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From: Christoph Hellwig <hch@infradead.org>
To: Matthew Wilcox <willy@linux.intel.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH 1/3] SCSI: Make cmd_serial_number an atomic
Date: Sat, 2 Apr 2011 09:36:43 -0400	[thread overview]
Message-ID: <20110402133643.GB18990@infradead.org> (raw)
In-Reply-To: <20110401202051.GL4183@linux.intel.com>

On Fri, Apr 01, 2011 at 04:20:51PM -0400, Matthew Wilcox wrote:
> 
> In preparation for moving some drivers out from under the host_lock,
> make cmd_serial_number an atomic.

The right fix is to stop abusing cmd_serial_nubmer in those few
drivers, and use a driver-private and more scalable lookup data
structure than a linear list search.

And yes, I promised to at least move cmd_serial_number into these
drivers long time ago - time to get back to that.


  reply	other threads:[~2011-04-02 13:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-01 20:20 [PATCH 1/3] SCSI: Make cmd_serial_number an atomic Matthew Wilcox
2011-04-02 13:36 ` Christoph Hellwig [this message]
2011-04-02 13:51   ` James Bottomley
2011-04-02 18:10   ` Jeff Garzik
2011-04-02 21:02   ` Matthew Wilcox
2011-04-03 11:00     ` Christoph Hellwig
2011-04-03 12:14       ` James Bottomley
2011-04-03 13:15       ` Matthew Wilcox
2011-04-03 13:33         ` Christoph Hellwig
2011-04-03 19:54           ` James Bottomley

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