From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:33831 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756014AbdC2K4d (ORCPT ); Wed, 29 Mar 2017 06:56:33 -0400 From: Jan Kara To: Cc: linux-block@vger.kernel.org, Christoph Hellwig , Jan Kara , Boaz Harrosh , Benny Halevy Subject: [PATCH 15/25] exofs: Convert to separately allocated bdi Date: Wed, 29 Mar 2017 12:56:13 +0200 Message-Id: <20170329105623.18241-16-jack@suse.cz> In-Reply-To: <20170329105623.18241-1-jack@suse.cz> References: <20170329105623.18241-1-jack@suse.cz> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org Allocate struct backing_dev_info separately instead of embedding it inside the superblock. This unifies handling of bdi among users. CC: Boaz Harrosh CC: Benny Halevy Acked-by: Boaz Harrosh Signed-off-by: Jan Kara --- fs/exofs/exofs.h | 1 - fs/exofs/super.c | 17 ++++++----------- 2 files changed, 6 insertions(+), 12 deletions(-) diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h index 2e86086bc940..5dc392404559 100644 --- a/fs/exofs/exofs.h +++ b/fs/exofs/exofs.h @@ -64,7 +64,6 @@ struct exofs_dev { * our extension to the in-memory superblock */ struct exofs_sb_info { - struct backing_dev_info bdi; /* register our bdi with VFS */ struct exofs_sb_stats s_ess; /* Written often, pre-allocate*/ int s_timeout; /* timeout for OSD operations */ uint64_t s_nextid; /* highest object ID used */ diff --git a/fs/exofs/super.c b/fs/exofs/super.c index 1076a4233b39..819624cfc8da 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -464,7 +464,6 @@ static void exofs_put_super(struct super_block *sb) sbi->one_comp.obj.partition); exofs_sysfs_sb_del(sbi); - bdi_destroy(&sbi->bdi); exofs_free_sbi(sbi); sb->s_fs_info = NULL; } @@ -809,8 +808,12 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent) __sbi_read_stats(sbi); /* set up operation vectors */ - sbi->bdi.ra_pages = __ra_pages(&sbi->layout); - sb->s_bdi = &sbi->bdi; + ret = super_setup_bdi(sb); + if (ret) { + EXOFS_DBGMSG("Failed to super_setup_bdi\n"); + goto free_sbi; + } + sb->s_bdi->ra_pages = __ra_pages(&sbi->layout); sb->s_fs_info = sbi; sb->s_op = &exofs_sops; sb->s_export_op = &exofs_export_ops; @@ -836,14 +839,6 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent) goto free_sbi; } - ret = bdi_setup_and_register(&sbi->bdi, "exofs"); - if (ret) { - EXOFS_DBGMSG("Failed to bdi_setup_and_register\n"); - dput(sb->s_root); - sb->s_root = NULL; - goto free_sbi; - } - exofs_sysfs_dbg_print(); _exofs_print_device("Mounting", opts->dev_name, ore_comp_dev(&sbi->oc, 0), -- 2.10.2