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fs, block: remove bdev->bd_super 

bdev->bd_super is unused now, remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Message-Id: <20230807112625.652089-5-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig 2023-08-07 12:26:25 +01:00 committed by Christian Brauner
parent 8887b94d93
commit 6a32073955
3 changed files with 0 additions and 5 deletions
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1
fs/ext4/super.c
View File

@ -5572,7 +5572,6 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
spin_lock_init(&sbi->s_bdev_wb_lock);
errseq_check_and_advance(&sb->s_bdev->bd_inode->i_mapping->wb_err,
&sbi->s_bdev_wb_err);
sb->s_bdev->bd_super = sb;
EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS;
ext4_orphan_cleanup(sb, es);
EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS;

3
fs/super.c
View File

@ -1322,7 +1322,6 @@ int get_tree_bdev(struct fs_context *fc,
}
s->s_flags |= SB_ACTIVE;
bdev->bd_super = s;
}
BUG_ON(fc->root);
@ -1395,7 +1394,6 @@ struct dentry *mount_bdev(struct file_system_type *fs_type,
}
s->s_flags |= SB_ACTIVE;
bdev->bd_super = s;
}
return dget(s->s_root);
@ -1413,7 +1411,6 @@ void kill_block_super(struct super_block *sb)
{
struct block_device *bdev = sb->s_bdev;
bdev->bd_super = NULL;
generic_shutdown_super(sb);
sync_blockdev(bdev);
blkdev_put(bdev, sb->s_type);

1
include/linux/blk_types.h
View File

@ -52,7 +52,6 @@ struct block_device {
atomic_t bd_openers;
spinlock_t bd_size_lock; /* for bd_inode->i_size updates */
struct inode * bd_inode; /* will die */
struct super_block * bd_super;
void * bd_claiming;
void * bd_holder;
const struct blk_holder_ops *bd_holder_ops;