Re: [PATCH v5 22/24] xfs: make scrub aware of verity dinode flag

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On Tue, Mar 12, 2024 at 01:10:06PM +0100, Andrey Albershteyn wrote:
> On 2024-03-07 14:18:09, Darrick J. Wong wrote:
> > On Mon, Mar 04, 2024 at 08:10:45PM +0100, Andrey Albershteyn wrote:
> > > fs-verity adds new inode flag which causes scrub to fail as it is
> > > not yet known.
> > > 
> > > Signed-off-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
> > > Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> > > ---
> > >  fs/xfs/scrub/attr.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/fs/xfs/scrub/attr.c b/fs/xfs/scrub/attr.c
> > > index 9a1f59f7b5a4..ae4227cb55ec 100644
> > > --- a/fs/xfs/scrub/attr.c
> > > +++ b/fs/xfs/scrub/attr.c
> > > @@ -494,7 +494,7 @@ xchk_xattr_rec(
> > >  	/* Retrieve the entry and check it. */
> > >  	hash = be32_to_cpu(ent->hashval);
> > >  	badflags = ~(XFS_ATTR_LOCAL | XFS_ATTR_ROOT | XFS_ATTR_SECURE |
> > > -			XFS_ATTR_INCOMPLETE | XFS_ATTR_PARENT);
> > > +			XFS_ATTR_INCOMPLETE | XFS_ATTR_PARENT | XFS_ATTR_VERITY);
> > 
> > Now that online repair can modify/discard/salvage broken xattr trees and
> > is pretty close to merging, how can I make it invalidate all the incore
> > merkle tree data after a repair?
> > 
> > --D
> > 
> 
> I suppose dropping all the xattr XFS_ATTR_VERITY buffers associated
> with an inode should do the job.

Oh!  Yes, xfs_verity_cache_drop would handle that nicely.

--D

> -- 
> - Andrey
> 
> 




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