On Fri, 2020-11-06 at 05:43 +0000, Qiyu Yan wrote:
You can use swapfile on btrfs with nocow
See: https://btrfs.wiki.kernel.org/index.php/FAQ#Does_btrfs_support_swap_files.3F
And
https://wiki.archlinux.org/index.php/btrfs#Swap_file for instructions
Great. I was actually wondering about precisely that, so I'm glad to see it's supported with the right incantations.
poc