F33 BTRFS - Not enough swap space for hibernation

[Sreyan Chakravarty <sreyan32@xxxxxxxxx>]

Hi,

Migrated to BTRFS on Fedora 33.

How do I get hibernate to work with swap files ?

I did:

    touch /fedora.swap

    chattr +C /fedora.swap

    dd if=/dev/zero of=/fedora.swap bs=1M count=14336 status=progress

    chmod 600 /fedora.swap

    mkswap /fedora.swap

/etc/fstab entry:

          /fedora.swap none swap defaults 0 2

swap is mounted but is behaving weirdly since I have more swap than I actually allocated:

              total        used        free      shared  buff/cache   available
Mem:          7.7Gi       1.5Gi       4.2Gi       407Mi       2.0Gi       5.6Gi
Swap:          17Gi          0B        17Gi

Don't have any idea where 17 GiB is coming from.

Using the --giga option I get:

              total        used        free      shared  buff/cache   available
Mem:              8           1           4           0           2           5
Swap:            19           0          19

I have no idea what is happening.

What is going on?

--

Regards,

Sreyan Chakravarty

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