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From: Chao Yu <chao@kernel.org>
To: Chao Yu <yuchao0@huawei.com>, Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Daniel Rosenberg <drosen@google.com>,
	linux-doc@vger.kernel.org, linux-api@vger.kernel.org,
	Jonathan Corbet <corbet@lwn.net>,
	linux-kernel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	linux-fsdevel@vger.kernel.org, kernel-team@android.com
Subject: Re: [f2fs-dev] [PATCH v4 3/3] f2fs: Support case-insensitive file name lookups
Date: Mon, 29 Jul 2019 22:57:00 +0800	[thread overview]
Message-ID: <fe7066e9-f299-c675-cec3-919cdabe18ce@kernel.org> (raw)
In-Reply-To: <fa07a09d-92c9-4e0b-7c2b-e87771273dce@huawei.com>

On 2019-7-29 15:22, Chao Yu wrote:
> On 2019/7/29 14:27, Jaegeuk Kim wrote:
>> On 07/28, Chao Yu wrote:
>>> On 2019-7-24 7:05, Daniel Rosenberg via Linux-f2fs-devel wrote:
>>>>  /* Flags that are appropriate for regular files (all but dir-specific ones). */
>>>>  #define F2FS_REG_FLMASK		(~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL))
>>>
>>> We missed to add F2FS_CASEFOLD_FL here to exclude it in F2FS_REG_FLMASK.
>>
>> Applied.
>>
>>>
>>>> @@ -1660,7 +1660,16 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
>>>>  		return -EPERM;
>>>>  
>>>>  	oldflags = fi->i_flags;
>>>> +	if ((iflags ^ oldflags) & F2FS_CASEFOLD_FL) {
>>>> +		if (!f2fs_sb_has_casefold(F2FS_I_SB(inode)))
>>>> +			return -EOPNOTSUPP;
>>>> +
>>>> +		if (!S_ISDIR(inode->i_mode))
>>>> +			return -ENOTDIR;
>>>>  
>>>> +		if (!f2fs_empty_dir(inode))
>>>> +			return -ENOTEMPTY;
>>>> +	}
>>
>> Modified like this:
>> @@ -1665,6 +1665,13 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
>>         if (IS_NOQUOTA(inode))
>>                 return -EPERM;
>>
>> +       if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) {
>> +               if (!f2fs_sb_has_casefold(F2FS_I_SB(inode)))
>> +                       return -EOPNOTSUPP;
>> +               if (!f2fs_empty_dir(inode))
>> +                       return -ENOTEMPTY;
>> +       }
>> +
>>
>> Note that, directory is checked by above change.
>>
>> I've uploaded in f2fs.git, so could you check it out and test a bit?
> 
> I've checked it out, it looks good to me now, and later I will test this new
> version.
> 
> Reviewed-by: Chao Yu <yuchao0@huawei.com>

It can pass generic/556 as well.

Thanks,

> 
> Thanks,
> 
>>
>> Thanks,
>>
>>>
>>> I applied the patches based on last Jaegeuk's dev branch, it seems we needs to
>>> adjust above code a bit. Otherwise it looks good to me.
>>>
>>> BTW, it looks the patchset works fine with generic/556 testcase.
>>>
>>> Thanks,
>> .
>>


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  reply	other threads:[~2019-07-29 14:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-23 23:05 [f2fs-dev] [PATCH v4 0/3] Casefolding in F2FS Daniel Rosenberg via Linux-f2fs-devel
2019-07-23 23:05 ` [f2fs-dev] [PATCH v4 1/3] fs: Reserve flag for casefolding Daniel Rosenberg via Linux-f2fs-devel
2019-07-28  0:36   ` Chao Yu
2019-07-23 23:05 ` [f2fs-dev] [PATCH v4 2/3] f2fs: include charset encoding information in the superblock Daniel Rosenberg via Linux-f2fs-devel
2019-07-28  0:45   ` Chao Yu
2019-07-23 23:05 ` [f2fs-dev] [PATCH v4 3/3] f2fs: Support case-insensitive file name lookups Daniel Rosenberg via Linux-f2fs-devel
2019-07-28  0:55   ` Chao Yu
2019-07-29  6:27     ` Jaegeuk Kim
2019-07-29  7:22       ` Chao Yu
2019-07-29 14:57         ` Chao Yu [this message]
2019-07-31 17:57   ` Nathan Chancellor
2019-08-01  1:11     ` Chao Yu
2019-08-01  4:05       ` Jaegeuk Kim
2019-08-21 13:15   ` Chao Yu

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