From: Jens Axboe <axboe@fb.com>
Date: Wed, 24 Sep 2014 14:21:15 +0000 (-0600)
Subject: dedupe: don't add extent items unless we use them
X-Git-Tag: fio-2.1.13~47
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=87818659165be63891f382709073c89301c30a06

dedupe: don't add extent items unless we use them

Only used for collision_check and debug output, so save memory
if those aren't enabled.

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/t/dedupe.c b/t/dedupe.c
index e51e444e..7acb090a 100644
--- a/t/dedupe.c
+++ b/t/dedupe.c
@@ -134,11 +134,18 @@ static int read_block(int fd, void *buf, off_t offset)
 
 static void add_item(struct chunk *c, struct item *i)
 {
-	struct extent *e;
+	/*	
+	 * Save some memory and don't add extent items, if we don't
+	 * use them.
+	 */
+	if (dump_output || collision_check) {
+		struct extent *e;
+
+		e = malloc(sizeof(*e));
+		e->offset = i->offset;
+		flist_add_tail(&e->list, &c->extent_list);
+	}
 
-	e = malloc(sizeof(*e));
-	e->offset = i->offset;
-	flist_add_tail(&e->list, &c->extent_list);
 	c->count++;
 }