From: Andres Freund <andres@anarazel.de>
Date: Thu, 12 Sep 2019 18:17:08 +0000 (-0700)
Subject: engines/io_uring: Add support for sync_file_range.
X-Git-Tag: fio-3.16~3^2
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=01387bfea4b07e6a3df636a5e5e9b0f31b016fc1

engines/io_uring: Add support for sync_file_range.

Previously sync_file_range() requests were just dropped to the floor.

Signed-off-by: Andres Freund <andres@anarazel.de>
---

diff --git a/engines/io_uring.c b/engines/io_uring.c
index 65f8e236..93ffb5bd 100644
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -181,10 +181,17 @@ static int fio_ioring_prep(struct thread_data *td, struct io_u *io_u)
 		}
 		sqe->off = io_u->offset;
 	} else if (ddir_sync(io_u->ddir)) {
-		sqe->fsync_flags = 0;
-		if (io_u->ddir == DDIR_DATASYNC)
-			sqe->fsync_flags |= IORING_FSYNC_DATASYNC;
-		sqe->opcode = IORING_OP_FSYNC;
+		if (io_u->ddir == DDIR_SYNC_FILE_RANGE) {
+			sqe->off = f->first_write;
+			sqe->len = f->last_write - f->first_write;
+			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;
+		}
 	}
 
 	sqe->user_data = (unsigned long) io_u;