diff mbox

[for-4.17,08/20] bcache: fix error return value in memory shrink

Message ID 20180319003633.27225-9-mlyle@lyle.org (mailing list archive)
State New, archived
Headers show

Commit Message

Michael Lyle March 19, 2018, 12:36 a.m. UTC 
From: Tang Junhui <tang.junhui@zte.com.cn>

In bch_mca_scan(), the return value should not be the number of freed btree
nodes, but the number of pages of freed btree nodes.

Signed-off-by: Tang Junhui <tang.junhui@zte.com.cn>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
---
 drivers/md/bcache/btree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 39cc8a549091..b2d4899f48d5 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -719,7 +719,7 @@  static unsigned long bch_mca_scan(struct shrinker *shrink,
 	}
 out:
 	mutex_unlock(&c->bucket_lock);
-	return freed;
+	return freed * c->btree_pages;
 }
 
 static unsigned long bch_mca_count(struct shrinker *shrink,