Btrfs: start of support for many FS volumes

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index 0ee9945fb1b0..7aed9f015b55 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -25,8 +25,8 @@ int insert_with_overflow(struct btrfs_trans_handle *trans, struct btrfs_root
 }
 
 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
-                          *root, const char *name, int name_len, u64 dir, u64
-                          objectid, u8 type)
+                          *root, const char *name, int name_len, u64 dir,
+                          struct btrfs_key *location, u8 type)
 {
         int ret = 0;
         struct btrfs_path *path;
@@ -50,17 +50,21 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
         dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path->nodes[0]),
                                   path->slots[0],
                                   struct btrfs_dir_item);
-        btrfs_set_dir_objectid(dir_item, objectid);
+        btrfs_cpu_key_to_disk(&dir_item->location, location);
         btrfs_set_dir_type(dir_item, type);
         btrfs_set_dir_flags(dir_item, 0);
         btrfs_set_dir_name_len(dir_item, name_len);
         name_ptr = (char *)(dir_item + 1);
+        /* FIXME, use some real flag for selecting the extra index */
+        if (root == root->fs_info->tree_root)
+                goto out;
+
         btrfs_memcpy(root, path->nodes[0]->b_data, name_ptr, name, name_len);
         btrfs_mark_buffer_dirty(path->nodes[0]);
         btrfs_release_path(root, path);
 
         btrfs_set_key_type(&key, BTRFS_DIR_INDEX_KEY);
-        key.offset = objectid;
+        key.offset = location->objectid;
         ret = insert_with_overflow(trans, root, path, &key, data_size);
         // FIXME clear the dirindex bit
         if (ret)
@@ -69,7 +73,7 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
         dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path->nodes[0]),
                                   path->slots[0],
                                   struct btrfs_dir_item);
-        btrfs_set_dir_objectid(dir_item, objectid);
+        btrfs_cpu_key_to_disk(&dir_item->location, location);
         btrfs_set_dir_type(dir_item, type);
         btrfs_set_dir_flags(dir_item, 0);
         btrfs_set_dir_name_len(dir_item, name_len);