X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=ioengines.c;h=1c5970a4b5a188e5f4aa5f924b483c976a04142f;hb=b6b64bfec2dd4ce7db64c57ecf771bb7b2f105f6;hp=aa4ccd2755c96f843d69333448795b0b16061723;hpb=04ba61dfa67784d4dfcc22a2b3de7ede28e22e40;p=fio.git

diff --git a/ioengines.c b/ioengines.c
index aa4ccd27..1c5970a4 100644
--- 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;
+		}
 	}
 
 	/*
@@ -121,19 +143,15 @@ static struct ioengine_ops *dlopen_ioengine(struct thread_data *td,
 	return ops;
 }
 
-static struct ioengine_ops *__load_ioengine(const char *name)
+static struct ioengine_ops *__load_ioengine(const char *engine)
 {
-	char engine[64];
-
-	engine[sizeof(engine) - 1] = '\0';
-	strncpy(engine, name, sizeof(engine) - 1);
-
 	/*
 	 * linux libaio has alias names, so convert to what we want
 	 */
 	if (!strncmp(engine, "linuxaio", 8)) {
-		dprint(FD_IO, "converting ioengine name: %s -> libaio\n", name);
-		strcpy(engine, "libaio");
+		dprint(FD_IO, "converting ioengine name: %s -> libaio\n",
+		       engine);
+		engine = "libaio";
 	}
 
 	dprint(FD_IO, "load ioengine %s\n", engine);
@@ -295,8 +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));
 
@@ -322,6 +342,7 @@ enum fio_q_status td_io_queue(struct thread_data *td, struct io_u *io_u)
 					sizeof(io_u->issue_time));
 	}
 
+
 	if (ddir_rw(ddir)) {
 		if (!(io_u->flags & IO_U_F_VER_LIST)) {
 			td->io_issues[ddir]++;
@@ -377,14 +398,16 @@ enum fio_q_status td_io_queue(struct thread_data *td, struct io_u *io_u)
 	}
 
 	if (ret == FIO_Q_COMPLETED) {
-		if (ddir_rw(io_u->ddir) || ddir_sync(io_u->ddir)) {
+		if (ddir_rw(io_u->ddir) ||
+		    (ddir_sync(io_u->ddir) && td->runstate != TD_FSYNCING)) {
 			io_u_mark_depth(td, 1);
 			td->ts.total_io_u[io_u->ddir]++;
 		}
 	} else if (ret == FIO_Q_QUEUED) {
 		td->io_u_queued++;
 
-		if (ddir_rw(io_u->ddir) || ddir_sync(io_u->ddir))
+		if (ddir_rw(io_u->ddir) ||
+		    (ddir_sync(io_u->ddir) && td->runstate != TD_FSYNCING))
 			td->ts.total_io_u[io_u->ddir]++;
 
 		if (td->io_u_queued >= td->o.iodepth_batch)