From 0c6b87b7db334147a7a8706a52c618933f9fc0be Mon Sep 17 00:00:00 2001
From: Jim Harris <james.r.harris@intel.com>
Date: Tue, 30 Oct 2018 15:54:00 -0700
Subject: [PATCH] reduce: add spdk_reduce_vol_get_uuid

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ied2ec966f470e135adbe29244a954c8a30672210

Reviewed-on: https://review.gerrithub.io/433085
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 include/spdk/reduce.h | 8 ++++++++
 lib/reduce/reduce.c   | 6 ++++++
 2 files changed, 14 insertions(+)

diff --git a/include/spdk/reduce.h b/include/spdk/reduce.h
index c591f790a..5a1a154a0 100644
--- a/include/spdk/reduce.h
+++ b/include/spdk/reduce.h
@@ -133,6 +133,14 @@ struct spdk_reduce_backing_dev {
 	uint32_t	blocklen;
 };
 
+/**
+ * Get the UUID for a libreduce compressed volume.
+ *
+ * \param vol Previously loaded or initialized compressed volume.
+ * \return UUID for the compressed volume.
+ */
+const struct spdk_uuid *spdk_reduce_vol_get_uuid(struct spdk_reduce_vol *vol);
+
 /**
  * Initialize a new libreduce compressed volume.
  *
diff --git a/lib/reduce/reduce.c b/lib/reduce/reduce.c
index 26dce548e..7c9ffbf8b 100644
--- a/lib/reduce/reduce.c
+++ b/lib/reduce/reduce.c
@@ -168,6 +168,12 @@ spdk_reduce_get_backing_device_size(struct spdk_reduce_vol_params *params)
 	return total_backing_size;
 }
 
+const struct spdk_uuid *
+spdk_reduce_vol_get_uuid(struct spdk_reduce_vol *vol)
+{
+	return &vol->uuid;
+}
+
 struct reduce_init_load_ctx {
 	struct spdk_reduce_vol			*vol;
 	struct spdk_reduce_vol_cb_args		backing_cb_args;