As of these upstream kernel commits:

commit 6e2608dfd934 ("xfs, dax: introduce xfs_dax_aops")
commit 5f0663bb4a64 ("ext4, dax: introduce ext4_dax_aops")

generic/223 fails on XFS and ext4 because filesystems mounted with DAX no
longer support bmap.  This is desired behavior and will not be fixed,
according to:

https://lists.01.org/pipermail/linux-nvdimm/2018-April/015383.html

So, just skip over generic/223 when using DAX so we don't throw false
positive test failures.

Signed-off-by: Ross Zwisler <ross.zwis...@linux.intel.com>
---
 tests/generic/223 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/generic/223 b/tests/generic/223
index dfd8c41b..1a7cf269 100755
--- a/tests/generic/223
+++ b/tests/generic/223
@@ -31,6 +31,7 @@ _supported_os Linux
 
 _require_scratch
 _require_xfs_io_command "falloc"
+_exclude_scratch_mount_option dax
 
 rm -f $seqres.full
 
-- 
2.14.4

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