Dear btrfs experts,
I hope this is the correct place to ask, the wiki and manpages did not help me
on these questions.
BTRFS has gained extended inode refs, skinny metadata and no-holes quite a
while ago and these are now the defaults for new mkfs.btrfs. btrfstune can
activate those features.
However, I miss two things:
- How do I see on an existing FS which of these features are on?
btrfstune (it seems) can only "set", but not "get" the feature flags.
- Is it worthwhile / recommended / safe to activate those on existing FS?
Are there any steps (e.g. balancing metadata with -musage=0, I'd guess)
needed to make them become active afterwards?
If there is any documentation on this and I missed it, please RTFM me.
Cheers and thanks a lot,
Oliver
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