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authorDavid S. Miller <davem@davemloft.net>2020-03-12 21:29:30 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-12 22:34:48 -0700
commit1d343579312311aa9875b34d5a921f5e2ec69f0a (patch)
tree64b636b5557d92f5266187f035dac34862db86d5 /fs/jbd2/transaction.c
parenta8eceea84a3a3504e42f6495cf462027c5d19cb0 (diff)
parent0d81a3f29c0afb18ba2b1275dcccf21e0dd4da38 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor overlapping changes, nothing serious. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/jbd2/transaction.c')
-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)