ext4: Fix ext4_dx_readdir hash collision handling

[linux-2.6-omap-h63xx.git] / fs / ext4 / dir.c

diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index d3d23d73c08b5e5e1584f16f88be892e4903ecfa..ec8e33b452198ba9ab7818884a57e27ff8a20509 100644 (file)
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -411,7 +411,7 @@ static int call_filldir(struct file * filp, void * dirent,
                                get_dtype(sb, fname->file_type));
                if (error) {
                        filp->f_pos = curr_pos;
-                       info->extra_fname = fname->next;
+                       info->extra_fname = fname;
                        return error;
                }
                fname = fname->next;
@@ -450,11 +450,21 @@ static int ext4_dx_readdir(struct file * filp,
         * If there are any leftover names on the hash collision
         * chain, return them first.
         */
-       if (info->extra_fname &&
-           call_filldir(filp, dirent, filldir, info->extra_fname))
-               goto finished;
+       if (info->extra_fname) {
+               if (call_filldir(filp, dirent, filldir, info->extra_fname))
+                       goto finished;
 
-       if (!info->curr_node)
+               info->extra_fname = NULL;
+               info->curr_node = rb_next(info->curr_node);
+               if (!info->curr_node) {
+                       if (info->next_hash == ~0) {
+                               filp->f_pos = EXT4_HTREE_EOF;
+                               goto finished;
+                       }
+                       info->curr_hash = info->next_hash;
+                       info->curr_minor_hash = 0;
+               }
+       } else if (!info->curr_node)
                info->curr_node = rb_first(&info->root);
 
        while (1) {