[U-Boot] [PATCH] fs/ext4: Initialize group descriptor size for revision level 0 filesystems
Kever Yang
kever.yang at rock-chips.com
Tue Dec 27 03:44:07 CET 2016
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 Brüns 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 at rock-chips.com>
> Reported-by: FrostyBytes at protonmail.com
> Signed-off-by: Stefan Brüns <stefan.bruens at 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 at rock-chips.com>
Thanks,
- Kever
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