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SubjectRe: [f2fs-dev] [PATCH v4 3/3] f2fs: Support case-insensitive file name lookups
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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>

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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