On Sat, Aug 13, 2011 at 10:38:51AM -0400, Theodore Ts'o wrote:
> Xfstests #62 was recently enabled by commit b2b36d0a4.
> However, this test is failing for ext4 because ext4 doesn't support
> extended attributes on anything other than regular files and
> directories. This is behavior is documented in the attr(5) man page:
As explained to you before that is not the reason why it fails. The
reason is that Andreas Gruenbacher changed return values for certain
xattr operations in commit 55b23bde19c08f14127a27d461a4e079942c7258.
> It looks like XFS is not conformant to documented behaviour and the file
> system generic code.
Care to explain that conclusion? A simple test and/or a look at the
code will reveal that this is not true.
Below is the patch from Andreas that makes the test work properly again
on Linux 3.0+ on XFS, although other filesystem still have some issues
with it. For ext4 that mostly seems the presence of the lost+found
directory, and a different ordering from readdir than expected.
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