linux-kernel - Re: [PATCH] tcmu: Skip Data-Out blocks before gathering Data-In buffer for BIDI case

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Message-ID: <20170331204622.pjlvgb5xchboejhz@iliastsi-m.arr>
Date:   Fri, 31 Mar 2017 23:46:22 +0300
From:   Ilias Tsitsimpis <iliastsi@...ikto.com>
To:     lixiubo@...s.chinamobile.com
Cc:     nab@...ux-iscsi.org, mchristi@...hat.com, agrover@...hat.com,
        namei.unix@...il.com, sheng@...ker.org, linux-scsi@...r.kernel.org,
        target-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tcmu: Skip Data-Out blocks before gathering Data-In
 buffer for BIDI case

Hi Xiubo,

On Fri, Mar 31, 2017 at 10:35AM, lixiubo@...s.chinamobile.com wrote:
> From: Xiubo Li <lixiubo@...s.chinamobile.com>
> 
> For the bidirectional case, the Data-Out buffer blocks will always at
> the head of the tcmu_cmd's bitmap, and before gathering the Data-In
> buffer, first of all it should skip the Data-Out ones, or the device
> supporting BIDI commands won't work.
> 
> Fixed: 26418649eead ("target/user: Introduce data_bitmap, replace
> 		data_length/data_head/data_tail")
> Reported-by: Ilias Tsitsimpis <iliastsi@...ikto.com>
> Signed-off-by: Xiubo Li <lixiubo@...s.chinamobile.com>

Thanks for taking care of this.

Tested-by: Ilias Tsitsimpis <iliastsi@...ikto.com>

Best,

-- 
Ilias