Btrfs: dynamic allocation of path struct
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index f55c894..baceb1d 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -9,7 +9,7 @@
objectid, u8 type)
{
int ret = 0;
- struct btrfs_path path;
+ struct btrfs_path *path;
struct btrfs_dir_item *dir_item;
char *name_ptr;
struct btrfs_key key;
@@ -20,24 +20,26 @@
btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
ret = btrfs_name_hash(name, name_len, &key.offset);
BUG_ON(ret);
- btrfs_init_path(&path);
+ path = btrfs_alloc_path();
+ btrfs_init_path(path);
data_size = sizeof(*dir_item) + name_len;
- ret = btrfs_insert_empty_item(trans, root, &path, &key, data_size);
+ ret = btrfs_insert_empty_item(trans, root, path, &key, data_size);
if (ret)
goto out;
- dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path.nodes[0]),
- 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);
btrfs_set_dir_flags(dir_item, 0);
btrfs_set_dir_name_len(dir_item, name_len);
name_ptr = (char *)(dir_item + 1);
- btrfs_memcpy(root, path.nodes[0]->b_data, name_ptr, name, name_len);
- btrfs_mark_buffer_dirty(path.nodes[0]);
+ btrfs_memcpy(root, path->nodes[0]->b_data, name_ptr, name, name_len);
+ btrfs_mark_buffer_dirty(path->nodes[0]);
out:
- btrfs_release_path(root, &path);
+ btrfs_release_path(root, path);
+ btrfs_free_path(path);
return ret;
}
