This adds support for writing to the VHDX log.
For spec details, see VHDX Specification Format v1.00:
https://www.microsoft.com/en-us/download/details.aspx?id=34750
There are a few limitations to this log support:
1.) There is no caching yet
2.) The log is flushed after each entry
The primary wr
On Tue, Oct 01, 2013 at 03:04:15PM +0200, Stefan Hajnoczi wrote:
> On Wed, Sep 25, 2013 at 05:02:55PM -0400, Jeff Cody wrote:
> > +static int vhdx_log_write(BlockDriverState *bs, BDRVVHDXState *s,
> > + void *data, uint32_t length, uint64_t offset)
> > +{
> > +int ret =
On Wed, Sep 25, 2013 at 05:02:55PM -0400, Jeff Cody wrote:
> +static int vhdx_log_write(BlockDriverState *bs, BDRVVHDXState *s,
> + void *data, uint32_t length, uint64_t offset)
> +{
> +int ret = 0;
> +void *buffer = NULL;
> +void *merged_sector = NULL;
> +v
On Wed, Sep 25, 2013 at 05:02:55PM -0400, Jeff Cody wrote:
> +/* Perform a log write, and then immediately flush the entire log */
> +int vhdx_log_write_and_flush(BlockDriverState *bs, BDRVVHDXState *s,
> + void *data, uint32_t length, uint64_t offset)
> +{
> +int re
