[PATCH] fs: btrfs: Select SHA256 in Kconfig

[David Sterba]

On Wed, Jan 27, 2021 at 08:14:31PM +0800, Qu Wenruo wrote:
> 
> 
> On 2021/1/27 下午8:01, David Sterba wrote:
> > On Wed, Jan 27, 2021 at 10:42:30AM +0100, 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>
> > 
> > So this is a fix for u-boot, got me confused and not for the first time
> > as there's Kconfig and the same fs/btrfs/ directory structure.
> > 
> Well, sometimes too unified file structure/code base can also be a problem.
> 
> Considering I'm also going to continue cross-porting more code to 
> U-boot, any recommendation on this?
> Using different prefix?

If it's a series then please mention u-boot in the cover letter, no need
to change the patches, I'll go check CC if I'm too confused about the
patch.