On Wed, Dec 9, 2020 at 5:36 AM Chris Murphy <li...@colorremedies.com> wrote:

> Small clarification. 'chattr +C' to set the C file attribute is
> 'nodatacow'. Since Btrfs is cow by default, it's generally OK to
> assume cow unless this attribute is set. But there's a rather uncommon
> and not highly recommended mount option too: nodatacow. This does not
> set C attribute everywhere, but all the files written while this mount
> option is used are nodatacow and will always be nodatacow.
>
> Note that nodatacow (how ever you enable it) also means nodatasum,
> i.e. no checksumming for data, and no compression.
>
> Also, btrfs metadata (the file system itself) is always cow. It can't
> be disabled.
>

What is the correct way to calculate the physical offset of the swap file
in another subvolume ?

-- 
Regards,
Sreyan Chakravarty
_______________________________________________
users mailing list -- users@lists.fedoraproject.org
To unsubscribe send an email to users-le...@lists.fedoraproject.org
Fedora Code of Conduct: 
https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: 
https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org

Reply via email to