts, "cache.no-flush", false)) { bdrv_flags |= BDRV_O_NO_FLUSH; } -- 1.8.3.1