RDS: Remove some unused iWARP code

rds_iw_flush_goal() just returns a count, but it is only called in one
place and its return value is ignored there.  So delete all the dead code.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 4e1de171866c7ab170297f1fcdf0878c2d8a5f62..a817705ce2d0e9246388c2c65d77b4c486a8feba 100644 (file)
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -477,17 +477,6 @@ void rds_iw_sync_mr(void *trans_private, int direction)
        }
 }
 
-static inline unsigned int rds_iw_flush_goal(struct rds_iw_mr_pool *pool, int free_all)
-{
-       unsigned int item_count;
-
-       item_count = atomic_read(&pool->item_count);
-       if (free_all)
-               return item_count;
-
-       return 0;
-}
-
 /*
  * Flush our pool of MRs.
  * At a minimum, all currently unused MRs are unmapped.
@@ -500,7 +489,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
        LIST_HEAD(unmap_list);
        LIST_HEAD(kill_list);
        unsigned long flags;
-       unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal;
+       unsigned int nfreed = 0, ncleaned = 0, unpinned = 0;
        int ret = 0;
 
        rds_iw_stats_inc(s_iw_rdma_mr_pool_flush);
@@ -514,8 +503,6 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
                list_splice_init(&pool->clean_list, &kill_list);
        spin_unlock_irqrestore(&pool->list_lock, flags);
 
-       free_goal = rds_iw_flush_goal(pool, free_all);
-
        /* Batched invalidate of dirty MRs.
         * For FMR based MRs, the mappings on the unmap list are
         * actually members of an ibmr (ibmr->mapping). They either