28.05.2021 14:01, Paolo Bonzini wrote:
On 28/05/21 12:24, Paolo Bonzini wrote:
It's still more complicated, because you need to add some kind of
method = s->method;
This would even have to be a separate, one-line critical section...
Hm, so, we should set .use_copy_range in task,
28.05.2021 14:01, Paolo Bonzini wrote:
On 28/05/21 12:24, Paolo Bonzini wrote:
It's still more complicated, because you need to add some kind of
method = s->method;
This would even have to be a separate, one-line critical section...
Or atomic operation.. What I don't like that all
On 28/05/21 12:24, Paolo Bonzini wrote:
It's still more complicated, because you need to add some kind of
method = s->method;
This would even have to be a separate, one-line critical section...
Paolo
ret = block_copy_do_copy(..., method);
if (ret < 0 && method <=
On 26/05/21 19:18, Vladimir Sementsov-Ogievskiy wrote:
It's actually the original idea of block_copy_do_copy() function: do
only simple copy, don't interact with the state. It's a kind of wrapper
on top of bdrv_co.
So, actually updating s->use_copy_range here was a bad idea.
It's still
26.05.2021 17:48, Paolo Bonzini wrote:
On 25/05/21 13:00, Vladimir Sementsov-Ogievskiy wrote:
Hmm. OK, let me think:
First look at block_copy_do_copy(). It's called only from block_copy_task_entry.
block_copy_task_entry() has mutex-critical-section anyway around handling return
value. That
On 25/05/21 13:00, Vladimir Sementsov-Ogievskiy wrote:
Hmm. OK, let me think:
First look at block_copy_do_copy(). It's called only from
block_copy_task_entry. block_copy_task_entry() has
mutex-critical-section anyway around handling return value. That means
that we can simply move s->method
25.05.2021 13:18, Emanuele Giuseppe Esposito wrote:
On 21/05/2021 19:10, Vladimir Sementsov-Ogievskiy wrote:
18.05.2021 13:07, Emanuele Giuseppe Esposito wrote:
With tasks and calls lock protecting all State fields,
.method is the last BlockCopyState field left unprotected.
Set it as atomic.
On 21/05/2021 19:10, Vladimir Sementsov-Ogievskiy wrote:
18.05.2021 13:07, Emanuele Giuseppe Esposito wrote:
With tasks and calls lock protecting all State fields,
.method is the last BlockCopyState field left unprotected.
Set it as atomic.
Signed-off-by: Emanuele Giuseppe Esposito
OK,
18.05.2021 13:07, Emanuele Giuseppe Esposito wrote:
With tasks and calls lock protecting all State fields,
.method is the last BlockCopyState field left unprotected.
Set it as atomic.
Signed-off-by: Emanuele Giuseppe Esposito
OK, in 06 some things are out of coroutine. Here could we just
