From patchwork Thu Feb 2 17:34:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 9552767 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BDEE2604E1 for ; Thu, 2 Feb 2017 17:36:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B4D8C28422 for ; Thu, 2 Feb 2017 17:36:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A9BD528437; Thu, 2 Feb 2017 17:36:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5562A2849B for ; Thu, 2 Feb 2017 17:36:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752449AbdBBRg4 (ORCPT ); Thu, 2 Feb 2017 12:36:56 -0500 Received: from mx2.suse.de ([195.135.220.15]:45526 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752325AbdBBRgE (ORCPT ); Thu, 2 Feb 2017 12:36:04 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id ED644ADAA; Thu, 2 Feb 2017 17:35:58 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 6C2A01E3017; Thu, 2 Feb 2017 18:35:54 +0100 (CET) From: Jan Kara To: Cc: Christoph Hellwig , linux-block@vger.kernel.org, Jan Kara , Jan Harkes , coda@cs.cmu.edu, codalist@coda.cs.cmu.edu Subject: [PATCH 15/24] coda: Convert to separately allocated bdi Date: Thu, 2 Feb 2017 18:34:13 +0100 Message-Id: <20170202173422.3240-16-jack@suse.cz> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170202173422.3240-1-jack@suse.cz> References: <20170202173422.3240-1-jack@suse.cz> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Allocate struct backing_dev_info separately instead of embedding it inside the superblock. This unifies handling of bdi among users. CC: Jan Harkes CC: coda@cs.cmu.edu CC: codalist@coda.cs.cmu.edu Signed-off-by: Jan Kara --- fs/coda/inode.c | 11 ++++------- include/linux/coda_psdev.h | 1 - 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 71dbe7e287ce..b72eb96f3f96 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -183,10 +183,6 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) goto unlock_out; } - error = bdi_setup_and_register(&vc->bdi, "coda"); - if (error) - goto unlock_out; - vc->vc_sb = sb; mutex_unlock(&vc->vc_mutex); @@ -197,7 +193,10 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = CODA_SUPER_MAGIC; sb->s_op = &coda_super_operations; sb->s_d_op = &coda_dentry_operations; - sb->s_bdi = &vc->bdi; + + error = super_setup_bdi(sb); + if (error) + goto error; /* get root fid from Venus: this needs the root inode */ error = venus_rootfid(sb, &fid); @@ -228,7 +227,6 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) error: mutex_lock(&vc->vc_mutex); - bdi_destroy(&vc->bdi); vc->vc_sb = NULL; sb->s_fs_info = NULL; unlock_out: @@ -240,7 +238,6 @@ static void coda_put_super(struct super_block *sb) { struct venus_comm *vcp = coda_vcp(sb); mutex_lock(&vcp->vc_mutex); - bdi_destroy(&vcp->bdi); vcp->vc_sb = NULL; sb->s_fs_info = NULL; mutex_unlock(&vcp->vc_mutex); diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 5b8721efa948..31e4e1f1547c 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -15,7 +15,6 @@ struct venus_comm { struct list_head vc_processing; int vc_inuse; struct super_block *vc_sb; - struct backing_dev_info bdi; struct mutex vc_mutex; };