linux-kernel - [PATCH 1/2] lightnvm: fail fast on passthrough commands

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Message-Id: <1507296385-6045-2-git-send-email-javier@cnexlabs.com>
Date:   Fri,  6 Oct 2017 15:26:24 +0200
From:   "Javier González" <jg@...htnvm.io>
To:     mb@...htnvm.io
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Javier González <javier@...xlabs.com>
Subject: [PATCH 1/2] lightnvm: fail fast on passthrough commands

Make LightNVM passhtrough commands fail fast. User space will then take
care of re-submitting.

Fixes: 84d4add793c6 ('lightnvm: add ioctls for vector I/Os')
Signed-off-by: Javier González <javier@...xlabs.com>
---
 drivers/nvme/host/lightnvm.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 1f79e3f141e6..6017153c2439 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -600,8 +600,6 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q,
 
 	rq->timeout = timeout ? timeout : ADMIN_TIMEOUT;
 
-	rq->cmd_flags &= ~REQ_FAILFAST_DRIVER;
-
 	if (ppa_buf && ppa_len) {
 		ppa_list = dma_pool_alloc(dev->dma_pool, GFP_KERNEL, &ppa_dma);
 		if (!ppa_list) {
-- 
2.7.4