From: Barak Pinhas <barak@e8storage.com>
Date: Tue, 5 Dec 2017 12:23:22 +0000 (+0200)
Subject: fix verify_only when using ioengine=mmap
X-Git-Tag: fio-3.4~36^2
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=81a1ee613fc6aea92bc2ca5500e8e7b5ba24cc8e

fix verify_only when using ioengine=mmap

verify_only was opening the file with O_RDONLY and the mmap
engine was trying to mmap it with PROT_READ | PROTWRITE hence
getting -EACCESS and failing the job
---

diff --git a/engines/mmap.c b/engines/mmap.c
index bc038f4f..51606e12 100644
--- a/engines/mmap.c
+++ b/engines/mmap.c
@@ -33,9 +33,9 @@ static int fio_mmap_file(struct thread_data *td, struct fio_file *f,
 	struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
 	int flags = 0;
 
-	if (td_rw(td))
+	if (td_rw(td) && !td->o.verify_only)
 		flags = PROT_READ | PROT_WRITE;
-	else if (td_write(td)) {
+	else if (td_write(td) && !td->o.verify_only) {
 		flags = PROT_WRITE;
 
 		if (td->o.verify != VERIFY_NONE)