Added a priority queue for the request instead of push front

Now the request can be pushed to a high priority queue (instead of ocf_queue_push_req_front) and to a low priority queue (instead of ocf_queue_push_req_back). Both functions were merged into one function (ocf_queue_push_req) and instead of the allow_sync parameter there is now a flags parameter that can be an OR combination of OCF_QUEUE_ALLOW_SYNC and OCF_QUEUE_PRIO_HIGH Signed-off-by: Ian Levine <[email protected]> Signed-off-by: Robert Baldyga <[email protected]>
Open-CAS · Jul 22, 2024 · d5cf8cc · d5cf8cc
1 parent 37767ae
commit d5cf8cc
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Showing 23 changed files with 88 additions and 129 deletions.
diff --git a/src/engine/cache_engine.c b/src/engine/cache_engine.c
@@ -233,7 +233,7 @@ int ocf_engine_hndl_req(struct ocf_request *req)
 	 * to into OCF workers
 	 */
 
-	ocf_queue_push_req_back(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC);
 
 	return 0;
 }
@@ -282,7 +282,7 @@ void ocf_engine_hndl_ops_req(struct ocf_request *req)
 			ocf_io_if_type_to_engine_cb(OCF_IO_D2C_IF, req->rw) :
 			ocf_io_if_type_to_engine_cb(OCF_IO_OPS_IF, req->rw);
 
-	ocf_queue_push_req_back(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC);
 }
 
 bool ocf_req_cache_mode_has_lazy_write(ocf_req_cache_mode_t mode)

diff --git a/src/engine/engine_bf.c b/src/engine/engine_bf.c
@@ -95,5 +95,6 @@ static int _ocf_backfill_do(struct ocf_request *req)
 void ocf_engine_backfill(struct ocf_request *req)
 {
 	backfill_queue_inc_block(req->cache);
-	ocf_queue_push_req_front_cb(req, _ocf_backfill_do, true);
+	ocf_queue_push_req_cb(req, _ocf_backfill_do,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
diff --git a/src/engine/engine_common.c b/src/engine/engine_common.c
@@ -381,7 +381,8 @@ static void _ocf_engine_clean_end(void *private_data, int error)
 	} else {
 		req->info.dirty_any = 0;
 		req->info.dirty_all = 0;
-		ocf_queue_push_req_front(req, true);
+		ocf_queue_push_req(req,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	}
 }
 
@@ -643,5 +644,5 @@ void ocf_engine_on_resume(struct ocf_request *req)
 
 	OCF_DEBUG_RQ(req, "On resume");
 
-	ocf_queue_push_req_front_cb(req, _ocf_engine_refresh, false);
+	ocf_queue_push_req_cb(req, _ocf_engine_refresh, OCF_QUEUE_PRIO_HIGH);
 }
diff --git a/src/engine/engine_discard.c b/src/engine/engine_discard.c
@@ -74,7 +74,7 @@ static void _ocf_discard_cache_flush_complete(struct ocf_io *io, int error)
 	}
 
 	req->engine_handler = _ocf_discard_core;
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 
 	ocf_io_put(io);
 }
@@ -111,7 +111,7 @@ static void _ocf_discard_finish_step(struct ocf_request *req)
 	else
 		req->engine_handler = _ocf_discard_core;
 
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 static void _ocf_discard_step_complete(struct ocf_request *req, int error)
@@ -182,7 +182,7 @@ static int _ocf_discard_step_do(struct ocf_request *req)
 static void _ocf_discard_on_resume(struct ocf_request *req)
 {
 	OCF_DEBUG_RQ(req, "On resume");
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 static int _ocf_discard_step(struct ocf_request *req)

diff --git a/src/engine/engine_fast.c b/src/engine/engine_fast.c
@@ -46,7 +46,7 @@ static void _ocf_read_fast_complete(struct ocf_request *req, int error)
 	if (req->error) {
 		OCF_DEBUG_RQ(req, "ERROR");
 
-		ocf_queue_push_req_front_pt(req);
+		ocf_queue_push_req_pt(req);
 	} else {
 		ocf_req_unlock(ocf_cache_line_concurrency(req->cache), req);
 

diff --git a/src/engine/engine_inv.c b/src/engine/engine_inv.c
@@ -63,5 +63,6 @@ static int _ocf_invalidate_do(struct ocf_request *req)
 
 void ocf_engine_invalidate(struct ocf_request *req)
 {
-	ocf_queue_push_req_front_cb(req, _ocf_invalidate_do, true);
+	ocf_queue_push_req_cb(req, _ocf_invalidate_do,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
diff --git a/src/engine/engine_pt.c b/src/engine/engine_pt.c
@@ -165,8 +165,9 @@ int ocf_read_pt(struct ocf_request *req)
 	return 0;
 }
 
