From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FC58C76190 for ; Mon, 22 Jul 2019 20:12:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0937C2190F for ; Mon, 22 Jul 2019 20:12:42 +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="i9/Kdvdm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732505AbfGVUMk (ORCPT ); Mon, 22 Jul 2019 16:12:40 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:45226 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726661AbfGVUMj (ORCPT ); Mon, 22 Jul 2019 16:12:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: 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=bfLmWXV/nrrqXDOEWOu/R7DETbmXbOFW5IFOUQ6hF1c=; b=i9/KdvdmZnYp/DbQ0SSRUC0G8 /lIlSLetqouYopvm9+jynzGVGTagW5Ivp+gXmk7iiVrSVAbUX05giuUT8x3IlcbB9QEk8HqAJyEoV nw11D5uo9lazOekAZSf5XLPXXeMJB2753CHTNmigMeLhoq+uT+of80Bk3V+pDFbAf8rBYIX4MXSOH dZVoXijMYBpxOgqz4K1peisUMGYHtxriCniswihBGybZHRY2dTvHGtkdCkCLx9ktnsAH7LVYX6Oat fCw38YMYeUA2/S/U48Ytr6eiBGsZJ93Jm/CWxe73h+jMKAipQw3hf+RX2KVorf8Ngo54twTtM0gGh 02badTKsA==; Received: from willy by bombadil.infradead.org with local (Exim 4.92 #3 (Red Hat Linux)) id 1hpefi-0005Ut-NF; Mon, 22 Jul 2019 20:12:34 +0000 Date: Mon, 22 Jul 2019 13:12:34 -0700 From: Matthew Wilcox To: Christoph Hellwig Cc: "Darrick J . Wong" , Damien Le Moal , Andreas Gruenbacher , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 01/12] list.h: add list_pop and list_pop_entry helpers Message-ID: <20190722201234.GG363@bombadil.infradead.org> References: <20190722095024.19075-1-hch@lst.de> <20190722095024.19075-2-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190722095024.19075-2-hch@lst.de> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 22, 2019 at 11:50:13AM +0200, Christoph Hellwig wrote: > We have a very common pattern where we want to delete the first entry > from a list and return it as the properly typed container structure. > > Add two helpers to implement this behavior. > > Signed-off-by: Christoph Hellwig Reviewed-by: Matthew Wilcox (Oracle)