[PATCH] RDS: Remove some unused iWARP code

[PATCH] RDS: Remove some unused iWARP code

[Roland Dreier]

From: Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>

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-BHEL68pLQRGGvPXPguhicg@public.gmane.org>
---
 net/rds/iw_rdma.c |   15 +--------------
 1 files changed, 1 insertions(+), 14 deletions(-)

diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 4e1de17..a817705 100644
--- 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
-- 
1.7.8.3

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Re: [PATCH] RDS: Remove some unused iWARP code

[David Miller]

From: Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Date: Thu, 12 Jan 2012 10:57:56 -0800

> From: Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>
> 
> 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-BHEL68pLQRGGvPXPguhicg@public.gmane.org>

Applied.
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