From 4eee4fa4f8ab8c2b2623c22be4c3cb91d525aa57 Mon Sep 17 00:00:00 2001 From: Miao Xie Date: Fri, 21 Dec 2012 09:17:45 +0000 Subject: Btrfs: use wrapper page_offset Use wrapper page_offset to get byte-offset into filesystem object for page. Signed-off-by: Liu Bo Signed-off-by: Miao Xie Signed-off-by: Josef Bacik --- fs/btrfs/disk-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/btrfs/disk-io.c') diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 4438aac4947f..a762f9137610 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -420,7 +420,7 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root, static int csum_dirty_buffer(struct btrfs_root *root, struct page *page) { struct extent_io_tree *tree; - u64 start = (u64)page->index << PAGE_CACHE_SHIFT; + u64 start = page_offset(page); u64 found_start; struct extent_buffer *eb; -- cgit v1.2.3