From: Jens Axboe <jens.axboe@oracle.com>
Date: Sun, 20 Dec 2009 21:29:10 +0000 (+0100)
Subject: Make fdatasync OS optional
X-Git-Tag: fio-1.37~10
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=c36d16f5a0b9e3d505c9933bbbdccdb519ca4faf

Make fdatasync OS optional

OSX does not have it.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/engines/sync.c b/engines/sync.c
index 7c1cca63..c375e9a8 100644
--- a/engines/sync.c
+++ b/engines/sync.c
@@ -162,9 +162,15 @@ static int fio_vsyncio_queue(struct thread_data *td, struct io_u *io_u)
 
 			return fio_io_end(td, io_u, ret);
 		} else if (io_u->ddir == DDIR_DATASYNC) {
-			int ret = fdatasync(io_u->file->fd);
-
+			int ret;
+#ifdef FIO_HAVE_FDATASYNC
+			ret = fdatasync(io_u->file->fd);
+#else
+			ret = io_u->xfer_buflen;
+			io_u->error = EINVAL;
+#endif
 			return fio_io_end(td, io_u, ret);
+			
 		}
 	
 		sd->queued = 0;
diff --git a/os/os-freebsd.h b/os/os-freebsd.h
index 8d965aad..062c44cd 100644
--- a/os/os-freebsd.h
+++ b/os/os-freebsd.h
@@ -8,6 +8,7 @@
 #define FIO_HAVE_ODIRECT
 #define FIO_USE_GENERIC_BDEV_SIZE
 #define FIO_USE_GENERIC_RAND
+#define FIO_HAVE_FDATASYNC
 
 #define OS_MAP_ANON		MAP_ANON
 
diff --git a/os/os-linux.h b/os/os-linux.h
index 7162dfa2..01140e0d 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -33,6 +33,7 @@
 #define FIO_HAVE_PSHARED_MUTEX
 #define FIO_HAVE_CL_SIZE
 #define FIO_HAVE_CGROUPS
+#define FIO_HAVE_FDATASYNC
 
 #define OS_MAP_ANON		MAP_ANONYMOUS
 
diff --git a/os/os-solaris.h b/os/os-solaris.h
index c6419d83..f8ce1f31 100644
--- a/os/os-solaris.h
+++ b/os/os-solaris.h
@@ -14,6 +14,7 @@
 #define FIO_HAVE_CPU_AFFINITY
 #define FIO_HAVE_PSHARED_MUTEX
 #define FIO_USE_GENERIC_BDEV_SIZE
+#define FIO_HAVE_FDATASYNC
 
 #define OS_MAP_ANON		MAP_ANON
 #define OS_RAND_MAX		2147483648UL