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; _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
