On Fri, Oct 18, 2013 at 02:01:03PM +0200, Stefan Hajnoczi wrote:
> On Fri, Oct 11, 2013 at 02:17:31PM -0400, Jeff Cody wrote:
> > +/* check the payload block state */
> > +switch (s->bat[sinfo.bat_idx] & VHDX_BAT_STATE_BIT_MASK) {
> > +case PAYLOAD_BLOCK_ZERO:
>
On Fri, Oct 11, 2013 at 02:17:31PM -0400, Jeff Cody wrote:
> +case PAYLOAD_BLOCK_FULLY_PRESENT:
> +/* if the file offset address is in the header zone,
> + * there is a problem */
> +if (sinfo.file_offset < (1024 * 1024)) {
When a block i
On Fri, Oct 11, 2013 at 02:17:31PM -0400, Jeff Cody wrote:
> +/* check the payload block state */
> +switch (s->bat[sinfo.bat_idx] & VHDX_BAT_STATE_BIT_MASK) {
> +case PAYLOAD_BLOCK_ZERO:
> +/* in this case, we need to preserve zero writes for
> +
This adds support for writing to VHDX image files, using coroutines.
Writes into the BAT table goes through the VHDX log. Currently, BAT
table writes occur when expanding a dynamic VHDX file, and allocating a
new BAT entry.
Signed-off-by: Jeff Cody
---
block/vhdx.c | 196 +++
