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path: root/fs/jbd2/transaction.c
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-rw-r--r--fs/jbd2/transaction.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index d181948c0390..3dccc23cf010 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1150,8 +1150,8 @@ static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh,
/* For undo access buffer must have data copied */
if (undo && !jh->b_committed_data)
goto out;
- if (jh->b_transaction != handle->h_transaction &&
- jh->b_next_transaction != handle->h_transaction)
+ if (READ_ONCE(jh->b_transaction) != handle->h_transaction &&
+ READ_ONCE(jh->b_next_transaction) != handle->h_transaction)
goto out;
/*
* There are two reasons for the barrier here:
@@ -2569,8 +2569,8 @@ bool __jbd2_journal_refile_buffer(struct journal_head *jh)
* our jh reference and thus __jbd2_journal_file_buffer() must not
* take a new one.
*/
- jh->b_transaction = jh->b_next_transaction;
- jh->b_next_transaction = NULL;
+ WRITE_ONCE(jh->b_transaction, jh->b_next_transaction);
+ WRITE_ONCE(jh->b_next_transaction, NULL);
if (buffer_freed(bh))
jlist = BJ_Forget;
else if (jh->b_modified)