Sreyan Chakravarty <[email protected]> 于2020年12月8日周二 下午8:53写道:
>
> On Mon, Dec 7, 2020 at 3:43 PM Chris Murphy <[email protected]> wrote:
>>
>>
>> This isn't a great location for a swapfile on btrfs because you can't ever 
>> snapshot /.
>
>
> You never said why it was not possible to snapshot /.
Since swapfile should always be NOCOW, while doing snapshot the subvol
containing the file will definitely make it COW. You may want to put
swapfile to a separate subvol.
>
> Why is that ?
>
> --
> Regards,
> Sreyan Chakravarty
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