From: Eric Sandeen <sandeen@xxxxxxxxxxx> commit c44a1f22626c153976289e1cd67bdcdfefc16e1f upstream. By inspection, xfs_bmap_trace_exlist isn't handling cow forks, and will trace the data fork instead. Fix this by setting state appropriately if whichfork == XFS_COW_FORK. ()___() < @ @ > | | {o_o} (|) Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx> --- fs/xfs/libxfs/xfs_bmap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index cfd1fdd..d4481d4 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -518,7 +518,7 @@ void xfs_bmap_trace_exlist( xfs_inode_t *ip, /* incore inode pointer */ xfs_extnum_t cnt, /* count of entries in the list */ - int whichfork, /* data or attr fork */ + int whichfork, /* data or attr or cow fork */ unsigned long caller_ip) { xfs_extnum_t idx; /* extent record index */ @@ -527,6 +527,8 @@ xfs_bmap_trace_exlist( if (whichfork == XFS_ATTR_FORK) state |= BMAP_ATTRFORK; + else if (whichfork == XFS_COW_FORK) + state |= BMAP_COWFORK; ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(cnt == xfs_iext_count(ifp)); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html