linux-kernel - Re: [PATCH 2/3] target: Add TARGET_SCF_LOOKUP_LUN_FROM_TAG support for ABORT

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Message-ID: <d02e081d-fa64-5544-d9a4-964580a30208@sandisk.com>
Date:   Fri, 9 Jun 2017 11:15:31 -0700
From:   Bart Van Assche <bart.vanassche@...disk.com>
To:     "Nicholas A. Bellinger" <nab@...ux-iscsi.org>
CC:     "target-devel@...r.kernel.org" <target-devel@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mchristi@...hat.com" <mchristi@...hat.com>,
        "himanshu.madhani@...ium.com" <himanshu.madhani@...ium.com>,
        "quinn.tran@...ium.com" <quinn.tran@...ium.com>,
        "hare@...e.com" <hare@...e.com>, "hch@....de" <hch@....de>
Subject: Re: [PATCH 2/3] target: Add TARGET_SCF_LOOKUP_LUN_FROM_TAG support
 for ABORT_TASK

On 06/08/17 22:52, Nicholas A. Bellinger wrote:
> Because qla2xxx doesn't reuse tags, it's not a problem since it's the
> only consumer of TARGET_SCF_LOOKUP_LUN_FROM_TAG.

Hello Nic,

Can you clarify this? Since all target drivers and also the target core
use a finite number of bits to represent tags, tags *will* be reused
sooner or later.

Bart.