From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Thu, 1 Dec 2011 13:35:19 +0000 (+0100)
Subject: Btrfs: make sure we're not using obsolete code in btrfs_get_extent
X-Git-Tag: v3.12-rc1~3717^2~47^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6bf7e080d5bcb0d399ee38ce3dabbfad64448192;p=kernel%2Fkernel-generic.git

Btrfs: make sure we're not using obsolete code in btrfs_get_extent

There's code in btrfs_get_extent that should never be used. This patch turns
a WARN_ON(1) into a BUG(), hoping we can remove the transaction code from
btrfs_get_extent soon.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
---

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ea81938..603d740 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5022,7 +5022,7 @@ again:
 			}
 			flush_dcache_page(page);
 		} else if (create && PageUptodate(page)) {
-			WARN_ON(1);
+			BUG();
 			if (!trans) {
 				kunmap(page);
 				free_extent_map(em);