ext4: remove duplicate remount check for JOURNAL_CHECKSUM change

rejection of, changing journal_checksum during remount.  One suffices.

While we're at it, remove old comment about the "check" option
which has been deprecated for some time now.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

1 files changed, 0 insertions, 11 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 60db5a11fbea..2ecce8644cf8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4850,9 +4850,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
         if (sbi->s_journal && sbi->s_journal->j_task->io_context)
                 journal_ioprio = sbi->s_journal->j_task->io_context->ioprio;
 
-        /*
-         * Allow the "check" option to be passed as a remount option.
-         */
         if (!parse_options(data, sb, NULL, &journal_ioprio, 1)) {
                 err = -EINVAL;
                 goto restore_opts;
@@ -4866,14 +4863,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
                 goto restore_opts;
         }
 
-        if ((old_opts.s_mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) ^
-            test_opt(sb, JOURNAL_CHECKSUM)) {
-                ext4_msg(sb, KERN_ERR, "changing journal_checksum "
-                         "during remount not supported");
-                err = -EINVAL;
-                goto restore_opts;
-        }
-
         if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
                 if (test_opt2(sb, EXPLICIT_DELALLOC)) {
                         ext4_msg(sb, KERN_ERR, "can't mount with "