Serge E. Hallyn wrote:
> Quoting Matt Helsley (matthltc@xxxxxxxxxx):
>
> ...
>
>> diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
>> index a7acfe6..f16be9d 100644
>> --- a/fs/btrfs/super.c
>> +++ b/fs/btrfs/super.c
>> @@ -686,6 +686,7 @@ static const struct file_operations btrfs_ctl_fops = {
>> .unlocked_ioctl = btrfs_control_ioctl,
>> .compat_ioctl = btrfs_control_ioctl,
>> .owner = THIS_MODULE,
>> + .checkpoint = generic_file_checkpoint,
>> };
>
> Do we really want this one?
We need to checkpoint the open file regardless of whether the underlying
filesystem has snapshot capabilities.
Oren.
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