On Mon, Jun 04, 2018 at 09:41:36AM +1000, Dave Chinner wrote: > 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? Correct. --D > 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 -- 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
