[U-Boot] [PATCH] fs/ext4: Initialize group descriptor size for revision level 0 filesystems

[Kever Yang <kever.yang@rock-chips.com>]

Hi Stefan,

     With this patch, the image create by genext2fs can be mount in 
U-Boot, thanks.

On 12/27/2016 09:35 AM, Stefan Br?ns wrote:
> genext2fs creates revision level 0 filesystems, which are not readable
> by u-boot due to the initialized group descriptor size field.
> f798b1dda1c5de818b806189e523d1b75db7e72d
>
> Reported-by: Kever Yang <kever.yang@rock-chips.com>
> Reported-by: FrostyBytes at protonmail.com
> Signed-off-by: Stefan Br?ns <stefan.bruens@rwth-aachen.de>
> ---
>   fs/ext4/ext4_common.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
> index bfebe7e379..621c61e5c7 100644
> --- a/fs/ext4/ext4_common.c
> +++ b/fs/ext4/ext4_common.c
> @@ -2334,6 +2334,7 @@ int ext4fs_mount(unsigned part_length)
>   
>   	if (le32_to_cpu(data->sblock.revision_level) == 0) {
>   		fs->inodesz = 128;
> +		fs->gdsize = 32;
>   	} else {
>   		debug("EXT4 features COMPAT: %08x INCOMPAT: %08x RO_COMPAT: %08x\n",
>   		      __le32_to_cpu(data->sblock.feature_compatibility),

Tested-by: Kever Yang <kever.yang@rock-chips.com>

Thanks,
- Kever