[PATCH v2 0/9] A fix and some cleanups to jbd2

[Kemeng Shi]

v1->v2:
-Collect RVB from Yi and Jan
-remove rename "flags" to "escape" in patch 2/9
-goto new copy_done tag in patch 4/9
-add more comment in patch 5/9

Patch 1 fixes memleak in jbd2_journal_write_metadata_buffer.
Patch 2-6 contain some cleanups to jbd2_journal_write_metadata_buffer().
Patch 7-9 contain some cleanups to kjournald2()
All tests in "kvm-xfstest smoke" survive. Please let me konw if more tests
should be ran. Thanks.

Kemeng Shi (9):
  jbd2: avoid memleak in jbd2_journal_write_metadata_buffer
  jbd2: remove unused return info from
    jbd2_journal_write_metadata_buffer
  jbd2: remove unnedded "need_copy_out" in
    jbd2_journal_write_metadata_buffer
  jbd2: jump to new copy_done tag when b_frozen_data is created
    concurrently
  jbd2: remove unneeded kmap to do escape in
    jbd2_journal_write_metadata_buffer
  jbd2: use bh_in instead of jh2bh(jh_in) to simplify code
  jbd2: remove dead equality check of j_commit_[sequence/request] in
    kjournald2
  jbd2: remove dead check of JBD2_UNMOUNT in kjournald2
  jbd2: remove unnecessary "should_sleep" in kjournald2

 fs/jbd2/commit.c  | 10 ++++-----
 fs/jbd2/journal.c | 54 ++++++++++++++++++-----------------------------
 2 files changed, 25 insertions(+), 39 deletions(-)

-- 
2.30.0