linux-kernel - [PATCH] tmpfs: deny and force are not huge mount options

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Message-ID: <alpine.LSU.2.11.2002171959001.1412@eggly.anvils>
Date:   Mon, 17 Feb 2020 20:04:19 -0800 (PST)
From:   Hugh Dickins <hughd@...gle.com>
To:     Al Viro <viro@...iv.linux.org.uk>
cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] tmpfs: deny and force are not huge mount options

5.6-rc1 commit 2710c957a8ef ("fs_parse: get rid of ->enums") regressed
the huge tmpfs mount options to an earlier state: "deny" and "force"
are not valid there, and can crash the kernel.  Delete those lines.

Signed-off-by: Hugh Dickins <hughd@...gle.com>
---

 mm/shmem.c |    2 --
 1 file changed, 2 deletions(-)

--- 5.6-rc2/mm/shmem.c	2020-02-09 17:36:41.798976778 -0800
+++ linux/mm/shmem.c	2020-02-17 19:27:22.704093986 -0800
@@ -3386,8 +3386,6 @@ static const struct constant_table shmem
 	{"always",	SHMEM_HUGE_ALWAYS },
 	{"within_size",	SHMEM_HUGE_WITHIN_SIZE },
 	{"advise",	SHMEM_HUGE_ADVISE },
-	{"deny",	SHMEM_HUGE_DENY },
-	{"force",	SHMEM_HUGE_FORCE },
 	{}
 };