On Wed, Oct 18, 2017 at 01:56:26PM -0700, Matthew Garrett wrote:
> commit e462ec50cb5fa ("VFS: Differentiate mount flags (MS_*) from
> internal superblock flags") reworked the flags that are passed through
> do mount, and in the process dropped MS_I_VERSION. Confusingly, things
> continue working if the i_version mount option is used because that's
> directly passed to ext4 which interprets it, while iversion is turned
> into MS_I_VERSION and dropped on the floor. This breaks IMA and EVM and
> my heart. Pass SB_I_VERSION through, and update the consumers to use it
> instead of MS_I_VERSION.
Remaining bits applied on top of "vfs: fix mounting a filesystem with i_version".
And AFAICS Cc:stable is wrong - e462ec50cb5fa is not in 4.13...