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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 A1B20C4332D for ; Tue, 9 Mar 2021 15:55:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81D566528A for ; Tue, 9 Mar 2021 15:55:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231940AbhCIPzT (ORCPT ); Tue, 9 Mar 2021 10:55:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49050 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231246AbhCIPzG (ORCPT ); Tue, 9 Mar 2021 10:55:06 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45334C06174A; Tue, 9 Mar 2021 07:55:06 -0800 (PST) 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=7nuDahRSmYJ6PThyWDr7Xu918vQCfVTiqk1yVO8AeRg=; b=Vjun9SYZDP9JrvLc48F11Twd4e R5XJpfUwpMyzQ7LtqixDEwkdoeqMTSNnJdErVwe0Gzw90B+bXKlQrQtVddfTJjnxrXXk9GJdmnkLG JWtTCjj1tN3tRiy5QVYGaGk4mgMQDl7FurXRb5D9u2XjIb0BBWxIW2/CEBaVK1OQH9jbs+X8Xd9SG CQBblQ+dHU5PcnYPQf4yUg5m2Jit6/wznYXt69OGzneI5IxXDIsKy0DIl2KrOqddiHgFmAS6r1eUq afS57DyaEcVHy1jBTyC8xHx/LlT6dBW1HchxjZs5WfYY5xaJbcPB/sgk69m8QFMOAW8SbI69fEk8h JaExt8Tg==; 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 1lJegk-000lND-Rr; Tue, 09 Mar 2021 15:54:29 +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: [PATCH 3/9] powerpc/pseries: remove the ppc-cmm file system Date: Tue, 9 Mar 2021 16:53:42 +0100 Message-Id: <20210309155348.974875-4-hch@lst.de> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210309155348.974875-1-hch@lst.de> References: <20210309155348.974875-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just use the generic anon_inode file system. Signed-off-by: Christoph Hellwig --- arch/powerpc/platforms/pseries/cmm.c | 27 ++------------------------- 1 file changed, 2 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 6d36b858b14df1..9d07e6bea7126c 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -6,6 +6,7 @@ * Author(s): Brian King (brking@linux.vnet.ibm.com), */ +#include #include #include #include @@ -502,19 +503,6 @@ static struct notifier_block cmm_mem_nb = { }; #ifdef CONFIG_BALLOON_COMPACTION -static struct vfsmount *balloon_mnt; - -static int cmm_init_fs_context(struct fs_context *fc) -{ - return init_pseudo(fc, PPC_CMM_MAGIC) ? 0 : -ENOMEM; -} - -static struct file_system_type balloon_fs = { - .name = "ppc-cmm", - .init_fs_context = cmm_init_fs_context, - .kill_sb = kill_anon_super, -}; - static int cmm_migratepage(struct balloon_dev_info *b_dev_info, struct page *newpage, struct page *page, enum migrate_mode mode) @@ -573,19 +561,10 @@ static int cmm_balloon_compaction_init(void) balloon_devinfo_init(&b_dev_info); b_dev_info.migratepage = cmm_migratepage; - balloon_mnt = kern_mount(&balloon_fs); - if (IS_ERR(balloon_mnt)) { - rc = PTR_ERR(balloon_mnt); - balloon_mnt = NULL; - return rc; - } - - b_dev_info.inode = alloc_anon_inode_sb(balloon_mnt->mnt_sb); + b_dev_info.inode = alloc_anon_inode(); if (IS_ERR(b_dev_info.inode)) { rc = PTR_ERR(b_dev_info.inode); b_dev_info.inode = NULL; - kern_unmount(balloon_mnt); - balloon_mnt = NULL; return rc; } @@ -597,8 +576,6 @@ static void cmm_balloon_compaction_deinit(void) if (b_dev_info.inode) iput(b_dev_info.inode); b_dev_info.inode = NULL; - kern_unmount(balloon_mnt); - balloon_mnt = NULL; } #else /* CONFIG_BALLOON_COMPACTION */ static int cmm_balloon_compaction_init(void) -- 2.30.1 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 89FA9C433E0 for ; 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See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Gunthorpe , David Hildenbrand , "VMware, Inc." , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, Minchan Kim , Alex Williamson , Nadav Amit , Daniel Vetter , linux-fsdevel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, Nitin Gupta Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Just use the generic anon_inode file system. Signed-off-by: Christoph Hellwig --- arch/powerpc/platforms/pseries/cmm.c | 27 ++------------------------- 1 file changed, 2 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 6d36b858b14df1..9d07e6bea7126c 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -6,6 +6,7 @@ * Author(s): Brian King (brking@linux.vnet.ibm.com), */ +#include #include #include #include @@ -502,19 +503,6 @@ static struct notifier_block cmm_mem_nb = { }; #ifdef CONFIG_BALLOON_COMPACTION -static struct vfsmount *balloon_mnt; - -static int cmm_init_fs_context(struct fs_context *fc) -{ - return init_pseudo(fc, PPC_CMM_MAGIC) ? 