[master] 2261dcf Change type of oc->last_lru from float back to double

[Martin Blix Grydeland]

commit 2261dcfd545e6c9a5d60000cce06e9930557d73e
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Mon Jan 8 16:05:05 2018 +0100

    Change type of oc->last_lru from float back to double
    
    Since the last_lru tracks epoch time, it needs the double precision
    floating point type to accurately track the time.
    
    Fixes: #2527

diff --git a/bin/varnishd/cache/cache.h b/bin/varnishd/cache/cache.h
index b02fe00..ed5602f 100644
--- a/bin/varnishd/cache/cache.h
+++ b/bin/varnishd/cache/cache.h
@@ -376,7 +376,7 @@ struct objcore {
 	uint16_t		oa_present;
 
 	unsigned		timer_idx;	// XXX 4Gobj limit
-	float			last_lru;
+	double			last_lru;
 	VTAILQ_ENTRY(objcore)	hsh_list;
 	VTAILQ_ENTRY(objcore)	lru_list;
 	VTAILQ_ENTRY(objcore)	ban_list;
diff --git a/bin/varnishtest/tests/r02527.vtc b/bin/varnishtest/tests/r02527.vtc
new file mode 100644
index 0000000..ae8ed03
--- /dev/null
+++ b/bin/varnishtest/tests/r02527.vtc
@@ -0,0 +1,30 @@
+varnishtest "Test the n_lru_moved counter"
+
+server s1 {
+	rxreq
+	txresp
+} -start
+
+varnish v1 -arg "-p lru_interval=1" -vcl+backend {
+	sub vcl_backend_response {
+		set beresp.do_stream = false;
+	}
+} -start
+
+client c1 {
+	txreq
+	rxresp
+} -run
+
+varnish v1 -expect MAIN.n_lru_moved == 0
+
+delay 1
+
+client c1 {
+	txreq
+	rxresp
+	txreq
+	rxresp
+} -run
+
+varnish v1 -expect MAIN.n_lru_moved == 1