From: Christoph Hellwig <hch@lst.de>
To: Gao Xiang <hsiangkao@linux.alibaba.com>
Cc: Hongbo Li <lihongbo22@huawei.com>,
chao@kernel.org, brauner@kernel.org, djwong@kernel.org,
amir73il@gmail.com, linux-fsdevel@vger.kernel.org,
linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v15 2/9] erofs: decouple `struct erofs_anon_fs_type`
Date: Mon, 19 Jan 2026 08:28:02 +0100 [thread overview]
Message-ID: <20260119072802.GA2562@lst.de> (raw)
In-Reply-To: <e4a45ea4-a0e9-4b8e-ab8b-b4dbb6a2ba21@linux.alibaba.com>
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().
next prev parent reply other threads:[~2026-01-19 7:28 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-16 9:55 [PATCH v15 0/9] erofs: Introduce page cache sharing feature Hongbo Li
2026-01-16 9:55 ` [PATCH v15 1/9] fs: Export alloc_empty_backing_file Hongbo Li
2026-01-16 9:55 ` [PATCH v15 2/9] erofs: decouple `struct erofs_anon_fs_type` Hongbo Li
2026-01-16 15:38 ` Christoph Hellwig
2026-01-19 1:34 ` Hongbo Li
2026-01-19 1:44 ` Gao Xiang
2026-01-19 2:23 ` Hongbo Li
2026-01-19 7:28 ` Christoph Hellwig [this message]
2026-01-16 9:55 ` [PATCH v15 3/9] erofs: support user-defined fingerprint name Hongbo Li
2026-01-16 9:55 ` [PATCH v15 4/9] erofs: support domain-specific page cache share Hongbo Li
2026-01-16 9:55 ` [PATCH v15 5/9] erofs: introduce the page cache share feature Hongbo Li
2026-01-16 15:46 ` Christoph Hellwig
2026-01-16 16:21 ` Gao Xiang
2026-01-19 7:29 ` Christoph Hellwig
2026-01-19 7:53 ` Gao Xiang
2026-01-19 8:12 ` Gao Xiang
2026-01-19 8:32 ` Christoph Hellwig
2026-01-19 8:52 ` Gao Xiang
2026-01-19 9:22 ` Christoph Hellwig
2026-01-19 9:38 ` Gao Xiang
2026-01-19 9:53 ` Gao Xiang
2026-01-20 3:07 ` Gao Xiang
2026-01-20 6:52 ` Christoph Hellwig
2026-01-20 7:19 ` Gao Xiang
2026-01-22 8:33 ` Christoph Hellwig
2026-01-22 8:40 ` Gao Xiang
2026-01-23 5:39 ` Christoph Hellwig
2026-01-23 5:58 ` Gao Xiang
2026-01-20 13:40 ` Christian Brauner
2026-01-20 14:11 ` Gao Xiang
2026-01-20 12:29 ` Hongbo Li
2026-01-22 14:48 ` Hongbo Li
2026-01-23 6:19 ` Christoph Hellwig
2026-01-20 14:19 ` Gao Xiang
2026-01-20 14:33 ` Gao Xiang
2026-01-21 1:29 ` Hongbo Li
2026-01-16 9:55 ` [PATCH v15 6/9] erofs: pass inode to trace_erofs_read_folio Hongbo Li
2026-01-16 9:55 ` [PATCH v15 7/9] erofs: support unencoded inodes for page cache share Hongbo Li
2026-01-16 9:55 ` [PATCH v15 8/9] erofs: support compressed " Hongbo Li
2026-01-16 9:55 ` [PATCH v15 9/9] erofs: implement .fadvise " Hongbo Li
2026-01-16 15:46 ` Christoph Hellwig
2026-01-19 1:30 ` Hongbo Li
2026-01-16 15:36 ` [PATCH v15 0/9] erofs: Introduce page cache sharing feature Christoph Hellwig
2026-01-16 16:30 ` Gao Xiang
2026-01-16 16:43 ` Gao Xiang
2026-01-19 1:23 ` Hongbo Li
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