X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=filesetup.c;h=789f0ed29ea501be4c5e3c3ee895093b305b5787;hb=b47b45887dcd4c9bd7d0391a393809ef892a34ff;hp=a6a94ee16f64f34467563dcccdef6a640a75792d;hpb=a4befdc605bc253f258a99e9f0d037147775035e;p=fio.git

diff --git a/filesetup.c b/filesetup.c
index a6a94ee1..789f0ed2 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;
@@ -162,14 +159,8 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 		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;
 	}
 
@@ -201,9 +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;
 	}
 
@@ -256,14 +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;
 }
 
@@ -1597,7 +1588,8 @@ int add_file(struct thread_data *td, const char *fname, int numjob, int inc)
 	if (f->filetype == FIO_TYPE_FILE)
 		td->nr_normal_files++;
 
-	set_already_allocated(file_name);
+	if (td->o.numjobs > 1)
+		set_already_allocated(file_name);
 
 	if (inc)
 		td->o.nr_files++;
@@ -1852,3 +1844,32 @@ 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
+}