Re: [f2fs-dev] [PATCH 16/17] block: use iomap for writes to block devices

[Pankaj Raghav]

On Mon, Apr 24, 2023 at 07:49:25AM +0200, Christoph Hellwig wrote:
> Use iomap in buffer_head compat mode to write to block devices.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  block/Kconfig |  1 +
>  block/fops.c  | 33 +++++++++++++++++++++++++++++----
>  2 files changed, 30 insertions(+), 4 deletions(-)
> 
> diff --git a/block/Kconfig b/block/Kconfig
> index 941b2dca70db73..672b08f0096ab4 100644
> --- a/block/Kconfig
> +++ b/block/Kconfig
> @@ -5,6 +5,7 @@
>  menuconfig BLOCK
>         bool "Enable the block layer" if EXPERT
>         default y
> +       select IOMAP

This needs to be FS_IOMAP.

>         select SBITMAP
>         help
>  	 Provide block layer support for the kernel.