-void ocf_queue_push_req_front_pt(struct ocf_request *req)
+void ocf_queue_push_req_pt(struct ocf_request *req)
 {
-	ocf_queue_push_req_front_cb(req, ocf_read_pt_do, true);
+	ocf_queue_push_req_cb(req, ocf_read_pt_do,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
diff --git a/src/engine/engine_pt.h b/src/engine/engine_pt.h
@@ -11,6 +11,6 @@ int ocf_read_pt(struct ocf_request *req);
 
 int ocf_read_pt_do(struct ocf_request *req);
 
-void ocf_queue_push_req_front_pt(struct ocf_request *req);
+void ocf_queue_push_req_pt(struct ocf_request *req);
 
 #endif /* ENGINE_OFF_H_ */
diff --git a/src/engine/engine_rd.c b/src/engine/engine_rd.c
@@ -42,7 +42,7 @@ static void _ocf_read_generic_hit_complete(struct ocf_request *req, int error)
 		OCF_DEBUG_RQ(req, "HIT completion");
 
 		if (req->error) {
-			ocf_queue_push_req_front_pt(req);
+			ocf_queue_push_req_pt(req);
 		} else {
 			ocf_req_unlock(c, req);
 

diff --git a/src/engine/engine_wb.c b/src/engine/engine_wb.c
@@ -103,8 +103,8 @@ static void _ocf_write_wb_complete(struct ocf_request *req, int error)
 
 		ocf_engine_invalidate(req);
 	} else {
-		ocf_queue_push_req_front_cb(req,
-				ocf_write_wb_do_flush_metadata, true);
+		ocf_queue_push_req_cb(req, ocf_write_wb_do_flush_metadata,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	}
 }
 

diff --git a/src/engine/engine_wi.c b/src/engine/engine_wi.c
@@ -56,8 +56,8 @@ static void _ocf_write_wi_io_flush_metadata(struct ocf_request *req, int error)
 
 	if (!req->error && !req->wi_second_pass && ocf_engine_is_miss(req)) {
 		/* need another pass */
-		ocf_queue_push_req_front_cb(req, _ocf_write_wi_next_pass,
-				true);
+		ocf_queue_push_req_cb(req, _ocf_write_wi_next_pass,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 		return;
 	}
 
@@ -123,8 +123,9 @@ static void _ocf_write_wi_core_complete(struct ocf_request *req, int error)
 
 		ocf_req_put(req);
 	} else {
-		ocf_queue_push_req_front_cb(req,
-				ocf_write_wi_update_and_flush_metadata, true);
+		ocf_queue_push_req_cb(req,
+				ocf_write_wi_update_and_flush_metadata,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	}
 }
 
@@ -155,7 +156,7 @@ static int _ocf_write_wi_core_write(struct ocf_request *req)
 static void _ocf_write_wi_on_resume(struct ocf_request *req)
 {
 	OCF_DEBUG_RQ(req, "On resume");
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 int ocf_write_wi(struct ocf_request *req)

diff --git a/src/engine/engine_wo.c b/src/engine/engine_wo.c
@@ -171,7 +171,7 @@ static void _ocf_read_wo_core_complete(struct ocf_request *req, int error)
 	}
 
 	req->engine_handler = ocf_read_wo_cache_do;
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 static int ocf_read_wo_do(struct ocf_request *req)

diff --git a/src/engine/engine_wt.c b/src/engine/engine_wt.c
@@ -113,8 +113,8 @@ static void _ocf_write_wt_req_complete(struct ocf_request *req)
 
 	if (req->info.dirty_any) {
 		/* Some of the request's cachelines changed its state to clean */
-		ocf_queue_push_req_front_cb(req,
-				ocf_write_wt_do_flush_metadata, true);
+		ocf_queue_push_req_cb(req, ocf_write_wt_do_flush_metadata,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	} else {
 		ocf_req_unlock_wr(ocf_cache_line_concurrency(req->cache), req);
 

diff --git a/src/engine/engine_zero.c b/src/engine/engine_zero.c
@@ -51,7 +51,8 @@ static void _ocf_zero_io_flush_metadata(struct ocf_request *req, int error)
 	if (env_atomic_dec_return(&req->req_remaining))
 		return;
 
