From: Andrew Morton <akpm@linux-foundation.org>
To: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
Amir Goldstein <amir73il@gmail.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Nhat Pham <nphamcs@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Shuah Khan <shuah@kernel.org>,
linux-unionfs@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH 0/3] ovl: make cachestat() work
Date: Wed, 24 Jun 2026 13:50:02 -0700 [thread overview]
Message-ID: <20260624135002.09ab1f9387eb4708b0707175@linux-foundation.org> (raw)
In-Reply-To: <20260623111533.2285005-1-ptikhomirov@virtuozzo.com>
On Tue, 23 Jun 2026 13:14:47 +0200 Pavel Tikhomirov <ptikhomirov@virtuozzo.com> 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@virtuozzo.com
prev parent reply other threads:[~2026-06-24 20:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-23 11:14 Pavel Tikhomirov
2026-06-23 11:14 ` [PATCH 1/3] fs, mm: add ->cachestat() file operation Pavel Tikhomirov
2026-06-23 13:48 ` Johannes Weiner
2026-06-23 14:55 ` Pavel Tikhomirov
2026-06-23 15:34 ` Amir Goldstein
2026-06-24 11:59 ` Pavel Tikhomirov
2026-06-24 14:11 ` Amir Goldstein
2026-06-25 10:36 ` Christian Brauner
2026-06-26 15:18 ` Amir Goldstein
2026-06-30 7:55 ` Christian Brauner
2026-06-30 9:45 ` Pavel Tikhomirov
2026-06-30 10:56 ` Amir Goldstein
2026-06-23 16:01 ` Nhat Pham
2026-06-24 11:46 ` Pavel Tikhomirov
2026-06-23 11:14 ` [PATCH 2/3] ovl: support cachestat() syscall on overlayfs files Pavel Tikhomirov
2026-06-23 17:12 ` Nhat Pham
2026-06-24 11:45 ` Pavel Tikhomirov
2026-06-24 14:16 ` Amir Goldstein
2026-06-24 19:06 ` Nhat Pham
2026-06-25 12:53 ` Matthew Wilcox
2026-06-25 16:12 ` Nhat Pham
2026-06-23 11:14 ` [PATCH 3/3] selftests/cachestat: add an overlayfs test case Pavel Tikhomirov
2026-06-23 16:13 ` Nhat Pham
2026-06-24 12:22 ` Pavel Tikhomirov
2026-06-24 20:50 ` Andrew Morton [this message]
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