booster: Add rewinddir API

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

2 files changed, 37 insertions, 0 deletions

diff --git a/booster/src/booster.c b/booster/src/booster.c
index b9d870d8c..64a005e84 100644
--- a/booster/src/booster.c
+++ b/booster/src/booster.c
@@ -195,6 +195,7 @@ static ssize_t (*real_lgetxattr) (const char *path, const char *name,
                                   void *value, size_t size);
 static int (*real_remove) (const char* path);
 static int (*real_lchown) (const char *path, uid_t owner, gid_t group);
+static void (*real_rewinddir) (DIR *dirp);
 
 #define RESOLVE(sym) do {                                       \
                 if (!real_##sym)                                \
@@ -2084,6 +2085,32 @@ out:
         return ret;
 }
 
+void
+booster_rewinddir (DIR *dir)
+{
+        struct booster_dir_handle       *bh = (struct booster_dir_handle *)dir;
+
+        if (!bh) {
+                errno = EFAULT;
+                goto out;
+        }
+
+        if (bh->type == BOOSTER_GL_DIR)
+                glusterfs_rewinddir ((glusterfs_dir_t)bh->dirh);
+        else if (bh->type == BOOSTER_POSIX_DIR) {
+                if (real_rewinddir == NULL) {
+                        errno = ENOSYS;
+                        goto out;
+                }
+
+                real_rewinddir ((DIR *)bh->dirh);
+        } else
+                errno = EINVAL;
+out:
+        return;
+}
+
+
 pid_t 
 fork (void)
 {
@@ -2174,6 +2201,7 @@ _init (void)
         RESOLVE (lgetxattr);
         RESOLVE (remove);
         RESOLVE (lchown);
+	RESOLVE (rewinddir);
 
         /* This must be called after resolving real functions
          * above so that the socket based IO calls in libglusterfsclient
diff --git a/booster/src/booster_stat.c b/booster/src/booster_stat.c
index 6616c04ce..9c58b0c9a 100644
--- a/booster/src/booster_stat.c
+++ b/booster/src/booster_stat.c
@@ -62,6 +62,9 @@ booster_statvfs64 (const char *path, void *buf);
 extern void *
 booster_readdir (void *dir);
 
+extern void
+booster_rewinddir (void *dir);
+
 int
 stat (const char *path, void *buf)
 {
@@ -169,3 +172,9 @@ readdir64 (void *dir)
 {
         return booster_readdir (dir);
 }
+
+void
+rewinddir (void *dir)
+{
+	return booster_rewinddir (dir);
+}