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In order to make wic images sparse set of APIs has been copied
from bmap-tools project.
filemap.py module is taken from bmap-tools project:
https://github.com/01org/bmap-tools/blob/master/bmaptools/Filemap.py
It implements two ways of get information about file block: FIEMAP
ioctl and the 'SEEK_HOLE / SEEK_DATA' features of the file seek
syscall.
Note that this module will be removed as soon as bmaptool utility
supports copying sparse source file into destination file (this is
already agreed with the maintainer of bmap-tools project).
[YOCTO #9099]
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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