[RFC PATCH 11/18] mm/damon/sysfs: split out kdamond-independent schemes stats update logic into a new function

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'damon_sysfs_schemes_update_stats()' is coupled with both
damon_sysfs_kdamond and damon_sysfs_schemes.  It's a wide range of types
dependency.  It makes splitting the logics a little bit distracting.
Split the function so that each function is coupled with smaller range
of types.

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
 mm/damon/sysfs.c | 35 +++++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 129743292e17..082c55e68e0e 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -2204,6 +2204,25 @@ static void damon_sysfs_before_terminate(struct damon_ctx *ctx)
 	mutex_unlock(&ctx->kdamond_lock);
 }
 
+static void damon_sysfs_schemes_update_stats(
+		struct damon_sysfs_schemes *sysfs_schemes,
+		struct damon_ctx *ctx)
+{
+	struct damos *scheme;
+	int schemes_idx = 0;
+
+	damon_for_each_scheme(scheme, ctx) {
+		struct damon_sysfs_stats *sysfs_stats;
+
+		sysfs_stats = sysfs_schemes->schemes_arr[schemes_idx++]->stats;
+		sysfs_stats->nr_tried = scheme->stat.nr_tried;
+		sysfs_stats->sz_tried = scheme->stat.sz_tried;
+		sysfs_stats->nr_applied = scheme->stat.nr_applied;
+		sysfs_stats->sz_applied = scheme->stat.sz_applied;
+		sysfs_stats->qt_exceeds = scheme->stat.qt_exceeds;
+	}
+}
+
 /*
  * damon_sysfs_upd_schemes_stats() - Update schemes stats sysfs files.
  * @kdamond:	The kobject wrapper that associated to the kdamond thread.
@@ -2216,23 +2235,11 @@ static void damon_sysfs_before_terminate(struct damon_ctx *ctx)
 static int damon_sysfs_upd_schemes_stats(struct damon_sysfs_kdamond *kdamond)
 {
 	struct damon_ctx *ctx = kdamond->damon_ctx;
-	struct damon_sysfs_schemes *sysfs_schemes;
-	struct damos *scheme;
-	int schemes_idx = 0;
 
 	if (!ctx)
 		return -EINVAL;
-	sysfs_schemes = kdamond->contexts->contexts_arr[0]->schemes;
-	damon_for_each_scheme(scheme, ctx) {
-		struct damon_sysfs_stats *sysfs_stats;
-
-		sysfs_stats = sysfs_schemes->schemes_arr[schemes_idx++]->stats;
-		sysfs_stats->nr_tried = scheme->stat.nr_tried;
-		sysfs_stats->sz_tried = scheme->stat.sz_tried;
-		sysfs_stats->nr_applied = scheme->stat.nr_applied;
-		sysfs_stats->sz_applied = scheme->stat.sz_applied;
-		sysfs_stats->qt_exceeds = scheme->stat.qt_exceeds;
-	}
+	damon_sysfs_schemes_update_stats(
+			kdamond->contexts->contexts_arr[0]->schemes, ctx);
 	return 0;
 }
 
-- 
2.25.1





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