[PATCH v3 0/5] Minor improvements and cleanups to ext4 mballoc

[Kemeng Shi <shikemeng@huaweicloud.com>]

v2->v3:
-Coleect RVB from Jan
-Remove more unneeded "cr =" in comment

v1->v2:
-Collect RVB from Jan and Ojaswin
-Rewrite changelog of "ext4: call ext4_mb_mark_free_simple to free
continuous bits in found chunk"
-Remove "cr =" in comment of criteria name as criteria name has CR_
prfefix now.
-Only open codeing repeated checks in next_linear_group

This series contains some minor improvements and cleanups to ext4
mballoc. No failure is found in "kvm-xfstests smoke" test and unit
test. More details can be found in respective patches. Thanks!

Kemeng Shi (5):
  ext4: keep "prefetch_grp" and "nr" consistent
  ext4: add test_mb_mark_used_cost to estimate cost of mb_mark_used
  ext4: call ext4_mb_mark_free_simple to free continuous bits in found
    chunk
  ext4: use correct criteria name instead stale integer number in
    comment
  ext4: open coding repeated check in next_linear_group

 fs/ext4/ext4.h         |  9 +++--
 fs/ext4/mballoc-test.c | 52 +++++++++++++++++++++++++
 fs/ext4/mballoc.c      | 86 ++++++++++++++++++++++--------------------
 fs/ext4/mballoc.h      |  4 +-
 4 files changed, 106 insertions(+), 45 deletions(-)

-- 
2.30.0