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
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!