From patchwork Thu Apr 19 12:41:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10349809 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6A19C602B7 for ; Thu, 19 Apr 2018 12:50:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5C98B28A2A for ; Thu, 19 Apr 2018 12:50:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 50F1728A2E; Thu, 19 Apr 2018 12:50:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EF94228A28 for ; Thu, 19 Apr 2018 12:50:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752900AbeDSMtw (ORCPT ); Thu, 19 Apr 2018 08:49:52 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:39744 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753421AbeDSMno (ORCPT ); Thu, 19 Apr 2018 08:43:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ONCcJlcqxJ1Unnt/MM18l+Og8ZFxeDuMB5U51/JSgCE=; b=IXBnmTxvUGuFeeQRggZAtOn8t dQrDtVaqYG/PMl6rjXFxBcLKiIUlc6kxVuBt5fsB3iDLudbmljVnSEa/TdUI9CtkMPdgjx3fQeZWz xEfP+c/nQJWNK3SUTF7YQ3XagdBwy+VQyYtXUwm6g6/bKGFgk7cuu+PXZjJK8Q7fo6dYV/7vgaaeT TiIDlIXGVowCTaPHPTc+77cIK81eAmajg7mN5b9ptlBM1EaQJHXpFHWPvZQNpLP2pTolwYxztYDEm 6/WpyUA62/oLfHeBaQyyfP3k3gV7+Bn3kp4OZe/1sxPgMuiaYUsXz+3R3VQdReoUhMI8SnrJKclUW xlTJjP7lQ==; Received: from static-242-42-24-46.ipcom.comunitel.net ([46.24.42.242] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1f98u4-00043u-0p; Thu, 19 Apr 2018 12:43:08 +0000 From: Christoph Hellwig To: Andrew Morton , Alexander Viro Cc: Alexey Dobriyan , Greg Kroah-Hartman , Jiri Slaby , Corey Minyard , Alessandro Zummo , Alexandre Belloni , linux-acpi@vger.kernel.org, drbd-dev@lists.linbit.com, linux-ide@vger.kernel.org, netdev@vger.kernel.org, linux-rtc@vger.kernel.org, megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, devel@driverdev.osuosl.org, linux-afs@lists.infradead.org, linux-ext4@vger.kernel.org, jfs-discussion@lists.sourceforge.net, netfilter-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 25/39] drbd: switch to proc_create_single Date: Thu, 19 Apr 2018 14:41:26 +0200 Message-Id: <20180419124140.9309-26-hch@lst.de> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180419124140.9309-1-hch@lst.de> References: <20180419124140.9309-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP And stop messing with try_module_get on THIS_MODULE, which doesn't make any sense here. Signed-off-by: Christoph Hellwig --- drivers/block/drbd/drbd_int.h | 2 +- drivers/block/drbd/drbd_main.c | 3 ++- drivers/block/drbd/drbd_proc.c | 34 +--------------------------------- 3 files changed, 4 insertions(+), 35 deletions(-) diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 06ecee1b528e..461ddec04e7c 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1643,7 +1643,7 @@ void drbd_bump_write_ordering(struct drbd_resource *resource, struct drbd_backin /* drbd_proc.c */ extern struct proc_dir_entry *drbd_proc; -extern const struct file_operations drbd_proc_fops; +int drbd_seq_show(struct seq_file *seq, void *v); /* drbd_actlog.c */ extern bool drbd_al_begin_io_prepare(struct drbd_device *device, struct drbd_interval *i); diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 185f1ef00a7c..c2d154faac02 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3010,7 +3010,8 @@ static int __init drbd_init(void) goto fail; err = -ENOMEM; - drbd_proc = proc_create_data("drbd", S_IFREG | S_IRUGO , NULL, &drbd_proc_fops, NULL); + drbd_proc = proc_create_single("drbd", S_IFREG | S_IRUGO , NULL, + drbd_seq_show); if (!drbd_proc) { pr_err("unable to register proc file\n"); goto fail; diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index 582caeb0de86..74ef29247bb5 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -33,18 +33,7 @@ #include #include "drbd_int.h" -static int drbd_proc_open(struct inode *inode, struct file *file); -static int drbd_proc_release(struct inode *inode, struct file *file); - - struct proc_dir_entry *drbd_proc; -const struct file_operations drbd_proc_fops = { - .owner = THIS_MODULE, - .open = drbd_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = drbd_proc_release, -}; static void seq_printf_with_thousands_grouping(struct seq_file *seq, long v) { @@ -235,7 +224,7 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se } } -static int drbd_seq_show(struct seq_file *seq, void *v) +int drbd_seq_show(struct seq_file *seq, void *v) { int i, prev_i = -1; const char *sn; @@ -345,24 +334,3 @@ static int drbd_seq_show(struct seq_file *seq, void *v) return 0; } - -static int drbd_proc_open(struct inode *inode, struct file *file) -{ - int err; - - if (try_module_get(THIS_MODULE)) { - err = single_open(file, drbd_seq_show, NULL); - if (err) - module_put(THIS_MODULE); - return err; - } - return -ENODEV; -} - -static int drbd_proc_release(struct inode *inode, struct file *file) -{ - module_put(THIS_MODULE); - return single_release(inode, file); -} - -/* PROC FS stuff end */