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-rw-r--r--fs/jbd2/journal.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 5adc2fb62b0f..9410ec462ba6 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -691,8 +691,21 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid)
{
int err = 0;
- jbd2_might_wait_for_commit(journal);
read_lock(&journal->j_state_lock);
+#ifdef CONFIG_PROVE_LOCKING
+ /*
+ * Some callers make sure transaction is already committing and in that
+ * case we cannot block on open handles anymore. So don't warn in that
+ * case.
+ */
+ if (tid_gt(tid, journal->j_commit_sequence) &&
+ (!journal->j_committing_transaction ||
+ journal->j_committing_transaction->t_tid != tid)) {
+ read_unlock(&journal->j_state_lock);
+ jbd2_might_wait_for_commit(journal);
+ read_lock(&journal->j_state_lock);
+ }
+#endif
#ifdef CONFIG_JBD2_DEBUG
if (!tid_geq(journal->j_commit_request, tid)) {
printk(KERN_ERR