From e2fb1b80e19dcb2c22d6afa68d310aa5c6843af1 Mon Sep 17 00:00:00 2001
From: Wojciech Malikowski <wojciech.malikowski@intel.com>
Date: Tue, 11 Jun 2019 11:00:50 -0400
Subject: [PATCH] lib/ftl: Check if any additional relocation was added

Return immediatly from ftl_reloc_add() if no
new blocks was added to relocation.

Change-Id: If80dfa725e0bb9f3b8987740012858a671c5ad90
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/457626
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
---
 lib/ftl/ftl_reloc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ftl/ftl_reloc.c b/lib/ftl/ftl_reloc.c
index e33f3a06c..fce21e3fa 100644
--- a/lib/ftl/ftl_reloc.c
+++ b/lib/ftl/ftl_reloc.c
@@ -787,6 +787,10 @@ ftl_reloc_add(struct ftl_reloc *reloc, struct ftl_band *band, size_t offset,
 		breloc->num_lbks++;
 	}
 
+	if (!prio && prev_lbks == breloc->num_lbks) {
+		return;
+	}
+
 	if (!prev_lbks && !prio && !breloc->active) {
 		TAILQ_INSERT_HEAD(&reloc->pending_queue, breloc, entry);
 	}