Re: [PATCH v6 1/3] xfs: delete duplicated tp->t_dqinfo null check and allocation

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On 2020/11/13 9:55, Darrick J. Wong wrote:
> On Thu, Nov 12, 2020 at 10:53:39AM +0800, kaixuxia wrote:
>>
>>
>> On 2020/10/27 6:52, Darrick J. Wong wrote:
>>> On Fri, Oct 16, 2020 at 11:38:26AM +0800, xiakaixu1987@xxxxxxxxx wrote:
>>>> From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
>>>>
>>>> The function xfs_trans_mod_dquot_byino() wraps around
>>>> xfs_trans_mod_dquot() to account for quotas, and also there is the
>>>> function call chain xfs_trans_reserve_quota_bydquots -> xfs_trans_dqresv
>>>> -> xfs_trans_mod_dquot, both of them do the duplicated null check and
>>>> allocation. Thus we can delete the duplicated operation from them.
>>>>
>>>> Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
>>>> Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
>>>> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
>>>
>>> HAH this got all the way to v6, sorry I suck. :(
>>>
>>> Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>>
>> Hi Darrick,
>>
>> There are some patches that have been reviewed but not been merged
>> into xfs for-next branch, I will reply to them.
>> Sorry for the noise:)
> 
> Same situation here -- these are 5.11 cleanups and I'm still working on
> bug fixes for 5.10.  If you have time to review patches, can you please
> have a look at the unreviewed patches in the series "xfs: fix various
> scrub problems", please?
> Hi Darrick,

Thank you for the invitation! I am very interested and happy to review
these patches. I will review them when I have time:)

Thanks,
Kaixu

> --D
> 
>> Thanks,
>> Kaixu
>>>
>>> --D
>>>
>>>> ---
>>>>  fs/xfs/xfs_trans_dquot.c | 7 -------
>>>>  1 file changed, 7 deletions(-)
>>>>
>>>> diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
>>>> index fe45b0c3970c..67f1e275b34d 100644
>>>> --- a/fs/xfs/xfs_trans_dquot.c
>>>> +++ b/fs/xfs/xfs_trans_dquot.c
>>>> @@ -143,9 +143,6 @@ xfs_trans_mod_dquot_byino(
>>>>  	    xfs_is_quota_inode(&mp->m_sb, ip->i_ino))
>>>>  		return;
>>>>  
>>>> -	if (tp->t_dqinfo == NULL)
>>>> -		xfs_trans_alloc_dqinfo(tp);
>>>> -
>>>>  	if (XFS_IS_UQUOTA_ON(mp) && ip->i_udquot)
>>>>  		(void) xfs_trans_mod_dquot(tp, ip->i_udquot, field, delta);
>>>>  	if (XFS_IS_GQUOTA_ON(mp) && ip->i_gdquot)
>>>> @@ -698,7 +695,6 @@ xfs_trans_dqresv(
>>>>  	 * because we don't have the luxury of a transaction envelope then.
>>>>  	 */
>>>>  	if (tp) {
>>>> -		ASSERT(tp->t_dqinfo);
>>>>  		ASSERT(flags & XFS_QMOPT_RESBLK_MASK);
>>>>  		if (nblks != 0)
>>>>  			xfs_trans_mod_dquot(tp, dqp,
>>>> @@ -752,9 +748,6 @@ xfs_trans_reserve_quota_bydquots(
>>>>  	if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
>>>>  		return 0;
>>>>  
>>>> -	if (tp && tp->t_dqinfo == NULL)
>>>> -		xfs_trans_alloc_dqinfo(tp);
>>>> -
>>>>  	ASSERT(flags & XFS_QMOPT_RESBLK_MASK);
>>>>  
>>>>  	if (udqp) {
>>>> -- 
>>>> 2.20.0
>>>>
>>
>> -- 
>> kaixuxia

-- 
kaixuxia



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