Re: [PATCH 3/9] xfs: correctly decrement the extent buffer index in xfs_bmap_del_extent

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Looks good.

----- Original Message -----
> The code in xfs_bmap_del_extent does not correctly decrement the
> extent buffer
> index when deleting a whole extent. Most of the time this gets caught
> by
> checks in xfs_bmapi that work around it and decrement it manually and
> thus
> wasn't noticed so far.
> 
> Based on an earlier patch from Lachlan McIlroy.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> 
> Index: xfs/fs/xfs/xfs_bmap.c
> ===================================================================
> --- xfs.orig/fs/xfs/xfs_bmap.c 2011-05-10 17:11:21.212901236 +0200
> +++ xfs/fs/xfs/xfs_bmap.c 2011-05-10 17:13:36.177399627 +0200
> @@ -2916,8 +2916,10 @@ xfs_bmap_del_extent(
> */
> xfs_iext_remove(ip, *idx, 1,
> whichfork == XFS_ATTR_FORK ? BMAP_ATTRFORK : 0);
> + --*idx;
> if (delay)
> break;
> +
> XFS_IFORK_NEXT_SET(ip, whichfork,
> XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
> flags |= XFS_ILOG_CORE;
> 
> _______________________________________________
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> xfs@xxxxxxxxxxx
> http://oss.sgi.com/mailman/listinfo/xfs

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