On Thu, Mar 26, 2020 at 7:53 AM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > On Tue, Mar 17, 2020 at 05:51:06PM +0100, Andrzej Pietrasiewicz wrote: > > From: Evan Green <evgreen@xxxxxxxxxxxx> > > > > Properly plumb out EOPNOTSUPP from loop driver operations, which may > > get returned when for instance a discard operation is attempted but not > > supported by the underlying block device. Before this change, everything > > was reported in the log as an I/O error, which is scary and not > > helpful in debugging. > > This really should be using errno_to_blk_status. I had that here in v7: https://lore.kernel.org/lkml/20191114235008.185111-1-evgreen@xxxxxxxxxxxx/
