diff --git a/include/spdk/thread.h b/include/spdk/thread.h
index a806c3de9..f036b19d8 100644
--- a/include/spdk/thread.h
+++ b/include/spdk/thread.h
@@ -1103,39 +1103,8 @@ void spdk_iobuf_entry_abort(struct spdk_iobuf_channel *ch, struct spdk_iobuf_ent
  *
  * \return pointer to a buffer or NULL if no buffers are currently available.
  */
-static inline void *
-spdk_iobuf_get(struct spdk_iobuf_channel *ch, uint64_t len,
-	       struct spdk_iobuf_entry *entry, spdk_iobuf_get_cb cb_fn)
-{
-	struct spdk_iobuf_pool *pool;
-	void *buf;
-
-	assert(spdk_io_channel_get_thread(ch->parent) == spdk_get_thread());
-	if (len <= ch->small.bufsize) {
-		pool = &ch->small;
-	} else {
-		assert(len <= ch->large.bufsize);
-		pool = &ch->large;
-	}
-
-	buf = (void *)STAILQ_FIRST(&pool->cache);
-	if (buf) {
-		STAILQ_REMOVE_HEAD(&pool->cache, stailq);
-		assert(pool->cache_count > 0);
-		pool->cache_count--;
-	} else {
-		buf = spdk_mempool_get(pool->pool);
-		if (!buf) {
-			STAILQ_INSERT_TAIL(pool->queue, entry, stailq);
-			entry->module = ch->module;
-			entry->cb_fn = cb_fn;
-
-			return NULL;
-		}
-	}
-
-	return (char *)buf;
-}
+void *spdk_iobuf_get(struct spdk_iobuf_channel *ch, uint64_t len, struct spdk_iobuf_entry *entry,
+		     spdk_iobuf_get_cb cb_fn);
 
 /**
  * Release a buffer back to the iobuf pool.  If there are outstanding requests waiting for a buffer,
@@ -1145,32 +1114,7 @@ spdk_iobuf_get(struct spdk_iobuf_channel *ch, uint64_t len,
  * \param buf Buffer to release
  * \param len Length of the buffer (must be the exact same value as specified in `spdk_iobuf_get()`).
  */
-static inline void
-spdk_iobuf_put(struct spdk_iobuf_channel *ch, void *buf, uint64_t len)
-{
-	struct spdk_iobuf_entry *entry;
-	struct spdk_iobuf_pool *pool;
-
-	assert(spdk_io_channel_get_thread(ch->parent) == spdk_get_thread());
-	if (len <= ch->small.bufsize) {
-		pool = &ch->small;
-	} else {
-		pool = &ch->large;
-	}
-
-	if (STAILQ_EMPTY(pool->queue)) {
-		if (pool->cache_count < pool->cache_size) {
-			STAILQ_INSERT_HEAD(&pool->cache, (struct spdk_iobuf_buffer *)buf, stailq);
-			pool->cache_count++;
-		} else {
-			spdk_mempool_put(pool->pool, buf);
-		}
-	} else {
-		entry = STAILQ_FIRST(pool->queue);
-		STAILQ_REMOVE_HEAD(pool->queue, stailq);
-		entry->cb_fn(entry, buf);
-	}
-}
+void spdk_iobuf_put(struct spdk_iobuf_channel *ch, void *buf, uint64_t len);
 
 #ifdef __cplusplus
 }
diff --git a/lib/thread/iobuf.c b/lib/thread/iobuf.c
index dfc8ad513..4c794f0f4 100644
--- a/lib/thread/iobuf.c
+++ b/lib/thread/iobuf.c
@@ -347,3 +347,64 @@ spdk_iobuf_entry_abort(struct spdk_iobuf_channel *ch, struct spdk_iobuf_entry *e
 
 	STAILQ_REMOVE(pool->queue, entry, spdk_iobuf_entry, stailq);
 }
+
+void *
+spdk_iobuf_get(struct spdk_iobuf_channel *ch, uint64_t len,
+	       struct spdk_iobuf_entry *entry, spdk_iobuf_get_cb cb_fn)
+{
+	struct spdk_iobuf_pool *pool;
+	void *buf;
+
+	assert(spdk_io_channel_get_thread(ch->parent) == spdk_get_thread());
+	if (len <= ch->small.bufsize) {
+		pool = &ch->small;
+	} else {
+		assert(len <= ch->large.bufsize);
+		pool = &ch->large;
+	}
+
+	buf = (void *)STAILQ_FIRST(&pool->cache);
+	if (buf) {
+		STAILQ_REMOVE_HEAD(&pool->cache, stailq);
+		assert(pool->cache_count > 0);
+		pool->cache_count--;
+	} else {
+		buf = spdk_mempool_get(pool->pool);
+		if (!buf) {
+			STAILQ_INSERT_TAIL(pool->queue, entry, stailq);
+			entry->module = ch->module;
+			entry->cb_fn = cb_fn;
+
+			return NULL;
+		}
+	}
+
+	return (char *)buf;
+}
+
+void
+spdk_iobuf_put(struct spdk_iobuf_channel *ch, void *buf, uint64_t len)
+{
+	struct spdk_iobuf_entry *entry;
+	struct spdk_iobuf_pool *pool;
+
+	assert(spdk_io_channel_get_thread(ch->parent) == spdk_get_thread());
+	if (len <= ch->small.bufsize) {
+		pool = &ch->small;
+	} else {
+		pool = &ch->large;
+	}
+
+	if (STAILQ_EMPTY(pool->queue)) {
+		if (pool->cache_count < pool->cache_size) {
+			STAILQ_INSERT_HEAD(&pool->cache, (struct spdk_iobuf_buffer *)buf, stailq);
+			pool->cache_count++;
+		} else {
+			spdk_mempool_put(pool->pool, buf);
+		}
+	} else {
+		entry = STAILQ_FIRST(pool->queue);
+		STAILQ_REMOVE_HEAD(pool->queue, stailq);
+		entry->cb_fn(entry, buf);
+	}
+}
diff --git a/lib/thread/spdk_thread.map b/lib/thread/spdk_thread.map
index abe047bd1..6942f39e9 100644
--- a/lib/thread/spdk_thread.map
+++ b/lib/thread/spdk_thread.map
@@ -72,6 +72,8 @@
 	spdk_iobuf_register_module;
 	spdk_iobuf_for_each_entry;
 	spdk_iobuf_entry_abort;
+	spdk_iobuf_get;
+	spdk_iobuf_put;
 
 	# internal functions in spdk_internal/thread.h
 	spdk_poller_get_name;