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Message-ID: <yq1tx6akpvb.fsf@sermon.lab.mkp.net> Date: Mon, 21 Jul 2014 23:56:56 -0400 From: "Martin K. Petersen" <martin.petersen@...cle.com> To: Christoph Hellwig <hch@....de> Cc: James Bottomley <James.Bottomley@...senPartnership.com>, linux-scsi@...r.kernel.org, Jens Axboe <axboe@...nel.dk>, Bart Van Assche <bvanassche@...ionio.com>, Mike Christie <michaelc@...wisc.edu>, "Martin K. Petersen" <martin.petersen@...cle.com>, Robert Elliott <Elliott@...com>, Webb Scales <webbnh@...com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 06/14] scsi: convert target_busy to an atomic_t >>>>> "Christoph" == Christoph Hellwig <hch@....de> writes: Christoph> Avoid taking the host-wide host_lock to check the per-target Christoph> queue limit. Instead we do an atomic_inc_return early on to Christoph> grab our slot in the queue, and if nessecary decrement it Minor nit: necessary Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com> -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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