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| author | Peter Lieven <pl@kamp.de> | 2013-10-24 12:06:54 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2013-11-28 10:30:51 +0100 |
| commit | 4ce786914b745a144a9eda1ea33f3ff98328c527 (patch) | |
| tree | 2c20f0622ce18189318f265ab2224f7732b692fa /qga | |
| parent | e1a5c4bed44bc23f69f53883c657e31e150cab30 (diff) | |
| download | qemu-4ce786914b745a144a9eda1ea33f3ff98328c527.tar.gz qemu-4ce786914b745a144a9eda1ea33f3ff98328c527.tar.bz2 qemu-4ce786914b745a144a9eda1ea33f3ff98328c527.zip | |
block: add wrappers for logical block provisioning information
This adds 2 wrappers to read the unallocated_blocks_are_zero and
can_write_zeroes_with_unmap info from the BDI. The wrappers are
required to check for the existence of a backing_hd and
if the devices are opened with the correct flags.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qga')
0 files changed, 0 insertions, 0 deletions