tree 35aa054496b2fda74a53911faca169714f60efc6
parent b2c28a22eaefa9066848ce9012f6185b3056b80a
author Stefan Brüns <stefan.bruens@rwth-aachen.de> 1474326762 +0200
committer Tom Rini <trini@konsulko.com> 1474636736 -0400

ext4: Add helper functions for block group descriptor field access

The helper functions encapsulate access of the block group descriptors,
independent of group descriptor size. The helpers also deal with the
endianess of the fields, and with split fields like free_blocks/
free_blocks_high.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>