Put the ->real_file_size handling into fio

[fio.git] / engines / sync.c

diff --git a/engines/sync.c b/engines/sync.c
index 6a5b7d391ed206a465f8b2d1cbd7fcf550305c8f..ee8e3c367360166b7f95b312988ff89c07b5e09e 100644 (file)
--- a/engines/sync.c
+++ b/engines/sync.c
@@ -1,5 +1,8 @@
 /*
- * regular read/write sync io engine
+ * sync engine
+ *
+ * IO engine that does regular read(2)/write(2) with lseek(2) to transfer
+ * data.
  *
  */
 #include <stdio.h>
@@ -9,7 +12,6 @@
 #include <assert.h>
 
 #include "../fio.h"
-#include "../os.h"
 
 static int fio_syncio_prep(struct thread_data *td, struct io_u *io_u)
 {
@@ -21,7 +23,7 @@ static int fio_syncio_prep(struct thread_data *td, struct io_u *io_u)
                return 0;
 
        if (lseek(f->fd, io_u->offset, SEEK_SET) == -1) {
-               td_verror(td, errno);
+               td_verror(td, errno, "lseek");
                return 1;
        }
 
@@ -41,7 +43,7 @@ static int fio_syncio_queue(struct thread_data *td, struct io_u *io_u)
                ret = fsync(f->fd);
 
        if (ret != (int) io_u->xfer_buflen) {
-               if (ret > 0) {
+               if (ret >= 0) {
                        io_u->resid = io_u->xfer_buflen - ret;
                        io_u->error = 0;
                        return FIO_Q_COMPLETED;
@@ -50,7 +52,7 @@ static int fio_syncio_queue(struct thread_data *td, struct io_u *io_u)
        }
 
        if (io_u->error)
-               td_verror(td, io_u->error);
+               td_verror(td, io_u->error, "xfer");
 
        return FIO_Q_COMPLETED;
 }
@@ -60,6 +62,8 @@ static struct ioengine_ops ioengine = {
        .version        = FIO_IOOPS_VERSION,
        .prep           = fio_syncio_prep,
        .queue          = fio_syncio_queue,
+       .open_file      = generic_open_file,
+       .close_file     = generic_close_file,
        .flags          = FIO_SYNCIO,
 };