linux-kernel - Re: [PATCH UPDATED] block: In blk_execute_rq_nowait, init rq->end

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Message-ID: <4FD4DC26.5080902@acm.org>
Date:	Sun, 10 Jun 2012 17:40:54 +0000
From:	Bart Van Assche <bvanassche@....org>
To:	Muthu Kumar <muthu.lkml@...il.com>
CC:	Jens Axboe <axboe@...nel.dk>, Tejun Heo <tj@...nel.org>,
	Jej B <James.Bottomley@...senpartnership.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH UPDATED] block: In blk_execute_rq_nowait, init rq->end_io
 before checking for dead queue.

On 06/09/12 23:57, Muthu Kumar wrote:

> Locking change is the one you posted already (the link above). Anyway,
> I have the attached patch *including* the locking change. Original
> mail has attachment without locking change. Please use whatever you
> need.


While we are at it ... the rq->rq_disk and rq->end_io assignments can be
performed safely before the spinlock is taken, isn't it ?

Bart.
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