Re: Is cloning the same as copying in APFS?
Re: Is cloning the same as copying in APFS?
- Subject: Re: Is cloning the same as copying in APFS?
- From: Rick Mann <email@hidden>
- Date: Wed, 28 Jun 2017 02:59:12 -0700
Yeah, our data is immutable, so hard Link’s work fine.
--
Rick Mann
email@hidden
> On Jun 28, 2017, at 02:43, Alastair Houghton <email@hidden>
> wrote:
>
>> On 27 Jun 2017, at 22:45, Rick Mann <email@hidden> wrote:
>>
>> Agreed. Thanks for the code, and for showing the other techniques. In my
>> case, I still have to support HFS+, and I want to do that with hard links. I
>> wish there was an API to clone-or-hardlink, but I can do that.
>
> Perhaps worth emphasising here, since you mention hard links, that the
> difference between hard links and clones is that clones are copy-on-write.
> i.e. if you hard link a file, and then change the data, *all of the linked
> copies will change too*.
>
> I’m sure that’s not an issue in your application, but if someone later
> happens across this thread and thinks “What a great idea!”, mentioning that
> the two are only equivalent for the read-only case might avoid some pain.
>
> Kind regards,
>
> Alastair.
>
> --
> http://alastairs-place.net
>
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden