Re: [Qemu-devel] [PATCH] qed: do not evict in-use L2 table cache entries

2012-03-05 Thread Stefan Hajnoczi
On Thu, Mar 1, 2012 at 4:58 PM, Kevin Wolf wrote: > Am 01.03.2012 17:22, schrieb Stefan Hajnoczi: >> On Thu, Mar 01, 2012 at 05:10:57PM +0100, Kevin Wolf wrote: >>> Am 27.02.2012 14:16, schrieb Stefan Hajnoczi: The L2 table cache reduces QED metadata reads that would be required when tra

Re: [Qemu-devel] [PATCH] qed: do not evict in-use L2 table cache entries

2012-03-01 Thread Kevin Wolf
Am 01.03.2012 17:22, schrieb Stefan Hajnoczi: > On Thu, Mar 01, 2012 at 05:10:57PM +0100, Kevin Wolf wrote: >> Am 27.02.2012 14:16, schrieb Stefan Hajnoczi: >>> The L2 table cache reduces QED metadata reads that would be required >>> when translating LBAs to offsets into the image file. Since requ

Re: [Qemu-devel] [PATCH] qed: do not evict in-use L2 table cache entries

2012-03-01 Thread Stefan Hajnoczi
On Thu, Mar 01, 2012 at 05:10:57PM +0100, Kevin Wolf wrote: > Am 27.02.2012 14:16, schrieb Stefan Hajnoczi: > > The L2 table cache reduces QED metadata reads that would be required > > when translating LBAs to offsets into the image file. Since requests > > execute in parallel it is possible to sh

Re: [Qemu-devel] [PATCH] qed: do not evict in-use L2 table cache entries

2012-03-01 Thread Kevin Wolf
Am 27.02.2012 14:16, schrieb Stefan Hajnoczi: > The L2 table cache reduces QED metadata reads that would be required > when translating LBAs to offsets into the image file. Since requests > execute in parallel it is possible to share an L2 table between multiple > requests. > > There is a potenti

Re: [Qemu-devel] [PATCH] qed: do not evict in-use L2 table cache entries

2012-03-01 Thread Benoît Canet
Tested-by: Benoît Canet On Mon, Feb 27, 2012 at 2:16 PM, Stefan Hajnoczi < stefa...@linux.vnet.ibm.com> wrote: > The L2 table cache reduces QED metadata reads that would be required > when translating LBAs to offsets into the image file. Since requests > execute in parallel it is possible to sh

Re: [Qemu-devel] [PATCH] qed: do not evict in-use L2 table cache entries

2012-03-01 Thread Stefan Hajnoczi
On Mon, Feb 27, 2012 at 1:16 PM, Stefan Hajnoczi wrote: > The L2 table cache reduces QED metadata reads that would be required > when translating LBAs to offsets into the image file.  Since requests > execute in parallel it is possible to share an L2 table between multiple > requests. > > There is