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authorXin Yin <yinxin.x@bytedance.com>2022-01-17 12:36:54 +0300
committerTheodore Ts'o <tytso@mit.edu>2022-02-03 18:56:39 +0300
commite85c81ba8859a4c839bcd69c5d83b32954133a5b (patch)
tree82c221700beddb5bd5173b9dc825b91e766e4133 /include
parent31a074a0c62dc0d2bfb9b543142db4fe27f9e5eb (diff)
downloadlinux-e85c81ba8859a4c839bcd69c5d83b32954133a5b.tar.xz
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')
-rw-r--r--include/linux/jbd2.h2
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: