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Btrfs: remove repeated eb->pages check in, disk-io.c/csum_dirty_buffer
author
Wang Sheng-Hui
<shhuiw@gmail.com>
Mon, 8 Oct 2012 13:26:15 +0000
(07:26 -0600)
committer
Chris Mason
<chris.mason@fusionio.com>
Tue, 9 Oct 2012 13:37:30 +0000
(09:37 -0400)
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
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diff --git
a/fs/btrfs/disk-io.c
b/fs/btrfs/disk-io.c
index
8355236
..
7cda519
100644
(file)
--- 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;