XFS internal error XFS_WANT_CORRUPTED_GOTO

Hi,

I found this in a server's dmesg:

	XFS internal error XFS_WANT_CORRUPTED_GOTO at line 4518 of file fs/xfs/xfs_bmap.c.  Caller 0xffffffff803fc46b
	Pid: 28612, comm: rsync Not tainted 2.6.25.4-1-pyrrhus64 #1

	Call Trace:
	 [<ffffffff803fc46b>] xfs_iread_extents+0xac/0xc8
	 [<ffffffff803dd413>] xfs_bmap_read_extents+0x328/0x34b
	 [<ffffffff803fc46b>] xfs_iread_extents+0xac/0xc8
	 [<ffffffff803dc279>] xfs_bmap_last_offset+0x91/0xd5
	 [<ffffffff803ebb3a>] xfs_dir2_isblock+0x19/0x4a
	 [<ffffffff803e9084>] xfs_da_brelse+0x70/0x9d
	 [<ffffffff803ec1fe>] xfs_dir_lookup+0xb9/0x12b
	 [<ffffffff803d690b>] xfs_attr_leaf_get+0x76/0x99
	 [<ffffffff807c10a3>] __down_write_nested+0x12/0x93
	 [<ffffffff8040f898>] xfs_dir_lookup_int+0x2c/0xc3
	 [<ffffffff803f9730>] xfs_ilock+0x4c/0x70
	 [<ffffffff80411c7c>] xfs_lookup+0x44/0x70
	 [<ffffffff8041c991>] xfs_vn_lookup+0x29/0x5f
	 [<ffffffff8027a641>] do_lookup+0xc5/0x1af
	 [<ffffffff8027c321>] __link_path_walk+0x874/0xd1e
	 [<ffffffff8028583c>] file_update_time+0x30/0xd4
	 [<ffffffff8027c828>] path_walk+0x5d/0xba
	 [<ffffffff8027cb2b>] do_path_lookup+0x14c/0x16f
	 [<ffffffff8027b897>] getname+0x140/0x181
	 [<ffffffff8027d34a>] __user_walk_fd+0x37/0x53
	 [<ffffffff802765b1>] vfs_lstat_fd+0x18/0x47
	 [<ffffffff8022a6e9>] hrtick_set+0x88/0xf6
	 [<ffffffff807c0189>] thread_return+0x68/0xac
	 [<ffffffff802767a3>] sys_newlstat+0x19/0x31
	 [<ffffffff80274492>] sys_write+0x45/0x6e
	 [<ffffffff8020af3b>] system_call_after_swapgs+0x7b/0x80