Re: [PATCH] Btrfs: fix wrong check for btrfs_force_chunk_alloc()

[Filipe David Manana <fdmanana@gmail.com>]

On Sun, Apr 12, 2015 at 7:35 AM, Wang Shilong <wangshilong1991@gmail.com> wrote:
> btrfs_force_chunk_alloc() return 1 for allocation chunk successfully.
> This problem exists since commit c87f08ca4.
>
> With this patch, we might fix some enospc problems for balances.
>
> Signed-off-by: Wang Shilong <wangshilong1991@gmail.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Tested-by: Filipe Manana <fdmanana@suse.com>

> ---
>  fs/btrfs/relocation.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
> index d830853..c453464 100644
> --- a/fs/btrfs/relocation.c
> +++ b/fs/btrfs/relocation.c
> @@ -4037,7 +4037,7 @@ restart:
>         if (trans && progress && err == -ENOSPC) {
>                 ret = btrfs_force_chunk_alloc(trans, rc->extent_root,
>                                               rc->block_group->flags);
> -               if (ret == 0) {
> +               if (ret == 1) {
>                         err = 0;
>                         progress = 0;
>                         goto restart;
> --
> 1.7.12.4
> --
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-- 
Filipe David Manana,

"Reasonable men adapt themselves to the world.
 Unreasonable men adapt the world to themselves.
 That's why all progress depends on unreasonable men."