Commit 2c96ce9f authored by Jens Axboe's avatar Jens Axboe
Browse files

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: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 0cb583fd

fs/block_dev.c

+0 −1
Original line number Diff line number Diff line
@@ -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);

}

fs/inode.c

+1 −3
Original line number Diff line number Diff line
@@ -182,8 +182,6 @@ 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;

		mapping->backing_dev_info = bdi;

	}

fs/nilfs2/the_nilfs.c

+1 −3
Original line number 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);



	bdi = nilfs->ns_bdev->bd_inode_backing_dev_info;

	if (!bdi)

	bdi = nilfs->ns_bdev->bd_inode->i_mapping->backing_dev_info;

	nilfs->ns_bdi = bdi ? : &default_backing_dev_info;

include/linux/fs.h

+0 −1
Original line number Diff line number Diff line
@@ -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

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