linux-kernel - [PATCH RESEND 30/62] doc: remove documentation for block device 4 0

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Message-ID: <20250913003842.41944-31-safinaskar@gmail.com>
Date: Sat, 13 Sep 2025 00:38:09 +0000
From: Askar Safin <safinaskar@...il.com>
To: linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
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Subject: [PATCH RESEND 30/62] doc: remove documentation for block device 4 0

It doesn't work. I tested this both in system booted
using initramfs and in system booted from real root
device directly

Signed-off-by: Askar Safin <safinaskar@...il.com>
---
 Documentation/admin-guide/devices.txt | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 27835389ca49..6ce0940233a8 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -138,12 +138,6 @@
 		number for BSD PTY devices.  As of Linux 2.1.115, this
 		is no longer supported.	 Use major numbers 2 and 3.
 
-   4 block	Aliases for dynamically allocated major devices to be used
-		when its not possible to create the real device nodes
-		because the root filesystem is mounted read-only.
-
-		   0 = /dev/root
-
    5 char	Alternate TTY devices
 		  0 = /dev/tty		Current TTY device
 		  1 = /dev/console	System console
-- 
2.47.2