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For easier merging, this patch is based on Joseph's patch [1]. v7->v8: Per Joseph's review, add a check for 'handle' before calling ocfs2_start_trans(). v6->v7: fix logic error regarding "handle == NULL". v5->v6: add a check for handle before updating i_size. v4->v5: change update inode size and remove orphan logic. add above change in commit log. v3->v4: Remove [patch 2/2] as the revert operation is incorrect. 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 1m49.387s user 0m0.325s sys 0m23.006s [1]: https://lore.kernel.org/ocfs2-devel/46yilbaq5z5x6gdfdpoa6lprf6sf3gbxriuku2odje4kx4bovf@jd735cphfutz/T/#t [2]: https://lore.kernel.org/ocfs2-devel/75f89a17-213b-42a0-a30e-d52fb2d077a6@linux.alibaba.com/T/#mbe2b5f52ee249178e1ad4c76d964de2dc818eb32 Heming Zhao (1): ocfs2: split transactions in dio completion to avoid credit exhaustion fs/ocfs2/aops.c | 74 ++++++++++++++++++++++++++++++------------------- 1 file changed, 45 insertions(+), 29 deletions(-) -- 2.43.0