ext4: Use WRITE_SYNC for commits which are caused by fsync()
If a commit is triggered by fsync(), set a flag indicating the journal
blocks associated with the transaction should be flushed out using
WRITE_SYNC.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 4d248b3..8815a34 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -649,6 +649,12 @@
int t_handle_count;
/*
+ * This transaction is being forced and some process is
+ * waiting for it to finish.
+ */
+ int t_synchronous_commit:1;
+
+ /*
* For use by the filesystem to store fs-specific data
* structures associated with the transaction
*/