linux-kernel - [PATCH v2] f2fs: add MODULE_SOFTDEP to ensure crc32 is included in the initramfs

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Date:   Tue, 18 May 2021 09:57:54 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>, marcosfrm <marcosfrm@...il.com>
Subject: [PATCH v2] f2fs: add MODULE_SOFTDEP to ensure crc32 is included in the initramfs

As marcosfrm reported in bugzilla:

https://bugzilla.kernel.org/show_bug.cgi?id=213089

Initramfs generators rely on "pre" softdeps (and "depends") to include
additional required modules.

F2FS does not declare "pre: crc32" softdep. Then every generator (dracut,
mkinitcpio...) has to maintain a hardcoded list for this purpose.

Hence let's use MODULE_SOFTDEP("pre: crc32") in f2fs code.

Fixes: 43b6573bac95 ("f2fs: use cryptoapi crc32 functions")
Reported-by: marcosfrm <marcosfrm@...il.com>
Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
v2:
- fix to use "crc32" keyword
 fs/f2fs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 3f8a7a6c250c..34071782455b 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4431,4 +4431,5 @@ module_exit(exit_f2fs_fs)
 MODULE_AUTHOR("Samsung Electronics's Praesto Team");
 MODULE_DESCRIPTION("Flash Friendly File System");
 MODULE_LICENSE("GPL");
+MODULE_SOFTDEP("pre: crc32");
 
-- 
2.29.2