From 2419fed568692e114b277576007f0c1de05d77a5 Mon Sep 17 00:00:00 2001
From: Krishna Kanth Reddy <krish.reddy@samsung.com>
Date: Fri, 3 Jun 2022 18:28:42 +0530
Subject: [PATCH] bdev/uring: Unset write_cache

Unset the write_cache as the uring bdev does not support Flush I/O.

Signed-off-by: Krishna Kanth Reddy <krish.reddy@samsung.com>
Change-Id: I8e6fce26b12176a7c77c40a1c9102be5cb72e358
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12900
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 module/bdev/uring/bdev_uring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/bdev/uring/bdev_uring.c b/module/bdev/uring/bdev_uring.c
index 0257b5149..3512e01b5 100644
--- a/module/bdev/uring/bdev_uring.c
+++ b/module/bdev/uring/bdev_uring.c
@@ -764,7 +764,7 @@ create_uring_bdev(const char *name, const char *filename, uint32_t block_size)
 	uring->bdev.product_name = "URING bdev";
 	uring->bdev.module = &uring_if;
 
-	uring->bdev.write_cache = 1;
+	uring->bdev.write_cache = 0;
 
 	detected_block_size = spdk_fd_get_blocklen(uring->fd);
 	if (block_size == 0) {