On Mon, Jul 13, 2020 at 08:39:20AM -0700, Darrick J. Wong wrote: > -ENOTBLK is already being used as a "magic" return code that means > "retry this direct write as a buffered write". Shouldn't we use that > instead? > > -EREMCHG was a private hack we put in XFS for the one case where a > direct write had to be done through the page cache (non block-aligned > COW), but maybe it's time we put that to rest since the rest of the > world apparently thinks the magic fallback code is -ENOTBLK. Sure, I can switch the error code.
