Make fdatasync OS optional

[fio.git] / engines / sync.c

diff --git a/engines/sync.c b/engines/sync.c
index 842c6c0b29a4f0bf33351bdbbc5ea18581361f5b..c375e9a8ca8212b148920feaf0452ea6590d2e23 100644 (file)
--- a/engines/sync.c
+++ b/engines/sync.c
@@ -30,7 +30,7 @@ static int fio_syncio_prep(struct thread_data *td, struct io_u *io_u)
 {
        struct fio_file *f = io_u->file;
 
-       if (io_u->ddir == DDIR_SYNC)
+       if (ddir_sync(io_u->ddir))
                return 0;
 
        if (lseek(f->fd, io_u->offset, SEEK_SET) == -1) {
@@ -120,7 +120,7 @@ static int fio_vsyncio_append(struct thread_data *td, struct io_u *io_u)
 {
        struct syncio_data *sd = td->io_ops->data;
 
-       if (io_u->ddir == DDIR_SYNC)
+       if (ddir_sync(io_u->ddir))
                return 0;
 
        if (io_u->offset == sd->last_offset && io_u->file == sd->last_file &&
@@ -161,8 +161,18 @@ static int fio_vsyncio_queue(struct thread_data *td, struct io_u *io_u)
                        int ret = fsync(io_u->file->fd);
 
                        return fio_io_end(td, io_u, ret);
+               } else if (io_u->ddir == DDIR_DATASYNC) {
+                       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;
                sd->queued_bytes = 0;
                fio_vsyncio_set_iov(sd, io_u, 0);