On Thu, Mar 20, 2014 at 03:08:07AM -0600, Chun Yan Liu wrote: > > > >>> On 3/11/2014 at 10:24 PM, in message > <20140311142451.gm7...@stefanha-thinkpad.redhat.com>, Stefan Hajnoczi > <stefa...@gmail.com> wrote: > > On Mon, Mar 10, 2014 at 03:31:49PM +0800, Chunyan Liu wrote: > > > diff --git a/block/qed.h b/block/qed.h > > > index 5d65bea..b024751 100644 > > > --- a/block/qed.h > > > +++ b/block/qed.h > > > @@ -43,7 +43,7 @@ > > > * > > > * All fields are little-endian on disk. > > > */ > > > - > > > +#define QED_DEFAULT_CLUSTER_SIZE 65536 > > > enum { > > > QED_MAGIC = 'Q' | 'E' << 8 | 'D' << 16 | '\0' << 24, > > > > > > @@ -69,7 +69,6 @@ enum { > > > */ > > > QED_MIN_CLUSTER_SIZE = 4 * 1024, /* in bytes */ > > > QED_MAX_CLUSTER_SIZE = 64 * 1024 * 1024, > > > - QED_DEFAULT_CLUSTER_SIZE = 64 * 1024, > > > > Why is this change made for cluster size but not table size? > > According to existing create_options, "cluster size" has default value = > QED_DEFAULT_CLUSTER_SIZE, after switching to create_opts, this has to be > stringized and set to .def_value_str. That is, > .def_value_str = stringify(QED_DEFAULT_CLUSTER_SIZE), > so the QED_DEFAULT_CLUSTER_SIZE could not be a expression, here changes. > "table size" has no default value in create_options, not need such changes
Okay, thanks!