On Fri, Jan 05, 2018 at 12:51:08PM -0700, Liu Bo wrote:
> %block_len could be checked on deciding if two em are mergeable.
>
> merge_extent_mapping() has only added the front pad if the front part
> of em gets truncated, but it's possible that the end part gets
> truncated.
>
> For both
%block_len could be checked on deciding if two em are mergeable.
merge_extent_mapping() has only added the front pad if the front part
of em gets truncated, but it's possible that the end part gets
truncated.
For both compressed extent and inline extent, em->block_len is not
adjusted
