tree 397540e78a2d5b0409cefbf4d6bf5e60374ade2a
parent 60128f06617a01ba0435d59df066a94d4a34e700
author Gao Xiang <gaoxiang25@huawei.com> 1560271850 +0800
committer Gao Xiang <hsiangkao@aol.com> 1564802861 +0800

erofs-utils: introduce compacted compression indexes

This patch adds compacted 2/4B compression indexes
support matched with in-kernel implementation. Several
continuous indexes will be packed into a compacted form.

Therefore, the total size of compression indexes
is three quarters off at most.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>