On Tue, 05/26 07:53, Peter Lieven wrote:
> Am 26.05.2015 um 05:36 schrieb Fam Zheng:
> >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 eno
Am 26.05.2015 um 05:36 schrieb Fam Zheng:
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
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block/mirror.c |
