Message ID | 20200917151050.5363-14-willy@infradead.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=Mu/N=C2=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B6DB14F6 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 17 Sep 2020 15:11:10 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E1F4321D24 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 17 Sep 2020 15:11:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Ab937xav" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E1F4321D24 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D82A36B005C; Thu, 17 Sep 2020 11:10:59 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id D0C3F8E0003; 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Thu, 17 Sep 2020 15:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=7bp7tBDREj0/quRwoGKFhcM4IA6X+ak+6znUWRbIy7w=; b=Ab937xavvtVmodPI2thUSGdAlk XIba4t3pVWHQS6GXPdgChNV++4m2pWszb+TrwGgDuHl9lLSuinZjp2hFDRXec+62BpUjm82laGwbh JN/W0bXPQaaE0Q5jmTXDfMNCxo+N33xx38Z5TH1Ekmq6LWsMu3AaAKlJNv2F36kXaJ1bzo4y69HPF L+XH8pTHAvL0tRdG4imOcEeu6JMtw6zPlA/0bm/X/VAPExraituJ0c+ceD9lLq4MB6OiwXHjnFLZM JeoXS++sD/pEEDMkBpD7WdUDOHe1HIUOdAEJpCDDg19BRjFTtuPDBSOja8O+dcKYbSjRiBIs5WHms Nj8/IOiw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIvYl-0001Qv-Jz; Thu, 17 Sep 2020 15:10:55 +0000 From: "Matthew Wilcox (Oracle)" <willy@infradead.org> To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>, linux-mm@kvack.org, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-mtd@lists.infradead.org, Richard Weinberger <richard@nod.at> Subject: [PATCH 13/13] vboxsf: Tell the VFS that readpage was synchronous Date: Thu, 17 Sep 2020 16:10:50 +0100 Message-Id: <20200917151050.5363-14-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200917151050.5363-1-willy@infradead.org> References: <20200917151050.5363-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 0EEB518038E6B X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
Allow readpage to return a locked page
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expand
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diff --git a/fs/vboxsf/file.c b/fs/vboxsf/file.c index c4ab5996d97a..c2a144e5cb5a 100644 --- a/fs/vboxsf/file.c +++ b/fs/vboxsf/file.c @@ -228,6 +228,8 @@ static int vboxsf_readpage(struct file *file, struct page *page) } kunmap(page); + if (!err) + return AOP_UPDATED_PAGE; unlock_page(page); return err; }
The vboxsf inline data readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- fs/vboxsf/file.c | 2 ++ 1 file changed, 2 insertions(+)