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=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 EBE41C433DB for ; Tue, 9 Mar 2021 15:55:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7476265253 for ; Tue, 9 Mar 2021 15:55:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7476265253 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 02A528D0105; Tue, 9 Mar 2021 10:55:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F1EF58D007F; Tue, 9 Mar 2021 10:55:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D47AC8D0105; Tue, 9 Mar 2021 10:55:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0166.hostedemail.com [216.40.44.166]) by kanga.kvack.org (Postfix) with ESMTP id BA0888D007F for ; Tue, 9 Mar 2021 10:55:08 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 70C85180AD817 for ; Tue, 9 Mar 2021 15:55:08 +0000 (UTC) X-FDA: 77900784696.02.4A6389E Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf09.hostedemail.com (Postfix) with ESMTP id C23FB60024A6 for ; Tue, 9 Mar 2021 15:55:04 +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: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=KGWSD1qzjw8jWYcVTd5k5Vux/eD/dPBH9TiN6yLVseE=; b=UqioM+JOtMrCZY+99WNlohS+n6 D8sXLpSvt07nrEhE9GYHmdMTmjw4DL1jAclk+Ci+jnYGdn+IEIwZ0S8fpKJ2whNwkyjmljxBPh47g cMsKfNPA0fujb0XrwseHmDs/2m816gk63sTddN9x9X9wgRohgavTvx8tm6KQtpAyIG7cxz0OK5MKP PgIH6/WtutbbPjhpmXZVF7C1m9jWVkHGrdDIIbgcgrxaJ3JqKKlPb7/Swf8vZxBO2cCE67ILF7rVn MmRlVgFU4oQqmQ/DBvwu33p+M9TPPMt61GrQMTQJl2w3aFf67m+MltPsTuxfefjtilLeB/ZfnOnxB lkLQIpmA==; Received: from [2001:4bb8:180:9884:c70:4a89:bc61:3] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lJegA-000lLy-1I; Tue, 09 Mar 2021 15:53:56 +0000 From: Christoph Hellwig To: Al Viro Cc: Andrew Morton , Daniel Vetter , Nadav Amit , "VMware, Inc." , "Michael S. Tsirkin" , David Hildenbrand , Minchan Kim , Nitin Gupta , Jason Gunthorpe , Alex Williamson , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: make alloc_anon_inode more useful Date: Tue, 9 Mar 2021 16:53:39 +0100 Message-Id: <20210309155348.974875-1-hch@lst.de> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Stat-Signature: 64zyun7xhkfx4wbh7w5uintqnuew333z X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C23FB60024A6 Received-SPF: none (casper.srs.infradead.org>: No applicable sender policy available) receiver=imf09; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615305304-313510 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: Hi all, this series first renames the existing alloc_anon_inode to alloc_anon_inode_sb to clearly mark it as requiring a superblock. It then adds a new alloc_anon_inode that works on the anon_inode file system super block, thus removing tons of boilerplate code. The few remainig callers of alloc_anon_inode_sb all use alloc_file_pseudo later, but might also be ripe for some cleanup. Diffstat: arch/powerpc/platforms/pseries/cmm.c | 27 +------------- drivers/dma-buf/dma-buf.c | 2 - drivers/gpu/drm/drm_drv.c | 64 +---------------------------= ------- drivers/misc/cxl/api.c | 2 - drivers/misc/vmw_balloon.c | 24 +------------ drivers/scsi/cxlflash/ocxl_hw.c | 2 - drivers/virtio/virtio_balloon.c | 30 +--------------- fs/aio.c | 2 - fs/anon_inodes.c | 15 +++++++- fs/libfs.c | 2 - include/linux/anon_inodes.h | 1=20 include/linux/fs.h | 2 - kernel/resource.c | 30 ++-------------- mm/z3fold.c | 38 +------------------- mm/zsmalloc.c | 48 +------------------------- 15 files changed, 39 insertions(+), 250 deletions(-)