libglusterfsclient: Add rewinddir API

Signed-off-by: Anand V. Avati <avati@amp.gluster.com>

2 files changed, 33 insertions, 1 deletions

diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index 0cfc23e9ef2..3321630d80e 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -6428,6 +6428,27 @@ out:
         return op_ret;
 }
 
+void
+glusterfs_rewinddir (glusterfs_dir_t dirfd)
+{
+        libglusterfs_client_fd_ctx_t    *fd_ctx = NULL;
+
+        fd_ctx = libgf_get_fd_ctx ((fd_t *)dirfd);
+        if (!fd_ctx) {
+                errno = EBADF;
+                goto out;
+        }
+
+        pthread_mutex_lock (&fd_ctx->lock);
+        {
+                fd_ctx->offset = 0;
+        }
+        pthread_mutex_unlock (&fd_ctx->lock);
+
+out:
+        return;
+}
+
 static struct xlator_fops libgf_client_fops = {
 };
 
diff --git a/libglusterfsclient/src/libglusterfsclient.h b/libglusterfsclient/src/libglusterfsclient.h
index 5376985dbaa..ccf115f1eaf 100755
--- a/libglusterfsclient/src/libglusterfsclient.h
+++ b/libglusterfsclient/src/libglusterfsclient.h
@@ -1192,6 +1192,18 @@ glusterfs_glh_lchown (glusterfs_handle_t handle, const char *path, uid_t owner,
 
 int
 glusterfs_lchown (const char *path, uid_t owner, gid_t group);
+
+
+
+/* Rewind directory stream pointer to beginning of the directory.
+ *
+ * @dirfd       : Directory handle returned by glusterfs_open on
+ *              glusterfs_opendir.
+ *
+ * Returns no value.
+ */
+void
+glusterfs_rewinddir (glusterfs_dir_t dirfd);
 /* FIXME: review the need for these apis */
 /* added for log related initialization in booster fork implementation */
 void
@@ -1208,7 +1220,6 @@ glusterfs_log_unlock (void);
 void
 glusterfs_free (glusterfs_iobuf_t *buf);
 
-
 __END_DECLS
 
 #endif /* !_LIBGLUSTERFSCLIENT_H */