linux-kernel - [PATCH] init: INITRAMFS_PRESERVE_MTIME should depend on BLK_DEV

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Message-ID: <9a65128514408dc7de64cf4fea75c1a8342263ea.1757920006.git.geert+renesas@glider.be>
Date: Mon, 15 Sep 2025 09:11:05 +0200
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Andrew Morton <akpm@...ux-foundation.org>,
	David Disseldorp <ddiss@...e.de>,
	Martin Wilck <mwilck@...e.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>
Cc: Askar Safin <safinaskar@...il.com>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] init: INITRAMFS_PRESERVE_MTIME should depend on BLK_DEV_INITRD

INITRAMFS_PRESERVE_MTIME is only used in init/initramfs.c and
init/initramfs_test.c.  Hence add a dependency on BLK_DEV_INITRD, to
prevent asking the user about this feature when configuring a kernel
without initramfs support.

Fixes: 1274aea127b2e8c9 ("initramfs: add INITRAMFS_PRESERVE_MTIME Kconfig option")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 init/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/init/Kconfig b/init/Kconfig
index e3eb63eadc8757a1..c0c61206499e6bd5 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1501,6 +1501,7 @@ config BOOT_CONFIG_EMBED_FILE
 
 config INITRAMFS_PRESERVE_MTIME
 	bool "Preserve cpio archive mtimes in initramfs"
+	depends on BLK_DEV_INITRD
 	default y
 	help
 	  Each entry in an initramfs cpio archive carries an mtime value. When
-- 
2.43.0