Em Sexta 20 Janeiro 2006 18:01, você escreveu:
> On Fri, Jan 20, 2006 at 06:37:21PM +0000, Glauber de Oliveira Costa wrote:
> > In filesystems with the meta block group flag on, ext3_bg_num_gdb()
> > fails to report the correct number of blocks used to store the group
> > descriptor backups in a given group. It happens because meta_bg
> > follows a different logic from the original ext3 backup placement
> > in groups multiples of 3, 5 and 7.
> >
> > --- a/fs/ext3/balloc.c
> > +++ b/fs/ext3/balloc.c
> > @@ -1510,9 +1529,15 @@ int ext3_bg_has_super(struct super_block
> > */
> > unsigned long ext3_bg_num_gdb(struct super_block *sb, int group)
> > {
> > - if
> > (EXT3_HAS_RO_COMPAT_FEATURE(sb,EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER)&& -
> > !ext3_group_sparse(group))
> > - return 0;
> > - return EXT3_SB(sb)->s_gdb_count;
> > + unsigned long first_meta_bg =
> > + cpu_to_le32(EXT3_SB(sb)->s_es->s_first_meta_bg);
> > + unsigned long metagroup = group / EXT3_DESC_PER_BLOCK(sb);
> > +
> > + if (!EXT3_HAS_INCOMPAT_FEATURE(sb,EXT3_FEATURE_INCOMPAT_META_BG)
> > + || metagroup < first_meta_bg)
>
> ^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Comparison between little-endian and host-endian variables.
I should have used le32_to_cpu() instead of cpu_to_le32() some lines above. It
was a minor typo error. I Will resend.
Thank you.
> > + return ext3_bg_num_gdb_nometa(sb,group);
> > +
> > + return ext3_bg_num_gdb_meta(sb,group);
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
