Re: [Qemu-devel] [RFC 3/6] block: wait for overlapping requests

2011-11-03 Thread Kevin Wolf
Am 17.10.2011 17:47, schrieb Stefan Hajnoczi: > When copy-on-read is enabled it is necessary to wait for overlapping > requests before issuing new requests. This prevents races between the > copy-on-read and a write request. > > Signed-off-by: Stefan Hajnoczi This doesn't only order guest reque

Re: [Qemu-devel] [RFC 3/6] block: wait for overlapping requests

2011-10-20 Thread Stefan Hajnoczi
On Tue, Oct 18, 2011 at 6:48 AM, Marcelo Tosatti wrote: > On Mon, Oct 17, 2011 at 04:47:29PM +0100, Stefan Hajnoczi wrote: >> When copy-on-read is enabled it is necessary to wait for overlapping >> requests before issuing new requests.  This prevents races between the >> copy-on-read and a write r

Re: [Qemu-devel] [RFC 3/6] block: wait for overlapping requests

2011-10-18 Thread Marcelo Tosatti
On Mon, Oct 17, 2011 at 04:47:29PM +0100, Stefan Hajnoczi wrote: > When copy-on-read is enabled it is necessary to wait for overlapping > requests before issuing new requests. This prevents races between the > copy-on-read and a write request. > > Signed-off-by: Stefan Hajnoczi > --- > block.c

[Qemu-devel] [RFC 3/6] block: wait for overlapping requests

2011-10-17 Thread Stefan Hajnoczi
When copy-on-read is enabled it is necessary to wait for overlapping requests before issuing new requests. This prevents races between the copy-on-read and a write request. Signed-off-by: Stefan Hajnoczi --- block.c | 39 +++ 1 files changed, 39 insertions(