Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort

[Michal Hocko]

On Tue 18-08-15 12:40:31, Michal Hocko wrote:
[...]
> @@ -4867,9 +4865,7 @@ struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
>  		return NULL;
>  
>  	for (i = 0; i < num_pages; i++, index++) {
> -		p = find_or_create_page(mapping, index, GFP_NOFS);
> -		if (!p)
> -			goto free_eb;
> +		p = find_or_create_page(mapping, index, GFP_NOFS|__GFP_NOFAIL);
>  
>  		spin_lock(&mapping->private_lock);
>  		if (PagePrivate(p)) {

Same here. find_or_create_page might return NULL.
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