ext3: 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>
Acked-by: Jan Kara <jack@suse.cz>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 64246dce5663..2c6943152c21 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -552,6 +552,11 @@ struct transaction_s
          */
         int t_handle_count;
 
+        /*
+         * This transaction is being forced and some process is
+         * waiting for it to finish.
+         */
+        int t_synchronous_commit:1;
 };
 
 /**