On Thu, Feb 22, 2024 at 08:45:40PM +0800, Yu Kuai wrote:
> +static inline struct bdev_inode *BDEV_B(struct block_device *bdev)
> +{
> + return container_of(bdev, struct bdev_inode, bdev);
> +}
> +
> +struct inode *bdev_inode(struct block_device *bdev)
> +{
> + return &BDEV_B(bdev)->vfs_inode;
> +}
> +
> +struct address_space *bdev_mapping(struct block_device *bdev)
> +{
> + return BDEV_B(bdev)->vfs_inode.i_mapping;
> +}
Nit: that might as well had been &BDEV_B(bdev)->vfs_inode.i_data
These inodes always have ->i_mapping pointing their own ->i_data.
If we ever change that, we would have enough bdev.c work on hands
anyway.
