From: Zhao Lei <zhaolei@cn.fujitsu.com>
Date: Tue, 12 Jan 2016 09:22:13 +0000 (+0800)
Subject: btrfs: Remove unnecessary ClearPageUptodate for raid56
X-Git-Tag: v4.5-rc1~21^2~1
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=748f4ef4c6708e733da077a1980923b9d19db78a;p=linux.git

btrfs: Remove unnecessary ClearPageUptodate for raid56

PageUptodate flag already initialized to 0 for new page,
no need to set it again.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
---

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 719dbc0d3080..2bc34e91b62e 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1032,7 +1032,6 @@ static int alloc_rbio_pages(struct btrfs_raid_bio *rbio)
 		if (!page)
 			return -ENOMEM;
 		rbio->stripe_pages[i] = page;
-		ClearPageUptodate(page);
 	}
 	return 0;
 }
@@ -2273,7 +2272,6 @@ static int alloc_rbio_essential_pages(struct btrfs_raid_bio *rbio)
 			if (!page)
 				return -ENOMEM;
 			rbio->stripe_pages[index] = page;
-			ClearPageUptodate(page);
 		}
 	}
 	return 0;