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

[Stefan Bruens <stefan.bruens@rwth-aachen.de>]

On Dienstag, 27. Dezember 2016 10:44:07 CET Kever Yang wrote:
> Hi Stefan,
> 
>      With this patch, the image create by genext2fs can be mount in
> U-Boot, thanks.

Thanks for testing.

@Tom: this is probably a candidate for u-boot 2017.01 ...
 
> 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


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