On 6.07.20 г. 17:59 ч., Marcos Paulo de Souza wrote:
> From: Marcos Paulo de Souza <mpdesouza@xxxxxxxx>
>
> Without this change it's not possible to use these macros and having an
> if-else construction without using braces.
>
> Signed-off-by: Marcos Paulo de Souza <mpdesouza@xxxxxxxx>
This change would have been better accompanied with another one showing
intended usage. If it's part of a bigger rework then postpone it and
send everything altogether.
> ---
> fs/btrfs/ctree.h | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
> index a256961c0dbe..cef0489a1523 100644
> --- a/fs/btrfs/ctree.h
> +++ b/fs/btrfs/ctree.h
> @@ -1278,18 +1278,18 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info)
> BTRFS_MOUNT_##opt)
>
> #define btrfs_set_and_info(fs_info, opt, fmt, args...) \
> -{ \
> +do { \
> if (!btrfs_test_opt(fs_info, opt)) \
> btrfs_info(fs_info, fmt, ##args); \
> btrfs_set_opt(fs_info->mount_opt, opt); \
> -}
> +} while (0)
>
> #define btrfs_clear_and_info(fs_info, opt, fmt, args...) \
> -{ \
> +do { \
> if (btrfs_test_opt(fs_info, opt)) \
> btrfs_info(fs_info, fmt, ##args); \
> btrfs_clear_opt(fs_info->mount_opt, opt); \
> -}
> +} while (0)
>
> /*
> * Requests for changes that need to be done during transaction commit.
>