lib/rand: get rid of unused MAX_SEED_BUCKETS

[fio.git] / engines / rbd.c

diff --git a/engines/rbd.c b/engines/rbd.c
index 7d4d3faf9c5318462fb7c153b7e96a8437e40dc2..2f25889ac877a09730bf6e037f5c9a3d7042dc64 100644 (file)
--- a/engines/rbd.c
+++ b/engines/rbd.c
@@ -173,7 +173,7 @@ static int _fio_rbd_connect(struct thread_data *td)
                char *client_name = NULL; 
 
                /*
-                * If we specify cluser name, the rados_create2
+                * If we specify cluster name, the rados_create2
                 * will not assume 'client.'. name is considered
                 * as a full type.id namestr
                 */
@@ -200,6 +200,14 @@ static int _fio_rbd_connect(struct thread_data *td)
                log_err("rados_create failed.\n");
                goto failed_early;
        }
+       if (o->pool_name == NULL) {
+               log_err("rbd pool name must be provided.\n");
+               goto failed_early;
+       }
+       if (!o->rbd_name) {
+               log_err("rbdname must be provided.\n");
+               goto failed_early;
+       }
 
        r = rados_conf_read_file(rbd->cluster, NULL);
        if (r < 0) {
@@ -219,12 +227,30 @@ static int _fio_rbd_connect(struct thread_data *td)
                goto failed_shutdown;
        }
 
+        if (td->o.odirect) {
+               r = rados_conf_set(rbd->cluster, "rbd_cache", "false");
+               if (r < 0) {
+                       log_info("failed to disable RBD in-memory cache\n");
+               }
+       }
+
        r = rbd_open(rbd->io_ctx, o->rbd_name, &rbd->image, NULL /*snap */ );
        if (r < 0) {
                log_err("rbd_open failed.\n");
                goto failed_open;
        }
 
+       if (!td->o.odirect) {
+               /*
+                * ensure cache enables writeback/around mode unless explicitly
+                * configured for writethrough mode
+                */
+               r = rbd_flush(rbd->image);
+               if (r < 0) {
+                       log_info("rbd: failed to issue initial flush\n");
+               }
+       }
+
        if (!_fio_rbd_setup_poll(rbd))
                goto failed_poll;
 
@@ -607,7 +633,7 @@ static int fio_rbd_setup(struct thread_data *td)
 
        /* taken from "net" engine. Pretend we deal with files,
         * even if we do not have any ideas about files.
-        * The size of the RBD is set instead of a artificial file.
+        * The size of the RBD is set instead of an artificial file.
         */
        if (!td->files_index) {
                add_file(td, td->o.filename ? : "rbd", 0, 0);
@@ -660,7 +686,7 @@ static int fio_rbd_io_u_init(struct thread_data *td, struct io_u *io_u)
        return 0;
 }
 
-static struct ioengine_ops ioengine = {
+FIO_STATIC struct ioengine_ops ioengine = {
        .name                   = "rbd",
        .version                = FIO_IOOPS_VERSION,
        .setup                  = fio_rbd_setup,