linux-ext4 - Re: [PATCH v3 02/16] fat: Implement 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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <aWZjVkb9fSigpW2L@infradead.org>
Date: Tue, 13 Jan 2026 07:23:02 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Chuck Lever <cel@...nel.org>
Cc: vira@....codeaurora.org, Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>, 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,
	chao@...nel.org, hansg@...nel.org, senozhatsky@...omium.org,
	Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [PATCH v3 02/16] fat: Implement fileattr_get for case sensitivity

> +extern int fat_fileattr_get(struct dentry *dentry, struct file_kattr *fa);

No need for "extern" for function prototypes.

> +int fat_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
> +{
> +	struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
> +
> +	/*
> +	 * FAT filesystems do not preserve case: stored names are

Is that actually true?  It's been a while since I deal with them,
but IIRC at least vfat is case preserving.