Btrfs: don't do anything in our ->freeze_fs and ->unfreeze_fs

We do not need to do anything special to freeze or unfreeze, it's all taken
care of by the generic work, and what we currently have is wrong anyway
since we shouldn't be returnning to userspace with mutexes held anyway.
Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 5aa3b8182d9623b0678cea664ea0e14f0482a5f8..fb260bbf59c67cb06779732c9a4338f2f38bfc43 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1511,17 +1511,11 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
 
 static int btrfs_freeze(struct super_block *sb)
 {
-       struct btrfs_fs_info *fs_info = btrfs_sb(sb);
-       mutex_lock(&fs_info->transaction_kthread_mutex);
-       mutex_lock(&fs_info->cleaner_mutex);
        return 0;
 }
 
 static int btrfs_unfreeze(struct super_block *sb)
 {
-       struct btrfs_fs_info *fs_info = btrfs_sb(sb);
-       mutex_unlock(&fs_info->cleaner_mutex);
-       mutex_unlock(&fs_info->transaction_kthread_mutex);
        return 0;
 }