linux 6.3 compat: needs REQ_PREFLUSH | REQ_OP_WRITE

Modify bio_set_flush() so if kernel version is >= 4.10, flags
REQ_PREFLUSH and REQ_OP_WRITE are set together.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Youzhong Yang <yyang@mathworks.com>
Closes #14695

diff --git a/include/os/linux/kernel/linux/blkdev_compat.h b/include/os/linux/kernel/linux/blkdev_compat.h
index c7405ffab8baf197cd36eefc27480c63328217e2..c5c6385be6ffd4c142cebbd6d7e1591953358f84 100644 (file)
--- a/include/os/linux/kernel/linux/blkdev_compat.h
+++ b/include/os/linux/kernel/linux/blkdev_compat.h
@@ -426,7 +426,7 @@ static inline void
 bio_set_flush(struct bio *bio)
 {
 #if defined(HAVE_REQ_PREFLUSH) /* >= 4.10 */
-       bio_set_op_attrs(bio, 0, REQ_PREFLUSH);
+       bio_set_op_attrs(bio, 0, REQ_PREFLUSH | REQ_OP_WRITE);
 #elif defined(WRITE_FLUSH_FUA) /* >= 2.6.37 and <= 4.9 */
        bio_set_op_attrs(bio, 0, WRITE_FLUSH_FUA);
 #else