[RFC 3/3] nvme: wire up support for async passthrough

[Chaitanya Kulkarni]

On 3/2/21 23:22, Kanchan Joshi wrote:
> +/*
> + * Convert integer values from ioctl structures to user pointers, silently
> + * ignoring the upper bits in the compat case to match behaviour of 32-bit
> + * kernels.
> + */
> +static void __user *nvme_to_user_ptr(uintptr_t ptrval)
> +{
> +	if (in_compat_syscall())
> +		ptrval = (compat_uptr_t)ptrval;
> +	return (void __user *)ptrval;
> +}
> +/*

Newline is missing from before above comment.

> + * This is carved within the block_uring_cmd, to avoid dynamic allocation.
> + * Care should be taken not to grow this beyond what is available.
> + */