[PATCH v3 0/2] ocfs2: split transactions in dio completion to avoid credit exhaustion

[Heming Zhao]

For easier merging, this patch is based on Joseph's patch [1].

v2->v3:
Following the discussion, use 'batch' and 'handle' to control
restarting the jbd2 transaction.

v1->v2:
following the review comments, restore the i_size update code in
ocfs2_dio_end_io_write().

the runtime of the test script [2].
real    1m49.650s
user    0m0.337s
sys     0m22.780s

[1]:
https://lore.kernel.org/ocfs2-devel/46yilbaq5z5x6gdfdpoa6lprf6sf3gbxriuku2odje4kx4bovf@jd735cphfutz/T/#t 
[2]:
https://lore.kernel.org/ocfs2-devel/75f89a17-213b-42a0-a30e-d52fb2d077a6@xxxxxxxxxxxxxxxxx/T/#mbe2b5f52ee249178e1ad4c76d964de2dc818eb32

Heming Zhao (2):
  ocfs2: split transactions in dio completion to avoid credit exhaustion
  Revert "ocfs2: fix DIO failure due to insufficient transaction
    credits"

 fs/ocfs2/aops.c        | 75 ++++++++++++++++++++++++------------------
 fs/ocfs2/journal.c     | 17 ----------
 fs/ocfs2/journal.h     |  2 --
 fs/ocfs2/ocfs2_trace.h |  2 --
 4 files changed, 43 insertions(+), 53 deletions(-)

-- 
2.43.0