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AJvYcCUd115deufJ0U9GrfwI6K8W+PevgqKs+OXcKA7VjxtMaBGDBUVuqdGrqjTyaLggDg8tgQZKTn34kg==@kvack.org X-Gm-Message-State: AOJu0YzOPM94AAaAwb5ho9bqpox82Ym/cJwGOCfUyBs/ASGa6vq88yLn Zi/vgv1TDiRmHHE/VsZyRYITqr2W/5RdezHrqVRe/AqT9bnqnc2icmdpDEZsskJGmyD0hbGi5XX nt0NTci+0CfqBH+2czokppe2yuPVHUXxMizb0FI7i X-Gm-Gg: ASbGncupWbH0GxIMYvURv2iRP5nktE6jO1SkZ6iAx+BF3WCCgzngJ1vm/E1I7WC9yd6 EZfzWlWpilcmAIL09w7iSw0GVs/UIy5PsP9Nm9/BQKLJ3MRV3fgzrDjOWyAZLFEwTuyULXYG8Jx GiXCq1jm1EQyml7dsVjxtyKaTbPR0o++D3L2nrSwXL5w/O3mazGchG5saXemB/sRtS53Z+2pabt 3zST4eUxpJJFMWosXjOn6O6S7Ijc4nOC4NNoihCgEp6nLS75gaAd4uDIKaC X-Google-Smtp-Source: AGHT+IHvIzFCAVsIe9KLnMzhe7HeHw161tWjaGF8dq9LK8mHTJ5LNBNsg03z1RN2kv4hUoIzYntUB79AzDiL37F2WAo= X-Received: by 2002:a05:6402:50d0:b0:638:74dc:cf78 with SMTP id 4fb4d7f45d1cf-64044380bd9mr816143a12.34.1761695932545; Tue, 28 Oct 2025 16:58:52 -0700 (PDT) MIME-Version: 1.0 References: <20251028004614.393374-1-viro@zeniv.linux.org.uk> <20251028004614.393374-11-viro@zeniv.linux.org.uk> In-Reply-To: <20251028004614.393374-11-viro@zeniv.linux.org.uk> From: Paul Moore Date: Tue, 28 Oct 2025 19:58:33 -0400 X-Gm-Features: AWmQ_bnbOFuYYw7q6A3vKx1W9tiGVviHbdGsSFCW7Z6eJ8jFBd6mwoz2mbQdJG4 Message-ID: Subject: Re: [PATCH v2 10/50] configfs, securityfs: kill_litter_super() not needed To: Al Viro Cc: linux-fsdevel@vger.kernel.org, torvalds@linux-foundation.org, brauner@kernel.org, jack@suse.cz, raven@themaw.net, miklos@szeredi.hu, neil@brown.name, a.hindborg@kernel.org, linux-mm@kvack.org, linux-efi@vger.kernel.org, ocfs2-devel@lists.linux.dev, kees@kernel.org, rostedt@goodmis.org, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, casey@schaufler-ca.com, linuxppc-dev@lists.ozlabs.org, john.johansen@canonical.com, selinux@vger.kernel.org, borntraeger@linux.ibm.com, bpf@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Queue-Id: BA75420007 X-Rspamd-Server: rspam03 X-Stat-Signature: 5jqjmekqxs4jn1wr4yu5tmrbj13ydckr X-HE-Tag: 1761695934-993046 X-HE-Meta: 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 ho7ZKzli HHh6mbb3Af1iBTROf1xRNffeLO0ACY99/JF8xrkRumBmCwdAnHZLSMt0IZpGwOqbHg2OWiyRS3nshqW8GuWNzX8a/No9rwNWne01pWxuFxWBxIh13z85R0dYp5EFrWxZTR95PiciOIthd6ebWwe3/1tlOVZw2MdJamCux3aTD6ui1LdKopeGFUBRrA+StyMeaTxxGEa/R6/ehgeFzJdfWWIfdSMRVU4KgPfG5YDMPsumEp4nT4TCwrefdJKpF2NTSljmReEQu45aVZFBPWnGJ46o51E8scVFDiGBqwnyZ+eEf8GpJYnCZ+QCXZykfSzrvttr/jxDBsEC82nofRwkPm9wRPmOlpQOIXRsB+JP1PwrzpZDQSw3mBMby63Iq4uU7FPvJJU9bst1QPsccBIrF1h1K4MfgzqlhQJf5ws+TVRmYaD/yAbKs4E5BwxoP4UXf/X42lLu/cKi40v8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Oct 27, 2025 at 8:46=E2=80=AFPM Al Viro w= rote: > > These are guaranteed to be empty by the time they are shut down; > both are single-instance and there is an internal mount maintained > for as long as there is any contents. > > Both have that internal mount pinned by every object in root. > > In other words, kill_litter_super() boils down to kill_anon_super() > for those. > > Reviewed-by: Joel Becker > Signed-off-by: Al Viro > --- > fs/configfs/mount.c | 2 +- > security/inode.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) Acked-by: Paul Moore (LSM) --=20 paul-moore.com