From 1514794e4253cf4a32a2acc6de52f2527ca1bdce Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Thu, 24 Apr 2008 09:22:51 -0400
Subject: [PATCH] Btrfs: Make sure nodes have enough room for a double split

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
 fs/btrfs/ctree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 1c3d9d6fbdad..8ad8b5cc295a 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1146,7 +1146,7 @@ again:
 				slot -= 1;
 			p->slots[level] = slot;
 			if (ins_len > 0 && btrfs_header_nritems(b) >=
-			    BTRFS_NODEPTRS_PER_BLOCK(root) - 1) {
+			    BTRFS_NODEPTRS_PER_BLOCK(root) - 3) {
 				int sret = split_node(trans, root, p, level);
 				BUG_ON(sret > 0);
 				if (sret)