From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@infradead.org>,
James Bottomley <JBottomley@Parallels.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH 2/9] scsi: avoid taking host_lock in scsi_run_queue unless nessecary
Date: Fri, 21 Feb 2014 13:19:17 +0100 [thread overview]
Message-ID: <53074445.8030000@suse.de> (raw)
In-Reply-To: <20140220222356.899671950@bombadil.infradead.org>
On 02/20/2014 11:20 PM, Christoph Hellwig wrote:
> If we don't have starved devices we don't need to take the host lock
> to iterate over them. Also split the function up to be more clear.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
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Dr. Hannes Reinecke zSeries & Storage
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SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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next prev parent reply other threads:[~2014-02-21 12:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 22:20 [PATCH 0/9] I/O path micro-optimizations and per-command private data support Christoph Hellwig
2014-02-20 22:20 ` [PATCH 1/9] scsi: avoid useless free_list lock roundtrips Christoph Hellwig
2014-02-20 22:20 ` [PATCH 2/9] scsi: avoid taking host_lock in scsi_run_queue unless nessecary Christoph Hellwig
2014-02-21 12:19 ` Hannes Reinecke [this message]
2014-02-20 22:20 ` [PATCH 3/9] scsi: do not manipulate device reference counts in scsi_get/put_command Christoph Hellwig
2014-02-21 12:20 ` Hannes Reinecke
2014-02-20 22:20 ` [PATCH 4/9] scsi: remove a useless get/put_device pair in scsi_request_fn Christoph Hellwig
2014-02-20 22:20 ` [PATCH 5/9] scsi: remove a useless get/put_device pair in scsi_next_command Christoph Hellwig
2014-02-20 22:20 ` [PATCH 6/9] scsi: remove a useless get/put_device pair in scsi_requeue_command Christoph Hellwig
2014-02-20 22:20 ` [PATCH 7/9] megaraid: simplify internal command handling Christoph Hellwig
2014-02-20 22:21 ` [PATCH 8/9] scsi: simplify command allocation and freeing a bit Christoph Hellwig
2014-02-20 22:21 ` [PATCH 9/9] scsi: add support for per-host cmd pools Christoph Hellwig
2014-03-12 7:27 ` [PATCH 0/9] I/O path micro-optimizations and per-command private data support Christoph Hellwig
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