From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 905CC606C91F for ; Wed, 4 Nov 2026 19:31:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QTUtfoyG Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4jKbD02L99z2yYd; Thu, 05 Nov 2026 06:31:44 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c04:e001:324:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1793820704; cv=none; b=A+bpAZpsFfhPK+Qa9PfxMdNtUhAvFA95LfCWKxALiF6KdmcsCAaYhl7GxbqE4bD7czkTpte0fLPg7crP9Zk/xLnHWo36wJ84jfSIEo8w2DIFRmXj7SVxcFgsjBjMMs/jRx2K6bGV5XeFyXtxrrwSypT0DEp0ss64uRsHxXP075SWQFaldEmjTNExLSa8idtu5GBEL4x64pcX3isW2tIw0cGQ+G7LjcqjfxUQNqsG0HkwTlFou+oZKSVjG0izhW2wufdnJOWfS/u6oIrd1VMpgE83NgcqtsqCGG6hnst5dvdrIkAh1twN/t6UlU7sK7v1cFfxgSHklbLyMONj9S/I0Q== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1793820704; c=relaxed/relaxed; bh=iNga88T+PVpZfmycjurDSPkD9sK5xR0SX7kfbe+Tx54=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HiTO5jxL6CL4zuU8uwcbG9Nbk6jV6wKIpr8ev9Xrg2Uai3KY+nXjvJQvkklM/pETlMwFyrucmnCXjyNDNriUgCDWfCjwUQQF1AOE0UcPiKEMLoGpedZz5/BHB0mY5hcXo4kML2Jnd0kGgbYVr+wVYW+v0iAjNriNjexc6HZvvn9sa+OeDl5Fxe0mmDc/XmGR40Ii3xKA21/bqp/pICay+v5740xhIppmHSlr7Ixeov8C+OGlvJecnk3kRUTRKtlGTPhlEe5A6zwGE9dMWestRSz7BVo6KZeX8EisgR9BNoI4o0G9FAMhnyyyA85oxHCU/LrjeV0nQ6CACF+13fRIYw== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QTUtfoyG; dkim-atps=neutral; spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=brauner@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QTUtfoyG; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=brauner@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4jKbCz3cX6z2yVd for ; Thu, 05 Nov 2026 06:31:43 +1100 (AEDT) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 9850560D8B; Wed, 4 Nov 2026 19:31:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C04D1F00A15; Wed, 4 Nov 2026 19:31:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793820701; bh=iNga88T+PVpZfmycjurDSPkD9sK5xR0SX7kfbe+Tx54=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=QTUtfoyG9KimBN6AkuRRVKxf3yuHufM2Wi/2H06w/quFXdhMDoJ9b0J6ZGIpIGDK5 z976qLZrwGZZUEOM/2QIyKDbUKj8FDXwDBDduM9rT2JEpxfbS5W9S6Mm8PwwlXubYy Byfx1vCeM6TyCBhpgKK3txGGQOhUx2gc7WMApbzBGlSMkxBhA0OSCSFLxKPNEU7q0h FqpNY0wnGJwPDfBnXRKv+pXROQVVMWRvXSvePhYyYWGDW0C1FBZKM6snqSFwxIPGpL n/TNrzyLKLnTrYCGsUsu1BjbO8fvjf0609ggkLleGQJeqlMRkm/wkvB/Y3xMoP4jHN 3X4C+LMwgRt5Q== From: Christian Brauner 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 Subject: [PATCH RESEND v2 09/23] proc: let procfs own the seq_file of DEFINE_PROC_SHOW_ATTRIBUTE() files Date: Wed, 4 Nov 2026 20:31:27 +0100 Message-ID: <20261104-work-procfs-core-v2-9-76ace653a773@kernel.org> In-Reply-To: <20261104-work-procfs-core-v2-0-76ace653a773@kernel.org> References: <20261104-work-procfs-core-v2-0-76ace653a773@kernel.org> 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" X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1051; i=brauner@kernel.org; h=from:subject:message-id; bh=asSZ4ovZjSippDtL33YbhRRNyZXb/VmTI9lzg7rupAw=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWS9bq/5nqVqXtG267Wf70TxqQELt9YvquFOrjuo9Dzyi bzbsaDujlIWBjEuBlkxRRaHdpNwueU8FZuNMjVg5rAygQxh4OIUgIm8Wc7IMPEii96mWaJZ+q4z Be1mv1zvuTjM8YLV/BfT77Nf3z5H/zQjw1zRTpZdUeKsERs+f18mIsCt+iZRS73q0Q+xwL2+7nb POQA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Content-Transfer-Encoding: 8bit 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