> +static inline bool IS_DEVDAX(struct inode *inode)
> +{
> + if (!IS_ENABLED(CONFIG_DEV_DAX))
> + return false;
> + if ((inode->i_flags & S_DAX) == 0)
> + return false;
> + if (!S_ISCHR(inode->i_mode))
> + return false;
> + return true;
> +}
> +
> +static inline bool IS_FSDAX(struct inode *inode)
> +{
> + if (!IS_ENABLED(CONFIG_FS_DAX))
> + return false;
> + if ((inode->i_flags & S_DAX) == 0)
> + return false;
> + if (S_ISCHR(inode->i_mode))
> + return false;
> + return true;
Encoding the is char device or not thing here is just nasty. I think
this is going entirely in the wrong direction.
