[U-Boot] [PATCH V5 2/2] ext4fs write support

[Wolfgang Denk]

Dear Uma Shankar,

In message <20120809215050.89DE220401A at gemini.denx.de> I wrote:
> 
> Applied to "ext4" branch, thanks.

I did some performance tests on a MPC5200 based board using the IDE
interface (no DMA):

=> vers

U-Boot 2012.07-00125-ged34f34 (Aug 10 2012 - 09:36:33)
powerpc-linux-gcc (GCC) 4.6.4 20120303 (prerelease)
GNU ld (GNU Binutils) 2.22
=> date ; ext2load ide 0:4 100000 usr-bin.tar 2000000 ; date
Date: 2012-08-10 (Saturday)    Time: 16:27:21
Loading file "usr-bin.tar" from ide device 0:4 hda4
33554432 bytes read
Date: 2012-08-10 (Saturday)    Time: 16:27:48

=================================================

27 seconds => 1.2 MiB/s

=> vers

U-Boot 2012.07 (Aug 02 2012 - 10:31:44)
powerpc-linux-gcc (GCC) 4.6.4 20120303 (prerelease)
GNU ld (GNU Binutils) 2.22
=> date ; ext2load ide 0:4 100000 usr-bin.tar 2000000 ; date
Date: 2012-08-10 (Saturday)    Time: 16:49:31
Loading file "usr-bin.tar" from ide device 0:4 (hda4)
33554432 bytes read
Date: 2012-08-10 (Saturday)    Time: 16:49:57

=================================================

26 seconds => 1.2 MiB/s


So within the accuracy of this measurement,the performance of the new
code compared to the old ext2 code appears to be pretty much the same.

Tested-by: Wolfgang Denk <wd at denx.de>

Best regards,

Wolfgang Denk

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