Mountable btrfs, with readdir
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index 4d8083d..75d6e37 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -18,12 +18,7 @@
key.objectid = dir;
key.flags = 0;
btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
- if (name_len == 1 && *name == '.')
- key.offset = 1;
- else if (name_len == 2 && name[0] == '.' && name[1] == '.')
- key.offset = 2;
- else
- ret = btrfs_name_hash(name, name_len, &key.offset);
+ ret = btrfs_name_hash(name, name_len, &key.offset);
BUG_ON(ret);
btrfs_init_path(&path);
data_size = sizeof(*dir_item) + name_len;
@@ -31,7 +26,8 @@
if (ret)
goto out;
- dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
+ 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_set_dir_type(dir_item, type);
@@ -45,8 +41,8 @@
}
int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct btrfs_path *path, u64 dir, char *name,
- int name_len, int mod)
+ *root, struct btrfs_path *path, u64 dir,
+ const char *name, int name_len, int mod)
{
int ret;
struct btrfs_key key;
@@ -69,7 +65,8 @@
struct btrfs_dir_item *dir_item;
char *name_ptr;
- dir_item = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
+ dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path->nodes[0]),
+ path->slots[0],
struct btrfs_dir_item);
if (btrfs_dir_name_len(dir_item) != name_len)
return 0;