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From: Eric Sandeen <sandeen@sandeen.net>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 03/14] xfs: refactor quota exceeded test
Date: Wed, 12 Feb 2020 19:52:30 -0600	[thread overview]
Message-ID: <d7682836-77ae-bd1d-14ff-4365fbb022da@sandeen.net> (raw)
In-Reply-To: <20200213014121.GX6870@magnolia>

On 2/12/20 7:41 PM, Darrick J. Wong wrote:
> On Wed, Feb 12, 2020 at 05:51:18PM -0600, Eric Sandeen wrote:
>> On 12/31/19 7:11 PM, Darrick J. Wong wrote:
>>> From: Darrick J. Wong <darrick.wong@oracle.com>
>>>
>>> Refactor the open-coded test for whether or not we're over quota.
>>
>> Ooh, nice.  This was horrible.

...

>>> +}
>>> +
>>>  /*
>>>   * Check the limits and timers of a dquot and start or reset timers
>>>   * if necessary.
>>> @@ -117,6 +128,8 @@ xfs_qm_adjust_dqtimers(
>>>  	struct xfs_mount	*mp,
>>>  	struct xfs_disk_dquot	*d)
>>>  {
>>> +	bool			over;
>>> +
>>>  	ASSERT(d->d_id);
>>>  
>>>  #ifdef DEBUG
>>> @@ -131,71 +144,47 @@ xfs_qm_adjust_dqtimers(
>>>  		       be64_to_cpu(d->d_rtb_hardlimit));
>>>  #endif
>>>  
>>> +	over = xfs_quota_exceeded(&d->d_bcount, &d->d_blk_softlimit,
>>> +			&d->d_blk_hardlimit);
>>>  	if (!d->d_btimer) {
>>> -		if ((d->d_blk_softlimit && (be64_to_cpu(d->d_bcount) > be64_to_cpu(d->d_blk_softlimit))) ||
>>> -		    (d->d_blk_hardlimit && (be64_to_cpu(d->d_bcount) > be64_to_cpu(d->d_blk_hardlimit)))) {
>>> +		if (over) {
>>
>> I wonder why we check the hard limit.  Isn't exceeding the soft limit
>> enough to start the timer?  Unrelated to the refactoring tho.
> 
> Suppose there's only a hard limit set?

then you get EDQUOT straightaway and timers don't matter?

I guess if you set a soft limit after you go over a hard-limit-only and ...
meh, ain't broke don't fix?

-Eric


  reply	other threads:[~2020-02-13  1:52 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-01  1:11 [PATCH 00/14] xfs: widen timestamps to deal with y2038 Darrick J. Wong
2020-01-01  1:11 ` [PATCH 01/14] xfs: explicitly define inode timestamp range Darrick J. Wong
2020-02-12 23:00   ` Eric Sandeen
2020-02-13  1:26     ` Darrick J. Wong
2020-02-13  1:50       ` Eric Sandeen
2020-02-13  1:53         ` Darrick J. Wong
2020-01-01  1:11 ` [PATCH 02/14] xfs: preserve default grace interval during quotacheck Darrick J. Wong
2020-02-12 23:35   ` Eric Sandeen
2020-02-19  4:55   ` Eric Sandeen
2020-03-03  3:03     ` Eric Sandeen
2020-03-03 15:48       ` Darrick J. Wong
2020-03-03 15:52         ` Eric Sandeen
2020-01-01  1:11 ` [PATCH 03/14] xfs: refactor quota exceeded test Darrick J. Wong
2020-02-12 23:51   ` Eric Sandeen
2020-02-13  1:41     ` Darrick J. Wong
2020-02-13  1:52       ` Eric Sandeen [this message]
2020-02-13  1:59         ` Darrick J. Wong
2020-05-31 14:04       ` Amir Goldstein
2020-01-01  1:11 ` [PATCH 04/14] xfs: fix quota timer inactivation Darrick J. Wong
2020-05-31 15:04   ` Amir Goldstein
2020-06-01 23:56     ` Darrick J. Wong
2020-01-01  1:11 ` [PATCH 05/14] xfs: refactor quota expiration timer modification Darrick J. Wong
2020-02-12 23:57   ` Eric Sandeen
2020-02-13  1:46     ` Darrick J. Wong
2020-02-13  3:27       ` Eric Sandeen
2020-02-13  3:32         ` Eric Sandeen
2020-02-13  5:33           ` Darrick J. Wong
2020-01-01  1:11 ` [PATCH 06/14] xfs: refactor default quota grace period setting code Darrick J. Wong
2020-02-13  0:15   ` Eric Sandeen
2020-02-13  1:53     ` Darrick J. Wong
2020-02-13  2:03       ` Darrick J. Wong
2020-01-01  1:11 ` [PATCH 07/14] xfs: remove xfs_timestamp_t Darrick J. Wong
2020-01-01  1:11 ` [PATCH 08/14] xfs: move xfs_log_dinode_to_disk to the log code Darrick J. Wong
2020-01-01  1:11 ` [PATCH 09/14] xfs: refactor timestamp coding Darrick J. Wong
2020-01-01  1:12 ` [PATCH 10/14] xfs: convert struct xfs_timestamp to union Darrick J. Wong
2020-01-01  1:12 ` [PATCH 11/14] xfs: widen ondisk timestamps to deal with y2038 problem Darrick J. Wong
2020-05-31 12:30   ` Amir Goldstein
2020-06-01 23:17     ` Darrick J. Wong
2020-06-02  4:26       ` Amir Goldstein
2020-01-01  1:12 ` [PATCH 12/14] xfs: cache quota grace period expiration times incore Darrick J. Wong
2020-01-01  1:12 ` [PATCH 13/14] xfs: enable bigtime for quota timers Darrick J. Wong
2020-05-31 17:07   ` Amir Goldstein
2020-06-02  0:09     ` Darrick J. Wong
2020-06-02  4:04       ` Amir Goldstein
2020-01-01  1:12 ` [PATCH 14/14] xfs: enable big timestamps Darrick J. Wong
2020-05-26  9:20 ` [PATCH 00/14] xfs: widen timestamps to deal with y2038 Amir Goldstein
2020-05-26 15:57   ` Darrick J. Wong
2020-05-26 16:42     ` Amir Goldstein
2020-05-31 17:31       ` Amir Goldstein
2020-06-02  0:09         ` Darrick J. Wong

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