linux-ext4 - [xfstests PATCH 2/2] ext4/053: test changing test_dummy

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Date:   Sat, 30 Apr 2022 22:19:28 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     fstests@...r.kernel.org
Cc:     linux-fscrypt@...r.kernel.org, linux-ext4@...r.kernel.org,
        Lukas Czerner <lczerner@...hat.com>
Subject: [xfstests PATCH 2/2] ext4/053: test changing test_dummy_encryption on remount

From: Eric Biggers <ebiggers@...gle.com>

The test_dummy_encryption mount option isn't supposed to be settable or
changeable via a remount, so add test cases for this.

Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
 tests/ext4/053 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/ext4/053 b/tests/ext4/053
index 84f3eab9..3d530953 100755
--- a/tests/ext4/053
+++ b/tests/ext4/053
@@ -686,6 +686,9 @@ for fstype in ext2 ext3 ext4; do
 		mnt test_dummy_encryption=v2
 		not_mnt test_dummy_encryption=bad
 		not_mnt test_dummy_encryption=
+		# Can't be set or changed on remount.
+		mnt_then_not_remount defaults test_dummy_encryption
+		mnt_then_not_remount test_dummy_encryption=v1 test_dummy_encryption=v2
 		do_mkfs -O ^encrypt $SCRATCH_DEV ${SIZE}k
 	fi
 	not_mnt test_dummy_encryption
-- 
2.36.0