Add 'unlink_each_loop' option

[fio.git] / backend.c

diff --git a/backend.c b/backend.c
index c3ad8312de67f13d48e5e67ee9ae117945ba9a22..58727114ab8fb86878bb73c1bc8c7293cc58d37b 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -571,6 +571,28 @@ static inline bool io_in_polling(struct thread_data *td)
        return !td->o.iodepth_batch_complete_min &&
                   !td->o.iodepth_batch_complete_max;
 }
+/*
+ * Unlinks files from thread data fio_file structure
+ */
+static int unlink_all_files(struct thread_data *td)
+{
+       struct fio_file *f;
+       unsigned int i;
+       int ret = 0;
+
+       for_each_file(td, f, i) {
+               if (f->filetype != FIO_TYPE_FILE)
+                       continue;
+               ret = td_io_unlink_file(td, f);
+               if (ret)
+                       break;
+       }
+
+       if (ret)
+               td_verror(td, ret, "unlink_all_files");
+
+       return ret;
+}
 
 /*
  * The main verify engine. Runs over the writes we previously submitted,
@@ -1667,9 +1689,13 @@ static void *thread_main(void *data)
                fio_gettime(&td->start, NULL);
                memcpy(&td->tv_cache, &td->start, sizeof(td->start));
 
-               if (clear_state)
+               if (clear_state) {
                        clear_io_state(td, 0);
 
+                       if (o->unlink_each_loop && unlink_all_files(td))
+                               break;
+               }
+
                prune_io_piece_log(td);
 
                if (td->o.verify_only && (td_write(td) || td_rw(td)))