return 1;
}
+static int char_size(struct thread_data *td, struct fio_file *f)
+{
+#ifdef FIO_HAVE_CHARDEV_SIZE
+ unsigned long long bytes;
+ int r;
+
+ if (td->io_ops->open_file(td, f)) {
+ log_err("fio: failed opening blockdev %s for size check\n",
+ f->file_name);
+ return 1;
+ }
+
+ r = chardev_size(f->fd, &bytes);
+ if (r) {
+ td_verror(td, r, "chardev_size");
+ goto err;
+ }
+
+ if (!bytes) {
+ log_err("%s: zero sized char device?\n", f->file_name);
+ goto err;
+ }
+
+ f->real_file_size = bytes;
+ td->io_ops->close_file(td, f);
+ return 0;
+err:
+ td->io_ops->close_file(td, f);
+ return 1;
+#else
+ f->real_file_size = -1ULL;
+ return 0;
+#endif
+}
+
static int get_file_size(struct thread_data *td, struct fio_file *f)
{
int ret = 0;
ret = file_size(td, f);
else if (f->filetype == FIO_TYPE_BD)
ret = bdev_size(td, f);
+ else if (f->filetype == FIO_TYPE_CHAR)
+ ret = char_size(td, f);
else
f->real_file_size = -1;
struct stat sb;
char buf[256];
- if (f->filetype == FIO_TYPE_BD) {
- ret += f->real_file_size;
+ if (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_CHAR) {
+ if (f->real_file_size != -1ULL)
+ ret += f->real_file_size;
continue;
} else if (f->filetype != FIO_TYPE_FILE)
continue;
#define FIO_HAVE_POSIXAIO
#define FIO_HAVE_ODIRECT
#define FIO_USE_GENERIC_RAND
+#define FIO_HAVE_CHARDEV_SIZE
#define OS_MAP_ANON MAP_ANON
return errno;
}
+static inline int chardev_size(int fd, unsigned long long *bytes)
+{
+ return blockdev_size(fd, bytes);
+}
+
static inline int blockdev_invalidate_cache(int fd)
{
return EINVAL;