Re: [RESEND PATCH v9 1/3] libfs: Introduce case-insensitive string comparison helper

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Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx> writes:

> On 2/9/24 16:40, Gabriel Krisman Bertazi wrote:
>> Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx> writes:
> With the changes you suggested, I get these errors now :
>
> [  107.409410] EXT4-fs error (device sda1): ext4_lookup:1816: inode #521217: comm
> ls: 'CUC' linked to parent dir
> ls: cannot access '/media/CI_dir/CUC': Structure needs cleaning
> total 8
> drwxr-xr-x 2 root root 4096 Feb 12 11:51 .
> drwxr-xr-x 4 root root 4096 Feb 12 11:47 ..
> -????????? ? ?    ?       ?            ? CUC
>
> Do you have any idea about what is wrong ?

Hm, there's a bug somewhere. The lookup got broken and ls got an error.
Did you debug it a bit?  can you share the code and a reproducer?

>From a quick look at the example I suggested, utf8_strncasecmp* return 0
on match, but ext4_match should return true when matched. So remember to
negate the output:

...
res = !utf8_strncasecmp(um, name, &dirent);
...

-- 
Gabriel Krisman Bertazi




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