Re: [Qemu-devel] [PATCH] honor IDE_DMA_BUF_SECTORS

[Avi Kivity]

Samuel Thibault wrote:
> Avi Kivity, le Thu 26 Mar 2009 14:10:20 +0200, a écrit :
>   
> > I realize your use case will probably not trigger this, but it does 
> > indicate you're limiting at the wrong layer.  It places the burden on 
> > all callers of block format drivers instead of centralizing it.
> >     
>
> Then it should be centralized in the block layer instead of placing the
> burden on all block format drivers ;)
>   

If other drivers need to do that, certainly.  However I expect that most 
drivers are interested in increasing dma sizes rather than decreasing them.

> One thing for instance that still have been overlooked although patches
> have been sent is block-raw-posix' read/write_pread_aligned() that
> consider partial read/writes as an error.  That's a bug.
>   

Right.  Unrelated topic though?

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