On Tue, Apr 17, 2018 at 10:50:07AM -0700, Darrick J. Wong wrote: > syslinux does FIEMAP w/ FIBMAP fallback. > > lilo & elilo still use FIBMAP only, but lilo hasn't seen a release since > 2015 and elilo 2013. I prefer not to add FIBMAP support in XFS-DAX for > the singular case of booting off pmem via lilo. It shouldn't be that hard to write a userspace emulation layer which exports a FIBMAP-like functional interface but gets the information from the kernel using the FIMAP ioctl.... - Ted
