Re: [Qemu-devel] [PATCH] [RFC] qcow2: group refcount updates during cow

2011-07-29 Thread Kevin Wolf
Am 28.07.2011 16:15, schrieb Kevin Wolf: > Am 28.07.2011 15:50, schrieb Frediano Ziglio: >> Well, I think this is the first real improve patch. >> Is more a RFC than a patch. Yes, some lines are terrible! >> It collapses refcount decrement during cow. >> From a first check time executing 015 test p

Re: [Qemu-devel] [PATCH] [RFC] qcow2: group refcount updates during cow

2011-07-28 Thread Kevin Wolf
Am 28.07.2011 15:50, schrieb Frediano Ziglio: > Well, I think this is the first real improve patch. > Is more a RFC than a patch. Yes, some lines are terrible! > It collapses refcount decrement during cow. > From a first check time executing 015 test passed from about 600 seconds > to 70. > This at

[Qemu-devel] [PATCH] [RFC] qcow2: group refcount updates during cow

2011-07-28 Thread Frediano Ziglio
Well, I think this is the first real improve patch. Is more a RFC than a patch. Yes, some lines are terrible! It collapses refcount decrement during cow. >From a first check time executing 015 test passed from about 600 seconds to 70. This at least prove that refcount updates counts! Some doubt: 1-