From 8a915c2d08c9e1453aad6f479b32da9cb5423604 Mon Sep 17 00:00:00 2001
From: pschwan <pschwan>
Date: Sat, 22 Mar 2003 20:18:29 +0000
Subject: [PATCH] unlinkmany a-la createmany and statmany

---
 lustre/tests/unlinkmany.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 lustre/tests/unlinkmany.c

diff --git a/lustre/tests/unlinkmany.c b/lustre/tests/unlinkmany.c
new file mode 100644
index 0000000..ba1bee7
--- /dev/null
+++ b/lustre/tests/unlinkmany.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+void usage(char *prog)
+{
+	printf("usage: %s filenamefmt count\n", prog);
+	printf("       %s filenamefmt start count\n", prog);
+}
+
+int main(int argc, char ** argv)
+{
+        int i, rc = 0;
+        char format[4096], *fmt;
+        char filename[4096];
+        long start, last;
+	long begin = 0, count;
+
+        if (argc < 3 || argc > 4) {
+		usage(argv[0]);
+                return 1;
+        }
+
+        if (strlen(argv[1]) > 4080) {
+                printf("name too long\n");
+                return 1;
+        }
+
+        start = last = time(0);
+
+	if (argc == 3) {
+		count = strtol(argv[2], NULL, 0);
+		if (count < 1) {
+                        printf("count must be at least one\n");
+                        return 1;
+                }
+	} else {
+		begin = strtol(argv[2], NULL, 0);
+		count = strtol(argv[3], NULL, 0);
+	}
+
+	if (strchr(argv[1], '%')) {
+		fmt = argv[1];
+        } else {
+		sprintf(format, "%s%%d", argv[1]);
+		fmt = format;
+	}
+        for (i = 0; i < count; i++, begin++) {
+                sprintf(filename, fmt, begin);
+                rc = unlink(filename);
+                if (rc) {
+                        printf("unlink(%s) error: %s\n",
+                               filename, strerror(errno));
+                        rc = errno;
+                        break;
+                }
+                if ((i % 10000) == 0) {
+                        printf(" - unlinked %d (time %ld ; total %ld ; last "
+                               "%ld)\n", i, time(0), time(0) - start,
+                               time(0) - last);
+                        last = time(0);
+                }
+        }
+        printf("total: %d unlinks in %ld seconds: %f unlinks/second\n", i,
+               time(0) - start, ((float)i / (time(0) - start)));
+
+        return rc;
+}
-- 
1.8.3.1