catch bug making swap file on BIOS #83
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This bug ONLY appears when:
OR
ext4file system, with either BIOS or UEFIWhen making a SWAP file on
btrfs, which is standard for UEFI when autopartitioning. We need to call:in order to be allowed to use it. This command disables
btrfs's Copy-On-Write functionality for that one specific file. Unfortunately, it doesn't silently fail onext4file systems. So, this PR adds atry/exceptblock to handle that event. Thankfully, onext4file systems, this command does not need to be run. So things should work out.