Re: Fedora 33 System-Wide Change proposal: Make btrfs the default file system for desktop variants

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On Mon, Jun 29, 2020 at 01:33:37PM -0400, Josef Bacik wrote:
> On 6/29/20 12:23 PM, J. Bruce Fields wrote:
> > Maybe not a desktop question, but do you know btrfs's change
> > attribute/i_version status?  Does it default to bumping i_version on
> > each change, or does that still need to be opted in?  And has anyone
> > measured the performance delta (i_version vs. noi_version) recently?
> > 
> 
> Yeah it defaults to bumping it all the time, we just use the normal inode
> changing infrastructure so it gets updated the same way everybody else does.
> AFAIK there's no way to opt out of it, unless there's a -o noiversion that
> exists?

Yeah, there's a -noiversion.

I decided I should actually go check, and a btrfs filesystem created and
mounted with defaults did look like it was doing this right.  Good!

--b.
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