From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 29 Mar 2007 08:31:51 +0000 (+0200)
Subject: Only use posix_fallocate(), if we are overwriting
X-Git-Tag: fio-1.15.1~13
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e8be2ad711db813537a1f2a6a6939c42909ba5cc;p=fio.git

Only use posix_fallocate(), if we are overwriting

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

diff --git a/filesetup.c b/filesetup.c
index 161f63e7..e9dc72db 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -47,14 +47,14 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 		goto err;
 	}
 
+	if (!new_layout)
+		goto done;
+
 	if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) {
 		td_verror(td, errno, "posix_fallocate");
 		goto err;
 	}
 
-	if (!new_layout)
-		goto done;
-
 	b = malloc(td->o.max_bs[DDIR_WRITE]);
 	memset(b, 0, td->o.max_bs[DDIR_WRITE]);