Re: [PATCH] FLEX_BG Kernel support.

["Jose R. Santos" <jrs@us.ibm.com>]

On Tue, 11 Sep 2007 00:04:43 -0600
"Andreas Dilger" <adilger@clusterfs.com> wrote:

> On 9/10/07, Jose R. Santos <jrs@us.ibm.com> wrote:
> > @@ -1254,7 +1254,8 @@ static int ext4_check_descriptors (struct super_block * sb)
> >
> >         for (i = 0; i < sbi->s_groups_count; i++)
> >         {
> > -               if (i == sbi->s_groups_count - 1)
> > +               if (i == sbi->s_groups_count - 1 || EXT4_HAS_INCOMPAT_FEATURE(sb,
> > +                                       EXT4_FEATURE_INCOMPAT_FLEX_BG))
> >                         last_block = ext4_blocks_count(sbi->s_es) - 1;
> 
> No need to check this featyre for every  group, once at the beginning
> of the function is enough.
> 

Do you mean something like the original patch?
http://lists.openwall.net/linux-ext4/2007/07/12/20

Wouldn't we need to check all the descriptor for corruption if checksum
is not enable on the filesystem?

-JRS