btrfs: free-space-cache, clean up unnecessary root arguments
The free space cache APIs accept a root but always use the tree root.
Also, btrfs_truncate_free_space_cache accepts a root AND an inode but
the inode always points to the root anyway, so let's just pass the inode.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 24d6adc..c35b966 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3374,7 +3374,7 @@ static int cache_save_setup(struct btrfs_block_group_cache *block_group,
if (trans->aborted)
return 0;
again:
- inode = lookup_free_space_inode(root, block_group, path);
+ inode = lookup_free_space_inode(fs_info, block_group, path);
if (IS_ERR(inode) && PTR_ERR(inode) != -ENOENT) {
ret = PTR_ERR(inode);
btrfs_release_path(path);
@@ -3388,7 +3388,8 @@ static int cache_save_setup(struct btrfs_block_group_cache *block_group,
if (block_group->ro)
goto out_free;
- ret = create_free_space_inode(root, trans, block_group, path);
+ ret = create_free_space_inode(fs_info, trans, block_group,
+ path);
if (ret)
goto out_free;
goto again;
@@ -3430,7 +3431,7 @@ static int cache_save_setup(struct btrfs_block_group_cache *block_group,
if (ret)
goto out_put;
- ret = btrfs_truncate_free_space_cache(root, trans, NULL, inode);
+ ret = btrfs_truncate_free_space_cache(trans, NULL, inode);
if (ret)
goto out_put;
}
@@ -10314,7 +10315,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
* get the inode first so any iput calls done for the io_list
* aren't the final iput (no unlinks allowed now)
*/
- inode = lookup_free_space_inode(tree_root, block_group, path);
+ inode = lookup_free_space_inode(fs_info, block_group, path);
mutex_lock(&trans->transaction->cache_write_mutex);
/*