Le jeu. 5 avr. 2018 à 07:47, Bruce Dubbs <bruce.du...@gmail.com> a écrit :
> On 04/05/2018 12:31 AM, Bruce Dubbs wrote:
> > On 04/04/2018 07:20 PM, Ken Moffat wrote:
> >> On Wed, Apr 04, 2018 at 06:17:13PM -0500, Bruce Dubbs wrote:
> >>> On 04/04/2018 05:55 PM, jens thys wrote:
> >>>> Hi Bruce,
> >>>> Thanks for the quick reply. We are almost of the time working on devel
> >>>> LFS/BLFS version
> >>>>
> >>>> Here are the elements:
> >>>> e2fsprogs version 1.44.0
> >>>>
> >>>> cat /usr/include/ext2fs/ext2_ext_attr.h | grep e_value
> >>>> __u16 e_value_offs; /* offset in disk block of value */
> >>>> __u32 e_value_inum; /* inode in which the value is
> >>>> stored */
> >>>> __u32 e_value_size; /* size of attribute value */
> >>>>
> >>>> i don' t have the file you mentioned __32 e-value_block.
> >>>> Something wrong with my e2fsprogs version? Should i upgrade to the
> >>>> 1.44.1 version which came in the change log the 23/03/2018 or is it
> >>>> wiser to stay on the stable lfs 1.43.9 ?
> >>>
> >>> Please do not top post.
> >>>
> >>> I do not know why you are having the problem.
> >>>
> >>> struct ext2_ext_attr_entry {
> >>> __u8 e_name_len; /* length of name */
> >>> __u8 e_name_index; /* attribute name index */
> >>> __u16 e_value_offs; /* offset in disk block of value */
> >>> __u32 e_value_block; /* disk block attribute is stored on (n/i) */
> >>> __u32 e_value_size; /* size of attribute value */
> >>> __u32 e_hash; /* hash value of name and value */
> >>> #if 0
> >>> char e_name[0]; /* attribute name */
> >>> #endif
> >>> };
> >>>
> >>> That is from EXT2FS Library version 1.43.8, 1-Jan-2018
> >
> >> Between 1.43.9 and 1.44.1, e_value_block was replaced by
> >> e_value_inum in that structure!
> >>
> >> Possibly, s/block/inum/ in that field of btrfs-progs - but probably
> >> best to talk to btrfs upstream.
> >
> > Good catch ken. We can add a pretty simple sed to change e_value_block
> > to e_value_inum, but I raised an issue with btrfs. Lets see what they
> > do in the next couple of days:
> >
> > https://github.com/kdave/btrfs-progs/issues/121
>
> Got an immediate answer.
>
> - if (entry->e_value_block != 0 || value_size > size ||
> - entry->e_value_offs + value_size > size)
> + if (value_size > size || entry->e_value_offs + value_size > size)
>
> So they will just remove 'entry->e_value_block != 0 ||'
>
> For now, use
>
> sed -i '/e_value_block/s/entry->e_value_block != 0 ||//' \
> convert/source-ext2.c
>
>
> https://github.com/kdave/btrfs-progs/commit/92ffad47b5c78ca119e798505e20f1b5cf7b7dd8
>
> -- Bruce
> --
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Nice job. Thanks.
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