On Sun, Jun 03, 2018 at 04:22:28PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > On a directory, the DAX flag is merely a hint that files created in the > directory should have the DAX flag set at creation time. We don't care > if the underlying device supports DAX or not because directory metadata > are always cached in DRAM. We don't care if new files get the flag even > if the device doesn't support DAX because we always check for DAX > support before setting the VFS flag (S_DAX). > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Am I correct in assuming this allows directory hints to work on a filesystem with a DAX capable RT device, but a normal data device? Regardless, behaviour seems sensible to me. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
