This support was added upstream with commit 0731de0dd95b "libnvdimm, pfn: move 'memory mode' indication to sysfs".
Signed-off-by: Dan Williams <[email protected]> --- test/libndctl.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/test/libndctl.c b/test/libndctl.c index f5a6abe50edd..38a0bb746905 100644 --- a/test/libndctl.c +++ b/test/libndctl.c @@ -1033,6 +1033,8 @@ static int check_btt_size(struct ndctl_btt *btt) static int check_btt_create(struct ndctl_region *region, struct ndctl_namespace *ndns, struct namespace *namespace) { + struct ndctl_ctx *ctx = ndctl_region_get_ctx(region); + struct ndctl_test *test = ndctl_get_private_data(ctx); struct btt *btt_s = namespace->btt_settings; int i, fd, retry = 10; struct ndctl_btt *btt; @@ -1070,10 +1072,13 @@ static int check_btt_create(struct ndctl_region *region, struct ndctl_namespace goto err; } - mode = ndctl_namespace_get_mode(ndns); - if (mode >= 0 && mode != NDCTL_NS_MODE_SAFE) - fprintf(stderr, "%s: expected safe mode got: %d\n", - devname, mode); + /* prior to v4.5 the mode attribute did not exist */ + if (ndctl_test_attempt(test, KERNEL_VERSION(4, 5, 0))) { + mode = ndctl_namespace_get_mode(ndns); + if (mode >= 0 && mode != NDCTL_NS_MODE_SAFE) + fprintf(stderr, "%s: expected safe mode got: %d\n", + devname, mode); + } rc = check_btt_size(btt); if (rc) _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
