From: Jens Axboe <jens.axboe@oracle.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Ramya Desai <ramya.desai@gmail.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
James Bottomley <James.Bottomley@suse.de>,
USB list <linux-usb@vger.kernel.org>,
SCSI development list <linux-scsi@vger.kernel.org>,
Greg KH <greg@kroah.com>
Subject: Re: Maximum data size in a single transfer for MS driver
Date: Wed, 24 Feb 2010 20:07:53 +0100 [thread overview]
Message-ID: <20100224190753.GF1025@kernel.dk> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1002241123220.2436-100000@iolanthe.rowland.org>
On Wed, Feb 24 2010, Alan Stern wrote:
> > However, this time, still my device
> > received 512 KB (1024) data transfer buffers in scsi_command.
>
> At this point everything was set up correctly. I don't know why the
> transfer lengths are still 512 KB. Maybe someone else has an idea.
What is the test case issuing the IO? Depending on the device, it may
hit other restrictions aside from just maximum transfer length.
--
Jens Axboe
next prev parent reply other threads:[~2010-02-24 19:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-17 12:37 Maximum data size in a single transfer for MS driver Ramya Desai
[not found] ` <3e7aae31002170437i52ba4ba1w10c1ff224d9b37ef-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-02-17 15:02 ` James Bottomley
2010-02-18 8:46 ` Ramya Desai
2010-02-18 15:47 ` James Bottomley
[not found] ` <1266508049.4355.37.camel-0iu6Cu4xQGLYCGPCin2YbQ@public.gmane.org>
2010-02-18 16:24 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1002181115120.1294-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2010-02-18 16:30 ` James Bottomley
[not found] ` <1266510627.4355.41.camel-0iu6Cu4xQGLYCGPCin2YbQ@public.gmane.org>
2010-02-18 16:51 ` Alan Stern
2010-02-19 12:43 ` Ramya Desai
2010-02-19 14:26 ` James Bottomley
2010-02-22 12:50 ` Ramya Desai
[not found] ` <3e7aae31002220450o6f83d2f3n45c795d70ef01f72-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-02-22 13:06 ` James Bottomley
2010-02-22 14:15 ` Ramya Desai
2010-02-22 17:44 ` Alan Stern
2010-02-22 18:07 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1002221232160.1251-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2010-02-23 15:29 ` Ramya Desai
2010-02-23 16:49 ` Alan Stern
2010-02-23 17:00 ` Martin K. Petersen
2010-02-23 18:01 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1002231253320.1308-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2010-02-24 13:07 ` Ramya Desai
2010-02-24 13:12 ` Jens Axboe
2010-02-24 16:30 ` Alan Stern
2010-02-24 19:07 ` Jens Axboe [this message]
2010-02-25 14:47 ` Ramya Desai
2010-02-25 14:44 ` Ramya Desai
2010-02-25 16:37 ` Alan Stern
2010-02-25 16:49 ` Martin K. Petersen
2010-02-25 16:53 ` Martin K. Petersen
2010-02-25 17:54 ` Jens Axboe
[not found] ` <yq1zl2xl0j3.fsf-+q57XtR/GgMb6DWv4sQWN6xOck334EZe@public.gmane.org>
2010-02-25 18:28 ` Alan Stern
2010-02-25 19:05 ` Martin K. Petersen
[not found] ` <yq1iq9lkueh.fsf-+q57XtR/GgMb6DWv4sQWN6xOck334EZe@public.gmane.org>
2010-02-25 19:47 ` Alan Stern
2010-02-26 3:37 ` Martin K. Petersen
[not found] ` <Pine.LNX.4.44L0.1002251132170.1686-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2010-02-25 17:52 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2010-02-25 16:59 scameron
2010-02-25 17:00 ` scameron
2010-02-25 17:18 ` scameron
2010-02-25 17:28 ` Martin K. Petersen
2010-02-25 17:41 ` Boaz Harrosh
2010-02-25 17:58 ` Martin K. Petersen
2010-02-25 19:07 ` Martin K. Petersen
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