[dpdk-dev] [PATCH] Remove n_orig from __mempool_get_bulk() routine, cleanup comment.

[dpdk-dev] [PATCH] Remove n_orig from __mempool_get_bulk() routine, cleanup comment.

[Wiles, Roger Keith]

Cleanup the code some to remove n_orig variable that was not required.                                                              
Update the comments to __mempool_get_bulk to state the correct return value.                                                       

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>                                                                              
---                                                                                                                                 
 lib/librte_mempool/rte_mempool.h | 11 ++++-------                                                                                  
 1 file changed, 4 insertions(+), 7 deletions(-)                                                                                    

diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index 95f19f9..597cf4f 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -937,7 +937,7 @@ rte_mempool_put(struct rte_mempool *mp, void *obj)
  * @param is_mc
  *   Mono-consumer (0) or multi-consumers (1).
  * @return
- *   - >=0: Success; number of objects supplied.
+ *   - 0: Success; number of objects requested.
  *   - <0: Error; code of ring dequeue function.
  */
 static inline int __attribute__((always_inline))
@@ -945,9 +945,6 @@ __mempool_get_bulk(struct rte_mempool *mp, void **obj_table,
                   unsigned n, int is_mc)
 {
        int ret;
-#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
-       unsigned n_orig = n;
-#endif
 #if RTE_MEMPOOL_CACHE_MAX_SIZE > 0
        struct rte_mempool_cache *cache;
        uint32_t index, len;
@@ -988,7 +985,7 @@ __mempool_get_bulk(struct rte_mempool *mp, void **obj_table,
 
        cache->len -= n;
 
-       __MEMPOOL_STAT_ADD(mp, get_success, n_orig);
+       __MEMPOOL_STAT_ADD(mp, get_success, n);
 
        return 0;
 
@@ -1002,9 +999,9 @@ ring_dequeue:
                ret = rte_ring_sc_dequeue_bulk(mp->ring, obj_table, n);
 
        if (ret < 0)
-               __MEMPOOL_STAT_ADD(mp, get_fail, n_orig);
+               __MEMPOOL_STAT_ADD(mp, get_fail, n);
        else
-               __MEMPOOL_STAT_ADD(mp, get_success, n_orig);
+               __MEMPOOL_STAT_ADD(mp, get_success, n);
 
        return ret;
 }
-- 
2.1.0

Keith Wiles, Principal Technologist with CTO office, Wind River mobile 972-213-5533

Re: [dpdk-dev] [PATCH] Remove n_orig from __mempool_get_bulk() routine, cleanup comment.

[Thomas Monjalon]

Hi Keith,

2014-10-03 21:27, Wiles, Roger Keith:
> Cleanup the code some to remove n_orig variable that was not required.                                                              
> Update the comments to __mempool_get_bulk to state the correct return value.                                                       
> 
> Signed-off-by: Keith Wiles <keith.wiles@windriver.com>                                                                              
[...]
>   * @return
> - *   - >=0: Success; number of objects supplied.
> + *   - 0: Success; number of objects requested.
>   *   - <0: Error; code of ring dequeue function.
>   */
>  static inline int __attribute__((always_inline))
> @@ -945,9 +945,6 @@ __mempool_get_bulk(struct rte_mempool *mp, void **obj_table,
>                    unsigned n, int is_mc)

Please, could you check ret? I think it can be >0.

Formatting comment: title should be
	mempool: remove useless variable
Prefer short title, especially when behavior is not changed.

Thanks
-- 
Thomas