Recent changes (master)

[Jens Axboe <axboe@xxxxxxxxx>]

The following changes since commit 4c29a34fcc8cae333ec8b7af7657495745153b44:

  Merge branch 'ioring_add_sync_file_range' of https://github.com/anarazel/fio (2019-09-12 14:24:23 -0600)

are available in the Git repository at:

  git://git.kernel.dk/fio.git master

for you to fetch changes up to ae3ae8367271e6df7be5eae37c15c00e6c2dc76e:

  Merge branch 'fio_reset_sqe' of https://github.com/anarazel/fio (2019-09-13 14:56:16 -0600)

----------------------------------------------------------------
Andres Freund (1):
      engines/io_uring: Fully clear out previous SQE contents.

Jens Axboe (1):
      Merge branch 'fio_reset_sqe' of https://github.com/anarazel/fio

 engines/io_uring.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

---

Diff of recent changes:

diff --git a/engines/io_uring.c b/engines/io_uring.c
index 53cb60c5..e5edfcd2 100644
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -152,15 +152,16 @@ static int fio_ioring_prep(struct thread_data *td, struct io_u *io_u)
 	struct io_uring_sqe *sqe;
 
 	sqe = &ld->sqes[io_u->index];
+
+	/* zero out fields not used in this submission */
+	memset(sqe, 0, sizeof(*sqe));
+
 	if (o->registerfiles) {
 		sqe->fd = f->engine_pos;
 		sqe->flags = IOSQE_FIXED_FILE;
 	} else {
 		sqe->fd = f->fd;
-		sqe->flags = 0;
 	}
-	sqe->ioprio = 0;
-	sqe->buf_index = 0;
 
 	if (io_u->ddir == DDIR_READ || io_u->ddir == DDIR_WRITE) {
 		if (o->fixedbufs) {
@@ -187,7 +188,6 @@ static int fio_ioring_prep(struct thread_data *td, struct io_u *io_u)
 			sqe->sync_range_flags = td->o.sync_file_range;
 			sqe->opcode = IORING_OP_SYNC_FILE_RANGE;
 		} else {
-			sqe->fsync_flags = 0;
 			if (io_u->ddir == DDIR_DATASYNC)
 				sqe->fsync_flags |= IORING_FSYNC_DATASYNC;
 			sqe->opcode = IORING_OP_FSYNC;