From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Date: Tue, 14 Jan 2014 16:26:43 +0000 (+0800)
Subject: Btrfs: fix wrong search path initialization before searching tree root
X-Git-Tag: v3.14-rc1~29^2~25
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ffcfaf81795471be3c07d6e3143bff31edca5d5a;p=uclinux-h8%2Flinux.git

Btrfs: fix wrong search path initialization before searching tree root

To search tree root without transaction protection, we should neither search commit
root nor skip locking here, fix it.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
---

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 84aed2f30aa2..aa60cbe7066c 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -2095,7 +2095,7 @@ static int send_subvol_begin(struct send_ctx *sctx)
 	char *name = NULL;
 	int namelen;
 
-	path = alloc_path_for_send();
+	path = btrfs_alloc_path();
 	if (!path)
 		return -ENOMEM;