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OpenCloudOS-Kernel
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!257 Backport jbd2 speed up for OpenCloudOS-Kernel 

Merge pull request !257 from lcy/devel-38
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chinaljp030 2024-11-05 09:40:52 +00:00 committed by Gitee
parent 7fbd37f2dd 475e1be393
commit 879316c425
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2 changed files with 2 additions and 12 deletions
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2
fs/jbd2/commit.c
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@ -1099,7 +1099,7 @@ restart_loop:
commit_transaction->t_state = T_COMMIT_CALLBACK;
J_ASSERT(commit_transaction == journal->j_committing_transaction);
journal->j_commit_sequence = commit_transaction->t_tid;
WRITE_ONCE(journal->j_commit_sequence, commit_transaction->t_tid);
journal->j_committing_transaction = NULL;
commit_time = ktime_to_ns(ktime_sub(ktime_get(), start_time));

12
fs/jbd2/journal.c
View File

@ -717,17 +717,7 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid)
/* Return 1 when transaction with given tid has already committed. */
int jbd2_transaction_committed(journal_t *journal, tid_t tid)
{
int ret = 1;
read_lock(&journal->j_state_lock);
if (journal->j_running_transaction &&
journal->j_running_transaction->t_tid == tid)
ret = 0;
if (journal->j_committing_transaction &&
journal->j_committing_transaction->t_tid == tid)
ret = 0;
read_unlock(&journal->j_state_lock);
return ret;
return tid_geq(READ_ONCE(journal->j_commit_sequence), tid);
}
EXPORT_SYMBOL(jbd2_transaction_committed);