On Fri, 2020-11-06 at 11:18 +0000, Patrick O'Callaghan wrote: > On Fri, 2020-11-06 at 05:43 +0000, Qiyu Yan wrote: > > You can use swapfile on btrfs with nocow > > [...] > > 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. Trying to follow the instructions in the above URL, but clearly I'm misunderstanding something: # btrfs sub create /SWAP Create subvolume '//SWAP' # btrfs property set /SWAP compression no # btrfs sub show /SWAP root/SWAP Name: SWAP UUID: 1d4d839a-fd4e-d345-8d3f-ea858af71982 Parent UUID: - Received UUID: - Creation time: 2020-11-06 11:41:37 +0000 Subvolume ID: 1311 Generation: 14657 Gen at creation: 14547 Parent ID: 257 Top level ID: 257 Flags: - Snapshot(s): # cd /SWAP # truncate -s 0 ./swapfile # chattr +C /SWAP chattr: Invalid argument while setting flags on /SWAP What am I missing? poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxxxxx
