From: Jens Axboe <jens.axboe@oracle.com>
Date: Sun, 14 Jan 2007 04:56:44 +0000 (+0100)
Subject: [PATCH] Unlink write file if !overwrite and it exists
X-Git-Tag: fio-1.12~145
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=eff6861d99c1e20ef24d5ab9eef1ac0bbfa655d3;p=fio.git

[PATCH] Unlink write file if !overwrite and it exists

Repeatability across runs, unlink the file so that the job
runs like it wasn't there to begin with.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/filesetup.c b/filesetup.c
index 75288706..2af6c2fc 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -103,9 +103,18 @@ static int create_files(struct thread_data *td)
 		return 0;
 
 	need_create = 0;
-	if (td->filetype == FIO_TYPE_FILE)
-		for_each_file(td, f, i)
-			need_create += file_ok(td, f);
+	if (td->filetype == FIO_TYPE_FILE) {
+		for_each_file(td, f, i) {
+			int file_there = !file_ok(td, f);
+
+			if (file_there && td->ddir == WRITE && !td->overwrite) {
+				unlink(f->file_name);
+				file_there = 0;
+			}
+
+			need_create += !file_there;
+		}
+	}
 
 	if (!need_create)
 		return 0;