Re: [PATCH] btrfs: Opencode ordered_data_tree_panic

[Nikolay Borisov <nborisov@suse.com>]

On 29.11.19 г. 11:38 ч., Nikolay Borisov wrote:
> It's a simple wrapper over btrfs_panic and is called only once. Just
> open code it.
> 
> Signed-off-by: Nikolay Borisov <nborisov@suse.com>
> ---
>  fs/btrfs/extent-tree.c  |  5 +----
>  fs/btrfs/ordered-data.c | 10 +---------
>  2 files changed, 2 insertions(+), 13 deletions(-)
> 
> diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
> index f68b38f44f0b..ab99ec6e188b 100644
> --- a/fs/btrfs/extent-tree.c
> +++ b/fs/btrfs/extent-tree.c
> @@ -4172,11 +4172,8 @@ int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
>  	struct btrfs_block_group *cache;
>  
>  	cache = btrfs_lookup_block_group(fs_info, start);
> -	if (!cache) {
> -		btrfs_err(fs_info, "Unable to find block group for %llu",
> -			  start);
> +	if (!cache)
>  		return -ENOSPC;
> -	}
>  
>  	btrfs_add_free_space(cache, start, len);
>  	btrfs_free_reserved_bytes(cache, len, delalloc);

Grrr this hunk should be dropped.... Shall I resend ?

> diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
> index fb09bc2f8e4d..ddba2dc34b5a 100644
> --- a/fs/btrfs/ordered-data.c
> +++ b/fs/btrfs/ordered-data.c
> @@ -52,14 +52,6 @@ static struct rb_node *tree_insert(struct rb_root *root, u64 file_offset,
>  	return NULL;
>  }
>  
> -static void ordered_data_tree_panic(struct inode *inode, int errno,
> -					       u64 offset)
> -{
> -	struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
> -	btrfs_panic(fs_info, errno,
> -		    "Inconsistency in ordered tree at offset %llu", offset);
> -}
> -
>  /*
>   * look for a given offset in the tree, and if it can't be found return the
>   * first lesser offset
> @@ -219,7 +211,7 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
>  	node = tree_insert(&tree->tree, file_offset,
>  			   &entry->rb_node);
>  	if (node)
> -		ordered_data_tree_panic(inode, -EEXIST, file_offset);
> +		btrfs_panic(fs_info, -EEXIST, "Inconsistency in ordered tree at offset %llu",offset);
>  	spin_unlock_irq(&tree->lock);
>  
>  	spin_lock(&root->ordered_extent_lock);
>