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To: Ruediger Meier <sweet_f_a@gmx.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
        Karel Zak <kzak@redhat.com>, util-linux@vger.kernel.org,
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        Douglas Gilbert <dgilbert@interlog.com>
Subject: Re: scsi_debug, iosize optimal < minimum
From: "Martin K. Petersen" <martin.petersen@oracle.com>
References: <201601291131.29201.sweet_f_a@gmx.de>
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Date: Wed, 03 Feb 2016 17:02:19 -0500
In-Reply-To: <201602032255.44508.sweet_f_a@gmx.de> (Ruediger Meier's message
	of "Wed, 3 Feb 2016 22:55:44 +0100")
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>>>>> "Ruediger" == Ruediger Meier <sweet_f_a@gmx.de> writes:

Ruediger> In past (kernel<=4.1) optimal_io_size io size was 32768. Is
Ruediger> this really correct now?

We recently bumped the scsi_debug optimal I/O size to something akin to
what real-world storage reports.

-- 
Martin K. Petersen	Oracle Linux Engineering