From ba81e7b83afedd16da79fdaef63611d84d9c8901 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: Fri, 4 Mar 2011 17:15:18 +0000
Subject: [PATCH] --- yaml --- r: 243182 b: refs/heads/master c:
 c055e99eea6e4f614267632fac546e7896c0227b h: refs/heads/master v: v3

---
 [refs]                 | 2 +-
 trunk/fs/btrfs/inode.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 6c4bcc719b8f..9f7e80c01ca3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 92986796d84ef939e304099dece32572a755b280
+refs/heads/master: c055e99eea6e4f614267632fac546e7896c0227b
diff --git a/trunk/fs/btrfs/inode.c b/trunk/fs/btrfs/inode.c
index 4822b3132784..04babaf31a33 100644
--- a/trunk/fs/btrfs/inode.c
+++ b/trunk/fs/btrfs/inode.c
@@ -4837,6 +4837,9 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 	if (root->objectid != BTRFS_I(inode)->root->objectid)
 		return -EXDEV;
 
+	if (inode->i_nlink == ~0U)
+		return -EMLINK;
+
 	btrfs_inc_nlink(inode);
 	inode->i_ctime = CURRENT_TIME;