linux-kernel - Re: [PATCH v15 2/9] erofs: decouple `struct erofs_anon_fs

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: <20260119072802.GA2562@lst.de>
Date: Mon, 19 Jan 2026 08:28:02 +0100
From: Christoph Hellwig <hch@....de>
To: Gao Xiang <hsiangkao@...ux.alibaba.com>
Cc: Hongbo Li <lihongbo22@...wei.com>, chao@...nel.org, brauner@...nel.org,
	djwong@...nel.org, amir73il@...il.com,
	linux-fsdevel@...r.kernel.org, linux-erofs@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v15 2/9] erofs: decouple `struct erofs_anon_fs_type`

On Mon, Jan 19, 2026 at 09:44:59AM +0800, Gao Xiang wrote:
> But I'm not sure if there is a case as `#if defined() || defined()`,
> it seems it cannot be simply replaced with `#ifdef`.

They can't.  If you have multiple statements compined using operators
you need to use #if and defined().