t/zbd: Combine write and read fio commands for test case #6

[fio.git] / ioengines.c

diff --git a/ioengines.c b/ioengines.c
index 2c7a0df9ed39fa02da08691c4fb85cdf6eadbb90..1c5970a4b5a188e5f4aa5f924b483c976a04142f 100644 (file)
--- a/ioengines.c
+++ b/ioengines.c
@@ -75,6 +75,25 @@ static struct ioengine_ops *find_ioengine(const char *name)
        return NULL;
 }
 
+#ifdef CONFIG_DYNAMIC_ENGINES
+static void *dlopen_external(struct thread_data *td, const char *engine)
+{
+       char engine_path[PATH_MAX];
+       void *dlhandle;
+
+       sprintf(engine_path, "%s/lib%s.so", FIO_EXT_ENG_DIR, engine);
+
+       dlhandle = dlopen(engine_path, RTLD_LAZY);
+       if (!dlhandle)
+               log_info("Engine %s not found; Either name is invalid, was not built, or fio-engine-%s package is missing.\n",
+                        engine, engine);
+
+       return dlhandle;
+}
+#else
+#define dlopen_external(td, engine) (NULL)
+#endif
+
 static struct ioengine_ops *dlopen_ioengine(struct thread_data *td,
                                            const char *engine_lib)
 {
@@ -86,8 +105,11 @@ static struct ioengine_ops *dlopen_ioengine(struct thread_data *td,
        dlerror();
        dlhandle = dlopen(engine_lib, RTLD_LAZY);
        if (!dlhandle) {
-               td_vmsg(td, -1, dlerror(), "dlopen");
-               return NULL;
+               dlhandle = dlopen_external(td, engine_lib);
+               if (!dlhandle) {
+                       td_vmsg(td, -1, dlerror(), "dlopen");
+                       return NULL;
+               }
        }
 
        /*
@@ -291,8 +313,10 @@ enum fio_q_status td_io_queue(struct thread_data *td, struct io_u *io_u)
         * started the overlap check because the IO_U_F_FLIGHT
         * flag is now set
         */
-       if (td_offload_overlap(td))
-               pthread_mutex_unlock(&overlap_check);
+       if (td_offload_overlap(td)) {
+               int res = pthread_mutex_unlock(&overlap_check);
+               assert(res == 0);
+       }
 
        assert(fio_file_open(io_u->file));