linux-kernel - Re: [PATCH] scsi: ufs: mcq: Limit the amount of inflight requests

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Message-ID: <075597d5-86df-84df-039a-50d1c6b8ebd4@wdc.com>
Date:   Thu, 30 Mar 2023 14:06:41 +0000
From:   Johannes Thumshirn <Johannes.Thumshirn@....com>
To:     Avri Altman <Avri.Altman@....com>,
        "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>
CC:     Asutosh Das <quic_asutoshd@...cinc.com>,
        "quic_cang@...cinc.com" <quic_cang@...cinc.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: mcq: Limit the amount of inflight requests

On 30.03.23 15:11, Avri Altman wrote:
> +	if (WARN_ONCE(hba->nutrs * hba->nr_hw_queues > (1 << 16) - 1,
> +		     "there can be at most 1<<16 inflight requests\n"))
> +		goto err;

Hmm why not SZ_64K - 1?