Il 09/12/2013 13:58, Kevin Wolf ha scritto:
> How is BlockLimits supposed with respect to inheritance of values
> through the BDS tree?
I think right now the accessor wrappers for the various BlockLimits
field sort that out. Of course this could be slow if the accessors end
up in the fast path (b
Am 06.12.2013 um 18:53 hat Paolo Bonzini geschrieben:
> Il 06/12/2013 18:22, Kevin Wolf ha scritto:
> > @@ -1227,6 +1288,7 @@ static BlockDriver bdrv_file = {
> > .bdrv_aio_writev = raw_aio_writev,
> > .bdrv_aio_flush = raw_aio_flush,
> > .bdrv_aio_discard = raw_aio_discard,
> > +
Il 06/12/2013 18:22, Kevin Wolf ha scritto:
> @@ -1227,6 +1288,7 @@ static BlockDriver bdrv_file = {
> .bdrv_aio_writev = raw_aio_writev,
> .bdrv_aio_flush = raw_aio_flush,
> .bdrv_aio_discard = raw_aio_discard,
> +.bdrv_opt_mem_align = raw_opt_mem_align,
>
> .bdrv_truncat
From: Paolo Bonzini
Add a bs->request_alignment field that contains the required
offset/length alignment for I/O requests and fill it in the raw block
drivers. Use ioctls if possible, else see what alignment it takes for
O_DIRECT to succeed.
While at it, also expose the memory alignment requirem
