[dm-devel] [fstests PATCH v3] generic: add test for DAX MAP_SYNC support

[Ross Zwisler]

On Thu, Nov 16, 2017 at 02:28:15PM -0700, Ross Zwisler wrote:
> On Thu, Oct 26, 2017 at 08:56:38AM +1100, Dave Chinner wrote:
> > Perhaps stat -c %b $SCRATCH_MNT/test ?
> 
> Maybe, but doesn't the output of 'stat -c %b' depend on the block size the
> filesystem is using?  I think to use stat I'd have to check both %b and %B,
> and account for different block sizes, or do some shell math.  I think it may
> be easier to just use du.

Ah, never mind, I think you meant 'stat -c %s' - that's cleaner, will switch.