On thu, 17 May 2012 18:20:04 +0300, Ilya Dryomov wrote:
> On Thu, May 17, 2012 at 07:58:53PM +0800, Miao Xie wrote:
>> We forget to free fs_info->balance_ctl in the btrfs_pause_balance()
>> when umounting the fs.
>>
>> Signed-off-by: Miao Xie
>> ---
>> fs/btrfs/volumes.c |3 +++
>> 1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
>> index c536d52..fd7fe80 100644
>> --- a/fs/btrfs/volumes.c
>> +++ b/fs/btrfs/volumes.c
>> @@ -2937,6 +2937,9 @@ int btrfs_pause_balance(struct btrfs_fs_info *fs_info)
>> ret = -ENOTCONN;
>> }
>>
>> +if (btrfs_fs_closing(fs_info) && fs_info->balance_ctl)
>> +unset_balance_control(fs_info);
>> +
>> mutex_unlock(&fs_info->balance_mutex);
>> return ret;
>> }
>
> It is kfree()'d in free_fs_info(), which should be called on unmount.
> Am I missing something here ?
It is my mistake. Sorry.
BTW I think freeing it in btrfs_pause_balance() is better because it is relative
to the balance, or the readability will become worse.
Thanks
Miao
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