On 8.03.2018 16:33, David Sterba wrote:
> A useless wrapper around tree_mod_log_insert_root that hides missing
> error handling. Move it to the callers.
>
> Signed-off-by: David Sterba <dste...@suse.com>
For 15-17:
Reviewed-by: Nikolay Borisov <nbori...@suse.com>
> ---
> fs/btrfs/ctree.c | 20 +++++++-------------
> 1 file changed, 7 insertions(+), 13 deletions(-)
>
> diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
> index ceb0836d74cd..30950439731e 100644
> --- a/fs/btrfs/ctree.c
> +++ b/fs/btrfs/ctree.c
> @@ -883,16 +883,6 @@ static noinline int tree_mod_log_free_eb(struct
> extent_buffer *eb)
> return ret;
> }
>
> -static noinline void
> -tree_mod_log_set_root_pointer(struct btrfs_root *root,
> - struct extent_buffer *new_root_node,
> - int log_removal)
> -{
> - int ret;
> - ret = tree_mod_log_insert_root(root->node, new_root_node, log_removal);
> - BUG_ON(ret < 0);
> -}
> -
> /*
> * check if the tree block can be shared by multiple trees
> */
> @@ -1119,7 +1109,8 @@ static noinline int __btrfs_cow_block(struct
> btrfs_trans_handle *trans,
> parent_start = buf->start;
>
> extent_buffer_get(cow);
> - tree_mod_log_set_root_pointer(root, cow, 1);
> + ret = tree_mod_log_insert_root(root->node, cow, 1);
> + BUG_ON(ret < 0);
> rcu_assign_pointer(root->node, cow);
>
> btrfs_free_tree_block(trans, root, buf, parent_start,
> @@ -1873,7 +1864,8 @@ static noinline int balance_level(struct
> btrfs_trans_handle *trans,
> goto enospc;
> }
>
> - tree_mod_log_set_root_pointer(root, child, 1);
> + ret = tree_mod_log_insert_root(root->node, child, 1);
> + BUG_ON(ret < 0);
> rcu_assign_pointer(root->node, child);
>
> add_root_to_dirty_list(root);
> @@ -3319,6 +3311,7 @@ static noinline int insert_new_root(struct
> btrfs_trans_handle *trans,
> struct extent_buffer *c;
> struct extent_buffer *old;
> struct btrfs_disk_key lower_key;
> + int ret;
>
> BUG_ON(path->nodes[level]);
> BUG_ON(path->nodes[level-1] != root->node);
> @@ -3357,7 +3350,8 @@ static noinline int insert_new_root(struct
> btrfs_trans_handle *trans,
> btrfs_mark_buffer_dirty(c);
>
> old = root->node;
> - tree_mod_log_set_root_pointer(root, c, 0);
> + ret = tree_mod_log_insert_root(root->node, c, 0);
> + BUG_ON(ret < 0);
> rcu_assign_pointer(root->node, c);
>
> /* the super has an extra ref to root->node */
>
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