On Mon, 10 Jun 2024, Benjamin Marzinski wrote:
> On Thu, May 16, 2024 at 08:41:27PM -0400, Benjamin Marzinski wrote:
>
> ping.
I staged these patches for 6.11.
Mikulas
> > dm-mpath shouldn't be calling dm_get_device() in multipath_message().
> > If you run:
> >
> > # dmsetup message <mpath_dev> 0 "fail_path <device_not_in_multipath>"
> >
> > the dm_get_device() call in multipath_message() will add that incorrect
> > device to the devices list, fail to find a matching pgpath, and then
> > remove it. multipath shouldn't be messing with the devices table
> > outside of its constructor and destructor.
> >
> > To fix it, this patchset factors out a helper function from
> > dm_get_device() to turn the device path string into a dev_t.
> > multipath_message() calls that helper function and uses the dev_t to
> > find the correct pgpath instead.
> >
> > Benjamin Marzinski (2):
> > dm: factor out helper function from dm_get_device
> > dm mpath: don't call dm_get_device in multipath_message
> >
> > drivers/md/dm-mpath.c | 11 ++++-------
> > drivers/md/dm-table.c | 33 ++++++++++++++++++++++++---------
> > include/linux/device-mapper.h | 5 +++++
> > 3 files changed, 33 insertions(+), 16 deletions(-)
> >
> > --
> > 2.45.0
> >
>
