Re: [Bug-ddrescue] Feature request: --direct for output file in fill mode

[Antonio Diaz Diaz]

Christian Franke wrote:
> when using --fill=- to force reallocation of bad disk blocks, write 
> behind buffering should be disabled.
>
> Therefore, it would make sense to allow "-d, --direct" in fill mode. It 
> should set O_DIRECT for the output file in this case.

I think buffered write is not a problem if followed by a call to fsync, 
as ddrescue does.

OTOH, Linus hates O_DIRECT for writing 
http://lkml.org/lkml/2007/1/11/129 , and I suppose he knows more about 
it than me.


Regards,
Antonio.