[PATCH 1/2] fs: remove redundant check buffer_uptodate()

[Hao Xu <haoxu@xxxxxxxxxxxxxxxxx>]

Now set_buffer_uptodate() will test first and then set, so we don't have
to check buffer_uptodate() first, remove it to simplify code.

Signed-off-by: Hao Xu <haoxu@xxxxxxxxxxxxxxxxx>
---
 fs/buffer.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 0cb7ffd4977c..195f224edd8e 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1997,10 +1997,8 @@ int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
 	    block++, block_start=block_end, bh = bh->b_this_page) {
 		block_end = block_start + blocksize;
 		if (block_end <= from || block_start >= to) {
-			if (PageUptodate(page)) {
-				if (!buffer_uptodate(bh))
-					set_buffer_uptodate(bh);
-			}
+			if (PageUptodate(page))
+				set_buffer_uptodate(bh);
 			continue;
 		}
 		if (buffer_new(bh))
@@ -2031,8 +2029,7 @@ 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) &&
-- 
1.8.3.1