linux-kernel - Re: [PATCH 1/1] scsi: arcmsr: Configure the default SCSI device command timeout value

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Message-ID: <yq18sbs7c83.fsf@ca-mkp.ca.oracle.com>
Date:   Mon, 26 Oct 2020 20:20:02 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     ching Huang <ching2048@...ca.com.tw>
Cc:     martin.petersen@...cle.com, James.Bottomley@...senPartnership.com,
        linux-scsi@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] scsi: arcmsr: Configure the default SCSI device
 command timeout value


Ching,

The following hunk doesn't appear to be related to the command timeout
changes:

> @@ -3156,10 +3162,12 @@ message_out:
>  
>  static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb)
>  {
> -	struct list_head *head = &acb->ccb_free_list;
> +	struct list_head *head;
>  	struct CommandControlBlock *ccb = NULL;
>  	unsigned long flags;
> +
>  	spin_lock_irqsave(&acb->ccblist_lock, flags);
> +	head = &acb->ccb_free_list;
>  	if (!list_empty(head)) {
>  		ccb = list_entry(head->next, struct CommandControlBlock, list);
>  		list_del_init(&ccb->list);

-- 
Martin K. Petersen	Oracle Linux Engineering