Add support for queuing > 1 command at the time

[fio.git] / engines / syslet-rw.c

diff --git a/engines/syslet-rw.c b/engines/syslet-rw.c
index d6d9943c0bee29b2b23463c3ea1751f76f198868..bfb6021f63f2ba6aa5fd72b7874eede23248913e 100644 (file)
--- a/engines/syslet-rw.c
+++ b/engines/syslet-rw.c
@@ -113,7 +113,7 @@ static void init_atom(struct syslet_uatom *atom, int nr, void *arg0,
 static void fio_syslet_prep_sync(struct io_u *io_u, struct fio_file *f)
 {
        init_atom(&io_u->req.atom, __NR_fsync, &f->fd, NULL, NULL, NULL,
-                 &io_u->req.ret, SYSLET_STOP_ON_NEGATIVE, io_u);
+                 &io_u->req.ret, 0, io_u);
 }
 
 static void fio_syslet_prep_rw(struct io_u *io_u, struct fio_file *f)
@@ -129,8 +129,7 @@ static void fio_syslet_prep_rw(struct io_u *io_u, struct fio_file *f)
                nr = __NR_pwrite64;
 
        init_atom(&io_u->req.atom, nr, &f->fd, &io_u->xfer_buf,
-                 &io_u->xfer_buflen, &io_u->offset, &io_u->req.ret,
-                 SYSLET_STOP_ON_NEGATIVE, io_u);
+                 &io_u->xfer_buflen, &io_u->offset, &io_u->req.ret, 0, io_u);
 }
 
 static int fio_syslet_prep(struct thread_data fio_unused *td, struct io_u *io_u)
@@ -148,12 +147,14 @@ static int fio_syslet_prep(struct thread_data fio_unused *td, struct io_u *io_u)
 static int fio_syslet_queue(struct thread_data *td, struct io_u *io_u)
 {
        struct syslet_data *sd = td->io_ops->data;
-       struct syslet_uatom *done;
        long ret;
 
-       done = async_exec(&io_u->req.atom);
-       if (!done)
-               return 0;
+       /*
+        * On sync completion, the atom is returned. So on NULL return
+        * it's queued asynchronously.
+        */
+       if (!async_exec(&io_u->req.atom))
+               return FIO_Q_QUEUED;
 
        /*
         * completed sync
@@ -163,7 +164,7 @@ static int fio_syslet_queue(struct thread_data *td, struct io_u *io_u)
                if (ret > 0) {
                        io_u->resid = io_u->xfer_buflen - ret;
                        io_u->error = 0;
-                       return ret;
+                       return FIO_Q_COMPLETED;
                } else
                        io_u->error = errno;
        }
@@ -173,7 +174,7 @@ static int fio_syslet_queue(struct thread_data *td, struct io_u *io_u)
        else
                td_verror(td, io_u->error);
 
-       return io_u->error;
+       return FIO_Q_COMPLETED;
 }
 
 static int async_head_init(struct syslet_data *sd, unsigned int depth)
@@ -206,6 +207,9 @@ static void async_head_exit(struct syslet_data *sd)
 {
        if (async_unregister(sd->ahu, sizeof(*sd->ahu)) < 0)
                perror("async_register");
+
+       free(sd->ahu);
+       free(sd->ring);
 }
 
 static void fio_syslet_cleanup(struct thread_data *td)