linux-kernel - [PATCH 5/5] scsi: run queue after set host state from blocked to running

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Date:   Sat, 25 Mar 2023 09:17:34 +0800
From:   Ye Bin <yebin@...weicloud.com>
To:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ye Bin <yebin10@...wei.com>
Subject: [PATCH 5/5] scsi: run queue after set host state from blocked to running

From: Ye Bin <yebin10@...wei.com>

As when host is blocked, all request is blocked. After set the host
state with running, e will need to ensure that these requests are
started.

Signed-off-by: Ye Bin <yebin10@...wei.com>
---
 drivers/scsi/scsi_sysfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 42c5936c7711..202d58f4f267 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -229,6 +229,9 @@ store_shost_state(struct device *dev, struct device_attribute *attr,
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 
+	if (old_state == SHOST_BLOCKED && state == SHOST_RUNNING)
+		scsi_run_host_queues(shost);
+
 	return count;
 }
 
-- 
2.31.1