Re: [Qemu-devel] [PATCH v2 18/24] block: Make overlap range for serialisation dynamic

2014-01-11 Thread Max Reitz
On 13.12.2013 14:22, Kevin Wolf wrote: Copy on Read wants to serialise with all requests touching the same cluster, so wait_serialising_requests() rounded to cluster boundaries. Other users like alignment RMW will have different requirements, though (requests touching the same sector), so make it

[Qemu-devel] [PATCH v2 18/24] block: Make overlap range for serialisation dynamic

2013-12-13 Thread Kevin Wolf
Copy on Read wants to serialise with all requests touching the same cluster, so wait_serialising_requests() rounded to cluster boundaries. Other users like alignment RMW will have different requirements, though (requests touching the same sector), so make it dynamic. Signed-off-by: Kevin Wolf ---