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Mon, 2 Nov 2026 14:50:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793631061; bh=iNga88T+PVpZfmycjurDSPkD9sK5xR0SX7kfbe+Tx54=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=HAfEog47xda8zTdFMvaAY8UduaibQbmV5xxRBJ0191OlQqt2XydHGZFtrSXUNbS58 AFtT00ZqBbfVJ/H/XjgGtIZDGDle82Pa+tLqZ8FQyxzXDykVFW4+gDpHKY+tRzFlIw YK6e8OsM0kDvZDoN8nl4W7r6Syhu+TVQ07b4x+H0xeJkJuUzcBSQBDtmTErPW6xGGD OXD3SZC4tYwy0PvCMkPLOtkiB76JNpNZOV81oGLnAyA/hYKEjzUYYgs5lsCvafcDSS XOjHy+nXg5pWeHaWMYPWeuKt5azway4LiOnI7RzIv1EzsUvbR06rvuDChMCv/TCU6X LHOWdM7kjMyMQ== From: Christian Brauner Date: Mon, 02 Nov 2026 15:48:46 +0100 Subject: [PATCH RFC 06/16] proc: let procfs own the seq_file of DEFINE_PROC_SHOW_ATTRIBUTE() files X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261102-work-procfs-core-v1-6-75df35e4f8b8@kernel.org> References: <20261102-work-procfs-core-v1-0-75df35e4f8b8@kernel.org> In-Reply-To: <20261102-work-procfs-core-v1-0-75df35e4f8b8@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Linus Torvalds , Jann Horn , Josef Bacik , Chris Mason , Jeff Layton , NeilBrown , Eric Dumazet , Thomas Gleixner , Al Viro , Jonathan Corbet , Christoph Hellwig , Greg Kroah-Hartman , Joel Granados , Kees Cook , Jan Kara , Jan Kara , linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-um@lists.infradead.org, linux-wireless@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, ntfs3@lists.linux.dev, platform-driver-x86@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-sound@vger.kernel.org, netfilter-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, ibm-acpi-devel@lists.sourceforge.net, jfs-discussion@lists.sourceforge.net, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, sparclinux@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-doc@vger.kernel.org, linux-serial@vger.kernel.org, linux-atm-general@lists.sourceforge.net, Takashi Iwai , linux-input@vger.kernel.org, linux-raid@vger.kernel.org, linux-ext4@vger.kernel.org, linux-modules@vger.kernel.org, linux-debuggers@vger.kernel.org, "Christian Brauner (Amutable)" , Chuck Lever X-Mailer: b4 0.17-dev X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Declare the show function and let procfs open the seq_file. Signed-off-by: Christian Brauner (Amutable) --- include/linux/seq_file.h | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index dc0e8c62d9e0..b813b7e63d89 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -233,16 +233,8 @@ static const struct file_operations __name ## _fops = { \ } #define DEFINE_PROC_SHOW_ATTRIBUTE(__name) \ -static int __name ## _open(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, __name ## _show, pde_data(inode)); \ -} \ - \ static const struct proc_ops __name ## _proc_ops = { \ - .proc_open = __name ## _open, \ - .proc_read = seq_read, \ - .proc_lseek = seq_lseek, \ - .proc_release = single_release, \ + .proc_show = __name ## _show, \ } static inline struct user_namespace *seq_user_ns(struct seq_file *seq) -- 2.53.0