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SubjectRe: [PATCH v2 4/5] [SCSI] ufshcd: SCSI error handling
On Sun, Feb 26, 2012 at 10:16 AM, Hillf Danton <dhillf@gmail.com> wrote:
> On Fri, Feb 24, 2012 at 3:19 PM, Santosh Y <santoshsy@gmail.com> wrote:
>> +/**
>> + * ufshcd_is_tmq_full - checks if the task management slots are full
>> + * @hba: per adapter instance
>> + *
>> + * Returns maximum number of task management request slots in case of
>> + * task management queue full or returns the free slot number
>> + */
>> +static inline int ufshcd_is_tmq_full(struct ufs_hba *hba)
>
> This helper function is named to be misleading, little to do with
> its functionality as full is checked at callsite.

ok, thanks, I'll change it.

>
> -hd
>
>> +{
>> +       return find_first_zero_bit(&hba->outstanding_tasks, hba->nutmrs);
>> +}
>> +
> [...]
>> +       host = hba->host;
>> +
>> +       spin_lock_irqsave(host->host_lock, flags);
>> +
>> +       /* If task management queue is full */
>> +       free_slot = ufshcd_is_tmq_full(hba);
>> +       if (free_slot >= hba->nutmrs) {
>> +               spin_unlock_irqrestore(host->host_lock, flags);
>> +               dev_err(&hba->pdev->dev, "Task management queue full\n");
>> +               err = FAILED;
>> +               goto out;
>> +       }

--
~Santosh
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