1 files changed, 65 insertions, 0 deletions
diff --git a/tests/zfs-tests/cmd/mkfiles/mkfiles.c b/tests/zfs-tests/cmd/mkfiles/mkfiles.c
new file mode 100644
index 000000000000..418fb9d07ca5
--- /dev/null
+++ b/tests/zfs-tests/cmd/mkfiles/mkfiles.c
@@ -0,0 +1,65 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright (c) 2016 by Delphix. All rights reserved.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+#define	MAX_INT_LENGTH 10
+
+static void
+usage(char *msg, int exit_value)
+{
+	(void) fprintf(stderr, "mkfiles basename max_file [min_file]\n");
+	(void) fprintf(stderr, "%s\n", msg);
+	exit(exit_value);
+}
+
+int
+main(int argc, char **argv)
+{
+	unsigned int numfiles = 0;
+	unsigned int first_file = 0;
+	unsigned int i;
+	char buf[MAXPATHLEN];
+
+	if (argc < 3 || argc > 4)
+		usage("Invalid number of arguments", -1);
+
+	if (sscanf(argv[2], "%u", &numfiles) != 1)
+		usage("Invalid maximum file", -2);
+
+	if (argc == 4 && sscanf(argv[3], "%u", &first_file) != 1)
+		usage("Invalid first file", -3);
+
+	if (numfiles < first_file)
+		usage("First file larger than last file", -3);
+
+	for (i = first_file; i <= numfiles; i++) {
+		int fd;
+		(void) snprintf(buf, MAXPATHLEN, "%s%u", argv[1], i);
+		if ((fd = open(buf, O_CREAT | O_EXCL, O_RDWR)) == -1) {
+			(void) fprintf(stderr, "Failed to create %s %s\n", buf,
+			    strerror(errno));
+			return (-4);
+		}
+		(void) close(fd);
+	}
+	return (0);
+}