bcachefs: lift ordering restriction on 0 size extents

This lifts the restriction that 0 size extents must not overlap with
other extents, which means we can now sort extents and non extents the
same way, and will let us simplify a bunch of other stuff as well.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2016-07-21 19:05:06 -08:00 • committed by Kent Overstreet
commit 271a3d3a4b
10 changed files with 475 additions and 547 deletions