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| author |   Xin Yin <yinxin.x@bytedance.com> | 2022-01-17 17:36:54 +0800 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2022-02-03 10:56:39 -0500 |
| commit | e85c81ba8859a4c839bcd69c5d83b32954133a5b (patch) | |
| tree | 82c221700beddb5bd5173b9dc825b91e766e4133 /include/linux/jbd2.h | |
| parent | ext4: modify the logic of ext4_mb_new_blocks_simple (diff) | |
| download | wireguard-linux-e85c81ba8859a4c839bcd69c5d83b32954133a5b.tar.xz wireguard-linux-e85c81ba8859a4c839bcd69c5d83b32954133a5b.zip | |
ext4: fast commit may not fallback for ineligible commit
For the follow scenario:
1. jbd start commit transaction n
2. task A get new handle for transaction n+1
3. task A do some ineligible actions and mark FC_INELIGIBLE
4. jbd complete transaction n and clean FC_INELIGIBLE
5. task A call fsync
In this case fast commit will not fallback to full commit and
transaction n+1 also not handled by jbd.
Make ext4_fc_mark_ineligible() also record transaction tid for
latest ineligible case, when call ext4_fc_cleanup() check
current transaction tid, if small than latest ineligible tid
do not clear the EXT4_MF_FC_INELIGIBLE.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Ritesh Harjani <riteshh@linux.ibm.com>
Suggested-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Signed-off-by: Xin Yin <yinxin.x@bytedance.com>
Link: https://lore.kernel.org/r/20220117093655.35160-2-yinxin.x@bytedance.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Diffstat (limited to 'include/linux/jbd2.h')
| -rw-r--r-- | include/linux/jbd2.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index fd933c45281a..d63b8106796e 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1295,7 +1295,7 @@ struct journal_s * Clean-up after fast commit or full commit. JBD2 calls this function * after every commit operation. */ - void (*j_fc_cleanup_callback)(struct journal_s *journal, int); + void (*j_fc_cleanup_callback)(struct journal_s *journal, int full, tid_t tid); /** * @j_fc_replay_callback: |