Am 24.06.2013 16:34, schrieb Paolo Bonzini:
> Il 22/06/2013 22:58, Peter Lieven ha scritto:
>> write zeroes is emulated by unmap if the
>> target supports unmapping an unmapped blocks
>> read as zero.
> I think you should check BDRV_O_UNMAP in bs->open_flags, and not do this
> optimization if it is
Il 22/06/2013 22:58, Peter Lieven ha scritto:
> write zeroes is emulated by unmap if the
> target supports unmapping an unmapped blocks
> read as zero.
I think you should check BDRV_O_UNMAP in bs->open_flags, and not do this
optimization if it is not set.
Paolo
> Signed-off-by: Peter Lieven
> -
write zeroes is emulated by unmap if the
target supports unmapping an unmapped blocks
read as zero.
Signed-off-by: Peter Lieven
---
block/iscsi.c | 63 +
1 file changed, 63 insertions(+)
diff --git a/block/iscsi.c b/block/iscsi.c
index 9
