Re: [PATCH] fs: Add MODULE_SOFTDEP declarations for hard-coded crypto drivers
From: Mathieu Malaterre
Date: Wed May 02 2018 - 04:01:57 EST
On Fri, Apr 6, 2018 at 9:52 PM, Mathieu Malaterre <malat@xxxxxxxxxx> wrote:
> This helps initramfs builders and other tools to find the full
> dependencies of a module.
Replaced by:
https://github.com/torvalds/linux/commit/7ef79ad521367
> Debian on powerpc (ppc32) still uses yaboot as default boot loader. Using a
> default installation (debian-installer) 64bit and metadata_csum feature are
> not setup in ext4. This is discussed in more details at:
>
> https://bugs.debian.org/825110#81
>
> and implemented here:
>
> https://anonscm.debian.org/cgit/d-i/partman-ext3.git/patch/?id=f87dc92157262de1ad8dd3f2343436f08271b4dc
>
> This means that building the kernel as default debian package:
>
> make ARCH=powerpc XYZ_defconfig
> make -j8 ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu- bindeb-pkg
>
> Will lead to the following boot failure (initramfs prompt):
>
> /dev/sda3: clean, 127679/305216 files, 11128559/1220703 blocks done.
> [ 5.592819] EXT4-fs (sda3): Cannot load crc32c driver.
> mount: mounting /dev/sda3 on /root failed: No such file or directory
>
> Link: https://bugs.debian.org/819725
> Link: https://salsa.debian.org/kernel-team/linux/blob/master/debian/patches/bugfix/all/fs-add-module_softdep-declarations-for-hard-coded-cr.patch
> Suggested-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
> Cc: Milan Kupcevic <milan@xxxxxxxxxx>
> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>
> ---
> fs/ext4/super.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 185f7e61f4cf..10bda040e78f 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -5886,5 +5886,6 @@ static void __exit ext4_exit_fs(void)
> MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
> MODULE_DESCRIPTION("Fourth Extended Filesystem");
> MODULE_LICENSE("GPL");
> +MODULE_SOFTDEP("pre: crypto-crc32c");
> module_init(ext4_init_fs)
> module_exit(ext4_exit_fs)
> --
> 2.11.0
>