linux-kernel - Re: [PATCH] Use ida_simple for SCSI iSCSI transport session id

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Message-ID: <20160308172108.zkw32e5uzoau7oth@straylight.hirudinean.org>
Date:	Tue, 8 Mar 2016 09:21:08 -0800
From:	Chris Leech <cleech@...hat.com>
To:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	open-iscsi@...glegroups.com, Lee Duncan <lduncan@...e.com>
Subject: Re: [PATCH] Use ida_simple for SCSI iSCSI transport session id

On Fri, Feb 12, 2016 at 09:38:53AM -0800, Lee Duncan wrote:
> The scsi_transport_iscsi module already uses the ida_simple
> routines for managing the target ID, if requested to do
> so. This change replaces an ever-increasing atomic integer
> that tracks the session ID itself with the ida_simple
> family of routines. This means that the session ID
> will be reclaimed and can be reused when the session
> is freed.
> 
> Note that no maximum is placed on this value, though
> user-space currently only seems to use the lower 24-bits.
> It seems better to handle this in user space, though,
> than to limit the value range for the session ID here.
> 
> Signed-off-by: Lee Duncan <lduncan@...e.com>

Acked-by: Chris Leech <cleech@...hat.com>