From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: [PATCH 01/16] fs: remove bdev->bd_inode_backing_dev_info Date: Wed, 16 Sep 2009 15:24:39 +0200 Message-ID: <1253107494-20160-2-git-send-email-jens.axboe@oracle.com> References: <1253107494-20160-1-git-send-email-jens.axboe@oracle.com> Cc: chris.mason@oracle.com, hch@infradead.org, tytso@mit.edu, akpm@linux-foundation.org, jack@suse.cz, trond.myklebust@fys.uio.no, Jens Axboe To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Return-path: Received: from brick.kernel.dk ([93.163.65.50]:57897 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751733AbZIPNYr (ORCPT ); Wed, 16 Sep 2009 09:24:47 -0400 In-Reply-To: <1253107494-20160-1-git-send-email-jens.axboe@oracle.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: It has been unused since it was introduced in: commit 520808bf20e90fdbdb320264ba7dd5cf9d47dcac Author: Andrew Morton Date: Fri May 21 00:46:17 2004 -0700 [PATCH] block device layer: separate backing_dev_info infrastructure So lets just kill it. Acked-by: Jan Kara Signed-off-by: Jens Axboe --- fs/block_dev.c | 1 - fs/inode.c | 4 +--- fs/nilfs2/the_nilfs.c | 4 +--- include/linux/fs.h | 1 - 4 files changed, 2 insertions(+), 8 deletions(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index 3581a4e..71e7e03 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -420,7 +420,6 @@ static void bdev_destroy_inode(struct inode *inode) { struct bdev_inode *bdi = BDEV_I(inode); - bdi->bdev.bd_inode_backing_dev_info = NULL; kmem_cache_free(bdev_cachep, bdi); } diff --git a/fs/inode.c b/fs/inode.c index ae7b67e..b2ba83d 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -182,9 +182,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode) if (sb->s_bdev) { struct backing_dev_info *bdi; - bdi = sb->s_bdev->bd_inode_backing_dev_info; - if (!bdi) - bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info; + bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info; mapping->backing_dev_info = bdi; } inode->i_private = NULL; diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index d4168e2..ad391a8 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -591,9 +591,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, char *data) nilfs->ns_mount_state = le16_to_cpu(sbp->s_state); - bdi = nilfs->ns_bdev->bd_inode_backing_dev_info; - if (!bdi) - bdi = nilfs->ns_bdev->bd_inode->i_mapping->backing_dev_info; + bdi = nilfs->ns_bdev->bd_inode->i_mapping->backing_dev_info; nilfs->ns_bdi = bdi ? : &default_backing_dev_info; /* Finding last segment */ diff --git a/include/linux/fs.h b/include/linux/fs.h index b21cf6b..db29588 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -655,7 +655,6 @@ struct block_device { int bd_invalidated; struct gendisk * bd_disk; struct list_head bd_list; - struct backing_dev_info *bd_inode_backing_dev_info; /* * Private data. You must have bd_claim'ed the block_device * to use this. NOTE: bd_claim allows an owner to claim -- 1.6.4.1.207.g68ea