-	ocf_queue_push_req_front_cb(req, ocf_zero_purge, true);
+	ocf_queue_push_req_cb(req, ocf_zero_purge,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 static inline void ocf_zero_map_info(struct ocf_request *req)
@@ -149,7 +150,8 @@ void ocf_engine_zero_line(struct ocf_request *req)
 
 	if (lock >= 0) {
 		ENV_BUG_ON(lock != OCF_LOCK_ACQUIRED);
-		ocf_queue_push_req_front_cb(req, _ocf_zero_do, true);
+		ocf_queue_push_req_cb(req, _ocf_zero_do,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	} else {
 		OCF_DEBUG_RQ(req, "LOCK ERROR %d", lock);
 		req->complete(req, lock);

diff --git a/src/metadata/metadata_io.c b/src/metadata/metadata_io.c
@@ -93,7 +93,8 @@ static void metadata_io_read_i_atomic_step_end(struct ocf_io *io, int error)
 	context->curr_offset += context->curr_count;
 
 	if (context->count > 0)
-		ocf_queue_push_req_front(context->req, true);
+		ocf_queue_push_req(context->req,
+				OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	else
 		metadata_io_read_i_atomic_complete(context, 0);
 }
@@ -181,7 +182,8 @@ int metadata_io_read_i_atomic(ocf_cache_t cache, ocf_queue_t queue, void *priv,
 	context->compl_hndl = compl_hndl;
 	context->priv = priv;
 
-	ocf_queue_push_req_front(context->req, true);
+	ocf_queue_push_req(context->req,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 
 	return 0;
 }
@@ -269,7 +271,7 @@ static void metadata_io_req_finalize(struct metadata_io_request *m_req)
 
 static void metadata_io_page_lock_acquired(struct ocf_request *req)
 {
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 static int metadata_io_restart_req(struct ocf_request *req)
@@ -401,7 +403,8 @@ void metadata_io_req_complete(struct metadata_io_request *m_req)
 	}
 
 	m_req->req.engine_handler = metadata_io_restart_req;
-	ocf_queue_push_req_front(&m_req->req, true);
+	ocf_queue_push_req(&m_req->req,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 /*

diff --git a/src/metadata/metadata_passive_update.c b/src/metadata/metadata_passive_update.c
@@ -71,7 +71,7 @@ static int passive_io_resume(struct ocf_request *req)
 
 static void passive_io_page_lock_acquired(struct ocf_request *req)
 {
-	ocf_queue_push_req_front(req, true);
+	ocf_queue_push_req(req, OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 int ocf_metadata_passive_update(ocf_cache_t cache, struct ocf_io *io,

diff --git a/src/metadata/metadata_raw_dynamic.c b/src/metadata/metadata_raw_dynamic.c
@@ -389,7 +389,8 @@ static void raw_dynamic_load_all_read_end(struct ocf_io *io, int error)
 	}
 
 	context->req->engine_handler = raw_dynamic_load_all_update;
-	ocf_queue_push_req_front(context->req, true);
+	ocf_queue_push_req(context->req,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 }
 
 static int raw_dynamic_load_all_read(struct ocf_request *req)
@@ -455,7 +456,8 @@ static int raw_dynamic_load_all_update(struct ocf_request *req)
 	}
 
 	context->req->engine_handler = raw_dynamic_load_all_read;
-	ocf_queue_push_req_front(context->req, true);
+	ocf_queue_push_req(context->req,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 
 	return 0;
 }
@@ -501,7 +503,8 @@ void raw_dynamic_load_all(ocf_cache_t cache, struct ocf_metadata_raw *raw,
 	context->req->priv = context;
 	context->req->engine_handler = raw_dynamic_load_all_read;
 
-	ocf_queue_push_req_front(context->req, true);
+	ocf_queue_push_req(context->req,
+			OCF_QUEUE_ALLOW_SYNC | OCF_QUEUE_PRIO_HIGH);
 	return;
 
 err_req:

diff --git a/src/mngt/ocf_mngt_flush.c b/src/mngt/ocf_mngt_flush.c
@@ -402,7 +402,7 @@ static void _ocf_mngt_flush_portion_end(void *private_data, int error)
 		return;
 	}
 
-	ocf_queue_push_req_back(fc->req, false);
+	ocf_queue_push_req(fc->req, 0);
 }
 
 
@@ -452,7 +452,7 @@ static void _ocf_mngt_flush_container(
 	fc->ticks1 = 0;
 	fc->ticks2 = UINT_MAX;
 
-	ocf_queue_push_req_back(fc->req, true);
+	ocf_queue_push_req(fc->req, OCF_QUEUE_ALLOW_SYNC);
 	return;
 
 finish: