From e267b5232d1d6cc5886d63251b02451690c403c8 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Tue, 17 Sep 2019 11:35:50 -0700
Subject: [PATCH] ircd::m::media::block: Add prefetch() to interface.

---
 include/ircd/m/media.h | 1 +
 modules/media/media.cc | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/include/ircd/m/media.h b/include/ircd/m/media.h
index 8675e1f5f..70f168318 100644
--- a/include/ircd/m/media.h
+++ b/include/ircd/m/media.h
@@ -48,6 +48,7 @@ namespace ircd::m::media::block
 {
 	using closure = std::function<void (const const_buffer &)>;
 
+	bool prefetch(const string_view &hash);
 	const_buffer get(const mutable_buffer &out, const string_view &hash);
 
 	void set(const string_view &hash, const const_buffer &block);
diff --git a/modules/media/media.cc b/modules/media/media.cc
index a0ef0350f..09af8a8eb 100644
--- a/modules/media/media.cc
+++ b/modules/media/media.cc
@@ -627,6 +627,13 @@ ircd::m::media::block::get(const mutable_buffer &out,
 	return db::read(blocks, b58hash, out);
 }
 
+bool
+IRCD_MODULE_EXPORT
+ircd::m::media::block::prefetch(const string_view &b58hash)
+{
+	return db::prefetch(blocks, b58hash);
+}
+
 //
 // media::mxc
 //