Added blktap support. Includes kernel driver (enabled as CONFIG_XEN_BLKDEV_TAP=y) and userspace tools. The userspace deamon (blktapctrl) is enabled by default when xend is activated. For further information on using and configuring blktap see tools/blktap/README.

1 files changed, 57 insertions, 0 deletions

diff --git a/tools/libaio/harness/cases/6.t b/tools/libaio/harness/cases/6.t
new file mode 100644
index 0000000000..cea4b01c96
--- /dev/null
+++ b/tools/libaio/harness/cases/6.t
@@ -0,0 +1,57 @@
+/* 6.t
+- huge reads (pinned pages) (6.t)
+- huge writes (6.t)
+*/
+#include "aio_setup.h"
+#include <sys/mman.h>
+
+long getmemsize(void)
+{
+	FILE *f = fopen("/proc/meminfo", "r");
+	long size;
+	int gotit = 0;
+	char str[256];
+
+	assert(f != NULL);
+	while (NULL != fgets(str, 255, f)) {
+		str[255] = 0;
+		if (0 == memcmp(str, "MemTotal:", 9)) {
+			if (1 == sscanf(str + 9, "%ld", &size)) {
+				gotit = 1;
+				break;
+			}
+		}
+	}
+	fclose(f);
+
+	assert(gotit != 0);
+	return size;
+}
+
+int test_main(void)
+{
+	char *buf;
+	int rwfd;
+	int status = 0, res;
+	long size;
+
+	size = getmemsize();
+	printf("size = %ld\n", size);
+	assert(size >= (16 * 1024));
+	if (size > (768 * 1024))
+		size = 768 * 1024;
+	size *= 1024;
+
+	rwfd = open("testdir/rwfile", O_RDWR);		assert(rwfd != -1);
+	res = ftruncate(rwfd, 0);			assert(res == 0);
+	buf = malloc(size);				assert(buf != NULL);
+
+	//memset(buf, 0, size);
+	status |= attempt_rw(rwfd, buf, size,  0, WRITE, size);
+	status |= attempt_rw(rwfd, buf, size,  0,  READ, size);
+
+	//res = ftruncate(rwfd, 0);			assert(res == 0);
+
+	return status;
+}
+