Re: [Qemu-devel] [PATCH v3 18/29] block: Make overlap range for serialisation dynamic

2014-01-22 Thread Benoît Canet
Le Friday 17 Jan 2014 à 15:15:08 (+0100), Kevin Wolf a écrit : > 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 touchin

[Qemu-devel] [PATCH v3 18/29] block: Make overlap range for serialisation dynamic

2014-01-17 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 Rev