return ops;
}
-struct ioengine_ops *load_ioengine(struct thread_data *td, const char *name)
+struct ioengine_ops *load_ioengine(struct thread_data *td)
{
- struct ioengine_ops *ops;
- char engine[64];
+ struct ioengine_ops *ops = NULL;
+ const char *name = NULL;
- dprint(FD_IO, "load ioengine %s\n", name);
+ if (strcmp(td->o.ioengine, "external")) {
+ char engine[64];
- engine[sizeof(engine) - 1] = '\0';
- strncpy(engine, name, sizeof(engine) - 1);
+ name = td->o.ioengine;
+ 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) || !strncmp(engine, "aio", 3))
- strcpy(engine, "libaio");
+ /*
+ * linux libaio has alias names, so convert to what we want
+ */
+ if (!strncmp(engine, "linuxaio", 8) || !strncmp(engine, "aio", 3))
+ strcpy(engine, "libaio");
- ops = find_ioengine(engine);
- if (!ops)
+ dprint(FD_IO, "load ioengine %s\n", engine);
+ ops = find_ioengine(engine);
+ } else if (td->o.ioengine_so_path) {
+ name = td->o.ioengine_so_path;
ops = dlopen_ioengine(td, name);
+ } else
+ log_err("fio: missing external ioengine path\n");
if (!ops) {
log_err("fio: engine %s not loadable\n", name);
*/
if (td->o.read_iolog_file)
memcpy(&td->last_issue, &io_u->issue_time,
- sizeof(struct timeval));
+ sizeof(io_u->issue_time));
}
if (ddir_rw(ddir)) {
*/
if (td->o.read_iolog_file)
memcpy(&td->last_issue, &io_u->issue_time,
- sizeof(struct timeval));
+ sizeof(io_u->issue_time));
}
return ret;
goto err;
}
}
-#ifdef FIO_HAVE_STREAMID
- if (td->o.fadvise_stream &&
+#ifdef FIO_HAVE_WRITE_HINT
+ if (fio_option_is_set(&td->o, write_hint) &&
(f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_FILE)) {
- off_t stream = td->o.fadvise_stream;
-
- if (posix_fadvise(f->fd, stream, f->io_size, POSIX_FADV_STREAMID) < 0) {
- td_verror(td, errno, "fadvise streamid");
- goto err;
- }
- }
-#endif
-
-#ifdef FIO_OS_DIRECTIO
- /*
- * Some OS's have a distinct call to mark the file non-buffered,
- * instead of using O_DIRECT (Solaris)
- */
- if (td->o.odirect) {
- int ret = fio_set_odirect(f->fd);
+ uint64_t hint = td->o.write_hint;
+ int cmd;
- if (ret) {
- td_verror(td, ret, "fio_set_odirect");
- if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */
- log_err("fio: doing directIO to RAW devices or ZFS not supported\n");
- } else {
- log_err("fio: the file system does not seem to support direct IO\n");
- }
+ /*
+ * For direct IO, we just need/want to set the hint on
+ * the file descriptor. For buffered IO, we need to set
+ * it on the inode.
+ */
+ if (td->o.odirect)
+ cmd = F_SET_FILE_RW_HINT;
+ else
+ cmd = F_SET_RW_HINT;
+ if (fcntl(f->fd, cmd, &hint) < 0) {
+ td_verror(td, errno, "fcntl write hint");
goto err;
}
}
#endif
+ if (td->o.odirect && !OS_O_DIRECT && fio_set_directio(td, f))
+ goto err;
+
done:
log_file(td, f, FIO_LOG_OPEN_FILE);
return 0;
memset(&td, 0, sizeof(td));
- io_ops = load_ioengine(&td, engine);
+ td.o.ioengine = (char *)engine;
+ io_ops = load_ioengine(&td);
if (!io_ops) {
log_info("IO engine %s not found\n", engine);
return 1;