From 1037a5affc266fdfe08b2dd415d309ab2778ce6a Mon Sep 17 00:00:00 2001
From: Wang Sheng-Hui <shhuiw@gmail.com>
Date: Mon, 8 Oct 2012 07:26:15 -0600
Subject: [PATCH] Btrfs: remove repeated eb->pages check in,
disk-io.c/csum_dirty_buffer
In csum_dirty_buffer, we first get eb from page->private.
Then we check if the page is the first page of eb. Later
we check it again. Remove the repeated check here.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
---
fs/btrfs/disk-io.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8355236877079..7cda51995c1e5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -433,10 +433,6 @@ static int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
WARN_ON(1);
return 0;
}
- if (eb->pages[0] != page) {
- WARN_ON(1);
- return 0;
- }
if (!PageUptodate(page)) {
WARN_ON(1);
return 0;
--
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