On Thu, Oct 24, 2019 at 10:44:52PM -0700, Darrick J. Wong wrote:
> > case XFS_IOC_FREESP:
> > - case XFS_IOC_UNRESVSP:
> > case XFS_IOC_ALLOCSP64:
> > - case XFS_IOC_FREESP64:
> > - case XFS_IOC_UNRESVSP64:
> > - case XFS_IOC_ZERO_RANGE: {
> > + case XFS_IOC_FREESP64: {
>
> Ok, so this hoists everything to the vfs except for ALLOCSP and FREESP,
> which seems to be ... "set new size; allocate between old and new EOF if
> appropriate"?
>
> I'm asking because I was never really clear on what those things are
> supposed to do. :)
Yes. ALLOCSP/FREESP have so weird semantics that we never added the
equivalent functionality to fallocate.
