reflink.c:undefined reference to `atomic64_read_386'

Hi Filipe, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d19cc4bfbff1ae72c3505a00fb8ce0d3fa519e6c commit: 6a177381007b463ad611375cce526c24f12ab081 Btrfs: move all reflink implementation code into its own file

reflink.c:undefined reference to `atomic64_read_386'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5e46d1b78a03d52306f21f77a4e4a144b6d31486 commit: 6a177381007b463ad611375cce526c24f12ab081 Btrfs: move all reflink implementation code into its own file date: 1 year ago config: um-randconfig-r023-20210330