How to disable BTRFS copy-on-write updates for a subvolume using btrfs-property instead of chattr

Question

I want to disable BTRFS copy-on-write updates for a subvolume using the newer method btrfs property instead of the old method chattr.

I found the man page here: Manpage/btrfs-property - btrfs Wiki

This quote leads me to believe it has the functionality I desire:

btrfs property provides an unified and user-friendly method to tune different btrfs properties instead of using the traditional method like chattr(1) or lsattr(1)

However, I need an example that will replicate this command:

chattr +C /path/to/my/subvolume/.cache

where .cache is a BTRFS subvolme.

What does `btrfs property list /path/to/my/subvolume/.cache` show? — rickhg12hs, Oct 01 '20 at 19:36
@rickhg12hs it only lists `ro`, `label`, and `compression` and no other properties. Surely there are more properties available... or is that it? — MountainX, Oct 01 '20 at 23:28
https://github.com/kdave/btrfs-progs/blob/9a85732d8beaae4b80cab98bb3355660389c1d36/props.c#L169 — rickhg12hs, Oct 02 '20 at 01:59

score 1 · Accepted Answer · answered Oct 10 '20 at 13:51

1

In October 2020, it seems that only ro (read-only), label, and compression are the only properties available via btrfs property ... at this time.

answered Oct 10 '20 at 13:51

rickhg12hs

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How to disable BTRFS copy-on-write updates for a subvolume using btrfs-property instead of chattr

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