X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=ioengines.c;h=4ab08ce7472ca806573cf4fcb9875c96645c9b5f;hp=14b15ccd7468e6646a03b962095a97fb55cff74a;hb=e4e33258637e55550a0fac59eb3350e8bf06f8e6;hpb=eb7c8ae27bc301b77490b3586dd5ccab7c95880a

diff --git a/ioengines.c b/ioengines.c
index 14b15ccd..4ab08ce7 100644
--- a/ioengines.c
+++ b/ioengines.c
@@ -28,12 +28,6 @@ static int check_engine_ops(struct ioengine_ops *ops)
 		return 1;
 	}
 
-	/*
-	 * cpu thread doesn't need to provide anything
-	 */
-	if (ops->flags & FIO_CPUIO)
-		return 0;
-
 	if (!ops->queue) {
 		log_err("%s: no queue handler\n", ops->name);
 		return 1;
@@ -77,16 +71,10 @@ static struct ioengine_ops *find_ioengine(const char *name)
 {
 	struct ioengine_ops *ops;
 	struct list_head *entry;
-	char engine[16];
-
-	strncpy(engine, name, sizeof(engine) - 1);
-
-	if (!strncmp(engine, "linuxaio", 8) || !strncmp(engine, "aio", 3))
-		strcpy(engine, "libaio");
 
 	list_for_each(entry, &engine_list) {
 		ops = list_entry(entry, struct ioengine_ops, list);
-		if (!strcmp(engine, ops->name))
+		if (!strcmp(name, ops->name))
 			return ops;
 	}
 
@@ -164,10 +152,7 @@ void close_ioengine(struct thread_data *td)
 	if (td->io_ops->dlhandle)
 		dlclose(td->io_ops->dlhandle);
 
-#if 0
-	/* we can't do this for threads, so just leak it, it's exiting */
 	free(td->io_ops);
-#endif
 	td->io_ops = NULL;
 }
 
@@ -201,6 +186,11 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 	assert((io_u->flags & IO_U_F_FLIGHT) == 0);
 	io_u->flags |= IO_U_F_FLIGHT;
 
+	assert(io_u->file->flags & FIO_FILE_OPEN);
+
+	io_u->error = 0;
+	io_u->resid = 0;
+
 	if (td->io_ops->flags & FIO_SYNCIO) {
 		fio_gettime(&io_u->issue_time, NULL);
 
@@ -214,13 +204,18 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 	if (io_u->ddir != DDIR_SYNC)
 		td->io_issues[io_u->ddir]++;
 
+	io_u_mark_depth(td, io_u);
+
 	ret = td->io_ops->queue(td, io_u);
 
+	if (ret == FIO_Q_QUEUED || ret == FIO_Q_COMPLETED)
+		get_file(io_u->file);
+
 	if (ret == FIO_Q_QUEUED) {
 		int r;
 
 		td->io_u_queued++;
-		if (td->io_u_queued > td->iodepth_batch) {
+		if (td->io_u_queued > td->o.iodepth_batch) {
 			r = td_io_commit(td);
 			if (r < 0)
 				return r;
@@ -243,10 +238,15 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 
 int td_io_init(struct thread_data *td)
 {
-	if (td->io_ops->init)
-		return td->io_ops->init(td);
+	int ret = 0;
 
-	return 0;
+	if (td->io_ops->init) {
+		ret = td->io_ops->init(td);
+		if (ret && td->o.iodepth > 1)
+			log_err("fio: io engine init failed. Perhaps try reducing io dpeth?\n");
+	}
+
+	return ret;
 }
 
 int td_io_commit(struct thread_data *td)
@@ -260,3 +260,33 @@ int td_io_commit(struct thread_data *td)
 
 	return 0;
 }
+
+int td_io_open_file(struct thread_data *td, struct fio_file *f)
+{
+	if (td->io_ops->open_file(td, f))
+		return 1;
+
+	f->last_free_lookup = 0;
+	f->last_completed_pos = 0;
+	f->last_pos = 0;
+	f->flags |= FIO_FILE_OPEN;
+	f->flags &= ~FIO_FILE_CLOSING;
+
+	if (f->file_map)
+		memset(f->file_map, 0, f->num_maps * sizeof(long));
+
+	td->nr_open_files++;
+	get_file(f);
+	return 0;
+}
+
+void td_io_close_file(struct thread_data *td, struct fio_file *f)
+{
+	/*
+	 * mark as closing, do real close when last io on it has completed
+	 */
+	f->flags |= FIO_FILE_CLOSING;
+
+	put_file(td, f);
+}
+