Wrong information inside the zfs-create man page on the 2.1-release branch

[makhomed]

System information

Type	Version/Name
OpenZFS Version	zfs-2.1.16-1

Describe the problem you're observing

Wrong information inside the zfs-create man page on the 2.1-release branch

Describe how to reproduce the problem

https://github.com/openzfs/zfs/blob/zfs-2.1-release/man/man8/zfs-create.8#L237-L243

.Ss ZFS Volumes as Swap
ZFS volumes may be used as swap devices.
After creating the volume with the
.Nm zfs Cm create Fl V
enable the swap area using the
.Xr swapon 8
command.
Swapping to files on ZFS filesystems is not supported.

This manual bug only present on the 2.1-release branch:

https://github.com/openzfs/zfs/blob/zfs-2.1-release/man/man8/zfs-create.8#L237-L243

Inside 2.2-release release branch this bug already fixed:

https://github.com/openzfs/zfs/blob/zfs-2.2-release/man/man8/zfs-create.8#L237-L239

Inside 2.3-release release branch this bug already fixed:

https://github.com/openzfs/zfs/blob/zfs-2.3-release/man/man8/zfs-create.8#L237-L239

P.S.

More details - in the OpenZFS FAQ - Using a zvol for a swap device on Linux and ZFS issue #7734

[amotin]

Anybody who care about 2.1 is always welcome to open a PR. But the questions are: does anybody care, and will there be another 2.1 release for this to appear at.