[ndctl PATCH] ndctl, test: skip btt-pad compat test on pre-4K capable kernels

Prior to the introduction of v1.2 namespace labels it was not possible to specify a pmem namespace with a 4K sector size. Skip this test when that namespace creation attempt fails. Cc: Vishal Verma <vishal.l.verma(a)intel.com&gt; Signed-off-by: Dan Williams <dan.j.williams(a)intel.com&gt; --- test/btt-pad-compat.sh | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/test/btt-pad-compat.sh b/test/btt-pad-compat.sh index a157c589460e..b2e395de2297 100755 --- a/test/btt-pad-compat.sh +++ b/test/btt-pad-compat.sh @@ -136,8 +136,12 @@ copy_xxd_img() create_oldfmt_ns() { - # create null-uuid namespace + # create null-uuid namespace, note that this requires a kernel + # that supports a raw namespace with a 4K sector size, prior to + # v4.13 raw namespaces are limited to 512-byte sector size. + rc=77 json=$($ndctl create-namespace -b "$bus" -s 64M -t pmem -m raw -l 4096 -u 00000000-0000-0000-0000-000000000000) + rc=1 eval "$(echo "$json" | sed -e "$json2var")" [ -n "$dev" ] || err "$LINENO" 2 [ -n "$size" ] || err "$LINENO" 2