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-rw-r--r--fs/jbd2/transaction.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index bee8498d7792..3930c68a9c20 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -2296,14 +2296,16 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
return -EBUSY;
}
/*
- * OK, buffer won't be reachable after truncate. We just set
- * j_next_transaction to the running transaction (if there is
- * one) and mark buffer as freed so that commit code knows it
- * should clear dirty bits when it is done with the buffer.
+ * OK, buffer won't be reachable after truncate. We just clear
+ * b_modified to not confuse transaction credit accounting, and
+ * set j_next_transaction to the running transaction (if there
+ * is one) and mark buffer as freed so that commit code knows
+ * it should clear dirty bits when it is done with the buffer.
*/
set_buffer_freed(bh);
if (journal->j_running_transaction && buffer_jbddirty(bh))
jh->b_next_transaction = journal->j_running_transaction;
+ jh->b_modified = 0;
jbd2_journal_put_journal_head(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);