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Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes and ->ata_*put_data methods
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From:
Roman Zippel <zippel@...>
To: Alan Cox <alan@...>
Cc: Geert Uytterhoeven <geert@...>, Bartlomiej Zolnierkiewicz <bzolnier@...>, <linux-ide@...>, Linux Kernel Development <linux-kernel@...>, Linux/m68k <linux-m68k@...>, Michael Schmitz <schmitz@...>
Subject:
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes and ->ata_*put_data methods
Date: Monday, March 31, 2008 - 5:41 pm
Hi, On Monday 31. March 2008, Alan Cox wrote:
quoted text
> > Yes, the data on the disk is stored byte-swapped. > > So it's only the drive ID and packet commands that should be swapped. > > If you are storing the data on disk byte swapped then reverse the logic > in the driver so you don't need hacks for un-swapping commands and write > a bytesewap device mapper layer in the right place. Then you can even > move disks around.
That would require an additional data copy and a double byteswap on machines which are not that fast in first place... bye, Roman --
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Messages in current thread:
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes ...
, Roman Zippel
, (Mon Mar 31, 5:41 pm)
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes ...
, Alan Cox
, (Mon Mar 31, 5:43 pm)
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes ...
, Michael Schmitz
, (Mon Mar 31, 11:20 pm)
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes ...
, Alan Cox
, (Tue Apr 1, 4:12 am)
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes ...
, Mikael Pettersson
, (Tue Apr 1, 4:32 am)
Re: [PATCH 5/5] falconide/q40ide: add ->atapi_*put_bytes ...
, Roman Zippel
, (Mon Mar 31, 6:02 pm)
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