Merge 4.16-rc6 into tty-next

We want the serial/tty fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 2764c2290062..42890a08375b 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -693,6 +693,16 @@ void ppl_quiesce(struct r5conf *conf, int quiesce)
         }
 }
 
+int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio)
+{
+        if (bio->bi_iter.bi_size == 0) {
+                bio_endio(bio);
+                return 0;
+        }
+        bio->bi_opf &= ~REQ_PREFLUSH;
+        return -EAGAIN;
+}
+
 void ppl_stripe_write_finished(struct stripe_head *sh)
 {
         struct ppl_io_unit *io;