[PATCH 4/4] ndctl: print alignment for dax and pfn devs
It's handy to know. Doubly so if the user didn't supply an alignment.
Signed-off-by: Oliver O'Halloran <oohall(a)gmail.com>
---
util/json.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/util/json.c b/util/json.c
index d6a8d4c899ed..f454163df0e9 100644
--- a/util/json.c
+++ b/util/json.c
@@ -217,6 +217,7 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace
*ndns,
struct ndctl_btt *btt;
struct ndctl_pfn *pfn;
struct ndctl_dax *dax;
+ unsigned long align = 0;
char buf[40];
uuid_t uuid;
@@ -283,6 +284,7 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace
*ndns,
bdev = ndctl_btt_get_block_device(btt);
} else if (pfn) {
+ align = ndctl_pfn_get_align(pfn);
ndctl_pfn_get_uuid(pfn, uuid);
uuid_unparse(uuid, buf);
jobj = json_object_new_string(buf);
@@ -293,6 +295,7 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace
*ndns,
} else if (dax) {
struct daxctl_region *dax_region;
+ align = ndctl_dax_get_align(dax);
ndctl_dax_get_uuid(dax, uuid);
uuid_unparse(uuid, buf);
jobj = json_object_new_string(buf);
@@ -327,6 +330,13 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace
*ndns,
} else
bdev = ndctl_namespace_get_block_device(ndns);
+ if (align) {
+ jobj = json_object_new_int64(align);
+ if (!jobj)
+ goto err;
+ json_object_object_add(jndns, "align", jobj);
+ }
+
if (bdev && bdev[0]) {
jobj = json_object_new_string(bdev);
if (!jobj)
--
2.9.3