Re: [PATCH 0/3] ovl: make cachestat() work

[Andrew Morton]

On Tue, 23 Jun 2026 13:14:47 +0200 Pavel Tikhomirov <ptikhomirov@xxxxxxxxxxxxx> wrote:

> We were using cachestat() for our internal Virtuozzo cache related tests
> and I saw that test behaves wrong on overlayfs, syscall returns all
> zeroes instead of any meaningful cache statistics there. Let's fix it
> similar to what was done for fadvise().

Thanks.  Sashiko seems to have a found a couple of issues:
	https://sashiko.dev/#/patchset/20260623111533.2285005-1-ptikhomirov@xxxxxxxxxxxxx