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| author | Fam Zheng | 2015-06-08 07:56:09 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2015-07-02 11:06:23 +0200 |
| commit | dcfb3beb5130694b76b57de109619fcbf9c7e5b5 (patch) | |
| tree | af8a045ab17230ead191ffba9886025c6b12a35e /scripts/switch-timer-api | |
| parent | qmp: Add optional bool "unmap" to drive-mirror (diff) | |
| download | qemu-dcfb3beb5130694b76b57de109619fcbf9c7e5b5.tar.gz qemu-dcfb3beb5130694b76b57de109619fcbf9c7e5b5.tar.xz qemu-dcfb3beb5130694b76b57de109619fcbf9c7e5b5.zip | |
mirror: Do zero write on target if sectors not allocated
If guest discards a source cluster, mirroring with bdrv_aio_readv is overkill.
Some protocols do zero upon discard, where it's best to use
bdrv_aio_write_zeroes, otherwise, bdrv_aio_discard will be enough.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/switch-timer-api')
0 files changed, 0 insertions, 0 deletions