linux-ext4 - Re: [PATCH v3 11/16] f2fs: Add case sensitivity reporting to fileattr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <dbc45ceb-a0d3-4046-8816-daeffad9cb38@kernel.org>
Date: Wed, 14 Jan 2026 08:50:23 +0800
From: Chao Yu <chao@...nel.org>
To: Chuck Lever <cel@...nel.org>, Christian Brauner <brauner@...nel.org>,
 Jan Kara <jack@...e.cz>
Cc: chao@...nel.org, linux-fsdevel@...r.kernel.org,
 linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org,
 linux-cifs@...r.kernel.org, linux-nfs@...r.kernel.org,
 linux-f2fs-devel@...ts.sourceforge.net, hirofumi@...l.parknet.co.jp,
 linkinjeon@...nel.org, sj1557.seo@...sung.com, yuezhang.mo@...y.com,
 almaz.alexandrovich@...agon-software.com, slava@...eyko.com,
 glaubitz@...sik.fu-berlin.de, frank.li@...o.com, tytso@....edu,
 adilger.kernel@...ger.ca, cem@...nel.org, sfrench@...ba.org,
 pc@...guebit.org, ronniesahlberg@...il.com, sprasad@...rosoft.com,
 trondmy@...nel.org, anna@...nel.org, jaegeuk@...nel.org, hansg@...nel.org,
 senozhatsky@...omium.org, Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [PATCH v3 11/16] f2fs: Add case sensitivity reporting to
 fileattr_get

On 1/13/2026 1:46 AM, Chuck Lever wrote:
> From: Chuck Lever <chuck.lever@...cle.com>
> 
> NFS and other remote filesystem protocols need to determine
> whether a local filesystem performs case-insensitive lookups
> so they can provide correct semantics to clients. Without
> this information, f2fs exports cannot properly advertise
> their filename case behavior.
> 
> Report f2fs case sensitivity behavior via the file_kattr
> boolean fields. Like ext4, f2fs supports per-directory case
> folding via the casefold flag (IS_CASEFOLDED). Files are
> always case-preserving.
> 
> Signed-off-by: Chuck Lever <chuck.lever@...cle.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,