on 6/12/2023 11:49 AM, Theodore Ts'o wrote: > On Mon, Jun 12, 2023 at 10:24:55AM +0800, Kemeng Shi wrote: > >> Hi ted, sorry for this issue. This patch added a WARN_ON for case that we free block >> to uninitialized block group which should be invalid. >> We can simply remove the WARN_ON to allow free on uninitialized block group as old >> way for emergency fix and I will find out why we free blocks to uninitialized block >> group in fast commit code path and is it a valid behavior. > > What I've done for now in the dev branch was to drop patches 12 > through 19 of this patch series. That seemed to be a good break > point, and I wanted to make sure we had something working so we can > start doing a lot more intesive testing on the patches so far. > > Also, that way, when you resend the last 8 patches in the patch > series, we can make sure they get a proper review as opposed to making > changes on the fly. Sure, I will resend last 8 patches after I solve the issue. I can also take my time to look at problem in this way :) > The current contents of the dev branch are: > > % git log --reverse --oneline origin..dev > 40fa8be3852f ext4: kill unused function ext4_journalled_write_inline_data > a030569c34be ext4: Change remaining tracepoints to use folio > d1ffc6fb5ded ext4: Make mpage_journal_page_buffers use folio > 5ac99c22fa84 ext4: Make ext4_write_inline_data_end() use folio > d578dfc510cf ext4: Call fsverity_verify_folio() > 30f0bd64ed09 ext4: fix wrong unit use in ext4_mb_normalize_request > b9dc976cc348 ext4: fix unit mismatch in ext4_mb_new_blocks_simple > 9afc5e21107a ext4: fix wrong unit use in ext4_mb_find_by_goal > 860f86ccff6e ext4: treat stripe in block unit > 710c384f1536 ext4: add EXT4_MB_HINT_GOAL_ONLY test in ext4_mb_use_preallocated > f242d8a98a6f ext4: remove ext4_block_group and ext4_block_group_offset declaration > 5b859728b98b ext4: try all groups in ext4_mb_new_blocks_simple > ea7bbd168135 ext4: get block from bh before pass it to ext4_free_blocks_simple in ext4_free_blocks > 757d9100a5d1 ext4: remove unsed parameter and unnecessary forward declaration of ext4_mb_new_blocks_simple > 5d62e6da25f5 ext4: fix wrong unit use in ext4_mb_clear_bb > 993d22f0a250 ext4: fix wrong unit use in ext4_mb_new_blocks > bf4f2aa4844a ext4: mballoc: Remove useless setting of ac_criteria > 743f4dd07bf9 ext4: Remove unused extern variables declaration > bc40109767b3 ext4: Convert mballoc cr (criteria) to enum > 52e3814a1342 ext4: Add per CR extent scanned counter > a15c09da1255 ext4: Add counter to track successful allocation of goal length > 26cbe38f0275 ext4: Avoid scanning smaller extents in BG during CR1 > 9c8f8195852c ext4: Don't skip prefetching BLOCK_UNINIT groups > cd303d98b9b5 ext4: Ensure ext4_mb_prefetch_fini() is called for all prefetched BGs > ea639ce794e5 ext4: Abstract out logic to search average fragment list > b080c84db854 ext4: Add allocation criteria 1.5 (CR1_5) > 3a08f7ac3bfa ext4: Give symbolic names to mballoc criterias > d14b5d0b1373 ext4: only update i_reserved_data_blocks on successful block allocation > b352d1f09a20 ext4: add a new helper to check if es must be kept > 579c020ea7b7 ext4: factor out __es_alloc_extent() and __es_free_extent() > f4ddcde91d00 ext4: use pre-allocated es in __es_insert_extent() > e77481862663 ext4: use pre-allocated es in __es_remove_extent() > 28774513875c ext4: using nofail preallocation in ext4_es_remove_extent() > e109a1db5b09 ext4: using nofail preallocation in ext4_es_insert_delayed_block() > 14d876070f03 ext4: using nofail preallocation in ext4_es_insert_extent() > 2af6f615b18b ext4: make ext4_es_remove_extent() return void > 0ee9cccd1971 ext4: make ext4_es_insert_delayed_block() return void > 7a7c285c485d ext4: make ext4_es_insert_extent() return void > 9d1c6dea1aa3 ext4: make ext4_zeroout_es() return void > 2e3f4cdef544 ext4: clean up mballoc criteria comments > acef67482edf ext4: allow concurrent unaligned dio overwrites > 63bc068f0d1a ext4: Fix reusing stale buffer heads from last failed mounting > 3a57c2f88be3 ext4: ext4_put_super: Remove redundant checking for 'sbi->s_journal_bdev' > 6b960d2155f9 jbd2: remove unused feature macros > 4b049709e652 jbd2: switch to check format version in superblock directly > d9eafe0afafa jbd2: factor out journal initialization from journal_get_superblock() > 6eecd1f4c7ef jbd2: remove j_format_version > 431ca11fafd3 jbd2: continue to record log between each mount > 2ea31402649c ext4: add journal cycled recording support > a228f0e153f6 ext4: update doc about journal superblock description > f9c45d83f4da ext4: turning quotas off if mount failed after enable quotas > 5404e4738054 ext4: refactoring to use the unified helper ext4_quotas_off() > d3ab1bca26b4 jbd2: recheck chechpointing non-dirty buffer > 7b0cfe40a991 jbd2: remove t_checkpoint_io_list > e86f802ab8d4 jbd2: remove journal_clean_one_cp_list() > e8ece5c78f36 jbd2: Fix wrongly judgement for buffer head removing while doing checkpoint > cdffaad9649e jbd2: fix a race when checking checkpoint buffer busy > 11761ed6026e jbd2: remove __journal_try_to_free_buffer() > > Cheers, > > - Ted > -- Best wishes Kemeng Shi