From: Vincent Fu <vincent.fu@samsung.com>
Date: Fri, 19 Jan 2024 17:30:57 +0000 (+0000)
Subject: filesetup: clear O_RDWR flag for verify_only write workloads
X-Git-Tag: fio-3.37~66
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8b3190c3ea38af87778a68c576947f8797215d33;p=fio.git

filesetup: clear O_RDWR flag for verify_only write workloads

If verify_only is set we don't need to open the file with the O_RDWR
flagi for write workloads. So we should clear this flag. This will help
when the file is on a read-only file system.

Fixes: https://github.com/axboe/fio/issues/1681
Signed-off-by: Vincent Fu <vincent.fu@samsung.com>
---

diff --git a/filesetup.c b/filesetup.c
index 816d1081..2d277a64 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -749,6 +749,11 @@ open_again:
 		if (!read_only)
 			flags |= O_RDWR;
 
+		if (td->o.verify_only) {
+			flags &= ~O_RDWR;
+			flags |= O_RDONLY;
+		}
+
 		if (f->filetype == FIO_TYPE_FILE && td->o.allow_create)
 			flags |= O_CREAT;