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[PATCH] Add support for the read/write interface of SG v3
[fio.git]
/
fio.c
diff --git
a/fio.c
b/fio.c
index 2fb7da9b76c22190e09e39efacd266572b29f63a..5c45cae7f64103e0a8e30b16d7f704a2680f45e8 100644
(file)
--- a/
fio.c
+++ b/
fio.c
@@
-1235,12
+1235,14
@@
static int bdev_size(struct thread_data *td)
static int get_file_size(struct thread_data *td)
{
static int get_file_size(struct thread_data *td)
{
- int ret;
+ int ret
= 0
;
if (td->filetype == FIO_TYPE_FILE)
ret = file_size(td);
if (td->filetype == FIO_TYPE_FILE)
ret = file_size(td);
- else
+ else
if (td->filetype == FIO_TYPE_BD)
ret = bdev_size(td);
ret = bdev_size(td);
+ else
+ td->real_file_size = -1;
if (ret)
return ret;
if (ret)
return ret;
@@
-1356,9
+1358,14
@@
static int setup_file(struct thread_data *td)
if (td->odirect)
flags |= O_DIRECT;
if (td->odirect)
flags |= O_DIRECT;
- if (td_read(td))
- td->fd = open(td->file_name, flags | O_RDONLY);
- else {
+ if (td_read(td)) {
+ if (td->filetype == FIO_TYPE_CHAR)
+ flags |= O_RDWR;
+ else
+ flags |= O_RDONLY;
+
+ td->fd = open(td->file_name, flags);
+ } else {
if (td->filetype == FIO_TYPE_FILE) {
if (!td->overwrite)
flags |= O_TRUNC;
if (td->filetype == FIO_TYPE_FILE) {
if (!td->overwrite)
flags |= O_TRUNC;
@@
-1599,17
+1606,23
@@
static void init_disk_util(struct thread_data *td)
return;
/*
return;
/*
- *
if this is inside a partition dir, jump back to parent
+ *
for md/dm, there's no queue dir. we already have the right place
*/
*/
- sprintf(tmp, "%s/
queue
", foo);
+ sprintf(tmp, "%s/
stat
", foo);
if (stat(tmp, &st)) {
if (stat(tmp, &st)) {
- p = dirname(foo);
- sprintf(tmp, "%s/queue", p);
+ /*
+ * if this is inside a partition dir, jump back to parent
+ */
+ sprintf(tmp, "%s/queue", foo);
if (stat(tmp, &st)) {
if (stat(tmp, &st)) {
- fprintf(stderr, "unknown sysfs layout\n");
- return;
+ p = dirname(foo);
+ sprintf(tmp, "%s/queue", p);
+ if (stat(tmp, &st)) {
+ fprintf(stderr, "unknown sysfs layout\n");
+ return;
+ }
+ sprintf(foo, "%s", p);
}
}
- sprintf(foo, "%s", p);
}
disk_util_add(dev, foo);
}
disk_util_add(dev, foo);