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
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