linux-kernel - Re: [PATCH] mtip32xx: Add SRSI support

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Message-ID: <52262CA4.2030902@kernel.dk>
Date:	Tue, 03 Sep 2013 12:38:28 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	David Milburn <dmilburn@...hat.com>
CC:	Asai Thambi S P <asamymuthupa@...ron.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sam Bradshaw <sbradshaw@...ron.com>
Subject: Re: [PATCH] mtip32xx: Add SRSI support

On 09/03/2013 12:38 PM, David Milburn wrote:
> Asai Thambi S P wrote:
>> This patch add support for SRSI(Surprise Removal Surprise Insertion).
>>
>> Approach:
>> ---------
>> Surprise Removal:
>> -----------------
>> On surprise removal of the device, gendisk, request queue, device
>> index, sysfs
>> entries, etc are retained as long as device is in use - mounted
>> filesystem,
>> device opened by an application, etc. The service thread breaks out of
>> the main
>> while loop, waits for pci remove to exit, and then waits for device to
>> become
>> free. When there no holders of the device, service thread cleans up
>> the block
>> and device related stuff and returns.
>>
>> Surprise Insertion:
>> -------------------
>> No change, this scenario follows the normal pci probe() function flow.
>>
>> Signed-off-by: Asai Thambi S P <asamymuthupa@...ron.com>
>> ---
>>  drivers/block/mtip32xx/mtip32xx.c |  453
>> ++++++++++++++++++++++---------------
>>  drivers/block/mtip32xx/mtip32xx.h |   18 +-
>>  2 files changed, 289 insertions(+), 182 deletions(-)
>>
> 
> Hi Jens,
> 
> Will you be considering this patch for 3.12?

Yep, it will go in this merge window.

-- 
Jens Axboe

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