> Here is the easiest case to fix first :)
> simple DIO wrote more than asked for :(
>
> elm3b29:~ # /root/fsx-linux -N 10000 -o 128000 -r 2048 -w 4096 -Z -R -W
> jnk
> mapped writes DISABLED
> truncating to largest ever: 0x32740
> truncating to largest ever: 0x39212
> truncating to largest ever: 0x3bae9
> short write: 0x17000 bytes instead of 0x14000 <<<<<<
So the answer is that -rc1-mm1 doesn't quite have the most recent
version of this patch. Grab the final patch at the end of this post
from Andrew:
http://lkml.org/lkml/2006/10/11/234
It fixes up a misunderstanding that came from
generic_file_buffered_write()'s habit of adding its 'written' input into
the amount of bytes it announces having written in its return value.
>From mm-commits it looks like -mm2 will have the full patch.
- z
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