Re: [PATCH 5/6] xfs_repair: set aformat and anextents correctly when clearing the attr fork

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On Tue, Sep 12, 2023 at 12:40:04PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@xxxxxxxxxx>
> 
> Ever since commit b42db0860e130 ("xfs: enhance dinode verifier"), we've
> required that inodes with zero di_forkoff must also have di_aformat ==
> EXTENTS and di_naextents == 0.  clear_dinode_attr actually does this,
> but then both callers inexplicably set di_format = LOCAL.  That in turn
> causes a verifier failure the next time the xattrs of that file are
> read by the kernel.  Get rid of the bogus field write.
> 
> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> ---
>  repair/dinode.c |    2 --
>  1 file changed, 2 deletions(-)
> 

Reviewed-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>


> 
> diff --git a/repair/dinode.c b/repair/dinode.c
> index e534a01b500..c10dd1fa322 100644
> --- a/repair/dinode.c
> +++ b/repair/dinode.c
> @@ -2078,7 +2078,6 @@ process_inode_attr_fork(
>  		if (!no_modify)  {
>  			do_warn(_(", clearing attr fork\n"));
>  			*dirty += clear_dinode_attr(mp, dino, lino);
> -			dino->di_aformat = XFS_DINODE_FMT_LOCAL;
>  			ASSERT(*dirty > 0);
>  		} else  {
>  			do_warn(_(", would clear attr fork\n"));
> @@ -2135,7 +2134,6 @@ process_inode_attr_fork(
>  			/* clear attributes if not done already */
>  			if (!no_modify)  {
>  				*dirty += clear_dinode_attr(mp, dino, lino);
> -				dino->di_aformat = XFS_DINODE_FMT_LOCAL;
>  			} else  {
>  				do_warn(_("would clear attr fork\n"));
>  			}
> 



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