On Fri, Apr 26, 2019 at 06:24:49PM -0700, Darrick J. Wong wrote: > On Sat, Apr 27, 2019 at 06:16:32AM +0800, Ming Lei wrote: > > On Fri, Apr 26, 2019 at 07:57:11AM -0700, Christoph Hellwig wrote: > > > On Fri, Apr 26, 2019 at 10:39:37AM +0800, Ming Lei wrote: > > > > When T10 verification fails, the error code of BLK_STS_PROTECTION > > > > may not be propagated to user space, see mpage_end_io(). > > > > > > Well, we should probably fix that instead of papering over it.. > > > > That might be a big change, and not sure when they can be fixed > > completely. > > > > This patch at least can expose the issue to user first. > > I don't see a patch anywhere ... ? It is one blktest patch, please see the following link: https://lore.kernel.org/linux-block/20190427012449.GC178347@magnolia/T/#t Thanks, Ming