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ext4: reject the 'commit' option on ext2 filesystems

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[ Upstream commit cb8435dc8ba33bcafa41cf2aa253794320a3b8df ]

The 'commit' option is only applicable for ext3 and ext4 filesystems,
and has never been accepted by the ext2 filesystem driver, so the ext4
driver shouldn't allow it on ext2 filesystems.

This fixes a failure in xfstest ext4/053.

Fixes: 8dc0aa8cf0f7 ("ext4: check incompatible mount options while mounting ext2/3")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Link: https://lore.kernel.org/r/20220510183232.172615-1-ebiggers@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric Biggers 2022-05-10 11:32:32 -07:00 committed by Greg Kroah-Hartman
parent 63b7c08995
commit d54ac6ca48
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/super.c
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@ -1960,6 +1960,7 @@ static const struct mount_opts {
MOPT_EXT4_ONLY | MOPT_CLEAR},
{Opt_warn_on_error, EXT4_MOUNT_WARN_ON_ERROR, MOPT_SET},
{Opt_nowarn_on_error, EXT4_MOUNT_WARN_ON_ERROR, MOPT_CLEAR},
{Opt_commit, 0, MOPT_NO_EXT2},
{Opt_nojournal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
MOPT_EXT4_ONLY | MOPT_CLEAR},
{Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,