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From: piaojun <piaojun@huawei.com>
To: Changwei Ge <ge.changwei@h3c.com>, Larry Chen <lchen@suse.com>,
	"mfasheh@versity.com" <mfasheh@versity.com>,
	"jlbec@evilplan.org" <jlbec@evilplan.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ocfs2-devel@oss.oracle.com" <ocfs2-devel@oss.oracle.com>
Subject: [Ocfs2-devel] [PATCH] Correct a comment error
Date: Fri, 2 Mar 2018 10:15:23 +0800	[thread overview]
Message-ID: <5A98B3BB.3040408@huawei.com> (raw)
In-Reply-To: <63ADC13FD55D6546B7DECE290D39E373F292C0FC@H3CMLB12-EX.srv.huawei-3com.com>

Hi Changwei,

On 2018/3/2 9:59, Changwei Ge wrote:
> Hi Jun,
> I think the comments for both two functions are OK.
> No need to rework them.
> As we know, ocfs2 lock name(lock id) are composed of several parts including 
> block number.
I looked though the comments involved 'lockid', and found 'lockid' is a
concept in dlm level, so ocfs2 level should not be aware of it.

thanks,
Jun
> 
> Thanks,
> Changw2ei
> 
> On 2018/3/1 20:58, piaojun wrote:
>> Hi Larry,
>>
>> There is the same mistake in ocfs2_reflink_inodes_lock(), could you help
>> fixing them all?
>>
>> thanks,
>> Jun
>>
>> On 2018/2/28 18:17, Larry Chen wrote:
>>> The function ocfs2_double_lock tries to lock the inode with lower
>>> blockid first, not lockid.
>>>
>>> Signed-off-by: Larry Chen <lchen@suse.com>
>>> ---
>>>   fs/ocfs2/namei.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
>>> index c801eddc4bf3..30d454de35a8 100644
>>> --- a/fs/ocfs2/namei.c
>>> +++ b/fs/ocfs2/namei.c
>>> @@ -1133,7 +1133,7 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
>>>   	if (*bh2)
>>>   		*bh2 = NULL;
>>>   
>>> -	/* we always want to lock the one with the lower lockid first.
>>> +	/* we always want to lock the one with the lower blockid first.
>>>   	 * and if they are nested, we lock ancestor first */
>>>   	if (oi1->ip_blkno != oi2->ip_blkno) {
>>>   		inode1_is_ancestor = ocfs2_check_if_ancestor(osb, oi2->ip_blkno,
>>>
>>
>> _______________________________________________
>> Ocfs2-devel mailing list
>> Ocfs2-devel at oss.oracle.com
>> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
>>
> .
> 

WARNING: multiple messages have this Message-ID (diff)
From: piaojun <piaojun@huawei.com>
To: Changwei Ge <ge.changwei@h3c.com>, Larry Chen <lchen@suse.com>,
	"mfasheh@versity.com" <mfasheh@versity.com>,
	"jlbec@evilplan.org" <jlbec@evilplan.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ocfs2-devel@oss.oracle.com" <ocfs2-devel@oss.oracle.com>
Subject: Re: [Ocfs2-devel] [PATCH] Correct a comment error
Date: Fri, 2 Mar 2018 10:15:23 +0800	[thread overview]
Message-ID: <5A98B3BB.3040408@huawei.com> (raw)
In-Reply-To: <63ADC13FD55D6546B7DECE290D39E373F292C0FC@H3CMLB12-EX.srv.huawei-3com.com>

Hi Changwei,

On 2018/3/2 9:59, Changwei Ge wrote:
> Hi Jun,
> I think the comments for both two functions are OK.
> No need to rework them.
> As we know, ocfs2 lock name(lock id) are composed of several parts including 
> block number.
I looked though the comments involved 'lockid', and found 'lockid' is a
concept in dlm level, so ocfs2 level should not be aware of it.

thanks,
Jun
> 
> Thanks,
> Changw2ei
> 
> On 2018/3/1 20:58, piaojun wrote:
>> Hi Larry,
>>
>> There is the same mistake in ocfs2_reflink_inodes_lock(), could you help
>> fixing them all?
>>
>> thanks,
>> Jun
>>
>> On 2018/2/28 18:17, Larry Chen wrote:
>>> The function ocfs2_double_lock tries to lock the inode with lower
>>> blockid first, not lockid.
>>>
>>> Signed-off-by: Larry Chen <lchen@suse.com>
>>> ---
>>>   fs/ocfs2/namei.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
>>> index c801eddc4bf3..30d454de35a8 100644
>>> --- a/fs/ocfs2/namei.c
>>> +++ b/fs/ocfs2/namei.c
>>> @@ -1133,7 +1133,7 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
>>>   	if (*bh2)
>>>   		*bh2 = NULL;
>>>   
>>> -	/* we always want to lock the one with the lower lockid first.
>>> +	/* we always want to lock the one with the lower blockid first.
>>>   	 * and if they are nested, we lock ancestor first */
>>>   	if (oi1->ip_blkno != oi2->ip_blkno) {
>>>   		inode1_is_ancestor = ocfs2_check_if_ancestor(osb, oi2->ip_blkno,
>>>
>>
>> _______________________________________________
>> Ocfs2-devel mailing list
>> Ocfs2-devel@oss.oracle.com
>> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
>>
> .
> 

  reply	other threads:[~2018-03-02  2:15 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28 10:17 [Ocfs2-devel] [PATCH] Correct a comment error Larry Chen
2018-03-01  0:36 ` Changwei Ge
2018-03-01  0:36   ` Changwei Ge
2018-03-01  6:59   ` [Ocfs2-devel] 答复: " Lei Chen
2018-03-02  2:00     ` Changwei Ge
2018-03-01 12:56 ` [Ocfs2-devel] " piaojun
2018-03-01 12:56   ` piaojun
2018-03-02  1:59   ` Changwei Ge
2018-03-02  1:59     ` Changwei Ge
2018-03-02  2:15     ` piaojun [this message]
2018-03-02  2:15       ` piaojun
2018-03-02  2:37       ` Larry Chen
2018-03-02  2:37         ` Larry Chen
2018-03-02  2:38       ` Changwei Ge
2018-03-02  2:38         ` Changwei Ge

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