Re: Should write-time tree-checker backported to v5.10?

On Thu, Dec 30, 2021 at 08:06:49AM +0800, Qu Wenruo wrote:

Hi,

Since v5.10 is an LTS release, I'm wondering should we backport write time tree-checker feature to v5.10?

There are already some reports of runtime memory bitflip get written to disk and causing problems.

Unfortunately write-time tree-checker is only introduced in v5.11, one version late.

Considering how many bitflips write-time tree-checker has caught (and prevented corrupted data reaching disk), I think it's definitely worthy to backport it to an LTS kernel.

Or is there any special requirement for LTS kernel to reject certain features?

Stable/LTS kernels do not get new features, sorry. If someone wants this feature, why not just use 5.15?

thanks,

greg k-h