From 338affb548c243d2af25b1ca628e67819350de6b Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Sat, 15 Sep 2018 14:28:26 -0400
Subject: [PATCH] ext4: show test_dummy_encryption mount option in /proc/mounts
Git-commit: 338affb548c243d2af25b1ca628e67819350de6b
Patch-mainline: v4.19-rc5
References: bsc#1112741
When in effect, add "test_dummy_encryption" to _ext4_show_options() so
that it is shown in /proc/mounts and other relevant procfs files.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Acked-by: Jan Kara <jack@suse.cz>
---
fs/ext4/super.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e41da553b430..a430fb3e9720 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2145,6 +2145,8 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
SEQ_OPTS_PRINT("max_dir_size_kb=%u", sbi->s_max_dir_size_kb);
if (test_opt(sb, DATA_ERR_ABORT))
SEQ_OPTS_PUTS("data_err=abort");
+ if (DUMMY_ENCRYPTION_ENABLED(sbi))
+ SEQ_OPTS_PUTS("test_dummy_encryption");
ext4_show_quota_options(seq, sb);
return 0;
--
2.16.4