X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=filesetup.c;h=891a55a1ddb97ab30c7cc375cd9246fed21addd8;hb=52582166d723870f68e7f4ff7532de13b3cdeaea;hp=b9d68c458650f299f25f9eb934a1aac6722e7e65;hpb=8c43ba6259409244de64f0b1d388a029e38cf3e5;p=fio.git

diff --git a/filesetup.c b/filesetup.c
index b9d68c45..891a55a1 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -15,7 +15,6 @@
 #include "os/os.h"
 #include "hash.h"
 #include "lib/axmap.h"
-#include "lib/memalign.h"
 
 #ifdef CONFIG_LINUX_FALLOCATE
 #include <linux/falloc.h>
@@ -147,8 +146,6 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 		flags |= O_CREAT;
 	if (new_layout)
 		flags |= O_TRUNC;
-	if (td->o.odirect)
-		flags |= OS_O_DIRECT;
 
 #ifdef WIN32
 	flags |= _O_BINARY;
@@ -195,9 +192,9 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 	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;
 	}
 
@@ -250,14 +247,14 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 			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;
 }
 
@@ -1846,3 +1843,32 @@ void filesetup_mem_free(void)
 {
 	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
+}