Btrfs: remove repeated eb->pages check in, disk-io.c/csum_dirty_buffer
authorWang Sheng-Hui <shhuiw@gmail.com>
Mon, 8 Oct 2012 13:26:15 +0000 (07:26 -0600)
committerChris Mason <chris.mason@fusionio.com>
Tue, 9 Oct 2012 13:37:30 +0000 (09:37 -0400)
commit1037a5affc266fdfe08b2dd415d309ab2778ce6a
treea43eb06a467311e36d84ba36fe53ec2fac31d511
parentf60b1b49f6f72abb8bedfd49b758773bbda043c8
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