diff options
| -rw-r--r-- | scripts/lib/wic/filemap.py | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/scripts/lib/wic/filemap.py b/scripts/lib/wic/filemap.py index f8c6e09d01..4d9da28172 100644 --- a/scripts/lib/wic/filemap.py +++ b/scripts/lib/wic/filemap.py @@ -469,6 +469,29 @@ class FilemapFiemap(_FilemapBase): % (first_prev, last_prev)) yield (first_prev, last_prev) +class FilemapNobmap(_FilemapBase): + """ + This class is used when both the 'SEEK_DATA/HOLE' and FIEMAP are not + supported by the filesystem or kernel. + """ + + def __init__(self, image, log=None): + """Refer the '_FilemapBase' class for the documentation.""" + + # Call the base class constructor first + _FilemapBase.__init__(self, image, log) + self._log.debug("FilemapNobmap: initializing") + + def block_is_mapped(self, block): + """Refer the '_FilemapBase' class for the documentation.""" + return True + + def get_mapped_ranges(self, start, count): + """Refer the '_FilemapBase' class for the documentation.""" + self._log.debug("FilemapNobmap: get_mapped_ranges(%d, %d(%d))" + % (start, count, start + count - 1)) + yield (start, start + count -1) + def filemap(image, log=None): """ Create and return an instance of a Filemap class - 'FilemapFiemap' or @@ -482,7 +505,10 @@ def filemap(image, log=None): try: return FilemapFiemap(image, log) except ErrorNotSupp: - return FilemapSeek(image, log) + try: + return FilemapSeek(image, log) + except ErrorNotSupp: + return FilemapNobmap(image, log) def sparse_copy(src_fname, dst_fname, skip=0, seek=0, length=0, api=None): |