[PATCH] ext4: Reject mount an ext2 filesystem with journal options

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There is no reason to allow ext2 filesystems be mounted with journal mount
options. So, this patch adds them to the MOPT_NO_EXT2 mount options list.

Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
---
 fs/ext4/super.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f06d058..e4b1141 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1366,9 +1366,9 @@ static const struct mount_opts {
 	{Opt_stripe, 0, MOPT_GTE0},
 	{Opt_resuid, 0, MOPT_GTE0},
 	{Opt_resgid, 0, MOPT_GTE0},
-	{Opt_journal_dev, 0, MOPT_GTE0},
-	{Opt_journal_path, 0, MOPT_STRING},
-	{Opt_journal_ioprio, 0, MOPT_GTE0},
+	{Opt_journal_dev, 0, MOPT_NO_EXT2 | MOPT_GTE0},
+	{Opt_journal_path, 0, MOPT_NO_EXT2 | MOPT_STRING},
+	{Opt_journal_ioprio, 0, MOPT_NO_EXT2 | MOPT_GTE0},
 	{Opt_data_journal, EXT4_MOUNT_JOURNAL_DATA, MOPT_NO_EXT2 | MOPT_DATAJ},
 	{Opt_data_ordered, EXT4_MOUNT_ORDERED_DATA, MOPT_NO_EXT2 | MOPT_DATAJ},
 	{Opt_data_writeback, EXT4_MOUNT_WRITEBACK_DATA,
-- 
2.1.0

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