Now if the file systtem does not support ioctl FIEMAP,
the following warning is displayed once:
[2021-10-31 19:54:13.102] fclones: warn: File system fuseblk on
device /dev/sda doesn't support FIEMAP ioctl API. This is generally
harmless, but random access performance might be decreased because
fclones can't determine physical on-disk location of file data needed
for reading files in the optimal order.
Now if the file systtem does not support ioctl FIEMAP, the following warning is displayed once:
[2021-10-31 19:54:13.102] fclones: warn: File system fuseblk on device /dev/sda doesn't support FIEMAP ioctl API. This is generally harmless, but random access performance might be decreased because fclones can't determine physical on-disk location of file data needed for reading files in the optimal order.
Fixes #83