From: Al Viro <viro@zeniv.linux.org.uk>
To: Tingmao Wang <m@maowtm.org>
Cc: "Mickaël Salaün" <mic@digikod.net>, "Song Liu" <song@kernel.org>,
"Günther Noack" <gnoack@google.com>, "Jan Kara" <jack@suse.cz>,
"Alexei Starovoitov" <alexei.starovoitov@gmail.com>,
"Christian Brauner" <brauner@kernel.org>,
linux-security-module@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [RFC PATCH 3/3] Restart pathwalk on rename seqcount change
Date: Wed, 4 Jun 2025 01:55:46 +0100 [thread overview]
Message-ID: <20250604005546.GE299672@ZenIV> (raw)
In-Reply-To: <7452abd023a695a7cb87d0a30536e9afecae0e9a.1748997840.git.m@maowtm.org>
On Wed, Jun 04, 2025 at 01:45:45AM +0100, Tingmao Wang wrote:
> + rename_seqcount = read_seqbegin(&rename_lock);
> + if (rename_seqcount % 2 == 1) {
Please, describe the condition when that can happen, preferably
along with a reproducer.
next prev parent reply other threads:[~2025-06-04 0:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-04 0:45 [RFC PATCH 0/3] landlock: walk parent dir with RCU, without taking references Tingmao Wang
2025-06-04 0:45 ` [RFC PATCH 1/3] landlock: walk parent dir " Tingmao Wang
2025-06-04 17:15 ` Mickaël Salaün
2025-06-04 21:05 ` Tingmao Wang
2025-06-06 10:25 ` Christian Brauner
2025-06-04 0:45 ` [RFC PATCH 2/3] selftests/landlock: Add fs_race_test Tingmao Wang
2025-06-04 0:45 ` [RFC PATCH 3/3] Restart pathwalk on rename seqcount change Tingmao Wang
2025-06-04 0:55 ` Al Viro [this message]
2025-06-04 1:12 ` Tingmao Wang
2025-06-04 2:21 ` Al Viro
2025-06-04 18:56 ` Tingmao Wang
2025-06-04 19:17 ` Tingmao Wang
2025-06-04 1:09 ` Tingmao Wang
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