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

fs: remove bdev->bd_inode_backing_dev_info

It has been unused since it was introduced in:

commit 520808bf
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
...@@ -420,7 +420,6 @@ static void bdev_destroy_inode(struct inode *inode) ...@@ -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);
} }
......
...@@ -182,9 +182,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode) ...@@ -182,9 +182,7 @@ 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; bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
if (!bdi)
bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
mapping->backing_dev_info = bdi; mapping->backing_dev_info = bdi;
} }
inode->i_private = NULL; inode->i_private = NULL;
......
...@@ -591,9 +591,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, char *data) ...@@ -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); nilfs->ns_mount_state = le16_to_cpu(sbp->s_state);
bdi = nilfs->ns_bdev->bd_inode_backing_dev_info; bdi = nilfs->ns_bdev->bd_inode->i_mapping->backing_dev_info;
if (!bdi)
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;
/* Finding last segment */ /* Finding last segment */
......
...@@ -655,7 +655,6 @@ struct block_device { ...@@ -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
......
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