From patchwork Wed Oct 30 15:26:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 1186813 X-Patchwork-Delegate: richard@nod.at Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VtdTcgEi"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 473C643xqmz9sP4 for ; Thu, 31 Oct 2019 02:28:44 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KJNM/St4iLoXOIts7Ct26lImXYYydKeHg1qUUk6cClI=; b=VtdTcgEiBP/HXm J/zbeA7RE4AR1hix/Sv9d/+dFZTNH3Kp7XK4+Ml2p6jrBZP/0JmIGBsge/KVaMB0ddq1py7FZP0eP fvR9O6CjIKjFdWY+4ISBZIw8/9MdPGrWAA78dgHk1SxdJEdl76eDtQjvJ/FvyW91ol8SRDH/dMrkk TKWwAMluUQzq+vNknE6vs+VOXzZ3CwjUizwYKcAkj5OPauoPF5sjz9EWDxpOsO7Gd+jwcUm3GO0Vc 755Go6Epw8Or6L9V8wO4Qvxkfocf9zpqC2ZTsrX4mQDtS9FvzIv0WWpFTl7X2VcdL9sWel8mrHMcE MZi1u0EsuQD40379o5kQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPptq-0006x7-Bv; Wed, 30 Oct 2019 15:28:42 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPpsg-0005qj-EN for linux-mtd@lists.infradead.org; Wed, 30 Oct 2019 15:27:33 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iPpsG-0003Y1-Ol; Wed, 30 Oct 2019 16:27:04 +0100 Received: from sha by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1iPpsF-0005nA-Sp; Wed, 30 Oct 2019 16:27:03 +0100 From: Sascha Hauer To: linux-fsdevel@vger.kernel.org Subject: [PATCH 03/10] quota: Introduce dquot_enable_sb() Date: Wed, 30 Oct 2019 16:26:55 +0100 Message-Id: <20191030152702.14269-4-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.24.0.rc1 In-Reply-To: <20191030152702.14269-1-s.hauer@pengutronix.de> References: <20191030152702.14269-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-mtd@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191030_082730_540907_6674F8AF X-CRM114-Status: GOOD ( 12.06 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , Sascha Hauer , linux-mtd@lists.infradead.org, kernel@pengutronix.de, Jan Kara Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org To support filesystems that do not store the quota informations in an inode create dquot_enable_sb(). This is a variant of dquot_enable() which takes a superblock instead of an inode This is a variant of dquot_enable() which takes a superblock instead of an inode. Signed-off-by: Sascha Hauer --- fs/quota/dquot.c | 21 +++++++++++++++++---- include/linux/quotaops.h | 2 ++ 2 files changed, 19 insertions(+), 4 deletions(-) diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index bbe3be21ff43..93bcdb83b69a 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2473,11 +2473,9 @@ EXPORT_SYMBOL(dquot_quota_on); * More powerful function for turning on quotas allowing setting * of individual quota flags */ -int dquot_enable(struct inode *inode, int type, int format_id, - unsigned int flags) +static int __dquot_enable(struct super_block *sb, struct inode *inode, + int type, int format_id, unsigned int flags) { - struct super_block *sb = inode->i_sb; - /* Just unsuspend quotas? */ BUG_ON(flags & DQUOT_SUSPENDED); /* s_umount should be held in exclusive mode */ @@ -2502,8 +2500,23 @@ int dquot_enable(struct inode *inode, int type, int format_id, return vfs_load_quota_inode(sb, inode, type, format_id, flags); } + +int dquot_enable(struct inode *inode, int type, int format_id, + unsigned int flags) +{ + struct super_block *sb = inode->i_sb; + + return __dquot_enable(sb, inode, type, format_id, flags); +} EXPORT_SYMBOL(dquot_enable); +int dquot_enable_sb(struct super_block *sb, int type, + int format_id, unsigned int flags) +{ + return __dquot_enable(sb, NULL, type, format_id, flags); +} +EXPORT_SYMBOL(dquot_enable_sb); + /* * This function is used when filesystem needs to initialize quotas * during mount time. diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 185d94829701..9c0f76e5e0b1 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -89,6 +89,8 @@ int dquot_file_open(struct inode *inode, struct file *file); int dquot_enable(struct inode *inode, int type, int format_id, unsigned int flags); +int dquot_enable_sb(struct super_block *sb, int type, int format_id, + unsigned int flags); int dquot_quota_on(struct super_block *sb, int type, int format_id, const struct path *path); int dquot_quota_on_mount(struct super_block *sb, char *qf_name,