From e4feb2ca60635823283bbad79ef0f2aeb479683d Mon Sep 17 00:00:00 2001
From: Yan <yanzheng@21cn.com>
Date: Tue, 22 Jan 2008 12:46:56 -0500
Subject: [PATCH] --- yaml --- r: 128624 b: refs/heads/master c:
 ed0dab6b86cee64e9072107f65fa40629f162b38 h: refs/heads/master v: v3

---
 [refs]                 |  2 +-
 trunk/fs/btrfs/super.c | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index d8d2c7a15469..d9c1cc2e05fd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f0c5da1446cc500856a5e31c9a0e2a7bdd30e663
+refs/heads/master: ed0dab6b86cee64e9072107f65fa40629f162b38
diff --git a/trunk/fs/btrfs/super.c b/trunk/fs/btrfs/super.c
index b6982f0133cf..8b52c69fda2e 100644
--- a/trunk/fs/btrfs/super.c
+++ b/trunk/fs/btrfs/super.c
@@ -429,6 +429,17 @@ static struct file_system_type btrfs_fs_type = {
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+static void btrfs_write_super_lockfs(struct super_block *sb)
+{
+	struct btrfs_root *root = btrfs_sb(sb);
+	btrfs_transaction_flush_work(root);
+}
+
+static void btrfs_unlockfs(struct super_block *sb)
+{
+	struct btrfs_root *root = btrfs_sb(sb);
+	btrfs_transaction_queue_work(root, HZ * 30);
+}
 
 static struct super_operations btrfs_super_ops = {
 	.delete_inode	= btrfs_delete_inode,
@@ -442,8 +453,9 @@ static struct super_operations btrfs_super_ops = {
 	.alloc_inode	= btrfs_alloc_inode,
 	.destroy_inode	= btrfs_destroy_inode,
 	.statfs		= btrfs_statfs,
+	.write_super_lockfs = btrfs_write_super_lockfs,
+	.unlockfs	= btrfs_unlockfs,
 };
-
 static int __init init_btrfs_fs(void)
 {
 	int err;