From d029b2a2be89a628c90a38124d3bd63d6158bc2e Mon Sep 17 00:00:00 2001
From: Adam Rutkowski <adam.j.rutkowski@intel.com>
Date: Sat, 26 Jun 2021 18:59:23 +0200
Subject: [PATCH] Remove unused pending_eviction_clines counter

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
---
 src/ocf_cache_priv.h |  2 --
 src/ocf_lru.c        | 13 -------------
 src/ocf_seq_cutoff.c |  2 +-
 src/ocf_space.h      |  2 --
 4 files changed, 1 insertion(+), 18 deletions(-)

diff --git a/src/ocf_cache_priv.h b/src/ocf_cache_priv.h
index 858ba8c..5d713b5 100644
--- a/src/ocf_cache_priv.h
+++ b/src/ocf_cache_priv.h
@@ -105,8 +105,6 @@ struct ocf_cache {
 	env_atomic pending_read_misses_list_blocked;
 	env_atomic pending_read_misses_list_count;
 
-	env_atomic pending_eviction_clines;
-
 	env_atomic flush_in_progress;
 	env_mutex flush_mutex;
 
diff --git a/src/ocf_lru.c b/src/ocf_lru.c
index 3462a9c..c769b78 100644
--- a/src/ocf_lru.c
+++ b/src/ocf_lru.c
@@ -657,16 +657,6 @@ void ocf_lru_clean(ocf_cache_t cache, struct ocf_user_part *user_part,
 	ocf_cleaner_fire(cache, &attribs);
 }
 
-bool ocf_lru_can_evict(ocf_cache_t cache)
-{
-	if (env_atomic_read(&cache->pending_eviction_clines) >=
-			OCF_PENDING_EVICTION_LIMIT) {
-		return false;
-	}
-
-	return true;
-}
-
 static void ocf_lru_invalidate(ocf_cache_t cache, ocf_cache_line_t cline,
 	ocf_core_id_t core_id, ocf_part_id_t part_id)
 {
@@ -730,9 +720,6 @@ uint32_t ocf_lru_req_clines(struct ocf_request *req,
 
 	i = 0;
 	while (i < cline_no) {
-		if (!ocf_lru_can_evict(cache))
-			break;
-
 		if (src_part->id != PARTITION_FREELIST) {
 			cline = lru_iter_eviction_next(&iter, dst_part, &core_id,
 					&core_line);
diff --git a/src/ocf_seq_cutoff.c b/src/ocf_seq_cutoff.c
index dabf0db..b6f4e33 100644
--- a/src/ocf_seq_cutoff.c
+++ b/src/ocf_seq_cutoff.c
@@ -11,7 +11,7 @@
 #include "ocf/ocf_debug.h"
 #include "utils/utils_cache_line.h"
 
-#define SEQ_CUTOFF_FULL_MARGIN OCF_PENDING_EVICTION_LIMIT
+#define SEQ_CUTOFF_FULL_MARGIN 512
 
 static inline bool ocf_seq_cutoff_is_on(ocf_cache_t cache,
 		struct ocf_request *req)
diff --git a/src/ocf_space.h b/src/ocf_space.h
index 51b7fa6..61383db 100644
--- a/src/ocf_space.h
+++ b/src/ocf_space.h
@@ -10,8 +10,6 @@
 #include "ocf_lru.h"
 #include "ocf_lru_structs.h"
 
-#define OCF_PENDING_EVICTION_LIMIT 512UL
-
 #define OCF_NUM_LRU_LISTS 32
 
 struct ocf_part;