Add file reference counting

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index f6e997438c885e7d70aa07b36c212c8c39aa917e..f3fccdbed483f1849698fb917fd08db95784e3a5 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -445,3 +445,23 @@ void add_file(struct thread_data *td, const char *fname)
        td->open_files++;
        td->nr_uniq_files = td->open_files;
 }
+
+void get_file(struct fio_file *f)
+{
+       f->references++;
+}
+
+void put_file(struct thread_data *td, struct fio_file *f)
+{
+       if (!(f->flags & FIO_FILE_OPEN))
+               return;
+
+       assert(f->references);
+       if (--f->references)
+               return;
+
+       if (td->io_ops->close_file)
+               td->io_ops->close_file(td, f);
+       td->nr_open_files--;
+       f->flags &= ~FIO_FILE_OPEN;
+}