From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 735F62DF3C9 for ; Tue, 17 Jun 2025 15:42:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750174950; cv=none; b=tvxWvLoZ8IrMpDvXXuojxgwA+490jbdbg/xQ4pJ6iGVEa5PqgqWqH3Vdz63nsti/ttu1/KjPyqwMwumrjtTR4wr/waDRzNhRlsISZKyWa3/aE62XqyHKHXsx7hNtySB0aQDKbPxKtdISaDQn+G/UsnBBrySmZAHii15UecqiEm0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750174950; c=relaxed/simple; bh=TkxYktSgz9zyXmB8yEmnxIsftBD7vhICpHMNCM7oCZA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=b+LvbVHz9DOk4Yf1q1Ah9MYnOMEHQjHkdE/i+mvY+unBVf5QS3rM6q2RS7KOoVSRRu7jEGPDQa+KQakQEHFNNU/tg5l+QlywA8m++ElqVbcPh4yIF0awu7rFfaJ/ywyyG/9I4q473635oIkz4oazOqSv4fAwtF2K+u9c3xuvib8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mul7pjbL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mul7pjbL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0190AC4CEE3; Tue, 17 Jun 2025 15:42:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750174950; bh=TkxYktSgz9zyXmB8yEmnxIsftBD7vhICpHMNCM7oCZA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=mul7pjbLREmnRU7XvbIbhNuzdRDK7dGzM11q0MctJtjfHBN5UZvYSqnRPCj5Dy3if yBpZKXB398hTso4mgnFBPyohMV/RI+/T5jg6p/l9SrTfIn0fUA7Rsq6MnfUITJQkAV YA+BExRaA6G98r22LnZ24UVtkx91eLtph+/EK/7eaJ71x1fbbSG6tBcwuVN9Mrswq5 HSt+RGnq/qEjQagHXubHl/S/tmbHuP6gLjdJdGKeI0S8i6nccq2tddeIXwqqVDltZr DrqmjHqFJYgM+oBAeZou2+j0nA2cBS7vWaQSNAT8RIghjtfXFy6hy5QDN7nP17+TkV Q2J5ZbnM8NqOw== From: Christian Brauner Date: Tue, 17 Jun 2025 17:42:12 +0200 Subject: [PATCH RFC 4/9] pidfs: make inodes mutable Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250617-work-pidfs-xattr-v1-4-2d0df10405bb@kernel.org> References: <20250617-work-pidfs-xattr-v1-0-2d0df10405bb@kernel.org> In-Reply-To: <20250617-work-pidfs-xattr-v1-0-2d0df10405bb@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Jann Horn , Josef Bacik , Jeff Layton , Daan De Meyer , Lennart Poettering , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Christian Brauner , Alexander Mikhalitsyn X-Mailer: b4 0.15-dev-262a7 X-Developer-Signature: v=1; a=openpgp-sha256; l=690; i=brauner@kernel.org; h=from:subject:message-id; bh=TkxYktSgz9zyXmB8yEmnxIsftBD7vhICpHMNCM7oCZA=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWQE9txYcS84vlJEtHvuupyd92JnbxRZ+5tBudnrwbPPL 9ZnnHmU2VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjCRUnWGPzz8nu7mzOvcxBrU rFbcjDWSt9zWs6Fp/kPHz98Ucsomrmb4H32v6uQByeJMmaB/F6/aVLw607pmjp/5XVXz+9KFFYs D+QE= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Prepare for allowing extended attributes to be set on pidfd inodes by allowing them to be mutable. Signed-off-by: Christian Brauner --- fs/pidfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/pidfs.c b/fs/pidfs.c index 9373d03fd263..ca217bfe6e40 100644 --- a/fs/pidfs.c +++ b/fs/pidfs.c @@ -892,6 +892,8 @@ static int pidfs_init_inode(struct inode *inode, void *data) inode->i_private = data; inode->i_flags |= S_PRIVATE | S_ANON_INODE; + /* We allow to set xattrs. */ + inode->i_flags &= ~S_IMMUTABLE; inode->i_mode |= S_IRWXU; inode->i_op = &pidfs_inode_operations; inode->i_fop = &pidfs_file_operations; -- 2.47.2