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

Andrew Morton <[email protected]> Wed, 24 Jun 2026 13:50:02 -0700
Newsgroups org.kernel.vger.linux-unionfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kvack.linux-mm
Message-ID <[email protected]>
On Tue, 23 Jun 2026 13:14:47 +0200 Pavel Tikhomirov <[email protected]> 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/[email protected]