On Wed, Jul 08, 2020 at 06:56:53PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> 07.07.2020 19:10, Stefan Hajnoczi wrote:
> > On Sat, Jun 20, 2020 at 05:36:46PM +0300, Vladimir Sementsov-Ogievskiy
> > wrote:
> > > +int coroutine_fn bdrv_co_pwrite_zeroes_locked(BdrvChild *child, int64_t
> > > offse
07.07.2020 19:10, Stefan Hajnoczi wrote:
On Sat, Jun 20, 2020 at 05:36:46PM +0300, Vladimir Sementsov-Ogievskiy wrote:
@@ -83,6 +84,12 @@ typedef struct BdrvTrackedRequest {
CoQueue wait_queue; /* coroutines blocked on this request */
struct BdrvTrackedRequest *waiting_for;
+
+
On Sat, Jun 20, 2020 at 05:36:46PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> @@ -83,6 +84,12 @@ typedef struct BdrvTrackedRequest {
> CoQueue wait_queue; /* coroutines blocked on this request */
>
> struct BdrvTrackedRequest *waiting_for;
> +
> +/*
> + * If non-zero, the requ
Introduce an interface to make a "critical section" on top of
serialising requests feature. This is needed to avoid intersecting with
other requests during a set of operations. Will be used in a next
commit to implement preallocate filter.
To keep assertions during intersecting requests handling,
