From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Tue, 17 Feb 2015 15:39:32 -0700
Subject: [U-Boot] [PATCH v2 0/8] arm: a few steps to reduce the boot time
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References: <1424099601-14979-1-git-send-email-p.marczak@samsung.com>
 <54E3B600.60009@wwwdotorg.org>
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On 02/17/2015 02:43 PM, Stephen Warren wrote:
> On 02/16/2015 08:13 AM, Przemyslaw Marczak wrote:
>> This patchset reduces the boot time for ARM architecture,
>> Exynos boards, and boards with DFU enabled.
>
> I tested this series on NVIDIA's Jetson TK1 board. It doesn't seem to
> introduce any new issues, but I did find a couple have crept in recently:
>
> I'm running the following in U-Boot:
>
> setenv dfu_alt_info "/dfu_test.bin ext4 0 1;/dfudummy.bin ext4 0 1"
> dfu 0 mmc 0
>
> 1)
>
> Whenever any file is uploaded through DFU, I see:
>
> #File System is consistent
> file found deleting
> update journal finished
> File System is consistent
> update journal finished
> 18425346722729591336 bytes written in 4070 ms (3.9 EiB/s)
>
> Notice that the byte count is way off (that's from a 4KB file). The byte
> count is always the same invalid number. I'm not sure if this message
> comes from the ext4 or DFU code.

For the record in this thread, this is fixed by:
[PATCH] fs: ext4 write: return file len on success