On Tue, Jul 21, 2020 at 04:14:37PM +0100, Matthew Wilcox wrote: > On Tue, Jul 21, 2020 at 05:06:15PM +0200, Christoph Hellwig wrote: > > On Tue, Jul 21, 2020 at 04:04:32PM +0100, Matthew Wilcox wrote: > > > I thought you were going to respin this with EREMCHG changed to ENOTBLK? > > > > Oh, true. I'll do that ASAP. > > Michael, could we add this to manpages? Umm, no. -ENOTBLK is internal - the file systems will retry using buffered I/O and the error shall never escape to userspace (or even the VFS for that matter).