[PATCH 1/2] lib/core/fiber: Rename stack_direction to stack_growsdown

[Vladimir Davydov]

On Tue, Mar 19, 2019 at 10:38:44PM +0300, Cyrill Gorcunov wrote:
> Since growsdown (or growsup) is more clear and common name.
> ---
>  src/lib/core/fiber.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/src/lib/core/fiber.c b/src/lib/core/fiber.c
> index c55b3ab39..922a0bfe8 100644
> --- a/src/lib/core/fiber.c
> +++ b/src/lib/core/fiber.c
> @@ -105,7 +105,7 @@ __thread struct cord *cord_ptr = NULL;
>  pthread_t main_thread_id;
>  
>  static size_t page_size;
> -static int stack_direction;
> +static bool stack_growsdown;
>  
>  enum {
>  	/* The minimum allowable fiber stack size in bytes */
> @@ -808,7 +808,7 @@ fiber_stack_recycle(struct fiber *fiber)
>  	 * it anyway.
>  	 */
>  	void *start, *end;
> -	if (stack_direction < 0) {
> +	if (stack_growsdown) {

TBO I like stack_direction more as it's looks symmetrical, so to say.
I'd refrain from changing this if there's no other reason rather than
personal taste.