[PATCH] fs: btrfs: Select SHA256 in Kconfig

Qu Wenruo quwenruo.btrfs at gmx.com
Wed Jan 27 10:46:31 CET 2021



On 2021/1/27 下午5:42, matthias.bgg at kernel.org wrote:
> From: Matthias Brugger <mbrugger at suse.com>
>
> Since commit 565a4147d17a ("fs: btrfs: Add more checksum algorithms")
> btrfs uses the sha256 checksum algorithm. But Kconfig lacks to select
> it. This leads to compilation errors:
> fs/built-in.o: In function `hash_sha256':
> fs/btrfs/crypto/hash.c:25: undefined reference to `sha256_starts'
> fs/btrfs/crypto/hash.c:26: undefined reference to `sha256_update'
> fs/btrfs/crypto/hash.c:27: undefined reference to `sha256_finish'
>
> Signed-off-by: Matthias Brugger <mbrugger at suse.com>

Oh, forgot to select sha256.

Thanks for the fix.

Reviewed-by: Qu Wenruo <wqu at suse.com>

Thanks,
Qu
>
> ---
>
>   fs/btrfs/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
> index f302b1fbef..2a32f42ad1 100644
> --- a/fs/btrfs/Kconfig
> +++ b/fs/btrfs/Kconfig
> @@ -4,6 +4,7 @@ config FS_BTRFS
>   	select LZO
>   	select ZSTD
>   	select RBTREE
> +	select SHA256
>   	help
>   	  This provides a single-device read-only BTRFS support. BTRFS is a
>   	  next-generation Linux file system based on the copy-on-write
>


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