features/shard: Implement zerofill FOP

Change-Id: Iabb89a502cc560edd7fe3755623c74a2ccb853d5
BUG: 1261841
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/13234
Smoke: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/tests/bugs/shard/bug-shard-zerofill.c b/tests/bugs/shard/bug-shard-zerofill.c
new file mode 100644
index 00000000000..2ec411921cf
--- /dev/null
+++ b/tests/bugs/shard/bug-shard-zerofill.c
@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include "glfs.h"
+#include "glfs-handles.h"
+
+int
+main (int argc, char *argv[])
+{
+        glfs_t    *fs = NULL;
+        glfs_fd_t *fd = NULL;
+        int        ret = 1;
+
+        if (argc != 4) {
+                fprintf (stderr, "Syntax: %s <host> <volname> <file-path> \n", argv[0]);
+                return 1;
+        }
+
+        fs = glfs_new (argv[2]);
+        if (!fs) {
+                fprintf (stderr, "glfs_new: returned NULL\n");
+                return 1;
+        }
+
+        ret = glfs_set_volfile_server (fs, "tcp", argv[1], 24007);
+        if (ret != 0) {
+                fprintf (stderr, "glfs_set_volfile_server: retuned %d\n", ret);
+                goto out;
+        }
+        ret = glfs_set_logging (fs, "/var/log/glusterfs/glfs-dis.log", 7);
+        if (ret != 0) {
+                fprintf (stderr, "glfs_set_logging: returned %d\n", ret);
+                goto out;
+        }
+        ret = glfs_init (fs);
+        if (ret != 0) {
+                fprintf (stderr, "glfs_init: returned %d\n", ret);
+                goto out;
+        }
+
+        fd = glfs_open (fs, argv[3], O_RDWR);
+        if (fd == NULL) {
+                fprintf (stderr, "glfs_open: returned NULL\n");
+                goto out;
+        }
+
+        /* Zero-fill "foo" with 10MB of data */
+        ret = glfs_zerofill (fd, 0, 10485760);
+        if (ret <= 0) {
+                fprintf (stderr, "glfs_zerofill: returned %d\n", ret);
+                goto out;
+        }
+
+        glfs_close(fd);
+
+        ret = 0;
+
+out:
+        glfs_fini (fs);
+        return ret;
+}