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Message-ID: <1b7d51df-4995-4a4a-8ec4-f1ea4975e44c@collabora.com>
Date: Tue, 13 Feb 2024 06:44:16 +0200
From: Eugen Hristev <eugen.hristev@...labora.com>
To: Gabriel Krisman Bertazi <krisman@...e.de>
Cc: tytso@....edu, adilger.kernel@...ger.ca, jaegeuk@...nel.org,
chao@...nel.org, viro@...iv.linux.org.uk, brauner@...nel.org,
linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
jack@...e.cz, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
kernel@...labora.com, Gabriel Krisman Bertazi <krisman@...labora.com>,
Eric Biggers <ebiggers@...gle.com>
Subject: Re: [RESEND PATCH v9 1/3] libfs: Introduce case-insensitive string
comparison helper
On 2/9/24 16:40, Gabriel Krisman Bertazi wrote:
> Eugen Hristev <eugen.hristev@...labora.com> writes:
>
>> On 2/8/24 20:38, Gabriel Krisman Bertazi wrote:
>
>>> (untested)
>>
>> I implemented your suggestion, but any idea about testing ? I ran smoke on xfstests
>> and it appears to be fine, but maybe some specific test case might try the
>> different paths here ?
>
> Other than running the fstests quick group for each affected filesystems
> looking for regressions, the way I'd do it is create a few files and
> look them up with exact and inexact name matches. While doing that,
> observe through bpftrace which functions got called and what they
> returned.
>
> Here, since you are testing the uncached lookup, you want to make sure
> to drop the cached version prior to each lookup.
>
Hello Gabriel,
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 ?
Thanks,
Eugen
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