Searched hist:"294 cc35f3db84017e0c176c15dd9a1b711e8354d" (Results 1 – 1 of 1) sorted by relevance
| /openbmc/qemu/ |
| H A D | block.c | diff 294cc35f3db84017e0c176c15dd9a1b711e8354d Wed Apr 28 07:34:01 CDT 2010 Kevin Wolf <kwolf@redhat.com> block: Add wr_highest_sector blockstat
This adds the wr_highest_sector blockstat which implements what is generally
known as the high watermark. It is the highest offset of a sector written to
the respective BlockDriverState since it has been opened.
The query-blockstat QMP command is extended to add this value to the result,
and also to add the statistics of the underlying protocol in a new "parent"
field. Note that to get the "high watermark" of a qcow2 image, you need to look
into the wr_highest_sector field of the parent (which can be a file, a
host_device, ...). The wr_highest_sector of the qcow2 BlockDriverState itself
is the highest offset on the _virtual_ disk that the guest has written to.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
|