于 2013-1-29 20:37, Kevin Wolf 写道:
Am 25.01.2013 19:11, schrieb Eric Blake:
On 01/23/2013 07:57 PM, Wenchao Xia wrote:
Compared to bdrv_can_snapshot(), this function return whether
bs* is ready to read snapshot info from instead of write. If yes,
caller can then query snapshot information, bu
Am 25.01.2013 19:11, schrieb Eric Blake:
> On 01/23/2013 07:57 PM, Wenchao Xia wrote:
>> Compared to bdrv_can_snapshot(), this function return whether
>> bs* is ready to read snapshot info from instead of write. If yes,
>> caller can then query snapshot information, but taking snapshot
>> is not
于 2013-1-26 2:11, Eric Blake 写道:
> On 01/23/2013 07:57 PM, Wenchao Xia wrote:
>>Compared to bdrv_can_snapshot(), this function return whether
>> bs* is ready to read snapshot info from instead of write. If yes,
>> caller can then query snapshot information, but taking snapshot
>> is not always
On 01/23/2013 07:57 PM, Wenchao Xia wrote:
> Compared to bdrv_can_snapshot(), this function return whether
> bs* is ready to read snapshot info from instead of write. If yes,
> caller can then query snapshot information, but taking snapshot
> is not always possible for that *bs may be read only.
Compared to bdrv_can_snapshot(), this function return whether
bs* is ready to read snapshot info from instead of write. If yes,
caller can then query snapshot information, but taking snapshot
is not always possible for that *bs may be read only.
Signed-off-by: Wenchao Xia
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block.c