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Commit 2c96ce9f authored Sep 15, 2009 by Jens Axboe

fs: remove bdev->bd_inode_backing_dev_info



It has been unused since it was introduced in:

commit 520808bf20e90fdbdb320264ba7dd5cf9d47dcac
Author: Andrew Morton <akpm@osdl.org>
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 <jack@suse.cz>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent 0cb583fd

fs/block_dev.c

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -420,7 +420,6 @@ static void bdev_destroy_inode(struct inode *inode)
	{		{
	struct bdev_inode *bdi = BDEV_I(inode);		struct bdev_inode *bdi = BDEV_I(inode);

	bdi->bdev.bd_inode_backing_dev_info = NULL;
	kmem_cache_free(bdev_cachep, bdi);		kmem_cache_free(bdev_cachep, bdi);
	}		}

fs/inode.c

+1 −3

Original line number	Original line	Diff line number	Diff line
	@@ -182,8 +182,6 @@ int inode_init_always(struct super_block sb, struct inode inode)
	if (sb->s_bdev) {		if (sb->s_bdev) {
	struct backing_dev_info *bdi;		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;		mapping->backing_dev_info = bdi;
	}		}

fs/nilfs2/the_nilfs.c

+1 −3

Original line number	Original line	Diff line number	Diff line
	@@ -591,8 +591,6 @@ int init_nilfs(struct the_nilfs nilfs, struct nilfs_sb_info sbi, char *data)

	nilfs->ns_mount_state = le16_to_cpu(sbp->s_state);		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;		nilfs->ns_bdi = bdi ? : &default_backing_dev_info;

include/linux/fs.h

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -655,7 +655,6 @@ struct block_device {
	int bd_invalidated;		int bd_invalidated;
	struct gendisk * bd_disk;		struct gendisk * bd_disk;
	struct list_head bd_list;		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		* Private data. You must have bd_claim'ed the block_device
	* to use this. NOTE: bd_claim allows an owner to claim		* to use this. NOTE: bd_claim allows an owner to claim