[PATCH] fs/buffer.c: Delete redundant uptodate check for buffer

[Shaokun Zhang]

From: Yang Guo <guoyang2@xxxxxxxxxx>

The buffer uptodate state has been checked in function set_buffer_uptodate,
there is no need use buffer_uptodate before calling set_buffer_uptodate and
delete it.

Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> 
Signed-off-by: Yang Guo <guoyang2@xxxxxxxxxx>
Signed-off-by: Shaokun Zhang <zhangshaokun@xxxxxxxxxxxxx>
---
 fs/buffer.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 673cfbef9eec..2c0d0b3f3203 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2055,8 +2055,7 @@ int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
 		block_end = block_start + blocksize;
 		if (block_end <= from || block_start >= to) {
 			if (PageUptodate(page)) {
-				if (!buffer_uptodate(bh))
-					set_buffer_uptodate(bh);
+				set_buffer_uptodate(bh);
 			}
 			continue;
 		}
@@ -2088,8 +2087,7 @@ int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
 			}
 		}
 		if (PageUptodate(page)) {
-			if (!buffer_uptodate(bh))
-				set_buffer_uptodate(bh);
+			set_buffer_uptodate(bh);
 			continue; 
 		}
 		if (!buffer_uptodate(bh) && !buffer_delay(bh) &&
-- 
2.7.4