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From: Peter Holm <pho@FreeBSD.org>
Date: Tue, 9 Jul 2013 13:26:17 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
Subject: svn commit: r253096 - user/pho/stress2/testcases/mmap
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Author: pho
Date: Tue Jul  9 13:26:17 2013
New Revision: 253096
URL: http://svnweb.freebsd.org/changeset/base/253096

Log:
  Added missing resource reservation.
  
  Sponsored by:	EMC / Isilon storage division

Modified:
  user/pho/stress2/testcases/mmap/mmap.c

Modified: user/pho/stress2/testcases/mmap/mmap.c
==============================================================================
--- user/pho/stress2/testcases/mmap/mmap.c	Tue Jul  9 13:22:30 2013	(r253095)
+++ user/pho/stress2/testcases/mmap/mmap.c	Tue Jul  9 13:26:17 2013	(r253096)
@@ -48,6 +48,32 @@ static char path[128];
 int
 setup(int nb)
 {
+	int64_t bl;
+	int64_t in;
+	int64_t reserve_bl;
+	int64_t reserve_in;
+	int freespace;
+
+	if (nb == 0) {
+		getdf(&bl, &in);
+
+		/* Resource requirements: */
+		reserve_in =    2 * op->incarnations;
+		reserve_bl = 20480 * op->incarnations;
+		freespace = (reserve_bl <= bl && reserve_in <= in);
+		if (!freespace)
+			reserve_bl = reserve_in = 0;
+
+		if (op->verbose > 1)
+			printf("mmap(incarnations=%d). Free(%jdk, %jd), reserve(%jdk, %jd)\n",
+			    op->incarnations, bl/1024, in, reserve_bl/1024, reserve_in);
+		reservedf(reserve_bl, reserve_in);
+		putval(freespace);
+	} else {
+		freespace = getval();
+	}
+	if (!freespace)
+		exit(0);
 	umask(0);
 
 	sprintf(path,"%s.%05d", getprogname(), getpid());