0 : -ENOMEM; -} - -static struct file_system_type balloon_fs = { - .name = "ppc-cmm", - .init_fs_context = cmm_init_fs_context, - .kill_sb = kill_anon_super, -}; - static int cmm_migratepage(struct balloon_dev_info *b_dev_info, struct page *newpage, struct page *page, enum migrate_mode mode) @@ -573,19 +561,10 @@ static int cmm_balloon_compaction_init(void) balloon_devinfo_init(&b_dev_info); b_dev_info.migratepage = cmm_migratepage; - balloon_mnt = kern_mount(&balloon_fs); - if (IS_ERR(balloon_mnt)) { - rc = PTR_ERR(balloon_mnt); - balloon_mnt = NULL; - return rc; - } - - b_dev_info.inode = alloc_anon_inode_sb(balloon_mnt->mnt_sb); + b_dev_info.inode = alloc_anon_inode(); if (IS_ERR(b_dev_info.inode)) { rc = PTR_ERR(b_dev_info.inode); b_dev_info.inode = NULL; - kern_unmount(balloon_mnt); - balloon_mnt = NULL; return rc; } @@ -597,8 +576,6 @@ static void cmm_balloon_compaction_deinit(void) if (b_dev_info.inode) iput(b_dev_info.inode); b_dev_info.inode = NULL; - kern_unmount(balloon_mnt); - balloon_mnt = NULL; } #else /* CONFIG_BALLOON_COMPACTION */ static int cmm_balloon_compaction_init(void) -- 2.30.1 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 58A43C433DB for ; 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See http://www.infradead.org/rpr.html Cc: Jason Gunthorpe , "VMware, Inc." , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, Minchan Kim , Nadav Amit , Daniel Vetter , linux-fsdevel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, Nitin Gupta X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Just use the generic anon_inode file system. Signed-off-by: Christoph Hellwig --- arch/powerpc/platforms/pseries/cmm.c | 27 ++------------------------- 1 file changed, 2 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 6d36b858b14df1..9d07e6bea7126c 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -6,6 +6,7 @@ * Author(s): Brian King (brking@linux.vnet.ibm.com), */ +#include #include #include #include @@ -502,19 +503,6 @@ static struct notifier_block cmm_mem_nb = { }; #ifdef CONFIG_BALLOON_COMPACTION -static struct vfsmount *balloon_mnt; - -static int cmm_init_fs_context(struct fs_context *fc) -{ - return init_pseudo(fc, PPC_CMM_MAGIC) ? 0 : -ENOMEM; -} - -static struct file_system_type balloon_fs = { - .name = "ppc-cmm", - .init_fs_context = cmm_init_fs_context, - .kill_sb = kill_anon_super, -}; - static int cmm_migratepage(struct balloon_dev_info *b_dev_info, struct page *newpage, struct page *page, enum migrate_mode mode) @@ -573,19 +561,10 @@ static int cmm_balloon_compaction_init(void) balloon_devinfo_init(&b_dev_info); b_dev_info.migratepage = cmm_migratepage; - balloon_mnt = kern_mount(&balloon_fs); - if (IS_ERR(balloon_mnt)) { - rc = PTR_ERR(balloon_mnt); - balloon_mnt = NULL; - return rc; - } - - b_dev_info.inode = alloc_anon_inode_sb(balloon_mnt->mnt_sb); + b_dev_info.inode = alloc_anon_inode(); if (IS_ERR(b_dev_info.inode)) { rc = PTR_ERR(b_dev_info.inode); b_dev_info.inode = NULL; - kern_unmount(balloon_mnt); - balloon_mnt = NULL; return rc; } @@ -597,8 +576,6 @@ static void cmm_balloon_compaction_deinit(void) if (b_dev_info.inode) iput(b_dev_info.inode); b_dev_info.inode = NULL; - kern_unmount(balloon_mnt); - balloon_mnt = NULL; } #else /* CONFIG_BALLOON_COMPACTION */ static int cmm_balloon_compaction_init(void) -- 2.30.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization