[[Plugin] Swapfile for 6.9.1]

Could you change the file creation to use `fallocate -l` instead of `dd` (I assume) that way it's instant

 

EDIT:

I guess not https://askubuntu.com/a/1017312

 

RE-EDIT:

ok maybe it is ok on xfs?

http://manpages.ubuntu.com/manpages/kinetic/en/man8/swapon.8.html

Quote

Preallocated files created by fallocate(1) may be interpreted as files with holes too depending of the filesystem. Preallocated swap files are supported on XFS since Linux 4.18.

 

I'm making a PR now

 

I'm having a problem where after 10GB ish it hangs