On 06/22/2016 06:27 PM, Christoph Hellwig wrote:
> So far DAX writes inherited the locking from direct I/O writes, but the direct
> I/O model of using shared locks for writes is actually wrong for DAX. For
> direct I/O we're out of any standards and don't have to provide the Posix
> required exclu
So far DAX writes inherited the locking from direct I/O writes, but the direct
I/O model of using shared locks for writes is actually wrong for DAX. For
direct I/O we're out of any standards and don't have to provide the Posix
required exclusion between writers, but for DAX which gets transparentl