From: Per Forlin <per.forlin@linaro.org>
To: Shawn Guo <shawn.guo@freescale.com>
Cc: linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org,
Chris Ball <cjb@laptop.org>
Subject: Re: [PATCH v2 03/12] mmc: mmc_test: add test for none blocking transfers
Date: Wed, 20 Apr 2011 09:41:32 +0200 [thread overview]
Message-ID: <BANLkTikhaCqW=4BD_h05QebBftVGjGQ3+w@mail.gmail.com> (raw)
In-Reply-To: <20110417154622.GC17935@S2100-06.ap.freescale.net>
On 17 April 2011 17:46, Shawn Guo <shawn.guo@freescale.com> wrote:
> On Wed, Apr 06, 2011 at 09:07:04PM +0200, Per Forlin wrote:
> [...]
>> +static int mmc_test_rw_multiple(struct mmc_test_card *test,
>> + struct mmc_test_multiple_rw *tdata,
>> + unsigned int reqsize, unsigned int size)
>> +{
>> + unsigned int dev_addr;
>> + struct mmc_test_area *t = &test->area;
>> + int ret = 0;
>> + int max_reqsize = max(t->mem->size_min_cmn *
>> + min(t->max_segs, t->mem->cnt), t->max_tfr);
>> +
> The 'max(..., t->max_tfr)' probably should be 'min(..., t->max_tfr)'.
> Otherwise, I see mmc_test failure on my mxs-mmc setup.
>
> mmc0: Test case 37. Write performance with blocking req 4k to 4MB...
> mmc0: Transfer of 64 x 2048 sectors (64 x 1024 KiB) took 5.412563314 seconds (12
> 398 kB/s, 12108 KiB/s, 11.82 IOPS)
> mmc0: Failed to map sg list
> [mmc_test_rw_multiple] error
> mmc0: Result: ERROR (-22)
Thanks for letting me know. I think I should simplify it and use
t->max_tfr only.
I tried to optimize for one of my case when max_tfr is only 1MiB but
mmc request size is 32MiB.
>
> --
> Regards,
> Shawn
Regards,
Per
next prev parent reply other threads:[~2011-04-20 7:41 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-06 19:07 [PATCH v2 00/12] mmc: use nonblock mmc requests to minimize latency Per Forlin
2011-04-06 19:07 ` [PATCH v2 01/12] mmc: add none blocking mmc request function Per Forlin
2011-04-15 10:34 ` David Vrabel
2011-04-20 7:17 ` Per Forlin
2011-04-26 13:29 ` David Vrabel
2011-04-26 14:22 ` Per Forlin
2011-04-06 19:07 ` [PATCH v2 02/12] mmc: mmc_test: add debugfs file to list all tests Per Forlin
2011-04-06 19:07 ` [PATCH v2 03/12] mmc: mmc_test: add test for none blocking transfers Per Forlin
2011-04-17 7:09 ` Lin Tony-B19295
2011-04-20 7:30 ` Per Forlin
2011-04-17 15:46 ` Shawn Guo
2011-04-20 7:41 ` Per Forlin [this message]
2011-04-06 19:07 ` [PATCH v2 04/12] mmc: add member in mmc queue struct to hold request data Per Forlin
2011-04-06 19:07 ` [PATCH v2 05/12] mmc: add a block request prepare function Per Forlin
2011-04-06 19:07 ` [PATCH v2 06/12] mmc: move error code in mmc_block_issue_rw_rq to a separate function Per Forlin
2011-04-06 19:07 ` [PATCH v2 07/12] mmc: add a second mmc queue request member Per Forlin
2011-04-06 19:07 ` [PATCH v2 08/12] mmc: add handling for two parallel block requests in issue_rw_rq Per Forlin
2011-04-20 11:32 ` Per Forlin
2011-04-06 19:07 ` [PATCH v2 09/12] mmc: test: add random fault injection in core.c Per Forlin
2011-04-06 19:07 ` [PATCH v2 10/12] omap_hsmmc: use original sg_len for dma_unmap_sg Per Forlin
2011-04-06 19:07 ` [PATCH v2 11/12] omap_hsmmc: add support for pre_req and post_req Per Forlin
2011-04-06 19:07 ` [PATCH v2 12/12] mmci: implement pre_req() and post_req() Per Forlin
2011-04-08 16:49 ` [PATCH v2 00/12] mmc: use nonblock mmc requests to minimize latency Linus Walleij
2011-04-09 11:55 ` Jae hoon Chung
[not found] ` <BANLkTikwCveocjPdoMoLEVpNneKkq66s4g@mail.gmail.com>
2011-04-11 9:03 ` Per Forlin
2011-04-11 9:08 ` Per Forlin
2011-04-19 14:30 ` Jae hoon Chung
2011-04-16 15:48 ` Shawn Guo
2011-04-20 8:19 ` Per Forlin
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