#include "os/os.h"
#include "hash.h"
#include "lib/axmap.h"
-#include "lib/memalign.h"
#ifdef CONFIG_LINUX_FALLOCATE
#include <linux/falloc.h>
flags |= O_CREAT;
if (new_layout)
flags |= O_TRUNC;
- if (td->o.odirect)
- flags |= OS_O_DIRECT;
#ifdef WIN32
flags |= _O_BINARY;
if (err == ENOENT && !td->o.allow_create)
log_err("fio: file creation disallowed by "
"allow_file_create=0\n");
- else {
- if (err == EINVAL && (flags & OS_O_DIRECT))
- log_err("fio: looks like your filesystem "
- "does not support "
- "direct=1/buffered=0\n");
-
+ else
td_verror(td, err, "open");
- }
return 1;
}
if (bs > left)
bs = left;
- b = fio_memalign(page_size, bs);
+ b = malloc(bs);
if (!b) {
- td_verror(td, errno, "fio_memalign");
+ td_verror(td, errno, "malloc");
goto err;
}
f->io_size = f->real_file_size;
}
- fio_memfree(b, bs);
+ free(b);
done:
return 0;
err:
close(f->fd);
f->fd = -1;
if (b)
- fio_memfree(b, bs);
+ free(b);
return 1;
}
{
free_already_allocated();
}
+
+/*
+ * This function is for platforms which support direct I/O but not O_DIRECT.
+ */
+int fio_set_directio(struct thread_data *td, struct fio_file *f)
+{
+#ifdef FIO_OS_DIRECTIO
+ int ret = fio_set_odirect(f);
+
+ if (ret) {
+ td_verror(td, ret, "fio_set_directio");
+#if defined(__sun__)
+ 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");
+ }
+#else
+ log_err("fio: the file system does not seem to support direct IO\n");
+#endif
+ return -1;
+ }
+
+ return 0;
+#else
+ log_err("fio: direct IO is not supported on this host operating system\n");
+ return -1;
+#endif
+}