linux-kernel - [PATCH v3 06/10] mm: frontswap: make all branches of if statement in put page consistent

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Message-Id: <1339325468-30614-7-git-send-email-levinsasha928@gmail.com>
Date:	Sun, 10 Jun 2012 12:51:04 +0200
From:	Sasha Levin <levinsasha928@...il.com>
To:	dan.magenheimer@...cle.com, konrad.wilk@...cle.com
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Sasha Levin <levinsasha928@...il.com>
Subject: [PATCH v3 06/10] mm: frontswap: make all branches of if statement in put page consistent

Currently it has a complex structure where different things are compared
at each branch. Simplify that and make both branches look similar.

Signed-off-by: Sasha Levin <levinsasha928@...il.com>
---
 mm/frontswap.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/frontswap.c b/mm/frontswap.c
index e6353d9..d8dc986 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -140,16 +140,16 @@ int __frontswap_store(struct page *page)
 		inc_frontswap_succ_stores();
 		if (!dup)
 			atomic_inc(&sis->frontswap_pages);
-	} else if (dup) {
+	} else {
 		/*
 		  failed dup always results in automatic invalidate of
 		  the (older) page from frontswap
 		 */
-		frontswap_clear(sis, offset);
-		atomic_dec(&sis->frontswap_pages);
-		inc_frontswap_failed_stores();
-	} else {
 		inc_frontswap_failed_stores();
+		if (dup) {
+			frontswap_clear(sis, offset);
+			atomic_dec(&sis->frontswap_pages);
+		}
 	}
 	if (frontswap_writethrough_enabled)
 		/* report failure so swap also writes to swap device */
-- 
1.7.8.6

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