On 23/11/15 22:24, Richard Weinberger wrote:
> On Fri, Nov 20, 2015 at 7:47 PM, Anton Ivanov
> wrote:
>> Hi list, hi Richard.
>>
>> Have you had time to review this one? I think it is not contentious - it
>> is something QEMU has been doing for a very long time now. It also gives
>> a measurable s
On Fri, Nov 20, 2015 at 7:47 PM, Anton Ivanov
wrote:
> Hi list, hi Richard.
>
> Have you had time to review this one? I think it is not contentious - it
> is something QEMU has been doing for a very long time now. It also gives
> a measurable speed up, especially for random IO.
>
> I am going to h
Hi list, hi Richard.
Have you had time to review this one? I think it is not contentious - it
is something QEMU has been doing for a very long time now. It also gives
a measurable speed up, especially for random IO.
I am going to hold off on the rest of the ubd patches because they bulk
up the
I am going to send in a couple of more which bulk-up the transactions
(this forms most of the improvement) later this week.
This one is obvious - qemu has been using it for ages.
A.
On 08/11/15 15:20, Anton Ivanov wrote:
> This decreases the number of syscalls per read/write by half.
>
> Signed
This decreases the number of syscalls per read/write by half.
Signed-off-by: Anton Ivanov
---
arch/um/drivers/ubd_kern.c | 27 +--
arch/um/include/shared/os.h | 2 ++
arch/um/os-Linux/file.c | 19 +++
3 files changed, 26 insertions(+), 22 deletions(-